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JVC TN2007-1001 Service Manual Download Page 6

1-6 (No.MY003)

SECTION 3

DISASSEMBLY

3.1

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

. (See Figs.1 and 2.)

Fig.1

Fig.2

A

A

A

a

Top cover

A

a

Top cover

Summary of Contents for TN2007-1001

Page 1: ... MY003 2005 12 CD MECHANISM MY003 2005 12 TN2007 1001 Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTIONS 1 2 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 19 5 TROUBLESHOOTING 1 19 ...

Page 2: ... 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: ...ptical pickup The tester s internal power source can easily destroy the laser diode 1 3 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in the text...

Page 4: ...o function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified here in may result in hazardous radiation exposure REPRODUCTION AND POSITION OF LABELS Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check WARNING LABEL CAUTION Visible and Invisible laser radiation when open and interlock failed or def...

Page 5: ... No MY003 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ...er 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 See Figs 1 and 2 Fig 1 Fig 2 A A A a Top cover A a Top cover ...

Page 7: ...ic electricity See Fig 3 1 From the bottom side of the CD mechanism assembly re move the screw C attaching the base board See Figs 3 and 4 2 Solder the short land c on the pickup See Fig 3 3 Disconnect the flexible wire from the connector on the pick up See Fig 3 4 Remove the base board from the joints d of the frame in the direction of the arrow See Figs 3 and 4 Reference Remove the wires from th...

Page 8: ...ve the chassis unit from the dampers on the frame in an upward direction See Fig 6 Note Pay attention to misuse and loss of each spring See Fig 5 When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly See Fig 6 Fig 5 Fig 6 Front suspension spring Rear suspension spring Rear suspension spring Front suspension spring Chassis unit ...

Page 9: ...lamper assembly See Figs 7 and 8 Remove the top cover Move the clamper assembly in the direction of the arrow to re lease the joints f from the chassis unit Fig 7 Fig 8 f f Clamper assembly Chassis unit f f Clamper assembly Chassis unit ...

Page 10: ...it From the bottom side of the chassis unit remove the screw D and take out the loading feed motor assembly in the direction of the arrow Reference Remove the wires from the soldered sections g of the loading feed motor assembly as required Fig 9 D Loading feed motor assembly g Loading feed motor assembly Chassis unit ...

Page 11: ...rew holder as required See Fig 12 7 Release the claw k in the direction of the arrow to remove the feed sub holder See Fig 12 3 1 8 Reattaching the pickup See Figs 10 to 13 1 Reattach the feed sub holder to the pickup See Fig 12 2 Reattach the feed screw holder to the pickup using the screw G See Fig 12 3 Reattach the feed screw assembly and pu shaft holder A to the pickup as before See Fig 11 4 S...

Page 12: ...the direction of the arrow to re move the trigger arm base from the section s in the direc tion of the arrow 4 Remove the trigger arm from the section t Fig 14 3 1 10 Removing the top plate assembly See Fig 15 Remove the top cover base board chassis unit clamper as sembly and trigger arm 1 Remove the screw H attaching the top plate assembly 2 Move the top plate assembly in the direction of the arr...

Page 13: ...nk gear L in the direction of the ar row 3 Move the mode switch in the direction of the arrow 1 to re move the sections z of the top plate assembly 4 Move the mode switch in the direction of the arrow 2 and remove the mode switch from the sections aa ab Note When reattaching the link gear L attach it after aligning the hole ac of the link gear L to the hole ac of the link gear R Reference When rea...

Page 14: ...t arm R from the sections ag See Fig 17 5 From the bottom side of the top plate assembly remove the select lock arm spring from the section ah See Fig 18 6 From the top side of the top plate assembly remove the section aj of the select lock arm from the top plate assem bly at first and remove the sections ak am of the select lock arm from the top plate assembly See Fig 18 Note When removing the se...

Page 15: ... lock arm assembly from the joint at of the cam plate L assembly See Fig 19 5 From the right side of the lock arm assembly remove the loading roller spring L from the section au See Fig 20 6 From the top side of the lock arm assembly remove the loading roller spring R in the direction of the arrow and re move the loading roller assembly See Fig 20 7 Remove the roller guide R HL washer and roller g...

Page 16: ... See Fig 22 3 Pull out the change arm See Fig 22 4 Move the change gear plate rivet assembly in the direction of the arrow 2 to remove the section av of the change gear plate rivet assembly from the chassis unit while moving the change lock lever in the direction of the arrow 1 See Fig 23 5 Pull out the change gear 3A and change gear 3B from the change gear plate rivet assembly See Fig 23 Fig 22 F...

Page 17: ...ly top plate assembly loading roller assembly and cam plate R 1 Remove the slide hook rivet assembly and trigger rack spring from the chassis unit See Fig 25 2 From the bottom side of the chassis unit pull out the load ing gear 1 See Fig 26 3 Remove the trigger control spring from the sections ay az See Fig 26 4 Take out the trigger rack plate from the chassis unit See Fig 26 Reference When attach...

Page 18: ...2 in the direction of the arrow 2 while pulling the trigger arm in the direction of the arrow 1 and let the pickup move in the direction of the arrow 3 See Fig 28 3 Slide the spindle motor assembly in the direction of the ar row and take out it in an upward direction from the chassis unit See Fig 28 Reference Remove the wires from the soldered sections c on the base board and remove them from the ...

Page 19: ... No MY003 1 19 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 20: ... No MY003 Mobile Entertainment Business Group Mobile Entertainment Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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