Disassembly - Sharp MD-X7H Service Manual

MD-X8H
Caution on Disassembly
Whe disassembling the machine or assenbling it after
repair, observe the following instructions so as to ensure
safety and keep its performance.
1. Unload the compact disc, and mini-disc from machine.
2. Be sure to unplug the power cable before starting
disasembly of the machine.
3. When disassenbling each section, remove the nylon
band or wire arrangement.
If a screw of improper length is fit to the MD mechanism.
(a screw fit the part to the mechanism chassis of MD
section), it may cantact the optical pickup, impeding
normal operation. Hence, due care must be taken.
4. While repairing, pay utmost attention to static electricity
on ICs.
MAIN UNIT
STEP REMOVAL
1 Cabinet
2 Rear Panel
3 MD Unit
4 Fan Motor
5 Main PWB
6 Front Panel
7 Power PWB
8 Power Amp. PWB
9 CD Changer Block 1. Screw ................ (J1) x4
10 CD Servo PWB
(Note 1 )
11 Tray Switch PWB
12 Jack PWB
13 Mic PWB
14 Switch A PWB
15 Switch B PWB/
LED PWB
16 Switch C PWB
17 Display PWB
18 Lamp PWB
Note 1: After removing the connector for the optical pickup
from the connector wrap the conductive aluminium foil
around the front end of connector so as to protect the
optical pickup from electrostatic damage.
PROCEDURE
1. Screw ................ (A1) x9
1. Screw ................ (B1) x14
1. Flat Cable .......... (C1) x1
2. Socket ............... (C2) x1
3. Screw ................ (C3) x2
1. Socket ............... (D1) x1
2. Screw ................ (D2) x3
3. Bracket .............. (D3) x2
1. Screw ................ (E1) x4
2. Socket ............... (E2) x11
1. Socket ............... (F1) x2
2. Screw ................ (F2) x4
1. Socket ............... (G1) x1
2. Screw ................ (G2) x4
1. Screw ................ (H1) x4
2. Screw ................ (J2) x3
1. Socket ............... (K1) x5
2. Screw ................ (K2) x3
1. Screw ................ (L1) x1
1. Socket ............... (M1) x1
2. Screw ................ (M2) x1
1. Screw ................ (N1) x3
2. Screw ................ (N2) x1
1. Knob .................. (P1) x1
2. Nat ..................... (P2) x1
3. Screw ................ (P3) x11
1. Screw ................ (Q1) x3
2. Holder ................ (Q2) x1
3. Screw ................ (Q3) x6
1. Screw ................ (R1) x7
1. Flexible PWB .... (S1) x1
2. Screw ................ (S2) x1
1. Screw ................ (T1) x1

DISASSEMBLY

STEP
19 CD Mechanism
20 MD Mechanism
21 MD Main PWB
(See page 11
Figure 11-2)
22 MD Mechanism
FIGURE
8-1
8-1
9-1
SPEAKER
STEP
9-1
1 Speaker
9-2
9-2
9-2
9-2
9-3
9-4
9-4
9-5
(A1) x5
ø3 x8mm
9-5
9-5
9-5
(A1) x2
ø3 x8mm
9-5
9-5
9-5
Rear Panel
– 8 –
REMOVAL PROCEDURE
1. Screw ................ (U1) x2
2. Top Bord ........... (U2) x1
3. Disc Holder ....... (U3) x1
4. Disc Tray ........... (U4) x3
5. Screw ................ (U5) x1
6. Mechanism Holder
Guide ................. (U6) x1
7. Screw ................ (U7) x2
8. Mechanism Holder
Bracket .............. (U8) x1
9. Mechanism Holder (U9) x1
10. Screw .............. (U10) x4
1. Screw ................ (V1) x4
2. MD Mechanism
holder ................ (V2) x2
3. Screw ................ (V3) x4
4. Flat Cable .......... (V4) x1
1. Screw ................ (W1) x4
2. Socket ............... (W2) x3
3. Flat Cable .......... (W3) x1
4. Flexible PWB .... (W4) x1
1. Screw ................ (X1) x4
PROCEDURE
REMOVAL
1. Net ........................... (A1) x1
2. Net Holder ............... (A2) x4
3. Screw ...................... (A3) x4
4. Front Panel ............. (A4) x1
5. Screw ...................... (A5) x4
6. Screw ...................... (A6) x4
Cabinet
(B1) x14
ø3 x8mm
Figure 8-1
FIGURE
10-1
10-2
10-3
11-1
FIGURE
11-3
11-4
Front Panel
(A1) x2
ø3 x8mm