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SONY CCU-TX7 SERVICE MANUAL

Table of Contents

Table of Contents

INSTALLATION

CONNECTORS AND CABLES oo

Connection Connector

Wiring Diagram for Cable oo

MAKING OF WF MODE CONNECTOR

OPERATING ENVIRONMENT ou

MOUNTING ON 19-INCH RACK uu

SERVICE INFORMATION

BOARD LAYOUT

Removal of Cabinet

Replacement of Switching Regulator

Replacement Of Fan oo

3-2-4, Removal Of COU-TX7 o

CIRCUIT DESCRIPTION . 0

board (DXBK-701)

EXTENSION OF DXBK-701 (SDI-44 BOARD)

ADJUSTMENT

Switch settings

Connections

VIDEO SIGNAL SYSTEM ADJUSTMENT

Sub-carrier Frequency Check .0

CAM H Phase Adjustment

H Phase Adjustment 20.02

SYNC Phase Adjustment 0

INT SC Phase Adjustment

Y CLAMP Adjustment ou

Y OUT (COMP) Level Adjustment 00.0.0

Y OUT (VBS) Level Adjustment

R-Y/B-Y White Black Balance Adjustment

R Level Adjustment

4-2-12. B Level Adjustment

4-2-13. WF OUT R/B DC OFFSET Adjustment

4-2-14. Carrier Balance Adjustment

Color Vector Adjustment .0

R-Y/B-Y OUT Level Adjustment 0.0

VBS OUT Level Adjustment .0

STAIR CASE Adjustment 0.0

4-2-19. WIDE ID Level Adjustment

SYNC SEP Adjustment

4-3-2. BLACK Pulse Width Adjustment

SYNC Sample Hold Pulse Width Adjustment

4-3-4, 22.5 MHz VCO DC Set Adjustment .0

Sample Pulse Width Adjustment

Sample Pulse V Gate Width Adjustment

22.5 MHz Carrier Level Adjustment

Y DEMOD Carrier Balance Adjustment

Y OFFSET Adjustment 2

Y Output Level Adjustment 00.0

CHROMA CABLE COMPENSATION SYSTEM ADJUSTMENT

45 MHz Carrier Level Adjustment

C PLL Set Adjustment 00.0.0

B-Y DEMOD Carrier Balance Adjustment

C Ist AGC Adjustment

B-Y OUT Level Adjustment

R-Y DEMOD Carrier Balance Adjustment

R-Y OUT Level Adjustment

RETURN VIDEO CABLE COMPENSATION SYSTEM

Return Video Carrier Frequency Adjustment

Return Video Deviation Adjustment 000

PROMPT VIDEO CABLE COMPENSATION SYSTEM

RX PROMPT VIDEO RF AGC Adjustment

RX PROMPT VIDEO Level Adjustment .0

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SONY.

CAMERA CONTROL UNIT CCU-TX7 CAMERA CONTROL UNIT CCU-TX7P CAMERA OPERATION UNIT COU-TX7 SDI OUTPUT BOARD DXBK-701

SERVICE MANUAL

Vol. 1 (1st Edition/Revised 1)

SAFETY CHECK-OUT

After correcting the original service problem, perform the following safety checks before releasing the set to the customer :

Check the metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.

LEAKAGE TEST

The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA. Leakage current can be measured by any one of three methods.

1. Acommercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers' instructions to use these instruments.

2. Abattery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The "limit" indication is 0.75 V, so analog meters must have an accurate low- voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2 V AC range are suitable. (See Fig. A)

To Exposed Metal Parts on Set

0.15 pF

AC Pagel voltmeter (0.75V)

= Earth Ground

Using an AC voltmeter to check AC leakage.

Fig A.

Purpose of this manual

MANUAL STRUCTURE

This manual is the Service Manual Vol. 1 of the CAMERA CONTROL UNIT CCU-TX7 (for NTSC) and CCU-TX7P (for PAL), CAMERA OPERATION UNIT COU-TX7 and SDI OUTPUT BOARD DXBK-701. This manual contains the operation manual related to the operations of this equipment, the replacement of the parts and adjustments.

Related manuals

to this Service Manual Vol. 1, the following manual is provided.

In addition

* Service Manual Vol. 2

Part No. 9-977-286-22 Contains semiconductor pin assignments, and schematic diagrams.

parts lists, block diagrams, board illustrations

CCU-TX7 (E)/V1

CCU-TX7 (E)/V1

TABLE OF CONTENTS

1. OPERATING INSTRUCTIONS

D155 V2)

COUHT RIT ATP cscs ccs sstashict cee sncttegastavaspcaatelabtaneaivesn cnsneaschivensseedsnasssenseedsdesrss 1-1 DXB TOV 35 csesecascosesccossinestde Meadheesteesancecascasneeesevadenchassuersasuvsnevessveasoronesde «1-13

2. INSTALLATION

2-1. CONNECTORS AND CABLES oo... eesesesssssessseesscsenessnsssseeseeesssesueeseesenees 2-1 2-1-1. Connector Input/Output Signals 2.0... eeeeteesesesseseseeseseeeesseessneneees 2-1 2-1-2. Connection Connector ..........scceceserecsssseeessesecssssesscscessstensesserseeessatanenes 2-4 2-1-3. Wiring Diagram for Cable oo... sssseseesesonsssesesesscesseeresstenesrenseneanens 2-4 2-2. MAKING OF WF MODE CONNECTOR .......csssssssesesesscesssseeeerserseeneseeeeeees 2-4 223. COAK:- CONNECTOR sss ccsseiscescsccverseuessasaasesosesetSbonvsecteterstccntsesvonasdahsusdeaeacseets 2-5 2-4. OPERATING ENVIRONMENT ou... ..cseteessescsceseeessesssseescsseessessesssensesessenens 2-5 2-5. MOUNTING ON 19-INCH RACK uu... eessssescsessssscessesssessneesseesesssseseseeesseas 2-6 2-6. SWITCH FUNCTIONS ON BOARD uu... ccesscsssesssesessessssssseeeeeseaeeesereeenes 2-7

3. SERVICE INFORMATION

3-1. BOARD LAYOUT.............. sas bade payers dbus bus pobancusnnatensa ca arapean degeareseasans 3-1 3-2. DISASSEMBLY/INSTALLATION OF MAIN PART .......ccsecesssessssseesesenes 3-1 3-2-1. Removal of Cabinet .......ccessesescsssscssssersescseeesssssssssssssatseneseneneeerseseenees 3-1 3-2-2. Replacement of Switching Regulator ...........ccccessessessesesesseesesserseseenenenee 3-2 3-2-3. Replacement Of Fan oo... sesesssssssssssesessseesseesseseeeeessseseneseneeesssseseneneeseneens 3-3 3-2-4, Removal Of COU-TX7 o....eeesscssssessseesssenesenseseseeerseeeseneeesneneaessseeseseneeges 3-3 3-3. CIRCUIT DESCRIPTION . 0... cccsscscssesseesessssssssessssesesesssaseseseenesesenseseeeneses 3-4 CT=18T DOA Ss ecssccsess seseteccectshecvessbancide sansvasencsceddeotesscusosduasagudabacacnsatseddiayenseedsosebeuns 3-4 AA-90 DOA oo. eeeeeeeeeteeeeeeees sSieg dock Sucwaweddechuscessussebscwubsastessyasaestertesbbovbésavedesetes O-4 YD=26 Doar cessessstanst ossssscvess.decssachestesasstehigccttvabaenedecessodssadasisessorneteasedeaveseoste vere S-4 ES=20 Doar cise. cctencciecscenstavsscctssbssccscesteasscbisosetateseustescesebsosedsasteateesdeuseesteccaaseests 3-4 AU-234 DO ard wise ccsceccscivectscentzacessusdudecsiasyesciteazescastiseseaasessdsaesereeenssstncavesevodeaanestas 3-4 TO-140 Doard .......sessesscecsesessenenesessneeesseerenenesnsnsesssssssneusarseaneseeeenssentseneressaneneaennents 3-4 SDI-44 board (DXBK-701) ......escesssssesessseseecseeessssscscneseesessscssssessnsesesesesseecseeesenaes 3-4 3-4, EXTENSION OF DXBK-701 (SDI-44 BOARD) ........:cscesssseeteesessseeeeeeees BO

4. ADJUSTMENT

5. PREPARATION? dines ccadeaseuateeceaselasieavandesaedseaasiaee sitvcssacctecscsselaveaseceebevevaatidicncat 4-] 4-1-1. Equipment Required wo... cessseeseseseseneesenseressnssensssersersscersneenessoaeess 4-1 AND. -FAXtUre igoiscvscclesoiaseuctecesdenceaiupsecescseesccssccchsssevetecndusNeveciendsetesttesstcaussenssdezee 4-1 AAR. Woteaion Adiustmient aahistat aicieocsscstistecsadclnucttiouyecrenaneateoegnasitte 4-1 4-1-4. Switch settings 0... ce eeeeseseesecescerseseseeneesesseeesecsessaereseensersenspenseoneoes 4-1 4-1-5. Connections ............. des vanetstcacesenauodedetusuesacendzansedsdeswessese vaceandatauecbausvoteciveve 4-2 4-2. VIDEO SIGNAL SYSTEM ADJUSTMENT .......ccccccesscsssesssesseeesseenseenennenns 4-3 4-2-1. Sub-carrier Frequency Check .0..0.....cseseeeeceseseseeeieseeseeees eaeia vatarislgins 4-3 4-2-2. CAM H Phase Adjustment... cssssssssscssesseresseeessessetersstsenseneseseneones 4-3 4-2-3. H Phase Adjustment 20.02... cccesccesceseecerssseccsereeeseseseenersensrsesnenssesserseness 4-4

6. -2-4. SYNC Phase Adjustment 0... cesesssssesessseceececssseteeecseeteceeseseeroeeee 4-4

4-2-5. INT SC Phase Adjustment............ eee Sd co evaantoadesnevedssaseatease suubdanddcenae 4-5 4-2-6. Y CLAMP Adjustment ou... ses cscscssesneceseenerscecscceetateceesenesersenenee 4-5 4-2-7. Y OUT (COMP) Level Adjustment 00.0.0... cccsseseseceesesececcesssccececeeteeses 4-6

1. -2-8. Y OUT (VBS) Level Adjustment .........ccccsccssssecesseseees he scseueteeasess 4-6 4-2-9, R-Y/B-Y White Black Balance Adjustment... sceseeeectereeteeseees 4-7 4-2-10. G Level Adjustment ..0... ce eceseeseeeecesctesesseessecssceeesseesscesvsceasssseseaees 4-7 4-2-11. R Level Adjustment... ccsessccesseseeseneresseeenes dads se daas ch dhe Wasesecead cai 4-8 4-2-12. B Level Adjustment... cscccssssescsscsseesssessssesseeseccsscseasssssesssacsensceesesnes 4-8 4-2-13. WF OUT R/B DC OFFSET Adjustment ce ccsssessseeseeecestecsesonesees ............ 4-9 4-2-14. Carrier Balance Adjustment ............:cccccsscsesesscessensecscessssseseesereessceeesraeeas 4-9 4-2-15. Color Vector Adjustment .0.......ecessecssesesceecessecsenseneseseerensenceeteeeenes 4-10 4-2-16. R-Y/B-Y OUT Level Adjustment 0.0... cescessesseesseseeeccesssesseessenteees 4-10 4-2-17. VBS OUT Level Adjustment .0....... cece ccssscsesesseresseceeseseccesssnseessnseeseees 4-11 4-2-18. STAIR CASE Adjustment 0.0... ccccescsessescescseesesecectsesssceseeeesessesersceeons 4-11 4-2-19. WIDE ID Level Adjustment ............cc:csssesessesceseserctessesseeesscesesseeasenes 4-12

4-3. Y CABLE COMPENSATION SYSTEM ADJUSTMENT .........cssceseseeees 4-13 4-3-1. SYNC SEP Adjustment ...........cccccsscsssssessessesssseeseesserecscsessseeseesceesersenee 4-13 4-3-2. BLACK Pulse Width Adjustment .............csessssseesesenecsseesscsseesseneens 4-13 4-3-3. SYNC Sample Hold Pulse Width Adjustment ..........csssesseseeseeseenees 4-14 4-3-4, 22.5 MHz VCO DC Set Adjustment .0....... cc csssssesesscnesssseneseseescnsessees 4-14 4-3-5. Sample Pulse Width Adjustment .........cccsssssscsseseserecsssssnsseseesessessesees 4-15 4-3-6. Sample Pulse V Gate Width Adjustment cc .0.......sseseeseeteeseeeeseeees 4-15 4-3-7. 22.5 MHz Carrier Level Adjustment ...........ceccsssscessescesseesenseeesereeees 4-16 4-3-8. Y DEMOD Carrier Balance Adjustment .............cscssceccecesesesstseseeeenes 4-16 4-3-9, Y OFFSET Adjustment 2...........cccscscsssscsseccssssesceeesecseesesecsesssssessseeeesens 4-17 4-3-10.: ¥ 90" Adjustment scc.ccicccescisssscocscecventeccostseasanscaencvetivagsenssseasudueersndecsooaaes 4-17 4-3-11. Y Ist AGC Adjustment 0.0... cecseecececesecensensescsecessecensseeseseeeesenerees 4-17 4-3-12. Y Output Level Adjustment 00.0... sce ccscessseccessesescesssseseesesesesssseeseeeees 4-18 4-4, CHROMA CABLE COMPENSATION SYSTEM ADJUSTMENT .......... 4-18 4-4-1. 45 MHz Carrier Level Adjustment ..0....... ccc eeessscseescenseceeeceeesessenenes 4-18 4-4-2. C PLL Set Adjustment 00.0.0... csssssssscsscsssseescesssesesensescssssssnsesesevseeerass 4-19 4-4-3, B-Y DEMOD Carrier Balance Adjustment ...........ccsssesssereesenseneneeees 4-19 4-4-4. B-Y Crosstalk Adjustment oo. ceeectesseceesecneeteeseessoessseeseseeneesnees 4-20 4-4-5, C Ist AGC Adjustment .......eseceeesscseescsesccssnesseeerssenesecaeneeseessessenees 4-20 4-4-6. B-Y OUT Level Adjustment ..0.0. cs cseceenenseeseseeseeeesesseencseeeees 4-21 4-4-7, R-Y DEMOD Carrier Balance Adjustment ............scssccssesscececsessetenees 4-21 4-4-8. R-Y Crosstalk Adjustment .0.00.. ecco san chaz actscaeasagees dauesebadhcets 4-22 4-4-9, R-Y OUT Level Adjustment 0.00.0. ees eeseececcseeseeeneseeeestecseeseesoeeees 4-22 4-5. RETURN VIDEO CABLE COMPENSATION SYSTEM ADJUSTMENT. d.ticicceicncsnseseccnonivsagssetertsvecsnniventactugocesnevseadsceeshontanstosensstebaves 4-23 4-5-1. Return Video Carrier Frequency Adjustment ............:ccssssssseeeeeseeeees 4-23 4-5-2. Return Video Deviation Adjustment 000... eeeceeesscsenseesseneeseersenes 4-23 4-6. PROMPT VIDEO CABLE COMPENSATION SYSTEM ADJUSTMENT }nscscscssccssdscisel edi otessedscisl ceed neseupueasieeandeactadecainstieaaesdteeuttes 4-24 4-6-1. TX PROMPT VIDEO Demodulation Adjustment 00.0.0... ssscseseeess 4-24 4-6-2. RX PROMPT VIDEO Demod. Adjustment... ceseeesseneeserenees 4-25 4-6-3. RX PROMPT VIDEO RF AGC Adjustment cc .0........ccscesseeeseeeeseeenens 4-26 4-6-4. RX PROMPT VIDEO Level Adjustment .0........cccscsssssseesssoneenseseereees 4-27

CCU-TX7 (EYV1

4-7. TRIAX INTERFACE SYSTEM ADJUSTMENT .........ccscsssesssceetesersenees 4-27

4-7-1. Frequency Set Adjustment ............. isa dadach ice sauessoececedskexsduestevectesccey 4-27 4-7-2. INCOM Deviation Adjustment ........ cect eeseeseseesssceseceetseesesesesessaves 4-28 4-7-3. PGM Deviation Adjustment .............seceecsssessesccceesseeeesssseessessatatenees 4-28 4-7-4. INCOM Demodulation Adjustment ............ ce secssssscseessstssseseseseesseseees 4-29 4-7-5. INCOM Level Adjustment 0.0.0... cessescsecsecsessseaseoseeescesssersseensssessaes 4-29 4-7-6. MIC I Demodulation Adjustment ......... eee eesceeceeceestectsseenseeensoesses 4-30 4-7-7. MIC 1 Level Adjustment ...0...........seseesessecseeseosscosseceesesesseesosessenssseeees 4-30 4-7-8. MIC 2 Demodulation Adjustment ......... ic cesessceccesceseseesesseenssonessenens 4-31 4-7-9. MIC 2 Level Adjustment ..2...... cc ecsescssesseeeecsessesescssesnsecensesessseessnonsees 4-31 4-7-10. CAM DATA Demodulation Adjustment .............:ecsseesctsscsesonesreseeee 4-32 4-7-11. CAM TONE Adjustment ......ssccscsscsssssssssscssssssscssseesssssecsssssees onsen 4-32

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SECTION 2 INSTALLATION

2-1. CONNECTORS AND CABLES

2-1-1. Connector Input/Output Sianale

• MIC OUTPUT CH1/CH2 (XLR 3P, MALE)

The connector input/output signals are described below.

1. Rear panel | (EXTERNAL VIEW)

BNC connector: 75 Q

[Input signals] ¢« GENLOCK (BNC)

• • RETURN VIDEO 1/2
• • PROMPT VIDEO (BNC)

: VBS/BS,

(BNC) : VBS, 1.0 V p-p

VBS, 1.0 V p-p

1.0 V p-p

No. Signal

MIC OUT (G)

MIC OUT (Y)

MIC OUT (X)

(0 dBu

= 0.775 Vrms)

Specifications

0 dBu/

-20 dBu

(Selectable with MIC switch on AA-90

board)

[Output signals]

• R(BNC) : 700 mV p-p

« G(BNC) : 700 mV p-p

• B (BNC) : 700 mV p-p

« Y (BNC) :1.0V p-p « R-Y (BNC) : 700 mV p-p :525 mV p-p

• B-Y (BNC) :700 mV p-p :525 mV p-p ¢ C(BNC) :286 mV p-p (for CCU-TX7) :300 mV p-p « PIX (BNC) : 1.0 V p-p
• VBS 1/2 (BNC) : 140 IRE
• SYNC (BNC) _ : VBS, 0.3 V p-p, ¢ WE (BNC) : 700 mV p-p (Encoded output : 1.0 V p-p)
• SDI OUT (BNC) : 800 mV p-p

(for CCU-TX7) (for CCU-TX7P) (for CCU-TX7) (for CCU-TX7P) (burst)

(for CCU-TX7P)

negative

• R/G/B, Y/R-Y/B-Y, Y/C selection (Selectable with S800, $801 on the ES-20 board)

[Input/Output signals]

• ¢ TRIAX: King type (for CCU-TX7) _ Fischer type (for CCU-TX7P)

• • COAX (BNC)

* WE MODE (4P, FEMALE)

(EXTERNAL VIEW)

= 0.775 Vrms)

(0 dBu

No. Signal

Specifications

1 SEQ CONT OUT (G) - OPEN COLLECTOR . 2 SEQCONT OUT (X)

1. STAIR CASE OUT (X) #1) 4 STAIR CASE OUT (G) GND for STAIR CASE

• *1) Stair Case

• signal

• DCO +2 V

CCU-TX7 (E)/V1 2-1

« INTERCOM/TALLY

(D-Sub 25P, FEMALE)

O %o00000000000' 9 09900000009,

O

(EXTERNAL VIEW)

= 0.775 Vrms)

(0 dBu

No. Signal

Specifications

GREEN TALLY (Y) IN | ON :24V DC/TTL (H)/SHORT 14 GREEN TALLY (X) IN OFF : 0 V DC/TTL (L)/OPEN RED TALLY (Y) IN ON : 24 V DC/TTL (H)/SHORT 15 RED TALLY (X) IN OFF : 0 V DC/TTL (L)/OPEN GND GND for INTERCOM REMOTE 16 CAM MIC OFF IN L: CAM INCOM MIC OFF CH2 INT IN L: CH2 INTERRUPT ON 17 CH1 INT IN L: CH1 INTERRUPT ON

4W CH2 SYSTEM RECEIVE

0 dBu

BALANCED

AW CH2 (R) (G) OUT 4W C#2 (R) (Y) OUT 4W C#2 (R) (X) OUT 4W CH2 (T) (G) IN 4W CH2 (T) (Y) IN 4W CH2 (T) (X) IN 2W CH2 ee ne(G) IN/OUT

~ 2W CH2 (X) IN/OUT 4W CH1 (R) (G) OUT 4W CH1 (R) (Y) OUT AW CH1 (R) (X) OUT 4W CH1 (T) (G) IN 4W CHI (T) (Y) IN 4W CHi (T) (X) IN 2W CH1 (G) IN/OUT 2W CH1 (X) IN/OUT CHASIS GND

18

4W CH2 SYSTEM TALK

0 dBu

BALANCED

19

20

2W CH2 SYSTEM

0 dBu

Recommended Term. imp.= 600 Q

21

4W CH1 SYSTEM RECEIVE

0 dBu

BALANCED

22

10

23

11

24

12

25

13

_4W CH1 SYSTEM TALK 0 dBu BALANCED

2W CH1 SYSTEM

0 dBu

Recommended Term. imp.= 600 Q

• RS-232C CH1/CH2 (D-Sub 25P, FEMALE)

O %o00000000000' 9 00000000009,

O

(EXTERNAL VIEW)

= 0.775 Vrms)

(0 dBu

No. Signal

Specifications

1

CHASSHIS GND

TXDATA specification.

3 RXDATA

This is based on RS-232C

38,400 bps or 9600 bps Switchable

by the internal switch on the

4 RTS

5 CTS

6 DSR

7 GND

20 DTR

CT-181 board of CCU.

* REMOTE

(10P FEMALE)

2% 62 a

© @

(EXTERNAL VIEW)

No. Signal

1 (SPARE)

Specification

-_

2 (SPARE)

3. (SPARE)

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_

CCU) _RX DATA equivalent

5

S. DATA

GND

7

S. DATA §. DATA

GND (CCU

RCP)

(SPARE)

9

10

POWER +12.5 V DC GND

POWER +12.5 V DC IN

communication rate that is

based on RS-232C

specification is 38,400 bps.

TX DATA equivalent

communication rate that is

based on RS-232C

specification is 38,400 bps.

GND for +12.5 Vdc

10.6 V to 17:0 Vdc

1. -2

2. -TX7 (E)/V1

° PGM IN (XLR 3P, FEMALE)

(EXTERNAL VIEW)

No.	Signal	Specifications			EW?
1	PGM IN (G)	0 dBu/ -20 dBu			(0 dBu = 0.775 Vrms)
2	PGM IN (X)	(Selectable with PGM switch on AA-90	No.	Signal	Specifications
	PGM IN (Y	board
	OO	COND ee a ee	1	INCOM (T) (G) IN	-60 dBu (DYNAMIC MIC)
			2	INCOM (T) (X) IN	-20 dBu (CARBON MIC)
¢	IN/OUT	3P, FEMALE MALE)	3	NCOM (R) (G) OUT	GND for HEADPHONE
	FEMALE	MALE	4	INCOM (R) (X) OUT	-0 dBu (Max. 18 dBu)
			5	PGM (X) OUT

Loop-through ® @

®

~~,

(EXTERNAL VIEW)

No. Signal

1 GND

2

RTS CH1 (X) IN/OUT

(EXTERNAL VIEW)

Specifications

0 dBu/

~10 dBu (Clear-Com)

RTS CH2 (X) IN/OUT - Current drive

Recomended Term. Imp.= 200 Q

2. Front panel

+ INTERCOM

(XLR 5P, FEMALE)

5 OQ;

1 Be)

O & O

¢ DCIN (XLR 4P, MALE)

No.	Signal	Specifications
1	GND	GND for DC (+)
2	(SPARE)	_
3	(SPARE)	_-
4	DC (+) IN	DC V to 10.517 V

@

@

® ®

(EXTERNAL VIEW)

2-1-2. Connection Connector

Use the connectors below or the equivalent at its tip when cables are connected to each connector on the connector panel during installation and servicing.

Connector name

GENLOCK VIDEO 1,2 RETURN VIDEO PROMPT VIDEO R/R-Y/C 1, 2 GNN 1 B/B-Y 1,2 WF PIX VBS 1/2 SYNC COAX (BNC type)

MIC CH1/CH2 RTS (38P, MALE)

PGM IN RTS

INTERCOM/TALLY RS-232C CH1/CH2 (25P, FEMALE)

WF MODE (4P, FEMALE) REMOTE (10P, FEMALE)

INTERCOM (5P, FEMALE)

Connected connector/cabie

-_ 1-560-069-11 plug, BNC, or B-B cable assembly

(1.5 min cable length, optional)

1-508-083-00 XLR, 3-pin FEMALE or CANNON XLR-3-11C or the equivalent

1-508-084-00 XLR, 3-pin MALE or

CANNON XLR-3-12C or the equivalent

D-Sub, 25-pin male,

JAE DA-25PF-N or the equivalent

1-560-343-11 plug, 4-pin male

_

1-766-848-11 plug, 10-pin male, or

CCA cable assembly CCA-7-5 (supplied with RCP-TX7)

1. m max.)

1-508-370-11 XLR, 5-pin male,

or CANNON XLR-5-12-C or the equivalent

2-1-3. Wiring Diagram for Cable

¢ CCA-7 cable

2-2. MAKING OF WF MODE

CONNECTOR

; : ¢ When connecting plug to wave form monitor, make the

plage Follow:

PLUG (4P) (Sony part No. 1-560-343-11)

(EXTERNAL VIEW)

To wave form monitor (REMOTE)

(WIRING SIDE)

STAIR CASE SEQ CONT

2-3. COAX CONNECTOR

The COAX connector (BNC type) can be used for connection between the CCU and the CA with a BNC cable instead of a triaxial cable. In this case, supply the power source from outside to the CA side. And for the CA side, it is needed to modify the TRIAX harness to the COAX harness. For the CCU, the following modification is required. Disconnect the RF cable from the CN3 on the IO-141 board and reconnect it to the CN4.

RF Sf

2-4. OPERATING ENVIRONMENT

Operating temperature : +5 °C to +40 °C Storage temperature :-20°C to +55 °C Humidity : Noncondcnsing Supply voltage : 100 V to 240 V +10% Power consumption : 95 W (maximum)

(50/60Hz)

1. Do not put the unit in a place subject to high temperature or in a location near hear sources.

2. Do not put the unit in a place subject to excessive electrical and magnetic fields. 3. Put the unit in a dry and well-ventilated place.

3. Do not put the unit in a place subject to excessive dust and mechanical shock.

4. Do not put the unit in a place subject to direct sunlight and light.

(Unit: mm)

CCU-TX? (E)V1 2-5

2-5. MOUNTING ON 19-INCH RACK

Two CCU-550s can be mounted on a 19-inch EJA standard rack in parallel by using rack mount adaptor RMM-TXC7 (optional).

Mounting

1. Tighten the four rack mount screws.

B5 screws (60 mm or more long)

1. Mount the CCU-TX7/TX7P on the rack mount adaptor as shown in the figure below and tighten the four fixing screws (supplied for RMM-TXC7).

2-6

2. -TX7 (E)/V1

2-6. SWITCH

FUNCTIONS ON BOARD

CT-181 board

a £12008 o8 Esoa

RV23 PROMPT

LEVEL

CT-181 Board (A SIDE)

$1000 This switch is for the adjustment in the factory. Factory setting : All OFF

$2002 (PROMPT SELECT TX/RX) TX : When selecting the TX mode, the CCU modulates | the VBS signal input to the PROMPT VIDEO IN connector on the CCU-TX7/TX7P, and modulated signal is sent to the CA-TX7/TX7P. RX_: When selecting the RX mode, the CA modulates the VBS signal input to the PROMPT VIDEO IN connector on the CA-TX7/TX7P, and modulated signal is sent to the CCU-TX7/TX7P. Note : When using this switch, change as follows.

¢ Incase of using the TX mode (TX side) ;

1. Disconnect CN8 and connect CN3 and CN7 on the CT-181 board.
2. Set S1 and S6 switches to "PROMPTER" side on the YD-25 board of CA-TX7/TX7P.

• In case of using the RX mode (RX side) ;

1. Disconnect CN7 and connect CN3 and CN8 on the CT-181 board.
2. Set S1 and S6 switches to "AUX" side on the YD-25 board of CA-TX7/TX7P.

Factory setting : TX

$2011 (R TALLY POWER/CONTACT) $2013 (R TALLY DC24 V/TTL) These switches are set according to the signal sandard of the R TALLY signal input to the INTERCOM/TALLY/ PGM connnector on the CCU rear panel. For the relation between the signal and switch setting, refer to the table below. Factory setting : ($2011) POWER (S2013) DC 24 V $2012 (G TALLY POWER/CONTACT) $2014 (G TALLY DC 24 V/TTL) These switches are set according to the signal standard of the G TALLY signal input to the INTERCOM/TALLY/ PGM connector on the CCU rear panel. For the relation between the signal and switch setting, refer to the table below. Factory setting : (S2012) POWER (S2014) DC 24.V

$1001 (PANEL REMOTE/LOCAL) When the RCP or COU is connected, the connected one is selected in spite of PANEL setting. Also, when both RCP and COU are connected, RCP or COU is selected according to the PANEL (REMOTE/ LOCAL) setting. Factory setting : REMOTE Note : RCP : Remote Control Panel RCP-TX7 COU : Camera Operation Unit COU-TX7

• $1002 (CONTROL MODE NORMAL/SLAVE) The RCP is only connected or both RCP and COU are connected and then the $1001 switch is set to REMOTE side. In this case, the RCPis valid, and this $1002 switch is invalid. The COU is only connected or both RCP and COU one connected, and then the $1001 switch is set to LOCAL side. In this case, the COU is valid, and this $1002 switch is used as follows ; NORMAL : COU can be used 'SLAVE _ : The operation of CCU can be used. COU can not be used. Factory setting : NORMAL

Signal input method

Switch

Contact Power (+24 V) TTL (+5 V)

Power Power

$2011,$2012 Contact

$2013,$2014 DC24VorTTL DC24V

TTL

SW1000 (MIC GAIN --- CH1) SW1001 (MIC GAIN -:- CH2) Use these screws to adjust the microphone amplifier gain for the camera adaptor. The standard level (NORM) is 0 dB, and the gain setting can be adjusted to any of 16 levels from -12 dB (MIX) to +12 dB.

$1004 This switch is used to change the RS-232C Factory setting.: RS-232C side

and IF BOARD.

CCU-TX7 (E)/V1 2-7

AA-90 board

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RV2000 SIDE TONE

AA-90 Board (A SIDE)

Intercom select switches (S2002, $2003, $2005, S2007)

$2002 (INCOM SELECT 2W/RTS/4W) Select according to the intercom system. Factory setting : 4W

$2003 (INCOM MODE 1CH/2CH)

Set to 1CH or 2CH according to the intercom system. The interface circuit of CH1 side only works with the switch set to 1CH position. Factory setting : 2CH

$2005 (RTS/Clear-Com) This switch selects RTS or Clear-Com position when the $2002 switch is set to RTS position. Factory setting : RTS

$2007 (RTS CH REV STD/REV) Applicable Serial No. 10801 and Higher [UC] Applicable Serial No. 40136 and Higher [CE] This switch allows RTS input/output to be switched Factory setting : STD

between CH1 (PROD*!) and CH2 (ENG*') when it sets to REV. .

*1 : Corresponds to PROD side of the intercom selector switch for CCU-550, CCU-550P and so on. *2 : Corresponds to ENG side of the intercom selector switch for CCU-550, CCU-550P and so on.

$2003, S2005 and S2007 switches to the positions shown in the table below, according to the intercom system.

Set the $2002,

X : Don't care

Intercom system to be connected

4-wire system

2-wire system

RTS TW system (2CH)

Clear-Com 1 ch system

Clear-Com TW system

$2002 $2003 $2005 $2007

4w

2w

RTS

2CH

X

2CH _ xX

2CH

RTS

X

X

REV

STD

1CH Clear-Com STD

2CH Clear-Com = REV

Remarks

CH1 (CCU) <=> CH1 (RTS) CH2 (CCU) <=> CH2 (RTS)

CH1 (CCU) <=> CH2 (RTS) CH2 (CCU) <=> CH1 (RTS)

• • $201 (MIC 1 LEVEL) This switch sets the audio signal level of the MIC OUTPUT CH-1 connector on the CCU rear panel to 0 dBu or -20 dBu. Factory setting : 0 dBu

• ° S301 (MIC 2 LEVEL) This switch sets the audio signal level of the MIC OUTPUT CH-2 connector on the CCU rear panel to 0 dBu or -20 dBu. Factory setting : 0 dBu

$2004 (MIC TEST) This switch is for mixing the MIC (1 or 2) audio from the CA-TX7/TX7P with the program audio (PGM) and for monitoring the audio. CH-1 : MIC 1 audio mixes to the program audio. CH-2 : MIC 2 audio mixes to the program audio. OFF : MIC 1 audio and MIC 2 audio do not mix to the program audio. Factory setting : OFF

$2006 (RTS 200 Q ON/OFF)

This switch sets to ON or OFF position for 200 Q termination in the RTS system. Usually, this switch sets to OFF position because the RTS system has 200 Q termination. Factory setting : OFF

$2081 (PGM IN) This switch sets the PGM (program audio) level to 0 dBu or

-20 dBu. Factory setting : 0 dBu

CCU-TX7 (E)\V1 2-9

YD-26 board

'SAMPL GATE

axe TP4 TPT UNE

b8@ Qom

Os BLACK SH = SYNC SH 4 CZNBAGC E7 fe) ° $ 3 TP13 TP14 $Q RVI

eycarmea

RVIO AGC CONT

OFFSET ADJ

YD-26 Board (A SIDE)

• • $1 (MODE AUTO/MANU) The length of a triax cable connecting the camera head and CCU is automatically detected and set. when this switch is set to AUTO. The triax cable length can be manually set using S2 (CABLE LENGTH SELECT) when this switch is set to MANU (MANUAL). Factory setting : AUTO

• ¢ $3 (¥-ch 2nd AGC ON/OFF)

• ¢ S4(CHROMA-ch 2nd AGC ON/OFF) These switches are used for RF AGC adjustment. set these switches to ON.

Usually,

¢ §2 (CABLE LENGTH SELECT) This switch is valid when S1 is set to MANU. This switch is set to the number corresponding to the cable length. Factory setting : 0 (100 m)

Switch setting

0

1

PWD

Cabie length (center value)

100 m

300 m

500 m

700 m

NOT IN USED

CCU-TX7 (EVV1

ES-20 board

RV] HeHASE

RY62 sc PHASE

SYNC WIOTH ava @

Av2Q) SYNC PHASE

RV1 RV800 Y SETUP LEVEL (NTSC ONLY)

Rv4Q OFFI

CAMH: BIS)

'SC FREQUENCY

$800 $C. 07180 =OUTPUT!SELECT

Ci"

4

OE .

SCH PHASE

GMAT BAL2 BWHTBAL RWHTBAL RVSO6 «= RVEOS = ROO

515 @ & > te} 3 LEVELYCUP & @ RLY GAIN ADJ Vi! QO @ Rv504- AVS03 B-Y GAIN ADJ_B-¥ BLK

TP501 RV508 °

quranAVS07

'3 O8OR OTPsoz & &

GLEVEL

ALY BLK BAL

AMAT BAL RV509

Byso1

RVSi10 aLeve. OTP503 B MAT BAL QD Qrusiz RV513 erever

BAL

ves RV813

©: S-

foe) TPISTP17

ES-20 Board (A SIDE)

S1 (V BLKG 19H/20H/21H) «-- NTSC only This switch sets the V blanking width to 19H, 20H, or 21H. Set this switch according to the application. Factory setting : 20H

S2 (H BLKG) This switch is used for H blanking width adjustment. During factory setting, this switch is set so that the H blanking with is 10.9 +0.2 psec. Set this switch according to the application.

S3 (SC 0°/180°)

The SC phase can be selected to 0° or 180°. Factory setting : 0°

$801 (OUTPUT 2 SELECT)

*R/G/B

• Y/R-Y/B-Y *Y/C This switch selects the signals of the G/R/B, Y/R-Y/B-Y, and Y/C to output the OUTPUT 2 connectors on the CCU rear panel. Factory setting : R-Y/Y/B-Y

$1000 (SEQ ON +/-) Set this switch to + or - position according to the waveform monitor to be used. +: NPN open collector output -: PNP open collector output Factory setting : +

S800 (OUTPUT

• ° R/G/B

• ° Y/R-Y/B-Y eY/C

1 SELECT)

Factory setting : R-Y/Y/B-Y

CCU-TX7 (E)/V1

DU-33 board

[For the Serial No. 10601 and Higher (UC)] [For the Serial No. 40251 and Higher (CE)]

AU-234 board

DU-33 Board (A SIDE)

¢ S1 (WIDE ID ON/OFF) Set this switch to ON position when the 16:9 compatible camera is connected and used in the 16:9 mode. Factory setting : ON

AU-234 Board (A SIDE)

• • $5 (DYNAMIC/CARBON) Set this switch according to the type of the headset microphone connected to the INTERCOM connector on the front panel. DYNAMIC _ : Dynamic type microphone CARBON : Carbon type microphone Factory setting : DYNAMIC

SDI-44 board

Tr1aoo

30 BO pvsaor BYDC a

Av1400 BY LEVEL

RV1501 RV1S00 RYOC RY LEVEL

| [J] Q

% TP1s00

TP1300 RVI301 RV1300 YOC YLEveL A> Ir

TP1201 £201

Oo 8°

Rv904 o OB Dlaveos T3902 Z|Z o DI Blaveos

TP901 RVo02

SDI-44 Board (A SIDE)

• • S701 (for factory adjustment) Factory setting: LOCK
• • S601 (ADJ/OPE) This switch is used for returning the level control values of the R-Y and B-Y video signals to the factory setting. Set this switch to ADJ position and turn on the power to the main unit. Alternatively, set this switch to ADJ position and press the AUTOLEVEL (BARS) switch. Usually, set this switch to OPE position. Factory setting : OPE

* $401 (AUDIO MODE)

Set this switch sets to 4CH position when the units is connected to an equipment with cannot receive SDI audio in 2CH mode. It is impossible to send audio signals to channels 3 and 4 even if this switch is set to 4CH. Usually, set this switch to 2CH position. Factory setting : 2CH

CCU-TX7 (E)V1 2-13

3-1. BOARD LAYOUT

10-140 board

SECTION 3 SERVICE INFORMATION

3-2. DISASSEMBLY/INSTALLATION OF MAIN PART

3-2-1. Removal of Cabinet

1. Removal

of Front

AU-234 board

AU-234 board

Front panel

CCU-TX7(EVV1 3-1

1. Removal

of Cover

Bottom cover

a B 3x5

3-2-2. Replacement of Switching Regulator

[For the Serial No. 10001 through 11000 (UC)] [For the Serial No. 40001 through 41000 (CE)]

1. Remove the top and bottom covers. (Refer to "3-2-1. Removal of Cabinet".)

2. Remove four screws (K3X6) and disconnect CN1 on the 1O-140 board and CN10, CN19 and CN20 on the MB- 693 board. Remove the rear panel.

Connector (CN10)

We onnector (CN19) Connector (CN20)

Switching regulator

1. When installing a new switching regulator, reverse the | above procedures.

[For the Serial No. 11001 and Higher (UC)] [For the Serial No. 41001 and Higher (CE)]

1. Remove the top cover. (Refer to "3-2-1. Removal of

Cabinet'.) . Remove four screws (K3X6) and disconnect CN1 on the

10-140 board and CN10, CN19, CN20 and CN28 on the

MB-693A board. Remove the rear panel. . Remove four screws (PSW3X20) and remove the fan.

Connector (CN10)

Cae (CN1)

3-2-3. Replacement of Fan

[For the Serial No. 11001 and Higher (UC)] [For the Serial No. 41001 and Higher (CE)]

When the fan is out of order, the CAMERA POWER indicator is blinking. , Turn off the power immediately and replace the fan. Using the defective fan may reduce the service life of the equipment extremely. Before replacing the fan, be sure to turn off the power switch and unplug the power cord.

°

Perform steps 1 to 3 in Section "3-2-2. Replacement of Switching Regulator" for the Serial No. 11001 and higher (UC), Serial No. 41001 and higher to remove the fan. Install a new fan in the reverse order.

Connector (CN28) Connector (CN19)

K3x6 Connector (CN20)

3-2-4. Removal of COU-TX7

As for installing of COU-TX7, refer to "Installing the Camera Operation Unit" of service manual SECTION 1.

Switching regulator

5. When installing a new switching regulator, reverse the above procedures.

CCU-TX7(EVV1

3-3. CIRCUIT DESCRIPTION

CT-181 board

CT-181 board employs RF system circuit that is consists of RETURN VIDEO modulation circuit and PROMPT VIDEO modulation circuit (It becomes AUX VIDEO demodulation circuit by switching.) and microcomputer system circuit that controls the system.

Microcomputer system circuit section : The program is written in the ROM (C1022) that is inserted to socket (CNI 1). ROM of built-in microcomputer is not used. Input and output of control signals between each board in CCU (included in COU) and each board are performed by serial data of 16 bit via YO EXPANDER (1C1028). There are four communication channels with outside. The SCI-1 and SCI-2 built-in microcomputer communicate with CA (via modulation and demodulation circuit ) and RCP (via RS-232C driver). The external SCI (1C1024 and 1025) communicates with command link (RS-232C-1 and RS-232C-2 on the rear panel).

The RF system circuit section : RETURN VIDEO modulation circuit frequency-modulates the input signal (VBS) from RETURN VIDEO 1 or 2, and sends to the CA. Change of RETURN VIDEO 1 or 2 is switched by RETURN 1! and 2 changing switch on the CA. The PROMPT VIDEO modulation circuit amplitude- modulates the input signal (VBS) from PROMPT VIDEO on the rear panel, and sends to the CA. The PROMPT VIDEO modulation circuit becomes AUX VIDEO demodulation circuit by switching S2002 and connecting RF coaxial cable to CN3 and CN8. (lt is needed to change on the YD-25 board of CA.) Demodulated AUX VIDEO is outputted from PROMPT VIDEO on the rear panel.

AA-90 board

This board demodulates the RF signal of MIC1, MIC2, INCOM, CAM DATA and TONE sent from the CA, modulates a PGM signal, the INCOM signal and control data send to the CA. And also, this board switches the INCOM line, and switches the input /output of each audio signals.

3-4

YD-26 board

YD-26 board demodulates Y, R-Y, B-Y, CAM SYNC and SKIN GATE. This circuit consists of cable length detection circuit, cable length compensation circuit and these demodulation circuits. The cable length detection detects from amplitude of Y modulated wave. In accordance with this, the cable compensation circuit compensates the amplitude and phase matching as cable length to modulated wave of Y or differential signal. After that, they are respectively demodulated in demodulator circuit.

ES-20 board

This board produces VBS and RGB signal from the Y, R-Y, and B-Y signals sent from the YD-26 board, switches these signals, and outputs them as WF and PIX signals. This board also generates each sync signal and color bars signal.

AU-234 board

This board inputs and outputs an INCOM signal on the front panel, displays tally signals, and turns on and off the power of camera.

10-140 board

This board mixes the RF signal between CA and CCU with the power of the camera.

SDI-44 board (DXBK-701)

This board converts the analog video/audio signals into digital signals and outputs them as SDI signals.

Video signal processing : Y, R-Y and B-Y signals sent from the ES-20 board are converted from analog to digital and subject to the double over-sampling process on the digital filter IC308.

Audio signal processing : MIC1 and MIC2 signals sent from the AA-90 board are converted from analog to digital and subject to 64 times over-sampling process on IC904 and then subject to time- base compression on IC404.

These digital video signals and the time-base compressed digital audio signals are mixed on IC413. After that, the parallel data is converted to serial data on IC702 and output from this board.

CCU-TX7(EVV1

3-4. EXTENSION OF DXBK-701 (SDI-44 BOARD)

1. Disconnect two coaxial cables from the SDI-44 board.

2. Extend the SDI-44 board with the EX-564 board.

To confirm the SDI signal output with the SDI- 44 board extended:

Preparation: @ Coaxial connector converter : Sony part No. 1-750-881-11 @) Coaxial cable assembly: Sony part No. 1-765-112-12 @ BNC cable : . BELDEN 8281 cable or equivalent

Connect @ Coaxial cable assembly, @® Coaxial connector converter, and ® BNC cable as shown below.

eee 7 oe

Coaxial cable are assembly

oek Coaxial connector

a Equipment, Monitor

@ BNC cable

CCU-TX7(E\V1 3-5

SECTION 4 ADJUSTMENT

4-1. Preparation

4-1-1. Equipment Required

• • Oscilloscope (more than 300 MHz) Tektronix 2465 or equivalent * Waveform monitor/Vectorscope Tektronix 1765 or equivalent ¢ Color monitor Sony PVM-1354Q or equivalent (For NTSC) Sony PVM-1454QM or equivalent (For PAL) ¢ Video signal generator Tektronix 1410 or equivalent (For NTSC) Tektronix 1411 or equivalent (For PAL) (Color Bar signal, 10 STEP signal, SWEEP signal)

• ¢ Video camera Sony DXC-637 or DXC-D30 (NTSC) Sony DXC-637P or DXC-D30P (PAL) ¢ Remote control Unit Sony RCP-TX7 (or COU-TX7 : Camera Operation Unit) ¢ Digital voltmeter ¢ Frequency counter

• ¢ Audio generator ¢ Spectrum analyzer

• ¢ TRIAX Cable

4-1-2. Fixture

Extension board EX-564 (For CCU-TX7/TX7P)

$1002	NORMAL
$1004	All RS-232C side
Sony part number : Sony part number :
$2002	TX
J-6276-420-A J-6276-430-A
$2011	POWER
$2012	POWER
$2013	DC 24V
$2014	DC 24V
AA-90 $201	0 dBu
$301	0 dBu
$2002	4w
$2003	2CH
$2004	OFF
Pattern box PTB-500 . $2005	RTS
$2006	OFF
Sony part number :
$2081	0 dBu
J-6029-140-B
YD-26 =S1	AUTO
} © Light source for test chart
$2	0
$3	ON
$4	ON
es ES-20 $1	20H (NTSC.only)
S2	-
$3	0°
$800	R-Y/Y/B-Y
$801	R-Y/Y/B-Y
$1000	+

Extension board | EX-565 (For CA-TX7)

CCU-TX7 (EVV1

4-1-3. Notes on Adjustment

CAUTION

• ¢ When performing STAIR CASE adjustment, connect the WF MODE connector of CCU-TX7/TX7P rear panel to the remote control connector of waveform monitor with the connecting cord. (Refer to Section 2, 2-2. "Making of WF MODE Connection")

• ¢ Do not turn the following adjusting core on the YD-26 and CT-181 boards. Replace a new one when a filter is faulty. Filters on the YD-26 board and CT-181 board FL1, FL2, FL4, FL5, FL6, FL7, FL8, FL9, FLJ0, FL11, FL12, FL13, FL14, FL15 The adjustment is not required after replacing.

4-1-4. Switch settings

When switching the following switches from a customer-set position, it is recommended to record the setting state of the customer in the table below. After adjustment is complete, be sure to return the switches to their customer-set position.

Board Switch Setting during adjustment

CT-181 $1000 $1001 $1002 $1004 $2002 $2011 $2012 $2013 $2014

All OFF REMOTE NORMAL All RS-232C TX POWER POWER DC 24V DC 24V

Customer-set position

4-1-5. Connections

COLOR VIDEO CAMERA

DXC-D30/D30P

ape

CAMERA ADAPTOR CA-TX7/TX7P

TRIAX CABLE (30~750m)

CAMERA CONTROL UNIT CCU-TX7/TX7P (CAMERA OPERATION UNIT COU-TX7/TX7P)

Waveform monitor

[ neeaee

Audio connections

Audio generator

Fig-1

4

RCP-TX7

75Q

(X)

GND

Audio generator

LEVEL 6000 ADJ ®.

Fig-2

4-2. Video Signal System Adjustment

4-2-1. Sub-carrier Frequency Check

Note : Check that the GEN LOCK IN connector of CCU- TX7/TX7P rear panel is no signal. Before adjustment, warm up the frequency counter more than 30 minutes.

Equipment : Oscilloscope, Frequency counter To be extended : ES-20 board

Adjustment Procedure :

1. Connect the oscilloscope and the frequency counter as follows.

4-2-2. CAM H Phase Adjustment

Equipment : Oscilloscope (CHOP mode) To be extended : ES-20 board Preparation :

• $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board

• "Y/R-Y/B-Y" (Center

Test point : CH1 pin 94/extension board CH2 pin 47/extension board Adjusting point : @RV1 (CAM H PHASE) /ES-20 Specification :T=0+0.05 ps

position) _

board

CH1

CH2

Frequency counter

2. Test point : TP1 (GND: E1) /ES-20 board Adjusting point : @RV4 (SC FREQ.)/ES-20 board Specification : [For NTSC] 3,579,545 +2 Hz [For PAL] 4,433,619 +2 Hz

CCU-TX7 (E\V1

'SYNC WIOTH

VE {NTSC ONLY}

Y LEVEL (VBS) 'SYNC LEVEL (VBS) oO

OS LEVEL RV813

GMATBAL2 BWHTBAL RWHTBAL Rv506 «= RVSOS A

AV510RLeveL OTP5OS @ 'BMAT BAL pvsi2

RVS1S eveveL

Rvsoz QO OO Rv504_-AV503 8-Y GAIN ADJ _B-Y BLK

BAL

ES-20 Board (A SIDE)

4-2-3. H Phase Adjustment

Equipment : Oscilloscope (CHOP mode) Video signal generator (Color Bar signal) To be extended : ES-20 board Preparation :

¢ Gen-lock .

• Input color bar signal of video signal generator to the GENLOCK connector on the CCU-TX7/TX7P.

Test point : CHI pin 78 (GND : pin 77)/ extension board CH2 pin 100 (GND: pin 99)/ extension board Adjusting point : @RV7 (H PHASE)/ES-20 board

Adjustment Procedure : 1, Adjust @RV7 (H PHASE)/ES-20 board so that the width Tlis 0 £0.1 us.

Pin 78 (CH-1)

Pin 100 (CH-2)

4-2-4. SYNC Phase Adjustment

: Overall white

(white portion of the pattern box)

Waveform monitor

ES-20 board

Object

Equipment To be extended Preparation :

¢ Adjust the zoom feame matches screen. ¢ In case of RCP-TX7 IRIS AUTO Button (Control

• In case of COU-TX7 IRIS AUTO/MANUAL switch

control at "TELE" so that the white pattern the underscanned picture frame on the

panel) -

"ON"

(Control panel)

1 OUT connector/CCU rear (SYNC PHASE)/ES-20 board (SYNC WIDTHYES-20 board (HK BLKGYES-20 board NTSC] Tl = 1.35 +0.1 ps (@RV2) T2= 4.7 £0.1 us (@RV3) T3= 10.9 40.1 us (@S2) [For PAL} T1 = 1.55 £0.1 ps (@RV2) T2 =4.7 +0.1 ps (@RV3) T3 = 12.0 +0.1 us (@S2)

"AUTO" panel

Test point : VBS Adjusting point: @RV2 @RV3 @S2 Specification > [For

[For NTSC]

[For PAL]

CCU-TX? (E)V1

4-2-5. INT SC Phase Adjustment

Note : The SC-H phase measurement equipment (Tektronix : Waveform monitor 1765 or equivalent) is used for this adjustment. In case of using another measurement equipment, read its instruction manual carefully and then perform the following adjustment.

Equipment : SC-H phase measurement equipment To be extended : ES-20 board Preparation :

• Set the mode of Textronix 1765 to "SC-H" mode. ¢ Make sure that the video signal is not inputted to the GEN LOCK connector on the CCU-TX7/TX7P rear panel.

Test point

VBS

1 OUT/CCU

rear panel

Adjustment Procedure :

• Adujst @RV5 (SC-H PHASE)/ES-20 board so that the luminance line of BURST (SC) is the same as following figure.

[For NTSC]

[For PAL]

4-2-6. Y CLAMP Adjustment

Equipment : Oscilloscope To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

Test point : TP507 (GND : E1)/ES-20 board Adjusting point : @RV515 (Y CLAMP)/ES-20 board Specification :A=0+5mV

[For NTSC]

{For PAL]

Note : After this adjustment is completed, set the mode of Tektronix Waveform monitor 1765 to "WFM" mode.

RV7 HPHasE

RY6 sc PHASE

SYNC WIDTH Rva@® Rv2 SYNC PHASE

Ava ort 'SC FREQUENCY

RVS 'SC-H PHASE

RVB00 Y SETUP LEVEL

(NTSC ONLY}

GMATBAL2 BWHTBAL AWHTBAL - Rvs06 «= RVS0S = R500

Y LEVEL (VBS) SYNC LEVEL (VBS) oO

RVE03 RYS02

o8

0° , TPIS TP17

RV514 BOCBAL

RV513 B LEVEL

CCU-TX7 (E\V1

B-Y GAIN ADJ

_8-¥ BLK BAL

ES-20 Board (A SIDE)

4-2-7. Y OUT (COMP) Level Adjustment

4-2-8. Y OUT (VBS) Level Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

• S800 (R/G/B, Y/R-Y/B-Y, Y/C/ES-20 board - "Y/C"

Test point : G/Y/Y 1 OUT connector/CCU rear panel

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7 or

• S800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board

• "Y/R-Y/B-Y" (Center

Test point : G/Y/Y | OUT connector /CCU rear panel

COU-TX7.

position)

Adjustment Procedure :

. Adjustment

Procedure :

ES-20 board [For NTSC]

ES-20 board [For NTSC] pane] minaSeeictns |

Y Level Adjustment

@RV804

A= 100 +2 IRE

SYNC Level Adjustment | @RV803

B = 40 +1 IRE

ES-20 board [For PAL]

Y Level Adjustment

SYNC Level Adjustment

@RV802 A= 700 +10 mV

| @RV801 B= 300 +5 mV

[For NTSC]

[For PAL]

ES-20 board [For PAL]

Y Level Adjustment

@RV804

SYNC Level Adjustment | @RV803

[For NTSC]

[For PAL]

A= 700 +10 mV

B =

300 +5 mV

RY6 sc PHASE

SG. 0/180 §=-ouTPUuT?SELECT

SYNC WIDTH

Y LEVEL (vBS) SYNC LEVEL (VBS) Oo RV603. Rveo2

7. Qo ¥ Q coun

RVI

QScamnrnnse ANTSC ONLY)

&& 27

'SC FREQUENCY

2

aso

Rvs SC+H PHASE

of °

Rv813 "~~

fete) TPISTP17

G MATBAL2 506

BWHTBAL RWHTBAL RV505 RV500

4-6

AV510 Reve, OTPSO3 BMATBAL Q OaAvsie RVS13 8 LeveL

RV504 RVSO3

1. -Y GAIN ADS _B-Y BLK BAL

ES-20 Board (A SIDE)

1. -TX7 (EVV

4-2-9. R-Y/B-Y White Black Balance Adjustment

Equipment : Oscilloscope To be extended : ES-20 board Preparation :

¢ Select the BARS mode on ie RCP-TX7 or COU-TX7.

Adjustment Procedure :

1. Test point : TP505 (GND : E1)/ES-20 board Specification : A=0£5 mV @RV500 C=0+5 mV @RVSO01 E=525+5mVp-p @RV502

4-2-10.G Level Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

• Select the BARS mode on the RCP-TX7 or COU-TX7.
• S800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board > "R/G/B"

Adjustment Procedure :

1. Test point : G/Y/Y1 OUT connector/CCU rear panel Adjusting point : @RV507 (G MAT BAL1)/ES-20 board @RV506 (G MAT BAL2)/ES-20 board Specification :A=B=07) mV [For NTSC] A=B=0*) mV [For PAL]

2. Test point : TP506 (GND : E1)/ES-20 board Specification : B=0+5 mV @RV505 D=0+5mV @RV503 F=525+5mVp-p @RV504

3. Adjusting point : @RV508 (G LEVEL)/ES-20 board Specification : C= 700 +10 mV [For NTSC] C= 700 +10 mV [For PAL]

[For NTSC]

[For PAL]

1. Repeat procedure 1 and 2 several times.

CCU-TX7 (E}/V1

1. -7

4-2-11. R Level Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

• ¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

• • $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board > "R/G/B"

Adjustment Procedure :

1. Test point : R/R-Y/C 1 OUT connector/CCU rear panel Adjusting point : @RV509 (R MAT BAL)/ES-20 board Specification :A= 0*) mV [For NTSC] A=0*) mV [For PAL]

{For NTSC]

[For PAL]

4-2-12. B Level Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

• ¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

• ¢ $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board - "R/G/B"

Adjustment Procedure :

1. Test point : B/B-Y 1 OUT connector/CCU rear panel Adjusting point : @RV512 (B MAT BAL)ES-20 board Specification :A=0 70 mV [For NTSC] A=0"0 mV [For PAL]

[For NTSC]

[For PAL]

A

2. Adjusting point : @RV510 (R LEVEL)/ES-20 board Specification : B= 700 +10 mV [ For NTSC] B = 700 +10 [ m VFor PAL]

[For NTSC}

[For PAL]

e

B

Md |

2. Adjusting point : @RV513 (B LEVELYES-20 board Specification :B=700+10 mV [For NTSC] B = 700 +10 mV [For PAL]

[For NTSC}

[For PAL]

1. -8

SYNC WIDTR

'SC FREQUENCY

RVs SC-H PHASE

Ob

GMATBAL2 @ WHT BAL RWHT BAL Rvs0s = RVSO5 = RV500

TPSO1 RV5O8 lo}

8 O80Z0 2 OTPse2 & &

guaroaiCQRYSO7, MAT BAL Rvsoo ALEVE, OTP503

GLEVEL

511 QO ROCBAL AYS1O

2 Oo

BDCBAL RVS513 BLever

B-YGAINADS_6-Y BLK BAL

Y LEVEL (VBS) SYNC LevEt ves) R¥BO4

oR

fete) TP17

• ES-20 Board (A SIDE)

• CCU-TX7 (E\V1

4-2-13. WF OUT R/B DC OFFSET Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7.

Test point : WF OUT connector/CCU rear

panel

Adjustment Procedure :

• Adjust @RV511 (R DC BAL), @RV514 (B DC BAL)/ES- 20 board so that the DC levels of "R" and "B" are same as that of "G" even after the MONITOR SELECT button / RCP-TX7 is selected "R", "G" and "B".

Specification

DC

level +1 mV ("G")

4-2-14. Carrier Balance Adjustment

Equipment : Vectorscope (MAX GAIN) To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

Test point .t VBS 1 OUT connector/CCU rear panel

Adjustment Procedure :

• Adjust @RV805 (I (V) CAL) and @RV809 (Q(U) CALY/ ES-20 board so that the luminance point of black level is located in the center of the vectorscope.

_

[For NTSC]

[For PAL]

CCU-TX7 (EVV1 4-9

4-2-15. Color Vector Adjustment

Equipment : Vectorscope, Waveform monitor To be extended : ES-20 board Preparation :

• ¢ GAIN Switch/vectorscope - "75% CAL"

• • Adjust the PHASE control on the vectorscope so that the burst spot is aligned to the 75% axis. ¢ Select the BARS mode on the RCP-TX7 or COU-TX7.

Test point : VBS 1 OUT connector/ CCU rear panel

Adjustment Procedure :

1. Adjust @RV806 (BURST LEVEL)/ES-20 board so that the burst spot is located at 75% scale mark on the vectorscope screen.

2. Adjust the following adjusting controls so that all luminance points are inside the respective "EA" mark on the vectorscope. @RV807 (BURST PHASE)/ES-20 board @RV808 ((U) LEVEL)/ES-20 board @RV810 (CHROMA LEVEL)/ES-20 board @FL800 (QUAD)/ES-20 board

[For NTSC]

[For PAL]

4-2-16. R-Y/B-Y OUT Level Adjustment

Equipment : Oscilloscope To be extended : ES-20 board Preparation :

• • Select the BARS mode on the RCP-TX7 or COU-TX7.
• • $800 (R/G/B, Y/R-Y/B-Y, Y/C)/ES-20 board - "Y/R-Y/B-Y" (Center position)

• ¢ R/R-Y/C1 OUT connector/CCU rear panel - "75 Q termination"

• ¢ B/B-Y1 OUT connector/CCU rear panel - "75 Q termination"

Adjustment Procedure :

ES-20 board [For NTSC (UC)}

Test point (GND : pin 91)

Adj. point

Specifications

opvett | A= 70025mVpp

onvat2 | B=70025mVpp

ES-20 board [For PAL]

Test point (GND : pin 91)

Adj. point

FRY | ping2 | @Rvatt By | pingo || @avei2,

Specifications

A = 525 45 mV p-p |B =52545mVp-p

R-Y OUT

B-Y OUT

1. Repeat procedure | and 2 several times.

fl |

1. -10

2. -TX7 (E)\V1

4-2-17. VBS OUT Level Adjustment

Equipment : Waveform monitor To be extended : ES-20 board Preparation :

• Select the BARS mode on the RCP-TX7 or COU-TX7.

Test point : VBS 1 OUT connector/CCU rear panel Adjusting point : @RV813 (VBS LEVEL)/ES-20 board Specification :A=100+1 IRE [For NTSC] A= 700 £10 mV [For PAL]

[For NTSC]

[For PAL]

4-2-18. STAIR CASE Adjustment

Note : This adjustment is for temporary adjustment when repairing the STAIR CASE block. In the system set up, the readjustment is required to match the characteristic of waveform monitor.

Equipment : Oscilloscope To be extended : ES-20 board Preparation :

¢ Select the BARS mode on the RCP-TX7. ¢ MONITOR SELECT button/RCP-TX7 - "SEQ"

Test point : pin 76 (GND: pin 75)/ extension board Adjusting point : @RV1001/ES-20 board @RV 1000/ES-20 board Specification :A=10.0 +1 V p-p (@RV1001) B =0 +1 V de (@RV1000)

'SYNC. WIDTH

og

SC FREQUENCY

RVS 'SC-H PHASE

pole} TPI7

GMATBAL2 BWHTBAL RWHY BAL RVSO6 «= RVSO5 = R500

TPS501 508 fe)

= OF0R0 RV515 Y CLP LEVEL TPSO5 Bey BLK BAL

Rysot RVSO9 OTP503 RLY GAIN ADS B MAT BAL RvSO2 RV503 B-Y GAIN ADJ _8-¥ BLK BAL

guarRV507, eau e Orpso2 & & AMAT BAL

RVS10 nrever

Orvsi2

RV513 B LEVEL

ES-20 Board (A SIDE)

CCU-TX? (EVV1 4-11

4-2-19. WIDE

ID Level

Adjustment

[Forthe Serial

[For the Serial

No. 10601 and Higher (UC)]

No. 40251 and Higher (CE)]

Note : Before starting this adjustment, complete the adjustments as instructed in section 4-2-7, 4-2-8 and

4-2-17.

Equipment : Waveform monitor To be extended : ES-20 board Preparation : Select the BARS mode on the RCP-TX7/TX7P or COU- TX7. $1/DU-33 board (on the ES-20 board) + ON Select the 16:9 mode. (How to select the 16:9 mode differs depending on the equipment connected to the unit.)

[When the RCP-TX7/TX7P is connected]

For details, refer to the RCP-TX7/TX7P

operating instruction.

1. Select the advanced setting mode.

2. Press the menu selector button "OTHERS" nine times.
3. Select 16:9 with the setting button.

[When the COU-TX7 is connected]

For details, refer to the DXC-D30WS/D30WSP instruction.

operating

Switch 16:9/4:3 to the 16:9 setting mode using the advanced menu page 9 of the DXC-D30WS/D30WSP.

Adjustment point: @RV 1/DU-33 board (on the ES-20 board)

Adjustment Procedure :

1. Select the lines on the waveform monitor. 20 lines [NTSC] 23 lines [PAL]
2. Test point : VBS 1 OUT connector/CCU rear panel Specification : A = 70 +5 IRE [For NTSC] A = 500 +10 mV [For PAL] [For NTSC] [For PAL] (a)

4-12

DU-33 Board (A SIDE)

CCU-TX7 (E)V1

4-3. Y Cable Compensation System Adjustment

4-3-1. SYNC SEP Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation :

¢ In case of RCP-TX7 Set IRIS AUTO button to "OFF", IRIS control knob. .

• In case of COU-TX7 Set IRIS AUTO/MANUAL close the lens iris by IRIS control

Test point : TP4 (GND: E2)/YD-26 board Adjusting point : @LV1 (Y RF TUNE)/YD-26 board Specification -_: Level "A" = maximum level

and close the lens iris by

switch to "MANUAL", and knob.

4-3-2. BLACK Pulse Width Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TPS (GND: E2)/YD-26 board Adjusting point : @RV2 (BLACK S/H)/YD-26 board Specification : T= 1.7 +0.1 ps

ig

50%

Y RE TUNE wi

OF LV1

a (eo)

'SAMPL GATE SAMPLSH - RVS -2 RV4

% 2 bis

a OTs stacks sync sat S4 C2ng AGC & 3 Br cARA AL S TP14 8@ u

Q

TPs, e

RVI RVI4 RVIS OFFSET ADJ PULSET CCAR LEV

one O&6 RVIT _AYLeVEL

TPu

TPi2 O

TRIS

RVI wa

YD-26 Board (A SIDE)

4-3-3. SYNC Sample Hold Pulse Width Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP8 (GND: E2)/YD-26 board Adjusting point : @RV5 (SYNC S/H)/YD-26 board Specification :T=1.3 £0.1 us

50%

4-3-4. 22.5 MHz VCO DC Set Adjustment

Note : Make sure that 45MHz frequency on the YM-15 board (CA-TX7/TX7P) should be correct.

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP9 (GND: E2)/YD-26 board Adjusting point : @RV6 (VCO DC SET)/YD-26 board Specification :A=0+30mVdc

fAanp

1. -14

2. -TX7 (E)/V1

4-3-5. Sample Pulse Width Adjustment

Equipment : Oscilloscope To be extended : YD-26 board : Test point : TP7 (GND: E2VYD-26 board Adjusting point : @RV4 (SAMPLE S/H)/YD-26 Specification :T=40.0+2.0 us

board

Vv Jt

4-3-6. Sample Pulse V Gate Width Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP7 (GND: E2)/YD-26 board Adjusting point : @RV3 (SAMPLE GATE)/YD-26

board

Adjustment Procedure :

• Confirm that the sample pulses have six pulses in both odd and even fields. If not met, adjust @RV3 (SAMPLE GATE)/YD-26 board so that the sample pulses have six pulses in both odd and even fields.

6 Pulses --T

50%

SAMPL GATE 3

TP26 ry

° gro e

eat a Y bb2 Qo

LV1 lack SH SYNC SH

2}

TPS Ss '2nd AGC E7

° o. 86 6 B-Y CARA BAL TP13 TP14@> 3 AVI

Q

RV1I0O AGC CONT

RVIS RV14 OFFSET ADJ PLL SET

Y BAL CARA

Y CAR LEVEL

TPH YUEVEL@® Rve

Te12 RVI7 O RY LEVEL

OE

TPIg

AVIS 0 SET

YD-26 Board (A SIDE)

CCU-TX7 (E)N1 4-15

4-3-7. 22.5 MHz Carrier Level Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP10 (GND: Adjusting point : @RV7 (Y CARR YD-26 board Specification : A =400 +20 mV p-p (BW LIMIT/Oscilloscope >

E5)/YD-26 board LEVEL)/

"OFF")

4-3-8. Y DEMOD Carrier Balance Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation :

• In case of RCP-TX7 Set IRIS AUTO button to "OFF", and close the lens iris by IRIS control knob. ¢ In case of COU-TX7 Set AUTO/MANUAL switch to "MANUAL", and close the lens iris by IRIS control knob. ¢ $3 (Y 2nd AGC)/YD-26 board > "OFF"

Test point : TP11 (GND: E6)/YD-26 board Adjusting point : @RV8 (Y CARR BAL)/YD-26 board Specification :A= maximum level

1. -16

2. -TX7 (EyV1

4-3-9. Y OFFSET Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP11 (GND: E6)/YD-26 board Adjusting point : @RV24 (Y OFFSET ADJ)/ YD-26 board Specification :A=0+3mV

ee i

4-3-11. ¥Y 1st AGC Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation :

¢ SI (AUTO/MANU)/YD-26 board - "AUTO" ¢ S3 (Y 2nd AGC)/YD-26 board - "OFF"

Test point : TP11 (GND: E6)/YD-26 board Adjusting point : @RV1 (Y AGC CONT)/YD-26 board Specification :A=700220mV

A

4-3-10. ¥ 90° Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation :

• Select the BARS mode on the RCP-TX7 or COU-TX7.

Test point : TP26 (GND: E6)/YD-26 board Adjusting point : @FL3 (90° SIFT)/YD-26 board Specification :A=0+10mV

[For NTSC]

[For PAL]

=I i

ae Se

CCU-TX7 (E)V1 4-17

4-3-12. Y Output Level Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation

¢ §3 (Y 2nd AGCVYD-26 board > "ON"

Test point : TP11 (GND: E6)/YD-26 board Adjusting point : @RV9 (Y LEVEL)/YD-26 board Specification :A=700+7 mV p-p

4-4. CHROMA Cable Compensation System Adjustment

4-4-1. 45 MHz Carrier Level Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test poini : TP16 (GND: Adjusting point : @RV15 (C CARR YD-26 board Specification :A=400+20mVp-p (BW LIMIT/Oscilloscope >

E8)/YD-26 board LEVEL)/

"OFF" )

1. -18

'SAMPL GATE

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Avs OTPS SYNC SH

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RV13 RV14 AVIS OFFSET ADS PULSET CCARLEV

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RVI8 ou

CABLE LENGTH St

O o38

YD-26 Board (A SIDE)

CCU-TX7 (E)/V1

4-4-2. C PLL Set Adjustment

Note : Make sure that 45 MHz frequency on the YM-15 board (CA-TX7/TX7P) is correct.

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP15 (GND: E8VYD-26 board Adjusting point : @RV14 (PLL SET)/YD-26 board Specification :A=02+30mVdc

ANip

4-4-3. B-Y DEMOD Carrier Balance Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation :

¢ $4 (C 2nd AGC)/YD-26 board - "OFF"

Test point : TP17 (GND: E8)/YD-26 Adjusting point : @RV11 (B-Y CARR BAL)/ YD-26 board Specification -: Adjust so that the waveform SAMPLE pulse is maximum,

board

level of

yy

Maximum.

SAMPL GATE sampcsm - RV3

VE AGS 83

OO

5

6

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Tei2 O

$2 CABLE LENGTH 1 a

YD-26 Board (A SIDE)

CCU-TX7 (E)/V1 4-19

4-4-4. B-Y Crosstalk Adjustment

Note : Make sure that 45 MHz frequency on the YM-15 board (CA-TX7/TX7P) is correct.

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP17 (GND: E8)/YD-26 board Adjusting point : @RV13 (OFFSET ADJ)/YD-26 board Specification :A=0+3mV

4-4-5. C ist AGC Adjustment

Equipment : Oscilloscope To be extended : YD-26 board

Preparation :

• ¢ $1 (AUTO/MAND)/YD-26 board - "AUTO"

• ¢ S4(C 2nd AGCVYD-26 board > "OFF"

Test point : TP17 (GND: E8)/YD-26 board Adjusting point : @RV10 (C AGC CONT)/YD-26 board Specification :A=350+20mV

A

1. -20

2. -TX7 (EVV1

4-4-6. B-Y OUT Level Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Preparation : e $4 (C 2nd AGC)/YD-26 board > "ON" Test point : TP17 (GND: E8)/YD-26 board Adjusting point : @RV12 (B-Y LEVEL)/YD-26 board Specification :A=350+5mVp-p

4-4-7. R-Y DEMOD Carrier Balance Adjustment

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP18 (GND: E9)/YD-26 board Adjusting point : @RV16 (R-Y CARR BALY

YD-26 board

Adjust @RV 16 so that the negative DC level is maximum.

Specification

GND

Maximum

(Negative DC level) -

'SAMPL GATE

TP26 rz O TP10 §

fe}

YOFFSET ADS

<

Bee LVI

RV2 Avs OTPS aacksat SYNC SH

Te yuevecO Rvs

Oc6 Tei2 AVI O Lpvieve

OFFSET ADS

PALSET

$2 CABLE LENGTH

YD-26 Board (ASIDE) -

CCU-TX7 (E)V1 4-21

4-4-8. R-Y Crosstalk Adjustment

Note : Make sure that 45 MHz frequency on the YM-15 board (CA-TX7/TX7P) is correct.

Equipment : Oscilloscope To be extended : YD-26 board Test point : TP19 (GND: E9)/YD-26 board Adjusting point : @RV18 (90° SETVYD-26 board Specification :The SAMPLE pulse level should minimum. A=02+3mV

be

Ra

4-4-9. R-Y OUT Level Adjustment

Equipment To be extended Preparation :

• S4 (C 2nd AGCY/YD-26

Test point : TP19

Adjusting point : @RV17

Specification

Oscilloscope

YD-26 board

board > "ON" (GND: E9)/YD-26 board

(R-Y LEVEL)/YD-26 board

:A=350+5mV

| A

Vv

1. -22

2. -TX7 (EYV1

4-5. RETURN VIDEO Cable Compensation System Adjustment

4-5-1. Return Video Carrier Frequency Adjustment

Equipment : Spectrum analyzer To be extended : CT-181 board Preparation :

• Input 10 STEP signal (sub-carrier : OFF) of video signal generator to RETURN-I connector (75 Q termination, 1.0 V p-p) on the CCU-TX7/TX7P rear panel.

Test point : TP21 (GND: E12)/CT-181 board Adjusting point : @CV1 (RET FREQ)/CT-181 board ~ Specification -: 69.000 +0.005 MHz

SYNC

4-5-2. Return Video Deviation Adjustment

Equipment : Spectrum analyzer To be extended : CT-181 board Preparation :

• Input 10 STEP signal (sub-carrier : OFF) of video signal generator to RETURN-1 connector (75 Q termination, 1.0 V p-p) on the CCU-TX7/TX7P rear panel.

Test point : TP21 (GND: E12)/CT-181 board Adjusting point : @RV20 (RET DEV)/CT-181 board Specification :T=2.000 0.005 MHz

T

69.0MHz CENT FREQ: 69.0MHz FFEQ SPAN: 5.0MHz

69.0MHz CENT FREQ: 69.0MHz FFEQ SPAN: 5.0MHz

Note : Performe the adjustment of 4-5-1. "Return Video Carrier Frequency Adjustment" when the SYNC portion is moved during the adjustment.

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• PROMPT FREQ

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TP1001

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TP2005

• °

• CT-181 Board (A SIDE)

CCU-TX7 (E)\V1 4-23

4-6. PROMPT VIDEO Cable Compensation System Adjustment

4-6-1. TX PROMPT VIDEO Demodulation Adjustment

Note : When performing this adjustment, the TRIAX cable less than 300 m should be used.

Equipment : Waveform monitor, Video signal generator (10 STEP signal) To be extended : CT-181 board Preparation :

¢ $1 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P)

• "PROMPT" ¢ S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P)
• "PROMPT" ¢ Connect CN7 and CN3 on the CT-181 board. (CCU-TX7/ TX7P)

• $2002 (TX «+» RX)/CT-181 board (CCU-TX7/TX7P)

"TX"

• $1 (MODEAUTO/MAN)/YD-26 board (CCU-TX7/TX7P)

• "AUTO"

• Input 10 STEP signal (sub-carrier : OFF) of video signal generator to PROMPT VIDEO IN connector (75 Q termination, 1.0V p-p) on the CCU-TX7 /TX7P rear panel. Test point : PROMPTER OUT (CA-TX7/TX7P) Note : To measure the video level, make 75 Q termination on the waveform monitor side. Adjusting point: @RV21 (PROMPT DEV)/ CT-181 board Specification :A=140+6IRE [For NTSC] A= 1.00 £0.05 V [For PAL].

Note : After this adjustment is completed, set as follows.

• • S1 (MODE AUTO/MAN)/YD-26 board (CCU-TX7/TX7P) - "AUTO"

1. -24

2. -TX7 (E)/V1

4-6-2. RX PROMPT VIDEO Demod. Adjustment

Note :

Perform (PROMPT board. When performing 300 m should be used. Adjustment of CA-TX7/TX7P

this adjustment only when replacing @LV2 FREQ) or @LV3 (PROMPT TUNE)/CT-181

this adjustment,

the TRIX

cable less than

must be completed.

Equipment : Waveform monitor, Video signal generator (10 STEP signal) To be extended : CT-181 board Preparation :

• S1 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P)

"AUX" ¢ S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P)

• "AUX" ¢ Connect CN8 and CN3 on the CT-181board. (CCU-TX7/ TX7P)

• §2002 (TX <> RX)/CT-181 board (CCU-TX7/TX7P) = "RX"
• S1 (MODEAUTO/MAN)/YD-26 board (CCU-TX7/TX7P)

• "AUTO"

• Input the SWEEP signal of the video signal generator to PROMPTER OUT connector on the CA-TX7/TX7P rear panel. Test point : PROMPTER VIDEO IN connector (CCU-TX7/TX7P rear panel) Note : To measure the video level, make 75 Q termination on the waveform monitor side. Adjusting point : @LV2 (PROMPT FREQ)/ CT-181 board @LV3 (PROMPT TUNE)/ CT-181 board

Adjustment Procedure :

1. Observe the waveform monitor screen and adjust @LV3 (PROMPT TUNE)/CT-181 board so that the video waveform is appeared.

2. Adjust @LV2 (PROMPT FREQ)YCT-181 board so that the frequency response at 6 MHz portion is minimum.

3. Change the output signal of the video signal generator to 10 STEP (sub-carrier : ON) signal.

4. Re-adjust @LV3 (PROMPT TUNE)/CT-181 board so that the "A" portion at video waveform becomes flat. NOTE : If not met, Re-perform "4-6-2. RX PROMPT VIDEO Demod. Adjustment" after performing "4-6-3. RX PROMPT VIDEO RF AGC Adjustment".

Note : After the adjustment is completed, set the switches as follows.

¢ S1 (AUX/PROMRTY/YD-25 board (CA-TX7/TX7P)

• "PROMPT"

• S6 (AUX/PROMRT)Y/YD-25 board (CA-TX7/TX7P) . ; - "PROMPT"
• Connect CN7 and CN3 on the CT-181 board. (CCU-TX7/ _ TX7P)
• $2002 (TX < RX) switch/CT-181 board (CCU-TX7/TX7P)

• "TX"

CCU-TX7 (E)V1 4-25

4-6-3. RX PROMPT VIDEO RF AGC

Adjustment

Note : When performing this adjustment, the TRIAX cable 50 m to 150 m should be used. Adjustment of CA-TX7 /TX7P must be completed.

Equipment : Oscilloscope, Video signal generator (10 STEP signal) To be extended : CT-181 board Preparation : S1 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) => "AUX" S6 (AUX/PROMPT)YD-25 board (CA-TX7/TX7P)

• "AUX" Connect CN8 and CN3 on the CT-181 board. (CCU-TX7/ TX7P) $2002 (TX <> RX)YCT-181 board (CCU-TX7/TX7P)
• "RX" S1 (MODE AUTO/MAN)/YD-26 board (CCU-TX7/TX7P)
• "AUTO" Input the 10 STEP (sub-carrier : ON) signal of the video signal generator to PROMPTER connector on the CA-TX7/ TX7P rear panel. ¥ Test point : PROMPTER VIDEO IN connector (CCU-TX7/TX7P rear panel) Note : To measure the video level, make 75 Q termination on the waveform monitor side. Adjusting point : @RV22 (RF AGC DLY)/CT-181 board

Adjustment Procedure :

¢ Turn @RV22 (RF AGC DLY\CT-181 board fully in the clockwise direction, and then turn it slowly in the counterclockwise direction so that the V SYNC position of waveform becomes flat. (Take care not to over-turn.)

Note : After this adjustment is completed, set the switches as follows.

• ¢ SI (AUX/PROMPT)Y/YD-25 board (CA-TX7/TX7P) - "PROMPT"

• • S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) - "PROMPT" ¢ Connect CN7 and CN3 on the CT-181 board. (CCU-TX7/ TX7P)

• ¢ $2002 (TX < RX)/CT-181 board (CCU-TX7/TX7P) - "TX"

g [0] CN?Ko rx[01220£130 |rnowerar

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PAN Aeso TP2003 °° 'TP2005

$2002 | TUNEPROMPT tv3

nv23 LEVEL PROMPT

4-26

1 GAIN Mic Mic 2GAIN

C8860O SW1001

CCU-TX7 (E\V1

4-6-4. RX PROMPT VIDEO Level Adjustment

Note : When performing this adjustment, the TRIAX less than 300 m should be used. Adjustment of CA-TX7/TX7P must be completed.

Equipment : Oscilloscope, Video signal generator (10 STEP signal) To be extended : CT-181 board Preparation :

• ¢ S1 (AUX/PROMPTY)YD-25 board (CA-TX7/TX7P) - "AUX"

• ¢ S6 (AUX/PROMPTYYD-25 board (CA-TX7/TX7P) - "AUX"

• • Connect CN8 and CN3 on the CT-181 board. (CCU-TX7/ TX7P) * $2002 (TX - RX)/CT-181 board (CCU-TX7/TX7P) - "RX"
• • S1 MODE AUTO/MAN)YYD-26 board (CCU TX7/TX7P) - "AUTO"
• • Input the 10 STEP signal (sub-carrier : ON) of the video signal generator to PROMPTER OUT connector on the CA-TX7/TX7P real panel. ,

Test point : PROMPTER VIDEO IN connector (CCU-TX7/TX7P rear panel) Note : To measure the video level, make 75 Q termination on the waveform monitor side. Adjusting point : @RV23 (PROMPT LEVEL)/CT-181 board. A= 140+6 IRE [For NTSC] A= 1.00+0.05V [For PAL]

4-7. TRIAX Interface System Adjustment

4-7-1. Frequency Set Adjustment

Note : Check to see that no signal is input to the INCOM connector and PGM connector on the CCU-TX7/ TX7P rear panel or the CCU-TX7/TX7P front panel. Perform the adjustment only when replacing the following part on AA-90 board. LV1, 21, 41, 81, D2, 22, 42, 62

Equipment : Frequency counter, Digital voltmeter To be extended : AA-90 board

Adjustment Procedures :

1. Remove the ES-20 and CT-181 boards.

2. Turn on the power switch "ON".

3. AA-90 board (GND : El)

|_| Test point | Adj. point

oLvel 4.300 0.005 MHz oLv4t 3.600 +0.005 MHz ov 3.000 . +0.005 MHz o.v2t 2.500 +0.005 MHz

Specifications

INCOM

H CONT CCU DATA

Setting after Adjustment : Install the ES-20 and CT-181 boards back into position.

E130 Tp220

FREQPROMPT s a

$2002 TUNE PROMPT Lv3

Note : After this adjustment is completed, set the switches as follows.

• ¢ S1 (AUX/PROMPTYYD-25 board (CA-TX7/TX7P) - "PROMPT"

• • S6 (AUX/PROMPT)Y/YD-25 board (CA-TX7/TX7P) - "PROMPT" ¢ Connect CN7 and CN3 on the CT-181 board. (CCU-TX7/ TX7P)

• ¢ $2002 (TX < RX) /CT-181 board (CCU-TX-7/TX7P) = "TX"

Rv23 LEVEL PROMPT

§

CT-181 Board (A SIDE)

CCU-TX7 (EyV1 4-27

4-7-2. INCOM Deviation Adjustment

Equipment : Spectrum analyzer, Oscilloscope, Audio generator To be extended : AA-90 board Preparations :

1. INTERCOM CH1/CH2 switch (CA-TX7/TX7P side panel) - "CH-1"

2. INTERCOM LINE (CH1/PR1V/CH2) (CCU-TX7/TX7P) front panel - "CH-1 or CH-2" 3. $2002 (2W/RTS/4W)/AA-90 board (CCU-TX7/TX7P) => "4w"

3. Input the 400 Hz sine wave signal of the audio generator to pin 84 (X), pin 83 (Y) and pin 82 (GND)/extension board (AA-90 board). ¢ Fig-2 (Refer to 4-1-5. Audio connection.)

4. Adjust the output level of audio generator so that the level at TP43 (GND : E10)/AA-90 board is 220 mVp-p.

Test point : TP3 (GND : E1)/AA-90 board Adjustment point : @RV41 (INCOM DEV)/ AA-90 board _ Specifications :A=B=6.0 +0.2 kHz

4-7-3. PGM Deviation Adjustment

Equipment : Spectrum analyzer, Oscilloscope, Audio generator To be extended : AA-90 board Preparetions :

1. $2081 (0 dB/-20 dB)/AA-90 board (CCU-7X7/TX7P) - "0 dB"

2. Input the 350 Hz sine wave signal of the audio generator to pin 94 (X), pin 93 (Y) and pin 92 (GND)/extension board (AA-90 board). ¢ Fig-2 (Refer to 4-1-5. Audio connection.)

3. Adjust the output level of audio generator so that the level at TP44 (GND : E12)/AA-90 board is 220 mV p-p.

Test point : TPS (GND : E1)/AA-90 board Adjustment point : @RV81 (PGM DEV)/AA-90 board Specifications >:A=B=7.0 £0.4 kHz

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AA-90 Board (A SIDE)

CCU-TX7 (E\V1

4-7-4. INCOM Demodulation Adjustment

Note : Perform this adjustment only when replacing @T401/ AA-90 board.

Equipment : Oscilloscope, Audio generator To be extended : AA-90 board AFM-15 board (CA-TX7/TX7P) Preparetions :

1. Input the 1 kHz sine wave signal of the audio generator to pin 2 (GND : pin 1) of INTERCOM/PROGRAM connector (5 pin) on the CA-TX7/TX7P. « Fig-1 (Refer to 4-1-5. Audio connection.)

2. Adjust the output level control of audio generator so that the pin 24 (GND: pin 12) /AFM-15 board is 220 mV p-p.

Test point : TP14 (GND : E2)/AA-90 board

Adjustment Procedures :

1. Set the input range of oscilloscope to DC made. Adjust the white core of @T401/AA-90 board slowly so that the DC level at TP14 (GND : E2)/AA-90 board is 1.24 £0.01 V de.

4-7-5. INCOM Level Adjustment

Equipment : Oscilloscope, Audio generator To be extended : AA-90 board FM-15 board (CA-TX7/TX7P) Preparetion :

1. Input the 1 kHz sine wave signal of the audio generator to pin 2 (GND: pin 1) of INTERCOM/PROGRAM connector (5 pin) on the CA-TX7/TX7P. ¢ Fig-1 (Refer to 4-1-5. Audio connection.)

2. Adjust the output level control of audio generator so that the pin 24 (GND: pin 12) /AFM-15 board is 220 mV p-p.

Test point : TP15 (GND : E2)/AA-90 board Adjustment point : @RV401 (INCOM LEVEL)/ AA-90 board Specifications :A=220+10 mV p-p

1. Set the input range of oscilloscope to AC mode, and adjust the blue core of @T401/AA-90 board so that the sine wave is minimum.

2. Repeat procedure 1.

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AA-90 Board (A SIDE)

CCU-TX7 (E)V1 4-29

4-7-6. MIC 1 Demodulation Adjustment

Note : Perform this adjustment only when replacing @T201/ AA-90 board.

Equipment : Oscilloscope, Audio generator To be extended : AA-90 board Preparations :

1. AUDIO SELECT switch (CAMERA/CA-MIC/CA-LINE)/ CA-TX7/TX7P rear panel - "CA-LINE"

2. Input the 1 kHz sine wave signal of the audio generator to CH 1 of MIC IN (rear panel) on the CA-TX7/TX7P. ¢ Fig-2 (Refer to 4-1-5. Audio connection.) 3. Adjust the output level control of audio generator so that the pin 19 (GND: pin 12)/AFM-15 board is 220 mV p-p.

Test point : TP8 (GND : E2)/AA-90 board

Adjustment Procedures :

1. Adjust the white core of @T201/AA-90 board slowly so that the DC level at TP8 (GND : E2) /AA-90 board is 1.24 +0.01 V de.

4-7-7. MIC 1 Level Adjustment

Equipment

To be extended

Oscilloscope,

AA-90 board AFM-15 board

Audio generator

(CA-TX7/TX7P)

Preparations :

1. AUDIO SELECT switch (CAMERA/CA-MIC/CA-LINE)/ CA-TX7/TX7P rear panel '-"CA-LINE"

2. Input the 1 kHz sine wave signal of the audio generator to CH 1 of MIC IN (rear panel) on the CA-TX7/TX7P. * Fig-2 (Refer to 4-1-5. Audio connection.) 3. Adjust the output level control of audio generator so that the pin 19 (GND: pin 12) / AFM-15 board is 220 mV p-p. 4. S201 (0 dB/-20 dBV/AA-90 board - 0 dB Test point : TP10 (GND : E2)/AA-90 board Adjustment point : @RV201 (MIC 1 LEVEL)/ AA-90 board

1100 + 50 mV p-p

1.24 + 0.01 Vde

GND

2. Set the input range of oscilloscope to AC mode, and adjust the blue core of @T201/AA-90 board so that the sine wave is minimum.

Minimum

1. Repeat procedure 1.

2. -30

3. -TX7 (E\V1

4-7-8. MIC 2 Demodulation Adjustment

Note : Perform this adjustment only when replacing @T301/ AA-90 board.

Equipment : Oscilloscope, Audio generator To be extended : AA-90 board AFM-15 board (CA-TX7/TX7P) Preparations :

1. AUDIO SELECT switch (CAMERA/CA-MIC/CA-LINE)/ CA-TX7/TX7P - "CA-LINE"

2. Input the 1 kHz sine wave signal of the audio generator to CH 2 of MIC IN (rear panel) on the CA-TX7/TX7P. ¢ Fig-2 (Refer to 4-1-5. Audio connection.) 3. Adjust the output level control of audio generator so that the pin 17 (GND: pin 12)/AFM-15 board is 220 mV p-p.

Test point : TP11 (GND : E2)/AA-90 board

Adjustment Procedures :

1. Adjust the white core of @T301/AA-90 board slowly so that the DC level at TP11 (GND : E2) /AA-90 board is 1.24 +0.01 V de.

4-7-9. MIC 2 Level Adjustment

Equipment

To be extended

Oscilloscope,

AA-90 board AFM-15 board

Audio generator

(CA-TX7/TX7P)

Preparations :

1. AUDIO SELECT switch (CAMERA/CA-MIC/CA-LINE)/ CA-TX7/TX-7P - "CA-LINE"

2. Input the 1 kHz sine wave signal of audio generator to CH 2 of MIC IN (rear panel) on the CA-TX7/TX7P. ¢ Fig-2 (Refer to 4-1-5. Audio connection.) 3. Adjust the output level control of audio generator so that the pin 17 (GND: pin 12)/AFM-15 board is 220 mV p-p.

3. S301 (0 dB/-20 dB)/AA-90 board - "0 dB"

Test point : TP13 (GND : E2)/AA-90 board Adjustment point : @RV301 (MIC 2 LEVEL) . AA-90 board Specifications :A=1100+50mVp-p

1. • 0.01 Vde GND

2. Set the input range of oscilloscope to AC mode, and adjust the blue core of @T301/AA-90 board so that the sine wave is minimum.

Minimum

1. Repeat procedure 1.

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CCU-TX7 (E)/V1 4-31

DATA Demodulation Adjustment

4-7-10. CAM

Notes :

• ¢ This adjustment for the following cameras must be completed before this adjustment. [For NTSC] DXC-637 or DXC-D30 [For PAL] DXC-637P or DXC-30P

• • Perform the adjustment only when replacing @LV101 (5.6 MHz TUNE)/AA-90 board.

Equipment : Oscilloscope 20 MHz BW Limit : ON ee made :DC To be extended =: AA-90 board Test point TP6 (GND : E2)/AA-90 board Adjustment point : @LV101 (5.6 MHz TUNE) AA-90 board Specifications : -100 +40 mV dc

4-7-11. CAM TONE Adjustment

Notes:

¢ This adjustment for the Pollowinw cameras must be completed before this adjustment. [For NTSC] DXC-637 or DXC-D30 {For PAL] DXC-637P or DXC-30P

Equipment : Oscilloscope (DC mode) To be extended =: AA-90 board Test point : TP7 (GND : E2)/AA-90 board Adjustment point : @RV101 (TONE TUNE)/ AA-90 board

Adjustment Procedures :

1. @RV101 (TONE TUNE)/AA-90 board - "Mechanical center"

2. Turn @RV1I01 (TONE TUNE)/AA-90 board slowly clockwise and stop it at the point where the sine. wave signal just appears. Measure the DC voltage "a"---Fig-1

Equal (a) : Turn slowly clockwise

Mechanical center

3. Turn @RV101 (TONE TUNE)/AA-90 board slowly counterclockwise and stop it at the point where the sine wave signal just appears. Measure the DC voltage "b"---Fig-2

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Turn slowly counterclockwise

Equal (b)

4, Adjust the DC level with @RV101 (TONE TUNE)/AA- 90 board so that "a" is equal to "b"---Fig-3

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:

1. -32

2. -TX7 (E)/V1

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