JVC KD-G611 Скачать руководство пользователя страница 24

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1-24 (No.MA148)

3.2.17 Removing the gears

(See Figs.37 to 40)

• Prior to performing the following procedure, remove the top

cover, chassis unit, top plate assembly and pickup unit.

• Pull out the loading gear 3. (See Fig.35.)

(1) Pull out the feed gear.
(2) Move the loading plate assembly in the direction of the ar-

row to release the L side plate from the two slots m' of the
chassis rivet assembly. (See Fig.37.)

(3) Detach the loading plate assembly upward from the chas-

sis rivet assembly while releasing the joint

. Remove the

slide hook and loading plate spring from the loading plate
assembly.

(4) Pull out the loading gear 2 and remove the change lock le-

ver.

(5) Remove the E ring and washer attaching the changer gear

(6) The changer gear 2, change gear spring and adjusting

washer come off.

(7) Remove the loading gear 1.
(8) Move the change plate rivet assembly in the direction of the

arrow to release from the three shafts of the chassis rivet
assembly upward. (See Fig.38.)

(9) Detach the loading gear plate rivet assembly from the shaft

of the chassis rivet assembly upward while releasing the
joint p'. (See Figs.38 and 40.)

(10) Pull out the loading gear 4.

Fig.37

Fig.38

Fig.39

Fig.40

Slot m'

Joint n'

Feed gear

Loading plate assembly

L side plate

Chassis rivet assembly

Joint p'

Loading gear 4

Loading gear 2

Loading gear 1

Change gear 2

Loading gear plate
rivet assembly

E ring

Shafts

Change plate
rivet assembly

Shaft

Chassis rivet assembly

Loading plate assembly

Loading plate spring

Chassis rivet assembly

Slot m'

Joint n'

L side plate

Slide hook

Loading gear 2

Loading gear 4

Change gear 2

Loading gear 1

E ring

Washer

Change gear spring

Loading gear plate rivet assembly

Chassis rivet assembly

Adjusting washer

Change plate

rivet assembly

Change lock lever

Содержание KD-G611

Страница 1: ...S 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 26 5 TROUBLESHOOTING 1 27 Area suffix E Southern Europe EX Northern Europe EY Eastern Europe KD G612 KD G611 KD G617 BLACK BLACK SILVER STEERING CABLE CONTROL PANEL KD G611 KD G612 Area suffix KD G617 EE Russian Federation KD G617 KD G611 KD G612 EU Turkey ...

Страница 2: ...quency Range FM 87 5 MHz to 108 0 MHz FM1 FM2 only for KD G617 87 5 MHz to 108 0 MHz FM3 only for KD G617 65 00 MHz to 74 00 MHz AM MW 522 kHz to 1 620 kHz LW 144 kHz to 279 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 d...

Страница 3: ... 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 ...

Страница 4: ... laser diode in the optical 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 ...

Страница 5: ...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...

Страница 6: ...1 6 No MA148 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS 2 1 HOW TO IDENTIFY MODELS 2 1 1 NAME PLATE Discernment sign as same as KDG612 KDG617 ...

Страница 7: ... 2 Removing the bottom cover See Fig 2 1 Turn the main body up side down 2 Insert a screwdriver under the joints to release the two joints a on the left side two joints b on the right side and joint c on the back side of the main body then remove the bottom cover from the main body CAUTION When releasing the joints using a screwdriver do not damage the main board Fig 2 Front panel assembly Detach ...

Страница 8: ... two joints d and two joints e on the both sides of the main body then remove the front chassis assembly forward See Fig 3 Fig 3 Fig 4 3 1 4 Removing the side panel See Fig 5 Reference Remove the front panel assembly as required Refer to 3 1 1 Removing front panel assembly 1 Remove the two screws C and screw D attaching the side panel on the left side of the main body 2 Take out the side panel fro...

Страница 9: ...moving the main board See Fig 7 Prior to performing the following procedure remove the front panel assembly front chassis assembly side panel bottom cover and rear bracket 1 Remove the two screws H attaching the main board 2 Disconnect the connector CN501 and take out the main board Fig 7 3 1 7 Removing the CD mechanism assembly See Fig 8 Prior to performing the following procedure remove the fron...

Страница 10: ...panel assem bly See Fig 9 2 Release the nine joints f and take out the rear cover See Fig 10 3 Take out the front board from the front panel assembly See Fig 11 Note When removing the rear cover assembly and front board be careful not to lose the spring See Fig 11 Fig 9 Fig 10 Fig 11 K Rear cover Rear cover Joint f Joint f Joint f Joint f Front board Spring Spring Front panel assembly ...

Страница 11: ...Removing the top cover See Figs 1 and 2 1 Remove the two screws A on the both side of the body 2 Lift the front side of the top cover and move the top cover backward to release the two joints a Fig 1 Fig 2 A A A Joints a Top cover Joints a Top cover ...

Страница 12: ...or board 2 Solder the short circuit point on the connector board 3 Disconnect the flexible wire from the pickup 4 Move the connector board in the direction of the arrow to release the two joints b 5 Unsolder the wire on the connector board if necessary CAUTION Unsolder the short circuit point after reassembling Fig 3 Fig 4 Fig 5 B Connector board Pickup Short circuit point Joints b Wires Pickup Sh...

Страница 13: ... switch See Figs 6 and 7 1 Extend the two tabs c of the feed sw holder and pull out the switch 2 Unsolder the DET switch wire if necessary Fig 6 Fig 7 Connector board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw holder ...

Страница 14: ...he chassis unit to the frame CAUTION The shape of the suspension spring L and R are dif ferent Handle them with care When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly Fig 8 Fig 9 Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper D...

Страница 15: ...cedure remove the top cover 1 Remove the clamper arm spring 2 Move the clamper assembly in the direction of the arrow to release the two joints d Fig 10 Fig 11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly ...

Страница 16: ...ve the screw C and move the loading feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly 2 Disconnect the wire from the loading feed motor assembly if necessary CAUTION When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 12 Fig 12 Fig 13 Loading feed motor assembly Loading feed motor assembly C ...

Страница 17: ...w F 2 Reattach the feed sw holder to the feed rack while setting the joint g to the slot of the feed rack and setting the part f of the feed rack to the switch of the feed sw holder correct ly 3 As the feed sw holder is temporarily attached to the pickup unit set to the gear of the joint g and to the bending part of the chassis joint h at a time CAUTION Make sure that the part i on the underside o...

Страница 18: ...e slot of the chassis rivet assembly respectively and join the joint k at a time Fig 19 Fig 20 3 2 10 Removing the top plate assembly See Fig 21 Prior to performing the following procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the screw H 2 Move the top plate assembly in the direction of the arrow to release the two joints r 3 Unsolder the wire marked s if...

Страница 19: ...irection of the arrow to release the joint u 2 Unsolder the wire of the mode sw marked s if necessary 3 Turn the select lock arm in the direction of the arrow to re lease the two joints v 4 The select lock arm spring comes off the select lock arm at the same time Fig 22 Fig 23 Mode sw Select lock arm Joint t Link plate Joint u s Top plate Top plate Select lock arm Select lock arm spring Select loc...

Страница 20: ... the underside of the select lock arm and join the select lock arm to the slots joint v Turn the select lock arm as shown in the figure 3 Reattach the mode sw while setting the part t to the first peak of the link plate gear and join the joint u CAUTION When reattaching the mode sw check if the points y and z are correctly fitted and if each part operates properly Fig 24 Fig 25 Fig 26 Select lock ...

Страница 21: ... 29 and 30 REFERENCE Reverse the above removing procedure 1 Reattach the link plate spring 2 Reattach the link plate to the link plate spring while joining them at joint d 3 Reattach the joint a of the select arm R to the first peak of the link plate while joining the two joints b with the slots Then turn the select arm R as shown in the figure The top plate is joined to the joint c CAUTION When r...

Страница 22: ... 5 Extend the lock arm rivet assembly outward and release the joint j from the boss of the chassis rivet assembly The roller guide springs on both sides come off at the same time CAUTION When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reat taching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part k of the ro...

Страница 23: ...chassis unit pickup unit and top plate assembly 1 Remove the screw K attaching the loading gear bracket The loading gear 6 and 7 come off the loading gear brack et 2 Pull out the loading gear 5 Fig 35 Fig 36 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 3 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 7 ...

Страница 24: ... Remove the loading gear 1 8 Move the change plate rivet assembly in the direction of the arrow to release from the three shafts of the chassis rivet assembly upward See Fig 38 9 Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint p See Figs 38 and 40 10 Pull out the loading gear 4 Fig 37 Fig 38 Fig 39 Fig 40 Slot m Slot m Join...

Страница 25: ...ng procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the two screws L attaching the spindle motor as sembly through the slot of the turn table on top of the body 2 Unsolder the wire on the connector board if necessary Fig 41 Fig 42 L Turn table L Turn table Spindle motor ...

Страница 26: ...load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively before supply the power If voltage is applied without attaching...

Страница 27: ... and 16 Does the S search waveform appear at IC501 pins 8 and 9 4V YES NO YES Check the pickup and its connections Is the disk rotated YES NO Is 4V present between IC501 pins 6 and 7 NO Is 4V present at IC541 pin 41 NO Check IC541 Does the RF signal appear at RF test point YES YES Check the spindle motor and its wiring Is the RF waveform at RF test point distorted YES Proceed to the Tracking secti...

Страница 28: ...nal including sampling output components output to IC581 pins 1 and 7 during playback Is the audio signal output at IC161 pins 18 and 21 during playback Normal NO YES NO Is 9V present at IC901 pin 10 YES Check the connection between IC901 pin10 and IC161 pin26 Check IC901 and its peripheral circuits NO YES NO Check IC581 and its peripheral circuits YES NO Check IC161 and its peripheral circuits Ch...

Страница 29: ...hole optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 5 7 Replacement of laser pickup Is RF output 1 3 0 4Vp p YES NO OK Replace it ...

Страница 30: ...BR Brown 1 2 3 4 5 6 7 8 10 12 13 15 16 VI VI BK GY GY BK WH WH BK GN GN BK BR YL BK RD RR FR FL RL REMOTE TEL ANT ACC GND MEMORY Rear Right Front Right Front Left Rear Left Remote out ACC Line Ground Memory Backup Battery Telephone Muting Auto Antenna GND ACC REMOTE MEMORY TEL RR RR FR FR FL FL RL RL GROUND ACC 12Volt MEMORY BACKUP DIRECT TO BATTERY 12Volt OR Orange 14 BL WH OR WH ILL ILL Illumin...

Страница 31: ... No MA148 1 31 ...

Страница 32: ... No MA148 AV MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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