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Pickup

Spindle Unit

Sled Motor

Loading Motor

Belt

: Part Replacement

: Cleaning

  (For cleaning, use a lint-free cloth danpened with pure isopropyl alcohol.)

Use the following table as a guide to maintain the mechanical parts in good operating condition.

1. The laser light having wavelength 650 nm is emitted from the objective lens. BE CAREFUL SO THAT THE LASER

LIGHT DOES NOT ENTER DIRECTLY INTO YOUR EYE.

2. The semiconductor laser may be easily damaged by electrostatic charges. When handling the pickup, take care so that

the electrostatic charge is not generated.

3. The semiconductor laser may be easily damaged by overcurrent. Use the power supply unit which does not give any

spike current when the power is turned on and off.

4. Carefully remove the dust and dirt from the objective lens with the lens blower.

When handling the objective lens, take due care so that it is not contaminated with fingerprint, etc. If the objective lens

is contaminated, impregnate the cleaning paper with a small quantity of solvent (isopropyl alcohol), and gently wipe to

clean.

5. The ozone layer depleting components (ODC) are not used in the production process for the product.

2. Remove two screws (B).

3. Remove one screw (C).

4. Release the hooks of the front panel at two places on both sides

and at three places on the bottom, and slide the front panel toward

you.

5. Disconnect the connectors (D) and (E).

6. Remove four screws (F) which installs the mechanical unit.

7. Disconnect the lead lines (G) and (H) and (J)  from the main PWB

under the mechanism.

8. Remove two screws (K) on both sides of the terminal angle

frame.

9. Remove three screws (L) which install the terminal PWB.

10. Remove seven screws (M) and one screw (N) which install the

terminal block.

11. Remove three screws (P) of the display PWB.

12. Remove two screws (Q) of the decorative leg.

13. Push out the middle pin (R) of the setting leg in the direction

opposite to insertion. (Two places)

14. Remove two screws (S) which install the main PWB under the

mechanical unit.

15. Remove three screws (T) which install the volume PWB of the

front panel.

16. Remove three screws (U) which install the operate PWB.

* The spacer and insulation seat under the indication tube of (V)

and (W) are bonded with both-side sticking tape.

17. Remove one washe (X) and one nut (Y) which install the shuttle

knob.

Top Cabinet

(A) x2 

1

(A) 

2

(A) x2 

1

1. Remove five screws (A), and remove the cabinet.

Note: When assembling it, tighten the screws in order of  1 - 2 .

(Because the set may rise a little by tightening the screws.)

(F) x4

(D)

(B) x2

(E)

Hook

Front panel

Hook

(C)

(X)

Shuttle knob

(Y)

Operate PWB

(U) x3

(V)

(W)

(T) x3

Volume PWB

(L)

(S)

(S)

(G)

(H)

(J)

(L)

(P) x3

Mechanism

Main PWB

Display PWB

Terminal PWB

21-Pin 
Euro-SCART PWB

(Q) x2

(R) x2

(N)

(M) x7

(L)

(K) x2

<Disassembling and assembling procedure>
· Removing the tray (emergency ejection)

Removing the tray lock (set state)

VIDEO

Tray Decoration Panel

Insert a thin plate into the hatching part, slowly move the it in the arrow direction so that the tray is moved out a little in the arrow direction.

Note: In this state the tray cannot be removed completely.

· Drive Unit State

VIDEO

Tray Decoration Panel

Slowly move in the arrow direction, using the screwdriver having a fine head.

<Disassembling and assembling the mechanism chassis>
1. Remove the pickup FPC and loading relay FFC  A  from the main PWB.

Note: Fit the conductive rubber cap to the front end of pickup FPC (short-circuit).

2. Remove the solder joint of loading relay PWB at drive unit rear side.

1

Sled motor lead wire (Yellow·Orange)

2

IN SW lead wire 2 (White)

3

Spindle motor lead wire (Red·Black)

4

Loading motor lead wire (Red·Black)

5

Remove each lead wire from the claw.

1

1

2

3

4

3

2

4

A

B

C

SLmotor 1

SLmotor 2

SW

GND

SP1

SP2

L motor2

L motor2

Black

Red

Red

Black

White

White

Orange

Yellow

Remove the lead wire.

Remove the lead wire.

3. Remove the relay PWB mounting screw  B  (M2.6S + 6S S tight), and remove the relay PWB  C .

Relay PWB

Rear side of moving chassis assembly

Conductive rubber cap

(Earth sponge)

4. Disassembling the mechanism chassis moving chassis assembly

(1) Remove the four M2.6 screws  A  , and remove the clamped top plate  B .

P tight screw
with M2.6 washer

A

A

B

(2) Remove the M2.6 screw  C  .
(3) Holding aslant upward the mechanism chassis moving chassis assembly  D  in the arrow direction, remove.
Note: The slide rack  E  must be moved to the left side as shown in diagram.

Take care so that the lead wires, especially the earth sponge  G  at the pickup FPC   F  front end, must not beremoved.

Slide rack

Mechanism chassis moving
chassis assembly

P tight screw with
M2.6 washer

G

C

F

E

D

Clamper top
plate rear side

8. Replacing the Sled Motor

(1) At the rear side of chassis remove the two M1.7 screws  A  , and remove the motor angle  B  .
(2) Remove the thrust holding screw  C   (for easier removing wipe off the thread lock).
(3) Remove the two motor fitting screws M1.4  D  , and replace the motor  E  . Motor is replaced in the state while the worm  F  is

kept press-fitted to the output shaft.

Note: When installing the motor, take care so that the worm does not damage the ANG  B  hole.
(4) Screw in the thurust holding screw  C  , adjust the worm front end clearance to 0 to 0.1 mm, and apply screw lock.

5. Disassembling the loading drive system

(1) Remove the two M2 screws  A  .

(4)

Remove relay gear 2  E  .

(2) Remove the tray pinion  B  .

(5)

Remove the two M1.7 screws  F  .

(3) Remove the relay gear 1  C   together with the

(6)

Remove the L motor  G  (with pulley) downward.

timing belt S  D  .

M2

M1.7

L·Motor Pulley
L·Motor

Timing belt S

Relay
gear1

Relay
gear2

Tray pinion

A

B

E

C

D

G

F

6. Disassembling the mechanism chassis from the moving chassis

(2) Remove the insulator  B  (2 pcs. at the right side in diagram) parallel in the arrow direction.

(At this time it is better to insert the fine head of screw driver at the ID side of insulator and to move in the arrow direction, which
facilitates removal.)

(3) Remove the mechanism chassis in the arrow direction, pulling upward aslant.

At this time take care so that the insulator  C  (left side, 2 pcs.) is not damaged. (Do not put at once the mechanism chassis
assembly.)

Insulator

Insulator

Insulator

Insulator

Mechanism chassis

C

B

B

C

7. Replacing the pickup and the spindle motor
Since the pickup optical axis and turntable inclination of DVD are adjusted with higher accuracy than of CD/MD, make a replacement
as a mechanism service chassis ass'y (refer to Parts List).

Thurust holding screw

Apply screw-lock.

M1.4 screw

M1.7 screw

Motor Angle

B

A

D

Worm F

Sled motor E

C

Mecha chassis Ass'y