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Sony CX-VX55 Service Manual
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Sony CX-VX55 Service Manual

Dvd receiver
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SERVICE MANUAL

Ver. 1.3 2005. 10
• CX-VX55/VX77 are DVD receiver
in AVJ-X55/X77.
Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic",
and the double-D symbol are trademarks of Dolby Laboratories.
Confidential Unpublished works. Copyright 1992–1997 Dolby
Laboratories. All rights reserved.
Manufactured under license from Digital Theater Systems, Inc. US Pat. No.
5,451,942 5,956,674, 5,974,380, 5,978,762 and other worldwide patents
issued and pending. "dts" and "DTS Digital Surround" are registered
trademarks of Digital Theatre Systems, Inc. Copyright 1996, 2000 Digital
Theater Systems, Inc. All rights reserved.
General
Power supply
220 – 240 V AC, 50/60 Hz
Power consumption
100 W, No more than 1 W
(220 – 240 V AC)
(at the power saving mode)
Mass
4.9 kg
External dimensions
430 × 70 × 370.5 mm
(W × H × D)
Operating conditions
Temperature:
5 – 35°C
Operation status:
Horizontal
Operating humidity
5 – 85%
CD/DVD
Laser
Semiconductor laser,
wavelength 650 nm
for VCD and DVD,
wavelength 780 nm for CD
Emission duration
Continuous
Signal system
CX-VX55:
PAL 625/50, NTSC 525/60
(AEP, UK, CET, E3)
NTSC 525/60 (E41)
PAL, NTSC (AUS, SP, RU)
CX-VX77: PAL, NTSC
Frequency response
2 Hz – 20 kHz (±1.0 dB)
(audio)
Signal-to-noise ratio
More than 75 dB
(audio)
(1 kHz, NOP,
20 kHz LPF/A-Filter)
Dynamic range (audio) More than 70 dB
Harmonic distortion
0.5% (1 kHz, at 12 W position)
(audio)
(20 kHz LPF/A-Filter)
Sony Corporation
9-879-239-04
2005J04-1
Personal Audio Division
© 2005. 10
Published by Sony Engineering Corporation
CX-VX55/VX77
Photo: CX-VX55
SPECIFICATIONS
Video
Inputs
VIDEO (AUDIO IN):
MIC (phone jacks):
SCART (AUDIO IN):
Video output
S VIDEO OUT
COMPONENT VIDEO OUT
AEP Model
UK Model
Australian Model
Model Name Using Similar Mechanism
Sensitivity: 800 mV
Impedance: 50 kilohms
Sensitivity: 4 mV
Impedance: 10 kilohms
AEP, UK, CET, RU model:
Sensitivity: 800 mV
Impedance: 50 kilohms
1.0 V (p-p), 75 Ω,
negative sync., RCA jack
AEP, UK, CET, RU model:
EURO AV (TO TV)
E3, E41, AUS, SP model:
(Y) 1.0 V (p-p), 75 ohms,
negative sync.,
Mini DIN 4-pin × 1
(C) 0.286 V (p-p), 75 ohms
E3, E41, AUS, SP model:
(Y) 1.0 V (p-p), 75 ohms,
negative sync., RCA jack × 1
(P
/C
)/(P
/C
) 0.7 V (p-p),
B
B
R
R
75 ohms, RCA jack × 2
– Continued on next page –
DVD RECEIVER
E Model
CX-VX33
1

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Summary of Contents for Sony CX-VX55

  • Page 1: Service Manual

    SERVICE MANUAL AEP Model UK Model Ver. 1.3 2005. 10 E Model Australian Model • CX-VX55/VX77 are DVD receiver Photo: CX-VX55 in AVJ-X55/X77. Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic”, Model Name Using Similar Mechanism CX-VX33 and the double-D symbol are trademarks of Dolby Laboratories.
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    CX-VX55/VX77 Ver. 1.1 TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of procedures 1. GENERAL other than those specified herein may result in hazardous Front Panel Controls ..............4 radiation exposure. Display Window Indicators ............. 5 Remote Control ............... 6 Rear Panel Connections (AEP, UK, CET, RU Model) ....

  • Page 4: General

    CX-VX55/VX77 SECTION 1 GENERAL This section is extracted from instruction manual. Front Panel Controls @ / 1 (POWER) indicator STOP (x) Stops playback of a disc. Switches the DVD Receiver ON and OFF. STANDBY indicator PAUSE (X) Lights red when the receiver Pause playback of a disc temporarily.

  • Page 5: Display Window Indicators

    CX-VX55/VX77 Display Window Indicators Playing status. Repeat playback mode indicators. Indicates the unit is radio mode. Indicates the unit is stereo mode. Lights up when the DVD Receiver tunes in a station. CD disc inserted. MP3 disc inserted. VCD2.0 disc inserted.

  • Page 6: Remote Control

    CX-VX55/VX77 Remote Control OPEN/CLOSE TV @ / 1 Opens and closes the disc tray. Switches TV ON and OFF. TV/VIDEO @ / 1 Switches DVD Receiver ON and OFF. Selects the TV’s source. DISPLAY 0-9 numerical buttons To display remaining time between Selects numbered options in a menu.

  • Page 7: Rear Panel Connections (Aep, Uk, Cet, Ru Model)

    CX-VX55/VX77 AEP, UK, CET, RU MODEL Rear Panel Connections AC Power Cord Plug into the power source. EURO AV OUTPUT (TO TV) Connect to your TV set. MONITOR OUT (VIDEO) Connect to a TV with video input. VIDEO (AUDIO IN R/L) Connect the audio output of an external source (VCR, LD player, etc).

  • Page 8: Rear Panel Connections (E3, E41, Aus, Sp Model)

    CX-VX55/VX77 E3, E41, AUS, SP MODEL Rear Panel Connections AC Power Cord Plug into the power source. SPEAKER CONNECTORS Connect the six supplied MONITOR OUT (VIDEO) speakers to these terminals. Connect to a TV with video input. VIDEO (AUDIO IN L/R) Connect the audio output of an external source (VCR, LD player, etc).

  • Page 9: Disassembly

    CX-VX55/VX77 Ver. 1.1 SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. 2-1. TOP COVER (Page 9) 2-2. FRONT PANEL ASSY 2-4. REAR PANEL SECTION (Page 10) (Page 11) 2-3. DVD MECHANISM DECK 2-5.

  • Page 10: Front Panel Assy

    CX-VX55/VX77 Ver. 1.1 2-2. FRONT PANEL ASSY 1 two screws 2 shield (barrier) 3 PN202 (5P) 6 Remove the ferrite core attached to the power cord. 8 claw qa claw 4 PN101 (23 core) 7 claw 5 PN102 (24 core)

  • Page 11: Rear Panel Section

    CX-VX55/VX77 Ver. 1.1 2-4. REAR PANEL SECTION 4 screw 5 two screws 6 two screws 3 PN103 (12 core) 7 three screws 8 screw 9 rear panel section 1 Pull up the two claws pressing the power cord. 2 PN901 (2P) 2-5.

  • Page 12: Dvd Board

    CX-VX55/VX77 Ver. 1.1 2-6. DVD BOARD 2 two screws 1 two screws CN902 CN901 3 SMPS board 2-7. MAIN BOARD 2 screw 1 two screws 3 screw (+BVTP 3 × 10) 4 MAIN board...

  • Page 13: Base Unit

    CX-VX55/VX77 Ver. 1.1 2-8. BASE UNIT 1 two drawing screws 2 holder assy 8 two rubbers 6 two drawing screws 7 two drawing screws 9 two rubbers 0 base unit 5 tray assy 3 guide...

  • Page 14: Electrical Troubleshooting Guide

    CX-VX55/VX77 Ver. 1.1 SECTION 3 ELECTRICAL TROUBLESHOOTING GUIDE 3-1. AUDIO PART 1. Power check flow INSERT POWER CORD. TURN ON CHECK POWER PLUG THE RED LED? AND POWER SUPPLY CIRCUIT . TURN POWER ON. IS POWER ON? CHECK POWER SUPPLY CIRCUIT .
  • Page 15 CX-VX55/VX77 Ver. 1.1 2. AUDIO µ.COM CIRCUIT POWER ON Does other function Does CD/DVD name appear at FLD? appear at FLD? Does it appear Does LOADING DVD Error at appear at FLD? FLD? Check Does no Disc or Connector(PN902)if Reconnect it.
  • Page 16 CX-VX55/VX77 Ver. 1.1 3. FRONT CIRCUIT (1/2)
  • Page 17 CX-VX55/VX77 Ver. 1.1 4. FRONT CIRCUIT (2/2)

  • Page 18: Dvd Part

    CX-VX55/VX77 Ver. 1.1 3-2. DVD PART 1. Power check flow Does other function name appear at FLD? PDM02 PDM01 PDA02 PDA03 PDA01...
  • Page 19 CX-VX55/VX77 Ver. 1.1 2. Test & debug flow...
  • Page 20 CX-VX55/VX77 Ver. 1.1...
  • Page 21 CX-VX55/VX77 Ver. 1.1...
  • Page 22 CX-VX55/VX77 Ver. 1.1...
  • Page 23 CX-VX55/VX77 Ver. 1.1...
  • Page 24 CX-VX55/VX77 Ver. 1.1...

  • Page 25: Details And Waveforms On System Test And Debugging

    CX-VX55/VX77 Ver. 1.1 3-3. DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING 1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL 1) MT1379 main clock is at 27MHz (X501) 2) MT1336 reset is high active...
  • Page 26 CX-VX55/VX77 Ver. 1.1 3) RS232 waveform during procedure (Downloading) 4) Flash R/W enable signal during download (Downloading)
  • Page 27 CX-VX55/VX77 Ver. 1.1 2. SDRAM CLOCK 1) MT1379 main clock is at 27MHz (X501) 3. TRAY OPEN/CLOSE SIGNAL 1) Tray open/close waveform...
  • Page 28 CX-VX55/VX77 Ver. 1.1 2) Tray close waveform 3) Tray open waveform...
  • Page 29 CX-VX55/VX77 Ver. 1.1 4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) 5. LENS CONTROL RELATED SIGNAL (NO DISC CONDITION)
  • Page 30 CX-VX55/VX77 Ver. 1.1 6. LASER POWER CONTROL RELATED SIGNAL (NO DISC CONDITION) 7. DISC TYPE JUDGEMENT WAVEFORM...
  • Page 31 CX-VX55/VX77 Ver. 1.1...
  • Page 32 CX-VX55/VX77 Ver. 1.1 8. FOCUS ON WAVEFORM...
  • Page 33 CX-VX55/VX77 Ver. 1.1 9. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)
  • Page 34 CX-VX55/VX77 Ver. 1.1 10. TRACKING CONTROL RELATED SIGNAL (SYSTEM CHECKING)
  • Page 35 CX-VX55/VX77 Ver. 1.1 11. RF WAVEFORM 12. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF)
  • Page 36 CX-VX55/VX77 Ver. 1.1 13. MT1379 VIDEO OUTPUT WAVEFORM 1) Full colorbar signal (CVBS) 2) Y...
  • Page 37 CX-VX55/VX77 Ver. 1.1 3) C 14. AUDIO OUTPUT FORM AUDIO DAC 1) Audio related Signal...

  • Page 38: Test Mode

    CX-VX55/VX77 Ver. 1.1 SECTION 4 TEST MODE DVD Processor Reset Procedure: 1. Press the DVD SETUP key on the remote commander to enter the set up screen. The following SET UP menu is dis- played. 2. Move the cursor to [TV Aspect,16:9 Wide] on the screen.

  • Page 39: Electrical Adjustment

    CX-VX55/VX77 Ver. 1.1 SECTION 5 ELECTRICAL ADJUSTMENT [RFMON Level Check] Connection: oscilloscope DVD board PDM01 pin 2 (RFOUT) – PDM01 pin 6 (GND PD) Procedure: 1. Connect an oscilloscope to PDM01 pin 2 (RFOUT) and PDM01 pin 6 (GND PD) on the DVD board.
  • Page 40 CX-VX55/VX77 Ver. 1.1 MEMO...

  • Page 41: Diagrams

    CX-VX55/VX77 Ver. 1.1 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM — DVD SECTION — IC201 OPTICAL Q501 CD/DVD RF AMP, PICK-UP SERVO CONTROL BLOCK RF OUT 96 DVDRFIP IC501 MPEG & VIDEO PROCESS IC5C1 E3,E41,AUS,SP MODEL RFOP RFIP DVD VIDEO DRIVE...

  • Page 42: Block Diagram -Audio Section

    CX-VX55/VX77 Ver. 1.1 6-2. BLOCK DIAGRAM — AUDIO SECTION — IC301 IC502 DIGITAL AUDIO PROCESSOR HEADPHONE AMP Q503 JK001 PWMHPL+ R-CH MUTE PHONES PWMHPL– 45 PWMHPR+ R-CH PWMHPR– 40 R-CH Q609,983 MUTE TUNER/POWER MUTE CONTROL SECTION (Page 43) IC710 ADATA0...

  • Page 43: Block Diagram -Tuner/Power Section

    CX-VX55/VX77 Ver. 1.1 6-3. BLOCK DIAGRAM — TUNER/POWER SECTION — AUDIO MUTE PN103 SECTION (Page 42) T AUDIO L OUT AUDIO D921 SECTION AUDIO P.SENS T AUDIO R OUT (Page 42) R-CH IC101 SECTION (3/3) (Page 42) SYSTEM CONTROL,FL DRIVER 5.6VCPU...
  • Page 44 CX-VX55/VX77 Ver. 1.1 • Circuit Boards Location • Waveforms — DVD Board — — MAIN Board — DVD board MOTOR board IC201 qk (FEO) IC101 qh (CF2) JACK (AUDIO) board MAIN board 0.2Vp-p 1.6Vp-p 9.8304MHz 100mV/DIV, 1ms/DIV 1V/DIV, 10ns/DIV IC201 wa (TEO)

  • Page 45: Printed Wiring Boards -Dvd Section (1/2)

    CX-VX55/VX77 Ver. 1.1 6-4. PRINTED WIRING BOARDS — DVD SECTION (1/2) — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. DVD BOARD (SIDE A) C519 C518 TP553 R735 R737 TP_URB# R521 E3,E41,AUS,SP TP_UWR# R522 MODEL...

  • Page 46: Printed Wiring Board -Dvd Section (2/2)

    CX-VX55/VX77 Ver. 1.1 6-5. PRINTED WIRING BOARD — DVD SECTION (2/2) — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. DVD BOARD (SIDE B) (D/L PORT) C5C9 C555 TP505 TP515 C5C2 TP514 TP520 TP506 TP517...

  • Page 47: Schematic Diagram -Dvd Section (1/3)

    CX-VX55/VX77 Ver. 1.1 6-6. SCHEMATIC DIAGRAM — DVD SECTION (1/3) — • Refer to page 44 for Waveforms. R256 R201 RVCC C281 TP224 C280 R257 Q201 C206 C201 R202 C291 R203 Q203 C279 Q202 C251 PDM01 R255 R209 R204 R254...

  • Page 48: Schematic Diagram -Dvd Section (2/3)

    CX-VX55/VX77 Ver. 1.1 6-7. SCHEMATIC DIAGRAM — DVD SECTION (2/3) — • Refer to page 44 for Waveforms and page 63 for IC Block Diagrams. IC B/D R570 L502 C583 C528 C534 C582 C527 C555 C563 L501 C532 C533 C531...

  • Page 49: Schematic Diagram -Dvd Section (3/3)

    CX-VX55/VX77 Ver. 1.1 6-8. SCHEMATIC DIAGRAM — DVD SECTION (3/3) — R617 PDA02 R618 (Page 48) R616 R619 R620 R621 (Page 54) (Page 48) PDA03 (Page 48) (Page 47) (Page 54) (Page 48) (Page 48) PDA01 L604 (Page 47) C641...

  • Page 50: Printed Wiring Board -Main Section (1/2)

    CX-VX55/VX77 Ver. 1.1 6-9. PRINTED WIRING BOARD — MAIN SECTION (1/2) — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. MAIN BOARD (SIDE A) AEP,UK,CET,RU MODEL C796 AEP,UK,CET,RU MODEL R150 C797 R146 C842 R152 R153...

  • Page 51: Printed Wiring Board -Main Section (2/2)

    SMPS BOARD D801 Q701 FAN901 CN901 CN902 DC FAN (Page 61) (Page 61) ) : CX-VX55: E41 model only < > : AEP, UK, CET model only ] : AEP, UK, CET, RU model only )) : CX-VX77 only CX-VX55/VX77...

  • Page 52: Schematic Diagram -Main Section (1/5)

    CX-VX55/VX77 Ver. 1.1 6-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/5) — • Refer to page 44 for Waveforms. PN105 (Page 55) D105 R120 (Page 55) PN102 R125 (Page 54) R100 R101 (Page 58) R102 PN103 R103 R104 R105 R154 R106...

  • Page 53: Schematic Diagram -Main Section (2/5)

    CX-VX55/VX77 Ver. 1.1 6-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/5) — • Refer to page 63 for IC Block Diagrams. JK601 C554 R578 FB604 R566 C561 FB605 R568 R574 FB603 C550 C515 IC502 R570 C562 R575 C548 FB611 R660 FB508...

  • Page 54: Schematic Diagram -Main Section (3/5)

    CX-VX55/VX77 Ver. 1.1 6-13. SCHEMATIC DIAGRAM — MAIN SECTION (3/5) — • Refer to page 44 for Waveforms and page 63 for IC Block Diagrams. R208 IC B/D (Page 53) (Page 56) IC202 R345 R213 PN202 R209 R211 C216 C217...

  • Page 55: Schematic Diagram -Main Section (4/5)

    CX-VX55/VX77 Ver. 1.1 6-14. SCHEMATIC DIAGRAM — MAIN SECTION (4/5) — • Refer to page 64 for IC Block Diagrams. IC B/D IC770 L874 C774 C771 C786 C877 C874 L770 R772 C878 R787 R876 R877 R788 R771 C785 (Page 56)

  • Page 56: Schematic Diagram -Main Section (5/5)

    CX-VX55/VX77 Ver. 1.1 6-15. SCHEMATIC DIAGRAM — MAIN SECTION (5/5) — (Page 55) (Page 55) PN901 Q971 (Page 54) R972 C901 Q975 R973 C900 C974 (Page 62) C990 ZD973 C991 L900 C973 C989 ZD971 ZD972 (Page 53) Q972 C975 R980...

  • Page 57: Printed Wiring Board -Display Section

    CX-VX55/VX77 Ver. 1.1 6-16. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. DISPLAY BOARD (SIDE A) R036 R037 R035 R034 R033 R032 R031 R030 R029 R038 C005 R042...

  • Page 58: Schematic Diagram -Display Section

    CX-VX55/VX77 Ver. 1.1 6-17. SCHEMATIC DIAGRAM — DISPLAY SECTION — VFD001 PN002 (Page 52) R030 R031 R032 R033 R034 R035 R036 R037 R038 SW001 SW002 SW003 SW004 SW005 SW006 SW007 C010 C009 Q001 R029 PN001 R043 PN003 R039 R040 (Page 60)

  • Page 59: Printed Wiring Board -Key Section

    CX-VX55/VX77 Ver. 1.1 6-18. PRINTED WIRING BOARD — KEY SECTION — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. KEY BOARD (SIDE A) R072 R071 R068 C065 R070 R067 R069 C062 R066 R064 R065 R053...

  • Page 60: Schematic Diagram -Key Section

    CX-VX55/VX77 Ver. 1.1 6-19. SCHEMATIC DIAGRAM — KEY SECTION — • Refer to page 64 for IC Block Diagrams. IC B/D LD001 PN004 IC001 C071 SW008 (Page 58) R059 PN005 C069 C064 IC002 R055 R072 R073 C051 R054 R060 C068...

  • Page 61: Printed Wiring Board -Power Section

    CX-VX55/VX77 Ver. 1.1 6-20. PRINTED WIRING BOARD — POWER SECTION — • Refer to page 44 for Circuit Boards Location. : Uses unleaded solder. (Page 51) (Page 51) MAIN BOARD MAIN BOARD PN901 PN902 SMPS BOARD CN901 CN902 C936 D928...

  • Page 62: Schematic Diagram -Power Section

    CX-VX55/VX77 Ver. 1.1 6-21. SCHEMATIC DIAGRAM — POWER SECTION — D921 T901 C922 D922 L921 CN902 C923 C928 IC921 C932 D929 C937 R934 C905 R901 BD901 C924 C929 C933 C936 C938 C904 D928 (Page 56) R909 D923 IC922 IC924 D901...

  • Page 63: Ic Block Diagrams

    CX-VX55/VX77 Ver. 1.1 • IC Block Diagrams IC5C1 MM1623XFBE (DVD BOARD (2/3)) VCC1 S-DC OUT VCC2 150kΩ S1/S2 BIAS 200Ω S-DCOUT MUTE1 75Ω COUT DRIVER -6dB 6.75MHz CLAMP CVBSIN YCMIX 75Ω CVBSOUT DRIVER 6.75MHz GND2 CLAMP 75Ω YOUT DRIVER 6.75MHz GND1 6.75MHz...
  • Page 64 CX-VX55/VX77 Ver. 1.1 IC710 STA-508 (MAIN BOARD (4/5)) IC730 STA-508 (MAIN BOARD (4/5)) IC750 STA-508 (MAIN BOARD (4/5)) IC770 STA-508 (MAIN BOARD (4/5)) NC 18 GND_CLEAN OUT1A GND_REG OUT1A VCC1A GND1A IBIAS GND1B CONFIG VCC1B PWRDN TRI_STATE OUT1B OUT1B FAULT...
  • Page 65 CX-VX55/VX77 Ver. 1.1 • IC Pin Description IC301 PS9818 (DIGITAL AUDIO PROCESSOR) (MAIN BOARD (3/5)) Pin No. Pin Name Pin Description IO_VSS — I/O digital ground PLL_DVSS — PLL digital ground PLL_DVDD — PLL peripheral digital power supply (+2.5 V)
  • Page 66 CX-VX55/VX77 Ver. 1.1 Pin No. Pin Name Pin Description IO_VSS — I/O digital ground PWM4_M Negative PWM output of channel 4. PWM4_P Positive PWM output of channel 4. IO_VSS — I/O digital ground PWM5_M Negative PWM output of channel 5.

  • Page 67: Exploded Views

    CX-VX55/VX77 Ver. 1.1 SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied.

  • Page 68: Boards Section

    CX-VX55/VX77 Ver. 1.1 7-2. BOARDS SECTION not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied supplied not supplied not supplied not supplied TM301 DVD mechanism deck not supplied not supplied not supplied not supplied...

  • Page 69: Dvd Mechanism Section

    CX-VX55/VX77 Ver. 1.3 7-3. DVD MECHANISM SECTION supplied supplied M701 106 107 M703 supplied The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No.

  • Page 70: Electrical Parts List

    CX-VX55/VX77 Ver. 1.2 SECTION 8 DISPLAY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 71 CX-VX55/VX77 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark KEY BOARD FB605 9-885-058-23 FILTER (CIRC), EMC (E3,E41,AUS,SP) FB606 9-885-058-23 FILTER (CIRC), EMC ********** FB607 9-885-058-23 FILTER (CIRC), EMC < IC > FB612 9-885-058-23 FILTER (CIRC), EMC (AEP,UK,CET,RU)
  • Page 72 CX-VX55/VX77 Ver. 1.1 MAIN SMPS Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark PN202 9-885-073-74 CONNECTOR (CIRC), WAFER 5P CN902 9-885-073-93 CONNECTOR (CIRC), BOARD TO BOARD 10P PN800 9-885-073-71 CONNECTOR (CIRC), HOUSING 2P CN903 9-885-073-76 CONNECTOR (CIRC), WAFER 10P...
  • Page 73 CX-VX55/VX77 Ver. 1.1 SMPS Ref. No. Part No. Description Remark Q921 8-729-043-89 TRANSISTOR KTC3205Y Q922 8-729-040-76 TRANSISTOR KTA1273-Y-AT < TRANSFORMER > 0 T901 9-885-073-79 TRANSFORMER, SMPS (COIL) 0 T902 9-885-073-77 TRANSFORMER, SMPS (COIL) < THERMISTOR > 0 TH901 9-885-055-61 THERMISTOR 4.0OHM <...
  • Page 74 CX-VX55/VX77 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004. 10 Addition of Disassembly, Electrical Troubleshooting Guide, Diagrams 2004.

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