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Sony CCU-TX7 Service Manual

Camera control unit camera operation unit cou-tx7 sdi output board dxbk-701
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CAMERA CONTROL UNIT
CCU-TX7
CCU-TX7P
CAMERA OPERATION UNIT
COU-TX7
SDI OUTPUT BOARD
DXBK-701
SERVICE MANUAL
Volume 1 1st Edition (Revised 2)

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  Summary of Contents for Sony CCU-TX7

  • Page 1 CAMERA CONTROL UNIT CCU-TX7 CCU-TX7P CAMERA OPERATION UNIT COU-TX7 SDI OUTPUT BOARD DXBK-701 SERVICE MANUAL Volume 1 1st Edition (Revised 2)
  • Page 2 électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement. CCU-TX7 (E)/V1...
  • Page 3 MANUAL STRUCTURE Purpose of this manual 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.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1. OPERATING INSTRUCTIONS 1-1. CCU-TX7/TX7P .................... 1-1 1-2. DXBK-701 ....................1-13 2. INSTALLATION 2-1. CONNECTORS AND CABLES ..............2-1 2-1-1. Connector Input/Output Signals ............. 2-1 2-1-2. Connection Connector ................2-4 2-1-3. Wiring Diagram for Cable ..............2-4 2-2.
  • Page 6 4-6. PROMPT VIDEO CABLE COMPENSATION SYSTEM ADJUSTMENT .................... 4-24 4-6-1. TX PROMPT VIDEO Demodulation Adjustment ....... 4-24 4-6-2. RX PROMPT VIDEO Demod. Adjustment ......... 4-25 4-6-3. RX PROMPT VIDEO RF AGC Adjustment ........4-26 4-6-4. RX PROMPT VIDEO Level Adjustment ..........4-27 CCU-TX7 (E)/V1...
  • Page 7 4-7-6. MIC 1 Demodulation Adjustment ............4-30 4-7-7. MIC 1 Level Adjustment ..............4-30 4-7-8. MIC 2 Demodulation Adjustment ............4-31 4-7-9. MIC 2 Level Adjustment ..............4-31 4-7-10. CAM DATA Demodulation Adjustment ..........4-32 4-7-11. CAM TONE Adjustment ..............4-32 CCU-TX7 (E)/V1...
  • Page 13 TALLY CABLE ALARM SHORT OPEN CALL CAMERA INTERCOM POWER LINE LINE PRIV PRIV INTERCOM INTERCOM PUSH POWER PUSH TALLY CABLE ALARM OPERATE OUTPUT GAIN TLCS SHORT OPEN LOCK HIGH PART BARS FULL SHUTTER SKIN M.GAMMA DETAIL CALL C.SCAN CAMERA INTERCOM DETAIL POWER LINE...
  • Page 14 C.SCAN OPERATE OUTPUT GAIN TLCS LOCK HIGH PART AUTO WHITE AUTO BARS FULL SHUTTER SKIN M.GAMMA DETAIL MANUAL BLACK MANUAL C.SCAN BLACK WHITE DETAIL WHITE/BLACK BALANCE AUTO WHITE AUTO MANUAL BLACK MANUAL BLACK WHITE KNEE MASTER IRIS BLACK AUTO AUTO PRESET MANUAL...
  • Page 15 AUTO MANUAL...
  • Page 16 PGM IN OUTPUT CAMERA VBS1 R/R-Y/C GENLOCK INPUT VBS2 G/Y/Y 75Ω B/B-Y 75Ω RETURN VIDEO SYNC SPARE 75Ω COAX MIC OUT 75Ω PROMPT VIDEO REMOTE WF MODE DC IN VBS1 R/R-Y/C INTERCOM/TALLY AC IN VBS2 G/Y/Y RS232C B/B-Y BREAKER SYNC SPARE GENLOCK 75Ω...
  • Page 17 CT-181 AA-90 YD-26 ES-20 SDI-44...
  • Page 18 PHASE PGM IN -20dB MIC 1 LEVEL -20dB MIC 2 LEVEL -20dB OUTPUT 1 MIC TEST R/G/B Y/R-Y/B-Y R TALLY OUTPUT 2 LEVEL IND CONTACT R/G/B POWER Y/R-Y/B-Y DC24V INTERCOM G TALLY CONTACT CLEAR POWER DC24V CLEAR MIC GAIN NORM NORM PANEL REMOTE...

  • Page 27: Connectors And Cables

    . B (BNC) : 700 mV p-p (EXTERNAL VIEW) . Y (BNC) : 1.0 V p-p . R-Y (BNC) : 700 mV p-p (for CCU-TX7) (0 dBu = 0.775 Vrms) : 525 mV p-p (for CCU-TX7P) Signal Specifications . B-Y (BNC)
  • Page 28 GND for +12.5 Vdc POWER +12.5 V DC OUT 10.6 V to 17.0 Vdc * : The units with the following Serial Nos. output the RM video out signal. Serial No. 13016 and higher (UC) Serial No. 42930 and higher (CE) CCU-TX7 (E)/V1...

  • Page 29: Front Panel

    Current drive RTS CH1 (X) IN/OUT Recomended Term. lmp.= 200 Z . DC IN (XLR 4P, MALE) (EXTERNAL VIEW) Signal Specifications GND for DC (+) (SPARE) — (SPARE) — DC (+) IN DC 10.5 V to 17 V CCU-TX7 (E)/V1...

  • Page 30: Connection Connector

    . When connecting plug to wave form monitor, make the (25P, FEMALE) plug as follow. WF MODE 1-560-343-11 plug, 4-pin male (4P, FEMALE) PLUG (4P) (Sony part No. 1-560-343-11) REMOTE 1-766-848-11 plug, 10-pin male, or (10P, FEMALE) CCA cable assembly CCA-7-5 (supplied with RCP-TX7) (50 m max.)

  • Page 31: Coax Connector

    RF cable 4. Do not put the unit in a place subject to excessive dust and mechanical shock. 5. Do not put the unit in a place subject to direct sunlight IO-140 board and light. 217.5 (Unit: mm) CCU-TX7 (E)/V1...

  • Page 32: Mounting On 19-Inch Rack

    1. Tighten the four rack mount screws. RMM-TXC7 B5 screws (60 mm or more long) 2. 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). Screws...

  • Page 33: Switch Functions On Board

    . S2002 (PROMPT SELECT TX/RX) TX : When selecting the TX mode, the CCU modulates CT-181 board 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. E1001 TP2006...
  • Page 34 Remarks 4-wire system 2-wire system RTS TW system (2CH) CH1 (CCU) 5 CH1 (RTS) CH2 (CCU) 5 CH2 (RTS) CH1 (CCU) 5 CH2 (RTS) CH2 (CCU) 5 CH1 (RTS) Clear-Com 1 ch system Clear-Com Clear-Com TW system Clear-Com CCU-TX7 (E)/V1...
  • Page 35 RTS system. Usually, this switch sets to OFF position because the RTS system has 200 Z termination. Factory setting : OFF . S2081 (PGM IN) This switch sets the PGM (program audio) level to 0 dBu or _20 dBu. Factory setting : 0 dBu CCU-TX7 (E)/V1...
  • Page 36 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 Cable length (center value) 100 m 300 m 500 m 700 m NOT IN USED 2-10 CCU-TX7 (E)/V1...
  • Page 37 . S800 (OUTPUT 1 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 1 connectors on the CCU rear panel. Factory setting : R-Y/Y/B-Y CCU-TX7 (E)/V1 2-11...
  • Page 38 . S5 (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 2-12 CCU-TX7 (E)/V1...
  • Page 39 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...

  • Page 41: Service Information

    (1) Removal of Front Panel board AA-90 board YD-26 board ES-20 board Front panel CN-1328 board CN-1350 board SW-892 board Switching regulator (COU-TX7) AU-234 board Loosen two coin screws Step shaft +K 3x6 Connector Connector AU-234 board Front panel CCU-TX7(E)/V1...

  • Page 42: Replacement Of Switching Regulator

    K 3x6 Bottom cover B 3x5 Connector (CN19) Connector (CN20) Rearpanel K 3x6 3. Remove six screws (B4x5) and switching regulator. B 4x5 B 4x5 B 4x5 Switching regulator 4. When installing a new switching regulator, reverse the above procedures. CCU-TX7(E)/V1...

  • Page 43: Replacement Of Fan

    Operation Unit” of service manual SECTION 1. Connector (CN28) Connector (CN19) Rearpanel K 3x6 Connector (CN20) 4. Remove six screws (B4x5) and switching regulator. B 4x5 B 4x5 B 4x5 Switching regulator 5. When installing a new switching regulator, reverse the above procedures. CCU-TX7(E)/V1...

  • Page 44: Board

    /output of each audio signals. 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(E)/V1...

  • Page 45: 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: 1 Coaxial connector converter : Sony part No. 1-750-881-11 2 Coaxial cable assembly : Sony part No. 1-765-112-12 3 BNC cable :...

  • Page 47: Adjustment

    4-1-1. Equipment Required CAUTION . When performing STAIR CASE adjustment, connect the . Oscilloscope (more than 300 MHz) WF MODE connector of CCU-TX7/TX7P rear panel to Tektronix 2465 or equivalent the remote control connector of waveform monitor with . Waveform monitor/Vectorscope the connecting cord.

  • Page 48: Connections

    CCU-TX7/TX7P (CAMERA OPERATION UNIT CAMERA COU-TX7/TX7P) ADAPTOR CA-TX7/TX7P Waveform monitor A-ch TRIAX CABLE (30~750m) Vector scope COLOR VIDEO CAMERA DXC-D30/D30P DXC-637/637P CCA-7 CABLE Color monitor RCP-TX7 Audio connections Audio generator Audio generator LEVEL LEVEL 600Z 600Z Fig-1 Fig-2 CCU-TX7 (E)/V1...

  • Page 49: Video Signal System Adjustment

    R MAT BAL RV511 RV509 R DC BAL TP503 R-Y GAIN RV510 R LEVEL RV502 B MAT BAL RV512 RV1000 RV514 LEVEL RV504 RV503 B DC BAL RV513 B LEVEL B-Y GAIN ADJ B-Y BLK BAL ES-20 Board (A SIDE) CCU-TX7 (E)/V1...

  • Page 50: H Phase Adjustment

    . Adjust the zoom control at "TELE" so that the white pattern . Input color bar signal of video signal generator to the feame matches the underscanned picture frame on the GENLOCK connector on the CCU-TX7/TX7P. screen. Test point : CH1 pin 78 (GND : pin 77)/ .

  • Page 51: Int Sc Phase Adjustment

    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 : .

  • Page 52: Y Out (Comp) Level Adjustment

    R MAT BAL RV509 RV511 R DC BAL RV510 TP503 R-Y GAIN R LEVEL RV502 B MAT BAL RV512 RV1000 RV514 LEVEL RV504 RV503 B DC BAL RV513 B LEVEL B-Y GAIN ADJ B-Y BLK BAL ES-20 Board (A SIDE) CCU-TX7 (E)/V1...

  • Page 53: G Level Adjustment

    : C = 700 ± 10 mV [For NTSC] 1RV503 Specification F = 525 ± 5 mV p-p C = 700 ± 10 mV [For PAL] 1RV504 [For NTSC] [For PAL] 3. Repeat procedure 1 and 2 several times. CCU-TX7 (E)/V1...

  • Page 54: R Level Adjustment

    R MAT BAL RV509 RV511 R DC BAL RV510 TP503 R-Y GAIN R LEVEL RV502 B MAT BAL RV512 RV1000 RV514 LEVEL RV504 RV503 B DC BAL RV513 B LEVEL B-Y GAIN ADJ B-Y BLK BAL ES-20 Board (A SIDE) CCU-TX7 (E)/V1...

  • Page 55: Wf Out R/B Dc Offset Adjustment

    ES-20 board so that the luminance point of black level is that of "G" even after the MONITOR SELECT button / located in the center of the vectorscope. RCP-TX7 is selected "R", "G" and "B". [For NTSC] [For PAL] : DC level ± 1 mV ("G") Specification 100% CCU-TX7 (E)/V1...

  • Page 56: Color Vector Adjustment

    (GND : pin 91) A = 525 ± 5 mV p-p pin 92 1RV811 100% B = 525 ± 5 mV p-p 1RV812 pin 90 R-Y OUT B-Y OUT 3. Repeat procedure 1 and 2 several times. 4-10 CCU-TX7 (E)/V1...

  • Page 57: Vbs Out Level Adjustment

    RV509 RV511 R DC BAL R-Y GAIN RV510 TP503 R LEVEL RV502 B MAT BAL RV512 RV1000 RV514 LEVEL RV504 RV503 B DC BAL RV513 B LEVEL B-Y GAIN ADJ B-Y BLK BAL ES-20 Board (A SIDE) CCU-TX7 (E)/V1 4-11...

  • Page 58: Wide Id Level Adjustment

    For details, refer to the DXC-D30WS/D30WSP operating instruction. Switch 16:9/4:3 to the 16:9 setting mode using the advanced menu page 9 of the DXC-D30WS/D30WSP. Adjustment point : 1RV1/DU-33 board (on the ES-20 board) DU-33 Board (A SIDE) 4-12 CCU-TX7 (E)/V1...

  • Page 59: Y Cable Compensation System Adjustment

    R-Y CARR BAL TP19 B-Y CARR BAL RV16 TP16 RV11 TP14 TP13 TP15 RV10 RV18 C AGC CONT 90° SET RV13 RV14 RV15 OFFSET ADJ PLL SET C CAR LEV CABLE LENGTH TP21 TP20 YD-26 Board (A SIDE) CCU-TX7 (E)/V1 4-13...

  • Page 60: Sync Sample Hold Pulse Width Adjustment

    To be extended : YD-26 board : T = 1.3 ± 0.1 µs Specification Test point : TP9 (GND: E2)/YD-26 board Adjusting point : 1RV6 (VCO DC SET)/YD-26 board : A = 0 ± 30 mV dc Specification 4-14 CCU-TX7 (E)/V1...

  • Page 61: Sample Pulse Width Adjustment

    R-Y CARR BAL TP19 B-Y CARR BAL RV16 RV11 TP16 TP14 TP13 TP15 RV10 RV18 C AGC CONT 90° SET RV13 RV14 RV15 OFFSET ADJ PLL SET C CAR LEV CABLE LENGTH TP21 TP20 YD-26 Board (A SIDE) CCU-TX7 (E)/V1 4-15...

  • Page 62: Mhz Carrier Level Adjustment

    Set AUTO/MANUAL switch to "MANUAL", and close the lens iris by IRIS control knob. . S3 (Y 2nd AGC)/YD-26 board → "OFF" Test point : TP11 (GND: E6)/YD-26 board Adjusting point : 1RV8 (Y CARR BAL)/YD-26 board Specification : A = maximum level 4-16 CCU-TX7 (E)/V1...

  • Page 63: Y Offset Adjustment

    Preparation : . Select the BARS mode on the RCP-TX7 or COU-TX7. Test point : TP26 (GND: E6)/YD-26 board Adjusting point : 1FL3 (90˚ SIFT)/YD-26 board : A = 0 ± 10 mV Specification [For NTSC] [For PAL] CCU-TX7 (E)/V1 4-17...

  • Page 64: Y Output Level Adjustment

    R-Y CARR BAL TP19 B-Y CARR BAL RV16 TP16 RV11 TP14 TP13 TP15 RV10 RV18 C AGC CONT 90° SET RV13 RV14 RV15 OFFSET ADJ PLL SET C CAR LEV CABLE LENGTH TP21 TP20 YD-26 Board (A SIDE) 4-18 CCU-TX7 (E)/V1...

  • Page 65: C Pll Set Adjustment

    R-Y CARR BAL TP19 B-Y CARR BAL RV16 TP16 RV11 TP14 TP13 TP15 RV10 RV18 C AGC CONT 90° SET RV13 RV14 RV15 OFFSET ADJ PLL SET C CAR LEV CABLE LENGTH TP21 TP20 YD-26 Board (A SIDE) CCU-TX7 (E)/V1 4-19...

  • Page 66: B-Y Crosstalk Adjustment

    : TP17 (GND: E8)/YD-26 board Adjusting point : 1RV13 (OFFSET ADJ)/YD-26 board Adjusting point : 1RV10 (C AGC CONT)/YD-26 board : A = 0 ± 3 mV : A = 350 ± 20 mV Specification Specification BLKG SYNC 4-20 CCU-TX7 (E)/V1...

  • Page 67: B-Y Out Level Adjustment

    R-Y CARR BAL TP19 B-Y CARR BAL RV16 RV11 TP16 TP14 TP13 TP15 RV10 RV18 C AGC CONT 90° SET RV13 RV14 RV15 OFFSET ADJ PLL SET C CAR LEV CABLE LENGTH TP21 TP20 YD-26 Board (A SIDE) CCU-TX7 (E)/V1 4-21...

  • Page 68: R-Y Crosstalk Adjustment

    Adjusting point : 1RV17 (R-Y LEVEL)/YD-26 board : A = 350 ± 5 mV Adjusting point : 1RV18 (90° SET)/YD-26 board Specification Specification : The SAMPLE pulse level should be minimum. A = 0 ± 3 mV 4-22 CCU-TX7 (E)/V1...

  • Page 69: Return Video Cable Compensation System Adjustment

    RETURN-1 connector (75 Z termination, 1.0 Equipment : Spectrum analyzer To be extended : CT-181 board V p-p) on the CCU-TX7/TX7P rear panel. Preparation : Test point : TP21 (GND: E12)/CT-181 board . Input 10 STEP signal (sub-carrier : OFF) of video signal Adjusting point : 1RV20 (RET DEV)/CT-181 board : T = 2.000 ±...

  • Page 70: Prompt Video Cable Compensation System Adjustment

    . S1 (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) . S2002 (TX ↔ RX)/CT-181 board (CCU-TX7/TX7P) → "TX" . S1 (MODE AUTO/MAN)/YD-26 board (CCU-TX7/TX7P) →...

  • Page 71: Rx Prompt Video Demod. Adjustment

    → "AUX" “4-6-3. RX PROMPT VIDEO RF AGC . S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) Adjustment”. → "AUX" . Connect CN8 and CN3 on the CT-181board. (CCU-TX7/ TX7P) . S2002 (TX ↔ RX)/CT-181 board (CCU-TX7/TX7P) → "RX" . S1 (MODE AUTO/MAN)/YD-26 board (CCU-TX7/TX7P) →...
  • Page 72 . S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) → "PROMPT" Video signal generator (10 STEP signal) To be extended : CT-181 board . Connect CN7 and CN3 on the CT-181 board. (CCU-TX7/ Preparation : TX7P) . S2002 (TX ↔ RX)/CT-181 board (CCU-TX7/TX7P) . S1 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) →...

  • Page 73: Rx Prompt Video Level Adjustment

    : Frequency counter, Digital voltmeter . S6 (AUX/PROMPT)/YD-25 board (CA-TX7/TX7P) To be extended : AA-90 board → "AUX" . Connect CN8 and CN3 on the CT-181 board. (CCU-TX7/ Adjustment Procedures : TX7P) 1. Remove the ES-20 and CT-181 boards. . S2002 (TX ↔ RX)/CT-181 board (CCU-TX7/TX7P) 2.

  • Page 74: Incom Deviation Adjustment

    2. Input the 350 Hz sine wave signal of the audio generator → "CH-1 or CH-2" (CCU-TX7/TX7P) front panel to pin 94 (X), pin 93 (Y) and pin 92 (GND)/extension 3. S2002 (2W/RTS/4W)/AA-90 board (CCU-TX7/TX7P) board (AA-90 board). → "4W" . Fig-2 (Refer to 4-1-5. Audio connection.) 4.

  • Page 75: Incom Demodulation Adjustment

    1.24 ± 0.01 V dc 2. Set the input range of oscilloscope to AC mode, and adjust the blue core of 1T401/AA-90 board so that the sine wave is minimum. Minimum 3. Repeat procedure 1. AA-90 Board (A SIDE) CCU-TX7 (E)/V1 4-29...

  • Page 76: Mic 1 Demodulation Adjustment

    1100 ± 50 mV p-p 1.24 ± 0.01 V dc 2. Set the input range of oscilloscope to AC mode, and adjust the blue core of 1T201/AA-90 board so that the sine wave is minimum. Minimum 3. Repeat procedure 1. 4-30 CCU-TX7 (E)/V1...

  • Page 77: Mic 2 Demodulation Adjustment

    1.24 ± 0.01 V dc 2. Set the input range of oscilloscope to AC mode, and adjust the blue core of 1T301/AA-90 board so that the sine wave is minimum. Minimum 3. Repeat procedure 1. AA-90 Board (A SIDE) CCU-TX7 (E)/V1 4-31...

  • Page 78: Cam Data Demodulation Adjustment

    Equal (a) Turn slowly counterclockwise Equal (b) (fig. 2) 4. Adjust the DC level with 1RV101 (TONE TUNE)/AA- 90 board so that "a" is equal to "b"⋅⋅⋅Fig-3 Equal (a) RV101 (A = B) Equal (b) (fig. 3) 4-32 CCU-TX7 (E)/V1...
  • Page 79 2 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set Ω µ 0.15 1.5 k voltmeter (0.75V) Earth Ground Fig A. Using an AC voltmeter to check AC leakage. CCU-TX7 (E)/V1...
  • Page 80 DXBK-701 (UC, CE) COU-TX7 (UC, CE) CCU-TX7 (UC) Printed in Japan Sony Corporation CCU-TX7P (CE) E 2003. 9 11 9-977-286-13 B&P Company ©1997...

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