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JVC TN2007-1026 Service Manual
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JVC TN2007-1026 Service Manual

JVC TN2007-1026 Service Manual

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SERVICE MANUAL
9 S ERVICE MANUAL
2007
MY008
COPYRIGHT © 2007 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
CD MECHANISM
TN2007-1026

TABLE OF CONTENTS

COPYRIGHT © 2007 Victor Company of Japan, Limited
No.MY008
2007/9

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Summary of Contents for JVC TN2007-1026

  • Page 1: Table Of Contents

    CD MECHANISM MY008 2007 9 S ERVICE MANUAL TN2007-1026 COPYRIGHT © 2007 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTIONS ............... 1-2 SPECIFIC SERVICE INSTRUCTIONS .

  • Page 2: Precautions

    SECTION 1 PRECAUTIONS 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 3 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 CD players.
  • Page 4 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 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MY008)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY CD mechanism assembly 3.1.1 Removing the top cover (See Figs.1 and 2) (1) From the both side of the CD mechanism assembly, re- move the four screws A attaching the top cover. (See Fig.1.) (2) Lift the front side of the top cover and move the top cover backward to release the two joints a.
  • Page 7 3.1.2 Removing the push switch (See Figs.3) (1) From the bottom side of the CD mechanism assembly, re- move the screw B attaching the push switch. Pickup (2) Take out the push switch from the CD mechanism assem- Wires Push switch bly.
  • Page 8 3.1.4 Removing the chassis unit (See Figs.5 and 6) • Remove the top cover and base board. (1) From the top side of the CD mechanism assembly, remove Chassis unit the front suspension springs and rear suspension springs Front suspension spring Front suspension spring attaching the chassis unit to the frame.
  • Page 9 3.1.5 Removing the clamper assembly (See Figs.7 and 8) • Remove the top cover. Move the clamper assembly in the direction of the arrow to re- Chassis unit lease the joints f from the chassis unit. Clamper assembly Fig.7 Clamper assembly Chassis unit Fig.8 (No.MY008)1-9...
  • Page 10 3.1.6 Removing the loading/feed motor assembly (See Fig.9) • Remove the top cover, base board and chassis unit. From the bottom side of the chassis unit, remove the screw D Loading/feed motor assembly and take out the loading/feed motor assembly in the direction of the arrow.
  • Page 11 3.1.7 Removing the pickup (See Figs.10 to 12) • Remove the top cover, base board and chassis unit. (1) From the bottom side of the chassis unit, remove the screw Pu. shaft holder A Pickup E attaching the pu. shaft holder B and pull the pu. shaft out of the pu.
  • Page 12 3.1.9 Removing the trigger arm (See Fig.14) • Remove the top cover, base board, chassis unit and clamper assembly. Select arm R (1) From the top side of the chassis unit, remove the trigger Chassis unit Select lock arm arm spring from the sections (n, p). (2) From the bottom side of the chassis unit, release the claws q of the trigger arm base in the direction of the arrow to re- move them from the sections r of the chassis unit to the...
  • Page 13 3.1.11 Removing the mode switch (See Fig.16) • Remove the top cover, base board, chassis unit, clamper as- sembly, trigger arm and top plate assembly. Top plate assembly Mode switch (1) From the top side of the top plate assembly, remove the Link gear spring link gear spring from the sections x of the link gear L and link gear R.
  • Page 14 3.1.12 Removing the select arm R and select lock arm (See Figs.17 and 18) • Remove the top cover, base board, chassis unit, clamper as- sembly, trigger arm and top plate assembly. Select arm R (1) From the top side of the top plate assembly, remove the link gear spring from the sections ad of the link gear L and Link gear spring link gear R.
  • Page 15 3.1.13 Removing the loading roller assembly (See Figs.19 to 21) • Remove the top cover, base board, chassis unit, clamper as- sembly and top plate assembly. Cam plate R (1) From the left side of the chassis unit, remove the screw J attaching the lock arm assembly.
  • Page 16 3.1.14 Removing the loading gear 1, loading gear 2, loading gear 3 and feed gear 1 (See Fig.22) • Remove the top cover, base board and chassis unit. (1) From the bottom side of the chassis unit, pull out the load- Loading gear 6 ing gear 1.
  • Page 17 3.1.18 Removing the cam plate R (See Fig.25) • Remove the top cover, base board, chassis unit, clamper as- sembly, top plate assembly and loading roller assembly. Chassis unit From the right side of the chassis unit, remove the cam plate R Trigger rack spring from the slots ax of the chassis unit.
  • Page 18 3.1.20 Removing the spindle motor assembly (See Figs.27 and 28) • Remove the top cover, base board, chassis unit and clamper assembly. (1) From the top side of the chassis unit, turn the turn table Turn table Chassis unit from side to side and remove the two screws M attaching the spindle motor assembly through the hole of the turn ta- ble.

  • Page 19: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.MY008)1-19...
  • Page 20 Victor company of Japan, Limited Mobile Entertainment Business Group Mobile Entertainment Category 10-1,1chome,Ohwatari-machi,Maebashi-city,Gumma-ken, 371-8543,Japan (No.MY008) Printed in Japan...
  • Page 21 PARTS LIST TN2007-1026 * All printed circuit boards and its assemblies are not available as service parts. - Contents - CD mechanism assembly and parts list (Block No.MB) MY008...
  • Page 22 CD mechanism assembly and parts list TN2007-1026 Block No. 124 33...
  • Page 23 CD mechanism Block No. [M][B][M][M]  Symbol No. Part No. Part Name Description Local 30350101T FRAME 30350103T DAMPER F (x2) 30350104T DAMPER R 30350107T TOP COVER 30320513T CLAMPER SUB SPG 30350505T FRONT SUS SPG (x2) 30350506T REAR SUS SPRING (x2) 30350508T FEED NUT SPP 30350509T...
  • Page 24  Symbol No. Part No. Part Name Description Local 9P0420047T SCREW (x2) 9P0420067T SCREW 9P0420087T SCREW 9C0420257T SCREW 9W0513060T HL WASHER...
  • Page 25 Grease point 1/2 grease TNG-87 TN-4456 TNS-925R GP-501MK back side back side back side two sides...
  • Page 26 Grease point 2/2 grease TNG-87 TN-4456 TNS-925R G-322 out side back side TR CONTROL SPR side CHF LOCK PLT...
  • Page 27 <MEMO>...