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JVC EX-D1 Service Manual

Compact component system
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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
6
2005
MB399
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35
EX-D1
SP-EXD1
CA-EXD1

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
Area suffix
B ------------------------------ U.K.
E ---------- Continental Europe
EN ----------- Northern Europe
EV ------------- Eastern Europe
EE -------- Russian Federation
SP-EXD1
No.MB399
2005/6
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Summary of Contents for JVC EX-D1

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB399 2005 EX-D1 Area suffix B ------------------------------ U.K. E ---------- Continental Europe EN ----------- Northern Europe EV ------------- Eastern Europe EE -------- Russian Federation SP-EXD1 CA-EXD1 SP-EXD1 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
  • Page 2 SPECIFICATION General Power source AC 230 V , 50 Hz Power consumption 25 W (in operation) 1.0 W (on standby) Weight 3.0 kg External dimensions (W × H × D) 150 mm × 152 mm × 246 mm DVD player Playable discs DVD VIDEO, DVD AUDIO, VCD, SVCD, CD, CD-R/RW (CD, VCD, MP3, WMA, JPEG format), DVD-R/-RW (video format)

  • Page 3: 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 4 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.
  • Page 5 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. 1.6.1 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 6 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam. procedures other than those specified here in may result in 3.CAUTION : There are no serviceable parts inside the hazardous radiation exposure.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB399)1-7...

  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the side panel L and side panel R (See Figs.1 to 4) (1) From the back side of the main body, remove the four screws A attaching the side panels L/R. (See Fig.1.) Side panel R (2) From the bottom side of the main body, remove the four screws B attaching the side panels L/R.
  • Page 9 3.1.2 Removing the top panel assembly (See Figs.5 to 6) • Remove the side panels L/R. (1) From the front side of the main body, pull out the volume Volume knob assembly Top panel assembly knob assembly in the direction of the arrow. (See Fig.5.) (2) Remove the two screws C and remove the volume orna- CN427 ment.
  • Page 10 3.1.3 Removing the front panel assembly (See Figs.7 to 9) • Remove the side panels L/R and top panel assembly. (1) From the bottom side of the main body, remove the two Micom board screws H attaching the front panel assembly. (See Fig.7.) Front panel assembly CN426 Earth wire...
  • Page 11 3.1.4 Removing the tuner (See Figs.10 and 11) • Remove the side panels L/R and top panel assembly. (1) From the back side of the main body, remove the two screws M attaching the tuner to the rear panel. (See Tuner Fig.10.) (2) Disconnect the card wire from the connector...
  • Page 12 3.1.5 Removing the rear panel (See Fig.12) • Remove the side panels L/R and top panel assembly. (1) From the back side of the main body, remove the ten Earth wire screws N and screw P attaching the rear panel. (2) From the top side of the main body, disconnect the earth wire from the rear panel in the direction of the arrow.
  • Page 13 3.1.6 Removing the switching power supply (See Figs.13 and 14) • Remove the side panels L/R, top panel assembly and rear panel. Regulator board (1) From the top side of the main body, disconnect the wire from the connector CN200 on the regulator board.
  • Page 14 3.1.7 Removing the digital amplifier board assembly (See Figs.15 and 16) • Remove the side panels L/R, top panel assembly, rear panel and switching power supply. Digital amplifier board assembly (1) From the top side of the main body, remove the screw Q attaching the digital amplifier board assembly.
  • Page 15 3.1.8 Removing the digital amplifier board (See Figs.17 to 22) • Remove the side panels L/R, top panel assembly, rear panel, switching power supply and digital amplifier board assembly. Heat sink (1) From the forward side of the digital amplifier board assem- bly, remove the screw R.
  • Page 16 3.1.9 Removing the micom board (See Fig.23) • Remove the side panels L/R, top panel assembly and rear panel. Micom board (1) From the right side of the main body, remove the screw T Earth wire CN426 attaching the micom board. CN424 CN501 CN421...
  • Page 17 3.1.12 Removing the DVD mechanism assembly (See Figs.25 to 28) • Remove the side panels L/R, top panel assembly, front panel assembly, tuner, rear panel, switching power supply, digital Video board DVD mechanism assembly amplifier board assembly, micom board and regulator board. (1) From the right side of the main body, remove the screw W attaching the metal chassis.
  • Page 18 3.1.13 Removing the switch board (See Fig.29) • Remove the side panels L/R and top panel assembly. From the inside of the top panel assembly, remove the three Top panel assembly screws Z and take out the switch board. Switch board Fig.29 3.1.14 Removing the front board (See Fig.30)
  • Page 19 DVD mechanism section • Remove the DVD mechanism assembly from the main body. (See "Removing the DVD mechanism assembly".) 3.2.1 Removing the clamper base (See Fig.1) (1) From the top side of the DVD mechanism assembly, re- move the two screws A attaching the clamper base. Clamper base (2) Lift the clamper base in an upward direction to remove it from the projections a of the DVD mechanism assembly.
  • Page 20 3.2.3 Removing the traverse mechanism assembly (See Figs.3) (1) From the bottom side of the DVD mechanism assembly, re- move the four screws C attaching the traverse mechanism DVD mechanism assembly assembly. (2) Take out the traverse mechanism assembly with the DVD DVD module board module board.
  • Page 21 3.2.5 Removing the pickup (See Figs.4,6 to 8) • Remove the traverse mechanism assembly. (1) From the side of the traverse mechanism assembly, solder the short land sections d on the pickup. (See Fig.4.) (2) Release the lock of the connector on the pickup in the di- rection of the arrow and disconnect the card wire.
  • Page 22 3.2.6 Attaching the pickup (See Figs.4,6 to 9) • See "3.2.5 Removing the pickup". (1) Attach the shaft, SW actuator and lead spring to the pickup. Pickup (See Fig.8.) (2) Align the pickup to the section n of the traverse mechanism assembly first and set the both ends of the shaft of the pick- up in the sections (k, m) of the traverse mechanism assem- bly.
  • Page 23 3.2.7 Removing the feed motor (See Figs.10 to 12) • Remove the traverse mechanism assembly. (1) From the top side of the traverse mechanism assembly, re- Feed gear M Lead screw move the screw G attaching the plate and thrust spring. Feed motor (See Fig.10.) Feed gear E...
  • Page 24 3.2.9 Removing the switch board (See Fig.14.) (1) From the bottom side of the DVD mechanism assembly, re- move the screw L attaching the switch board. Switch board (2) Disconnect the card wire from the connector on the switch board. (3) Remove the wires from the soldered section u on the Card wire switch board.

  • Page 25: Adjustment

    SECTION 4 ADJUSTMENT Service mode 4.1.1 Confirming contents (1) Tuner AM switch to 9kHz-step (2) Tuner AM switch to 10kHz-step (3) Cold start (4) Tray lock (5) DVD test mode (6) DVD initialize 4.1.2 Confirming methods 1. Tuner AM switch to 9kHz-step 3.
  • Page 26 5. DVD test mode 6. DVD initialize In to the DVD test mode. DVD module initialized. Test mode contents is refer to module specification. LCD segment is light on at initialize command. DVD test mode is canceled by POWER OFF and except source DVD.
  • Page 27 5. DVD check mode DVD test mode Press the [MENU] key twice on the remote controller . FL indication " CHECK " START PLAYBACK Press the [1] key on FL indication the remote controller . " PLAYBACK " (After 2 seconds) Perform SEARCH TNO+1 Press the [2] key on FL indication...
  • Page 28 (After 2 seconds) Perform monitor output. Press the [0] key on FL indication FL indication the remote controller . "MONITOR" "xxxxyyyy" Initialize EEPROM (MECHA) Press the [+10] key on FL indication the remote controller . "INIT" Start PLAYING and obtain LASER CURRENT and JITTER value.
  • Page 29 Indicating check for FL display 4.2.1 FL display (DVD function) Function FL display Note 2 OPEN O P E N Under tray OPEN operation, and OPEN state. Other source The last source is displayed. 3 CLOSE C L O S E Under tray CLOSE operation.
  • Page 30 Function FL display Note REPEAT GROUP display of Current condition REPEAT TRACK display of Current condition PROGRAM (NO ENTRY) PROGRAM (STOP) PROGRAM (PLAY) RANDOM (STOP) RANDOM (SEARCH) RANDOM (PLAY/PAUSE) RESUME DOWNMIX PROHIBITED WATER MARK 9 DVD VIDEO STOP UNDER FL DISPLAY MODE PLAY (TITLE/MENU) UNDER FL DISPLAY MODE PLAY...
  • Page 31 Function FL display Note 10 VCD (SVCD) STOP Total time is displayed. After 4 seconds EACH-displays. SELECT (PBC DISC) PLAY (PBC DISC) SEARCH (PBC DISC) PLAY (NORMAL) SEARCH (NORMAL) +10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s ) PROGRAM (NO ENTRY) PROGRAM (STOP) PROGRAM (PLAY)
  • Page 32 Function FL display Note 12 MP3 The light is always switched on at the time of MP3. STOP PLAY UNDER FL DISPLAY MODE SEARCH +10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s ) UNDER FL DISPLAY MODE GROUP+10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s ) UNDER FL DISPLAY MODE...
  • Page 33 Function FL display Note JPEG Under a display +10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s ) GROUP+10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s ) MPEG4 STOP PLAY UNDER FL DISPLAY MODE SEARCH +10 KEY INPUT Blink display ( ON : 0.5s / OFF : 0.5s )
  • Page 34 4.2.2 FL display (Except DVD) Function FL display Note SOURCE About fine contents, it is based on DVD specification. After displaying for 2 seconds, it shifts to the following displays. After displaying for 2 seconds, it shifts to the following displays. It displays only at the time of a PRESET call.

  • Page 35: Troubleshooting

    Function FL display Note PTY SELECTION PRESS SHIFT+ON SCREEN (PTY SEARCH) SELECT and PTY will display alternatively for 500msec each. PRESS PTY SELECT+/- TO SELECT PTY CODE. THE SELECTED PTY CODE WILL BLINK (0.5sec ON/OFF). PRESS SHIFT+ON SCREEN (PTY SEARCH) to begin search.
  • Page 36 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY AUDIO/VIDEO SYSTEMS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB399) Printed in Japan...

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