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JVC KD-AVX55E Service Manual

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SERVICE MANUAL
2009
5 S ERVICE MANUAL
MA454<Rev.001>
KD-AVX55E, KD-AVX55EU, KD-AVX55EE,
KD-AVX55A, KD-AVX77J, KD-AVX77E,
KD-AVX77EU, KD-AVX77EE, KD-AVX77A
Only for KD-AVX77J
Only for KD-AVX77
COPYRIGHT © 2009 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28
DVD/CD RECEIVER
Except KD-AVX77J

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
Except KD-AVX77J
No.MA454<Rev.001>
2009/6

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Summary of Contents for JVC KD-AVX55E

  • Page 1: Table Of Contents

    SERVICE MANUAL DVD/CD RECEIVER MA454<Rev.001> 2009 5 S ERVICE MANUAL KD-AVX55E, KD-AVX55EU, KD-AVX55EE, KD-AVX55A, KD-AVX77J, KD-AVX77E, KD-AVX77EU, KD-AVX77EE, KD-AVX77A Only for KD-AVX77J Only for KD-AVX77 Except KD-AVX77J Except KD-AVX77J COPYRIGHT © 2009 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
  • Page 2 SPECIFICATION KD-AVX77J AMPLIFIER 20 W RMS × 4 Channels at 4 Ω and < or = 1% THD+N Power Output 80 dBA (reference: 1 W into 4 Ω) Signal-to-Noise Ratio 4 Ω (4 Ω to 8 Ω allowance) Load Impedance Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.3 kHz, 15 kHz...
  • Page 3 Profile HFP (Hands-Free Profile) 1.5 OPP (Object Push Profile) 1.1 A2DP (Advanced Audio Distribution Profile) 1.2 AVRCP (Audio/Video Remote Control Profile) 1.3 MONITOR Screen Size 5.4 inch wide liquid crystal display 576 000 pixels: 800 (horizontal) × 3 (RGB) × 240 (vertical) Number of Pixel Drive Method TFT (Thin Film Transistor) active matrix format...
  • Page 4 50 µV LW Tuner Sensitivity DVD/CD Signal Detection System Non-contact optical pickup (semiconductor laser) Frequency Response DVD, fs=48 kHz 16 Hz to 22 000 Hz DVD, fs=96 kHz 16 Hz to 44 000 Hz VCD/CD 16 Hz to 20 000 Hz Dynamic Range 93 dB Signal-to-Noise Ratio...

  • Page 5: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 6 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
  • Page 7 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.

  • Page 8: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. 1-8 (No.MA454<Rev.001>)

  • Page 9: Disassembly

    SECTION 3 DISASSEMBLY Main body (Used figure are KD-AVX77E) (5) Remove the two screws F attaching the Top chassis. (See Fig.4) 3.1.1 Removing the Top chassis with DVD mechanism (See Fig.1 to 4) (1) Remove the two screws A and two screws B attaching the Heat sink.
  • Page 10 (5) Remove the two screws J attaching the Wire bracket. (See Fig.7) Fig.7 Fig.10 (6) Disconnect connector wire from Rear bracket connected to 3.1.3 Removing the DVD mechanism (See Fig.11) connectors CN861, CN871, CN921, CN922, CN923 (1) Remove the three screws P attaching the DVD mecha- CN981 of the Main board.
  • Page 11 3.1.4 Removing the Connection board (See Fig.12) (1) Disconnect the card wire from DVD mechanism connected to connector CN395 of the Connection board. (2) Disconnect the connector wire from BT antenna connected to connector of RF module. (3) Remove the three screws Q attaching the Connection board.

  • Page 12: Fig.1 To

    DVD mechanism assembly section (4) Remove the five screws A attaching the Top cover assembly. (See Fig.3) 3.2.1 Removing the Traverse mechanism assembly (See Fig.1 to 6) (1) Solder the short land section on the flexible wire of pickup. (See Fig.1) Caution: * Solder the short land section on the flexible wire of pickup before disconnecting the flexible wire form the connector...
  • Page 13 (7) From the top side, pull up the traverse mechanism and disengage 3.2.3 Removing the Loading arm assembly (See Fig.8) three dumper positions. (See Fig.6) (1) Remove the Loading arm spring L from Loading arm assembly. (2) Slide to left side and then disengage hook a then hook b. Dumper (same color spring) hook...
  • Page 14 (2) Remove the two screws C attaching the Gear base assembly. 3.2.7 Removing the Slide cam assembly (See Fig.13) (See Fig.10) (1) Slide to backward the Slide cam assembly and the remove the Slide cam spring. (2) Slide to frontward the slide cam assembly, and then take out it.
  • Page 15 (2) Remove the A worm gear, M connect gear and M wheel gear by sequentially. (See Fig.16) A worm gear R middle gear Direction M connect gear M wheel gear R collar R R connect gear Slit washer Fig.16 (3) Remove the two screws G attaching the Loading motor. part (Se Fig.17) part...

  • Page 16: Adjustment

    SECTION 4 ADJUSTMENT Test instruments required for adjustment Standard volume position (1) Digital oscilloscope (100MHz) Balance and Bass &Treble volume : lndication"0" (2) Digital tester Loudness : OFF (3) Test Disc (4) Extension cable : EXTDV002-30P EXTSH002-22P EXTAV70X-50PF Dummy load (5) Extension stud : STDV001-3P Exclusive dummy load should be used for AM,and FM.
  • Page 17 Service mode 4.6.1 Service mode 1 (Indication of a service mode 1 is nothing.) Keep this state more 2 seconds while continuing pressing the [STANDBY/ON ATTENUATOR] button and [TOUCH PANEL EJECT] button sequentially. Screen indication Exchanging it operate a menu of a service mode with the [ ] button and [ ] button.
  • Page 18 4.6.2 Service mode 2 Set to service mode 2: [STANDBY/ON ATTENUATOR] [AREA 1] [AREA 5] [AREA 2] Screen indication SERVICE MODE 2 INITIALIZE ALL INITIALIZE INITIALIZE DVD INITIALIZE BT TOUCH PANEL CALIBRATION BACK TOUCH PANEL CHECK MODE Exchanging it operate a menu of a service mode with the [ ] button and [ ] button.
  • Page 19 4.6.3 Service mode 3 Set to service mode 3: [STANDBY/ON ATTENUATOR] [AREA 1] [AREA 5] [AREA 3] Screen indication SERVICE MODE 3 SERVICE MODE INITIALIZE ALL RUNNING MODE BACK Exchanging it operate a menu of a service mode with the [ ] button and [ ] button.
  • Page 20 4.6.4 Service mode 4 Set to service mode 4: [STANDBY/ON ATTENUATOR] [AREA 1] [AREA 5] [AREA 4] Screen indication SERVICE MODE 4 RDS MODE MONITOR S MODE HD RADIO S MODE BACK Exchanging it operate a menu of a service mode with the [ ] button and [ ] button.
  • Page 21 Error code tables 4.8.1 Mechanism error code Error contents Details Error code Detailed error code Disc loading error (3) D1 time out 0013 Eject error (3) B1 time out 0023 (4) C1 time out 0024 Error in loading wait Loading of a running mode 0031 Disc was pulled out in a wait.
  • Page 22 4.8.3 Error codes of panel mechanism PANEL ANGLE Panel Close Main body 10 degrees 20 degrees 30 degrees OPEN Open Error code Detail (Service mode) Open error 0A0001 1. Time out error by OPEN position cannot detect. Close error (ANGLE 1 error) 0B0006 1.
  • Page 23 Running mode In mecha In disc Indication Explanation Operation contents of 1 cycle error error Panel close → Panel open RUNNING1 MECHA Door mecha running 1 Panel close → Panel open → Panel detach position → Panel RUNNING2 MECHA Door mecha running 2 RETRY Retry angle 3 position →...
  • Page 24 R/W CHROMA Minimum Maximum Indication Initial value Detail value value 00000 Color amplitude revision ON/OFF 00001 Color amplitude revision CAS 00016 Color amplitude revision APC 00001 Color amplitude revision CUS 00010 Color amplitude revision APU 00000 00001 00001 Adjust Black level extension ON/OFF 00000 00001 00001...
  • Page 25 Minimum Maximum Indication Initial value Detail value value 00000 01023 00520 Adjust Contrast adjustment between the black - white (NTSC) 00000 01023 00520 Adjust Contrast adjustment between the black - white (PAL) 00000 00511 00359 Adjust Conversion coefficients from YUV to RGB (PRCL) 00000 00255 00227...
  • Page 26 Minimum Maximum Indication Initial value Detail value value 00000 00127 00035 Adjust Appoint gamma revision 2 gain B of the Green signal 00000 00063 00004 Adjust Adjustment gamma revision 2 point position of a Blue signal 00000 00127 00035 Adjust Appoint gamma revision 2 gain A of the Blue signal 00000 00127...
  • Page 27 Minimum Maximum Indication Initial value Detail value value 00000 00063 00001 Adjust Noise reduction setting (NTSC) 00000 00063 00001 Adjust Noise reduction setting (PAL) 00000 01023 00264 Adjust Quantity of brightness adjustment setting (NTSC) 00000 01023 00272 Adjust Quantity of brightness adjustment setting (PAL) 00000 00255 00178...

  • Page 28: Troubleshooting

    SECTION 5 TROUBLESHOOTING 16 PIN CORD DIAGRAM (For KD-AVX55E,EU,EE,KD-AVX77E,EU,EE) LOCKING THE WIRE WITH INSULOK GN/BK WH/BK CONNECTOR 16PIN MOLEX VI/BK GY/BK 300501-2 BL/WH OR/WH Gray Black DIMENSION CASE BR Brown VIEW TOP YG YellowGreen Blue White OR Orange VIEW SIDE...
  • Page 29 16 PIN CORD DIAGRAM (For KD-AVX55A, KD-AVX77A) Black Gray Brown Blue YellowGreen GN/BK WH/BK White Orange VI/BK GY/BK Violet Yellow Green BL/WH OR/WH OR/WH BL/WH GY/BK VI/BK WH/BK GN/BK (No.MA454<Rev.001>)1-29...
  • Page 30 16 PIN CORD DIAGRAM (For KD-AVX77J) LOCKING THE WIRE WITH INSULOK GN/BK WH/BK CONNECTOR 16PIN MOLEX VI/BK GY/BK WIRE CUT BL/WH OR/WH DIMENSION CASE Gray Black Brown VIEW TOP Blue YellowGreen White Orange VIEW SIDE Violet Yellow Green OR/WH BL/WH GY/BK VI/BK WH/BK...
  • Page 32 Victor Company of Japan, Limited Mobile Entertainment Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA454<Rev.001>) Printed in Japan...

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Kd-avx55euKd-avx55eeKd-avx55aKd-avx77jKd-avx77eKd-avx77eu ... Show all