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JVC KD-ADV49J Service Manual

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SERVICE MANUAL
2008
3 S ERVICE MANUAL
MA401<Rev.001>
KD-ADV49J, KD-AVX44J, KD-AVX44C,
KD-AVX44E, KD-AVX44EU, KD-AVX44EE,
KD-AVX44U, KD-AVX44UT, KD-AVX44A,
KD-AVX22E, KD-AVX22EU, KD-AVX22EE
COPYRIGHT © 2008 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35
DVD/CD RECEIVER
KD-AVX49JC / KD-AVX44JC

TABLE OF CONTENTS

COPYRIGHT © 2008 Victor Company of Japan, Limited
KD-AVX44E / KD-AVX22E
KD-ADV49J/C
KD-AVX44J/C
KD-AVX44E
KD-AVX44EE
KD-AVX44U
KD-AVX44UT
KD-AVX44A
KD-AVX44EE
KD-AVX22EE
No.MA401<Rev.001>
2008/3

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Summary of Contents for JVC KD-ADV49J

  • Page 1: Table Of Contents

    SERVICE MANUAL DVD/CD RECEIVER MA401<Rev.001> 2008 3 S ERVICE MANUAL KD-ADV49J, KD-AVX44J, KD-AVX44C, KD-AVX44E, KD-AVX44EU, KD-AVX44EE, KD-AVX44U, KD-AVX44UT, KD-AVX44A, KD-AVX22E, KD-AVX22EU, KD-AVX22EE KD-ADV49J/C KD-AVX44J/C KD-AVX44E KD-AVX44EE KD-AVX44U KD-AVX44UT KD-AVX44E / KD-AVX22E KD-AVX44A KD-AVX44EE KD-AVX22EE KD-AVX49JC / KD-AVX44JC COPYRIGHT © 2008 Victor Company of Japan, Limited...
  • Page 2 SPECIFICATION KD-ADV49JC/KD-AVX44JC AMPLIFIER × Ω Power Output 20 W RMS 4 Channels at 4 and < or = 1% THD+N 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 60.0 Hz, 150.0 Hz, 400.0 Hz, 1.0kHz, 2.5kHz, 6.3kHz, 15.0kHz...
  • Page 3 KD-AVX44E/EU AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Ω (4 Ω to 8 Ω allowance) Load Impedance Equalizer Control Range Frequencies...
  • Page 4 KD-AVX44EE AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Ω (4 Ω to 8 Ω allowance) Load Impedance Load Impedance Frequencies...
  • Page 5 KD-AVX44U AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Signal-to-Noise Ratio 70 dB Ω...
  • Page 6 KD-AVX44UT AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Signal-to-Noise Ratio 70 dB Ω...
  • Page 7 KD-AVX44A AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Signal-to-Noise Ratio 70 dB Ω...
  • Page 8 KD-AVX22E AMPLIFIER Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Continuous Power Output (RMS) Front/Rear Load Impedance Frequencies 60.0 Hz 150.0 Hz 400.0 Hz 1.0kHz 2.5kHz 6.3kHz 15.0kHz Equalizer Control Range Level ±10 dB...
  • Page 9 KD-AVX22EE AMPLIFIER Maximum Power Output Front/Rear 50 W per channel Ω Continuous Power Output (RMS) Front/Rear 20 W per channel into 4 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Ω 4 Ω (4 to 8 Ω...

  • Page 10: Precaution

    SECTION 1 PRECAUTION Safety Precautions Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check.
  • Page 11 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. 1.2.1 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 12 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 13: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body ( Used figure are KD-AVX44J ) 3.1.1 Removing the Heat sink(See Fig.1) (1) Remove the two screw A and two screws B attaching the Heat Sink.
  • Page 14 3.1.2 Removing the top Chassis(See Fig.2 to 4) (1) From the side of the main body, remove the two screw C attaching the both side of Top chassis.(See Fig.2) (2) From the bottom side of the main body, remove the two screws D attaching the Top chassis.(See Fig.3) (3) From the back side of the main body, remove the four screws E attaching the Top Chassis.(See Fig.4)
  • Page 15 3.1.3 Removing the Main board(See Fig.5 and 6) (1) Remove the two screws F attaching the Rear bracket. (See Fig.5) (2) Disconnect the connector wire from Gear bracket unit con- nected to connector CN891 of the main board.(See Fig.6) (3) Disconnect the connector wire from motor connected to connector CN881 of the Main board.(See Fig.6) (4) Disconnect the card wire from Front chassis connected to connector CN962 of the Main board.(See Fig.6)
  • Page 16 3.1.5 Removing the Connection board assembly(See Fig.8) (1) Disconnect the card wire from DVD mechanism assembly CN395 connected to connector CN1 and CN395 of the Connection board assembly. (2) Remove the four screws J attaching the Connection board assembly. Fig.8 3.1.6 Removing the Rear cover(See Fig.9) (1) Remove the nine screws K attaching the Rear cover.
  • Page 17 DVD mechanism 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 CN101 on the Front end board.
  • Page 18 3.2.2 Removing the Front end board (See Fig.7) (1) Remove the Motor wires from loading motor soldered to TP79 TP81 of the Front end board. TP81 (2) Remove the two screws B attaching the Front end board. TP79 Fig.7 3.2.3 Removing the Loading arm assembly (See Fig.8) (1) Remove the Loading arm spring L from Loading arm assembly.
  • Page 19 3.2.4 Removing the Gear base assembly (See Fig.9, 10) (1) Remove the Loading arm spring L. (See Fig.9) (2) Remove the two screws C attaching the Gear base assembly. (See Fig.10) Loading arm spring L Fig.9 Fig.10 3.2.5 Removing the Loading arm holder. (See Fig.11) (1) Remove the two screws D attaching the Loading arm holder.
  • Page 20 3.2.6 Removing the Loading moor assembly (See Fig.12) (1) Remove the three screws E attaching the Loading motor assembly. Fig.12 3.2.7 Removing the Slide cam assembly (See Fig.13) (1) Slide to backward the Slide cam assembly and the remove the Slide cam spring. Slide cam assembly (2) Slide to frontward the slide cam assembly, and then take out it.
  • Page 21 3.2.9 Removing the Loading motor (See Fig.15 to 18) (1) Remove the A wheel gear. (See Fig.15) (2) Remove the A worm gear, M connect gear and M wheel A Wheel gear gear by sequentially. (See Fig.16) (3) Remove the two screws G attaching the Loading motor. (Se Fig.17) (4) When attaching the Loading motor, motor wire should arrange to figure.
  • Page 22 3.2.10 Removing the Roller assembly (See Fig.19) (1) Remove the Slit washer. (2) Remove the R middle gear. (3) Remove the R connect gear. (4) Snap off the part a of the Roller assembly. R middle gear (5) Lift up the part b of the Roller assembly, and then release Direction part c (When release part c, R collar R is easy to come off, does not lose it).

  • Page 23: Adjustment

    SECTION 4 ADJUSTMENT Test instruments required for adjustment Standard volume position (1) Digital oscilloscope (100MHz) Balance and Bass &Treble volume : lndication"0" (2) Electric voltmeter Loudness : OFF (3) Digital tester Dummy load (4) Tracking offset meter Exclusive dummy load should be used for AM,and FM. (5) Test Disc : VT501 or VT502 For FM dummy load, there is a loss of 6dB between SSG output (6) Extension cable : EXTDV002-30P x1...
  • Page 24 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 [EJECT] button sequentially. Screen indication Exchanging it operate a menu of a service mode with the [ ] button and [ ] button.
  • Page 25 4.6.2 Service mode 2 Set to service mode 2: [SOURCE] [EJECT] [MENU] [PLAY/PAUSE] [FOLDER UP] Screen indication SERVICE MODE 2 INITIALIZE ALL INITIALIZE INITIALIZE DVD INITIALIZE BT Exchanging it operate a menu of a service mode with the [ ] button and [ ] button. Operate choice of a menu with a [PLAY/PAUSE] button.
  • Page 26 4.6.3 Service mode 3 Set to service mode 3: [SOURCE] [EJECT] [MENU] [PLAY/PAUSE] [DISP] Screen indication SERVICE MODE 3 SERVICE MODE INTIALIZE ALL RUNNNING MODE Exchanging it operate a menu of a service mode with the [ ] button and [ ] button. Operate choice of a menu with a [PLAY/PAUSE] button. SERVICE MODE SERVICE MODE SERVICE MODE...
  • Page 27 ERROR READ DVD ERROR READ CH ERROR READ MECHA ERROR READ READ ALL DVD ERROR READ Reading of a DVD unit error history CH ERROR READ Reading of a CD changer error history MECHA ERROR READ Reading of a door mechanism error history READ ALL Reading of a main micon EEPROM (All contents) ERROR CLEAR...
  • Page 28 4.6.4 Service mode 4 Set to service mode 4: [SOURCE] [EJECT] [MENU] [PLAY/PAUSE] [REW] Screen indication SERVICE MODE 4 RDS S MODE MONITOR S MODE HD RADIO S MODE Exchanging it operate s menu of a service mode with the [ ] buttonand [ ] button. Operate choice of a menu with a [PLAY/PAUSE] button.
  • Page 29 Error code tables 4.8.1 Mechanism error code Error contents Details Error code Detailed error code Disc loading error 0013 ‡B D1 time out Eject error 0023 ‡B B1 time out 0024 ‡C C1 time out Error in loading wait Loading of a running mode 0031 Disc was pulled out in a wait.
  • Page 30 4.8.3 Error codes of panel mechanism PANEL ANGLE Panel Open 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 31 Running mode Indication Explanation Operation contents of 1 cycle In Mecha error In disc error Door mecha running 1 RUNNING1 MECHA Panel close Panel open Door mecha running 2 Retly RUNNING2 MECHA Panel close Panel open Panel detach position Panel angle RETRY 3 position Panel angle 1 position Panel angle 2 position NO RETRY...
  • Page 32 Indication Minimum value Maximum value Initial value Reference register value Detail 00018 00000 00127 00000 00000 Adjust Adjustment of the quantity of brightness outline core ring (NTSC) 00019 00000 00127 00000 00000 Adjust Adjustment of the quantity of brightness outline core ring (PAL) 00020 00000 00006...
  • Page 33 Indication Minimum value Maximum value Initial value Reference register value Detail 00081 00000 00255 00035 00035 Appoint gamma revision gain 2 of the Green signal 00082 00000 00255 00035 00035 Appoint gamma revision gain 3 of the Green signal 00083 00000 00255 00035...
  • Page 34 Indication Minimum value Maximum value Initial value Reference register value Detail 00142 00000 00015 00129 00129 Synchronization separation burst clock setting (PAL) 00143 00000 00255 00252 00252 Free run center value setting of horizontal synchronization signal (NTSC) 00144 00000 00255 00252 00252 Free run center value setting of horizontal...

  • Page 35: Troubleshooting

    SECTION 5 TROUBLESHOOTING 16 PIN CORD DIAGRAM (For Northern America, Asia) LOCKING THE WIRE WITH INSULOK GN/BK WH/BK CONNECTOR VI/BK GY/BK 16PIN MOLEX BL/WH WIRE CUT OR/WH DIMENSION CASE Black Gray VIEW TOP Brown Blue YellowGreen White Orange VIEW SIDE Violet Yellow Green...
  • Page 36 16 PIN CORD DIAGRAM (For Europe) LOCKING THE WIRE WITH INSULOK CONNECTOR 16PIN MOLEX GN/BK WH/BK 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 Violet Yellow Green RD2 7 YL 1 BL/WH...
  • Page 37 (No.MA401<Rev.001>)1-37...
  • Page 38 Victor Company of Japan, Limited Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MA401<Rev.001>) Printed in Japan...

This manual is also suitable for:

Kd-avx44jKd-avx44eKd-avx44euKd-avx44cKd-avx44eeKd-avx44u ... Show all