SECTION 3 DISASSEMBLY. JVC KD-G515

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3.1

Main body

SECTION 3

DISASSEMBLY

8 9

3.1.1 Removing the front panel assembly

(See Fig.1)

(1) Push the detach button in the lower right part of the front panel assembly and remove the front panel assembly.

(2) Take out the front panel assembly.

2 4 9

Front panel assembly

8 2 9 9

Detach button

Fig.1

3.1.2 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.

TEL 13942296513 Q Q

Joint a

Bottom cover

Joint b

3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

Joint b

Joint a

Joint c

Fig.2

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(No.MA139)1-7


3.1.3 Removing the front chassis assembly

(See Figs.3 and 4) QQ 376315150 body. (See Fig.3)

(2) Remove the two screws B on the front side of the main body. (See Fig.4)

(3) Release the 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)

Joint d

8 9

A

2 4 9

Joint

8 2

A

9 9

Joint d Joint e

Front chassis assembly

Fig.3

Front chassis assembly

(See Fig.55)

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 from the main body.

Q Q

B

Fig.4

3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

C D C

3.1.5 Removing the rear bracket

(See Fig.6)

• Prior to performing the following procedure, remove the bottom cover.

(1) Remove the three screws E , four screws F and tow screws

G attaching the rear bracket on the back side of the main body.

(2) Take out the rear bracket.

Side panel

Fig.5

F

Rear bracket

G F G

E

1-8 (No.MA139) http://www.xiaoyu163.com

Fig.6


3.1.6 Removing the main board

(See Fig.7) QQ 376315150

(1) Remove the two screws H attaching the main board.

(2) Disconnect the connector CN501 and take out the main board.

H

8

CN501

2 4 9

Main board

9 9

H

Fig.7

3.1.7 Removing the CD mechanism assembly

(See Fig.8)

• Prior to performing the following procedure, remove the front panel assembly, front chassis assembly, side panel, bottom cover, rear bracket and main board.

(1) Remove the three screws J attaching the top chassis.

(2) Take out the CD mechanism assembly.

TEL 13942296513 Q Q

J

3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

CD mechanism assembly

Fig.8

J

Top chassis www. xiaoyu163. com http://www.xiaoyu163.com

(No.MA139)1-9


3.1.8 Removing the switch board

(See Figs.9 to 11) QQ 376315150 bly. (See Fig.9)

(2) Release the nine joints h , and take out the rear cover. (See

Fig.10)

(3) Take out the switch board. (See Fig.11)

Note:

When removing the rear cover assembly and switch board, be careful not to lose the spring. (See Fig.11)

8 9 2 4 9 8 9 9

Rear cover

Fig.9

Joint h Joint h

TEL 13942296513

Joint h Rear cover

Fig.10

Joint h

Q Q

Spring

3 7 6 3 1 5 1 5 0

Switch board

8 9 2 4 9 8 2 9 9

Spring

Front panel assembly

Fig.11

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3.2

CD Mechanism Assembly

(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 .

8 9

A

2 4 9 8 2 9 9

A

Top cover Joints a

Joints a

Fig.1

A

TEL 13942296513 Q Q 3 7 6 3 1 5 1 5 0

Top cover

9 2 4 9 8 2 9 9 www. xiaoyu163. com http://www.xiaoyu163.com

(No.MA139)1-11


3.2.2 Removing the connector board

(See Figs.3 to 5) QQ 376315150 the short-circuit point on the pickup. No observance of this instruction may cause damage of the pickup.

(1) Remove the screw B fixing the connector 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.

B

8

Connector board

Wires 9 2 4 9 8 2 9 9

CAUTION:

Unsolder the short-circuit point after reassembling.

Joints b Short-circuit point

Fig.3

Pickup

Short-circuit point

(Soldering)

Flexible wire

TEL 13942296513 Q Q

Pickup

3 7 6 3

Fig.4

1 5 1 5 0 8 9

Connector board

2 4 9 8 2 9 9

Flexible wire

Frame

Fig.5

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3.2.3 Removing the DET switch

(See Figs.6 and 7) QQ 376315150 8 9 2 4 9 8 2 9 9

DET switch

Connector board

DET switch

Fig.6

Pickup

Tab c

TEL 13942296513

DET switch wire

Q Q 3 7 6 3 1 5 1 5

Tab c

0

Feed sw. holder

9 2 4 9 8 2 9 9 www. xiaoyu163. com http://www.xiaoyu163.com

(No.MA139)1-13


3.2.4 Removing the chassis unit

(See Figs.8 and 9) QQ 376315150 the chassis unit to the frame.

CAUTION:

• The shape of the suspension spring (L) and (R) are different. 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.

8 9 2 4 9 8 2 9 9

Frame

Suspension spring (R)

Fig.8

Chassis unit

Suspension spring (L)

Shaft

TEL 13942296513 Q

Shafts

Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

Damper

Damper

Damper

Fig.9

Frame www. xiaoyu163. com



3.2.5 Removing the clamper assembly

(See Figs.10 and 11) QQ 376315150

(2) Move the clamper assembly in the direction of the arrow to release the two joints d .

8

Clamper arm

spring

9 2 4 9 8 2 9 9

Joint d

Clamper assembly

Fig.10

Clamper arm spring

Chassis rivet assembly

Joint d

TEL 13942296513

Joint d

Clamper assembly

Joint d

Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9


Fig.11


(No.MA139)1-15


3.2.6 Removing the loading / feed motor assembly

(See Figs.12 and 13) QQ 376315150 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.

8 9 2 4 9 8 2 9 9

Loading / feed motor assembly

Fig.12

Loading / feed motor assembly

TEL 13942296513

C

Q Q

Fig.13

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3.2.7 Removing the pickup unit

(See Figs.14 to 18) QQ 376315150 the pu. shaft.

(2) Remove the screw E attaching the feed sw. holder.

(3) Move the part e of the pickup unit upward with the pu. shaft and the feed sw. holder, then release the joint f of the feed sw. holder in the direction of the arrow. The joint g of the pickup unit and the feed rack is released, and the feed sw.

holder comes off.

(4) Remove the pu. shaft from the pickup unit.

(5) Remove the screw F attaching the feed rack to the pickup unit.

3.2.8 Reattaching the pickup unit

(See Figs.14 to 17)

(1) Reattach the feed rack to the pickup unit using the screw 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 correctly.

(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 of the feed rack is certainly inserted to the slot j of the change lock lever.

(4) Reattach the feed sw. holder using the screw E .

(5) Reattach the pu. shaft to the pickup unit. Reattach the pu.

TEL 13942296513

D .

Q Q

Feed sw. holder

Joint g

8

Part e

E

9 2 4 9

Feed rack

Fig.15

Feed sw. holder

Pu. shaft

Part i

Pickup unit

Slot j

Joint f

Joint h

8 Pickup unit 2 9

D

Pu. shaft holder

Feed sw. holder

3 7 6 3 1 5 1 5 0

Fig.16

8 9 2 4 9 8 2 9 9

9

Pickup unit

Joint f

Pu. shaft

D

Pu. shaft holder

Pickup unit

Fig.14

Part e

E

Joint g

Joint g

Fig.17

Pickup unit

Joint f

Feed rack

Feed sw. holder

Fig.18


(No.MA139)1-17


3.2.9 Removing the trigger arm

(See Figs.19 and 20) QQ 376315150 the joint k and pull out upward.

CAUTION:

When reassembling, insert the part m and n of the trigger arm into the part p and q at the slot of the chassis rivet assembly respectively and join the joint k at a time.

8 9 2 Joint k 4 9 8 2

Trigger arm

9 9


Fig.19

Part p

Trigger arm

Part q

Part m

Part n


TEL 13942296513

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 necessary.

Q Q 3 7 6 3 1 5 1 5 0

Fig.20

8 9 2 4 9 8 2 9 9

Top plate assembly

H

Joints r s

Fig.21

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3.2.11 Removing the mode sw. / select lock arm

(See Figs.22 and 23) QQ 376315150 t ) and turn in the direction 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 release the two joints v .

(4) The select lock arm spring comes off the select lock arm at the same time.

8 9

Link plate 2 4 Joint t

9

Top plate

9 9

Joint u s

Fig.22

Select lock arm

Top plate

Hook w

Select lock arm

Select lock arm spring

TEL 13942296513

Joints v

Q Q

Link plate

3 7 6 3 1 5 1 5 0

Fig.23

8 9 2 4 9 8 2 9 9 www. xiaoyu163. com http://www.xiaoyu163.com

(No.MA139)1-19


3.2.12 Reassembling the mode sw. / select lock arm

(See Figs.24 to 26) QQ 376315150

(1) Reattach the select lock arm spring to the top plate and set the shorter end of the select lock arm spring to the hook w

Select lock arm spring

8

Hook w on the top plate.

(2) Set the other longer end of the select lock arm spring to the boss x on 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 .

2 4

Joint v

Select lock arm

9

Boss x

CAUTION:

When reattaching the mode sw., check if the points y and z are correctly fitted and if each part operates properly.

Fig.24

Joint t

Point y

8 2

Joint v

9 9

Link plate

Point z

TEL 13942296513

Fig.25

Mode sw.

Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8

Select lock arm

2 9 9

Link plate

Joint t

Joint u

Fig.26

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3.2.13 Removing the select arm R / link plate

(See Figs.27 and 28) QQ 376315150

(joint a') and turn as shown in the figure to release the two joints b' and joint c' .

(2) Move the link plate in the direction of the arrow to release the joint d'. Remove the link plate spring at the same time.

REFERENCE:

Before removing the link plate, remove the mode sw..

Joint b'

Joint c' 2 4 Link plate 9

Joint a'

Fig.27

Link plate spring

Top plate Joint d'

8 Joint r 2 9 9

Link plate

Fig.28

3.2.14 Reattaching the Select arm R / link plate

(See Figs.29 and 30)

REFERENCE:

(1) Reattach the link plate spring.

Q

(2) Reattach the link plate to the link plate spring while joining

Q 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 reattaching the select arm R , check if the points e' and f' are correctly fitted and if each part operates properly.

3 7 6 3 1 5 1 5

Link plate spring

8 9

Joint b'

Joint b' Joint a'

Fig.29

2

Joint d'

4 9 8 2 9 9

Joint a'

Point e'

Point f'

Fig.30

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Link plate

(No.MA139)1-21 http://www.xiaoyu163.com


3.2.15 Removing the loading roller assembly

(See Figs.31 to 33) QQ 376315150 and detach it upward from the slot of the joint g' of the lock

Roller guide

spring arm rivet assembly.

(2) Detach the loading roller assembly from the slot of the joint h' of the lock arm rivet assembly.

Part k'

The roller guide comes off the gear section of the loading roller assembly.

8 9 Loading roller assembly 2 4 9 8 2 9 9

Loading roller assembly

Roller guide

spring

Remove the roller guide and the HL washer from the shaft of the loading roller assembly.

(3) Remove the screw J attaching the lock arm rivet assembly.

(4) Push the shaft at the joint i' of the lock arm rivet assembly inward to release the lock arm rivet assembly from the slot of the L side plate.

(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 reattaching the lock arm rivet assembly to the chassis rivet assembly. Make sure to fit the part k' of the roller guide spring inside of the roller guide. (Refer to Fig.34.)

Roller guide


Fig.32

Boss


Q Q

J

3 7 6 3 1 5 1 5 0 8 9 2 4 9 8

L side plate

2 9 9

Roller guide spring

Roller guide

Joint h'

Roller guide spring

Roller guide spring

Joint g'

Lock arm rivet assembly

Fig.33

Part j'

Joint i'

Roller guide

HL washer

Roller shaft assembly


Lock arm rivet assembly

Fig.31

Roller guide spring

Loading roller

Lock arm rivet assembly Roller guide spring

Fig.34

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3.2.16 Removing the loading gear 5, 6 and 7

(See Figs.35 and 36) QQ 376315150

The loading gear 6 and 7 come off the loading gear bracket.

(2) Pull out the loading gear 5.

8 9 2 K

Loading gear bracket 4 9 8 2 9 9

Loading gear 5

Loading gear 3

TEL 13942296513

K

Loading gear 5

Fig.35

Loading gear bracket

Loading gear 6

Loading gear 7

Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

Fig.36


(No.MA139)1-23


3.2.17 Removing the gears

(See Figs.37 to 40) QQ 376315150

(1) Pull out the feed gear.

Shafts rivet assembly

(2) Move the loading plate assembly in the direction of the arrow 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 chassis rivet assembly while releasing the joint n' . 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 lever.

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

2.

(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.

E ring

Loading plate spring

9 Joint p' 2 4

Fig.38

Loading plate assembly

Loading gear plate rivet assembly


Change gear 2

Joint n'

9 8 2

Loading gear 4

9 9

Shaft

Loading gear 2

Loading gear 1

Slide hook

Feed gear

L side plate

Loading plate assembly

Joint n'

Slot m'

Fig.37


Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 L side plate 8 2 9 9

Slot m'


Fig.39

E ring

Washer

Change gear 2

Change gear spring

Adjusting washer

Loading gear 1

Loading gear 2

Change lock lever

Loading gear 4

Change plate rivet assembly


Loading gear plate rivet assembly

Fig.40

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3.2.18 Removing the turn table / spindle motor

(See Figs.41 and 42) QQ 376315150 sembly through the slot of the turn table on top of the body.

(2) Unsolder the wire on the connector board if necessary.

8 9 2 4 9 8 Turn table 2 9 9

L

Fig.41

L

Turn table

TEL 13942296513 Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

Spindle motor

Fig.42


(No.MA139)1-25

SECTION 3 DISASSEMBLY. JVC KD-G515

SECTION 3

DISASSEMBLY

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