Sharp SD-EX101 Service Manual - Page 4

Disassembly

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SD-EX100 SD-EX101 DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take compact disc and minidisc out of the unit. 2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit. 3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. If the screw of the wrong length is applied on the MD mechanism unit (screw for mounting parts to the MD mechanism chassis), it may contact the optical pickup and cause the unit to malfunction. 4. Take sufficient care on static electricity of integrated circuits and other circuits when servicing. (A1)x5 ø3x65mm (A2)x6 ø3x8mm Top Panel (A2)x1 ø3x8mm Front Panel Rear Cabinet STEP REMOVAL 1 Rear Cabinet 2 Front Panel 3 Back Board 4 Top Panel 5 Tuner PWB PROCEDURE FIGURE 1. Screw A1) x5 4-1 2. Screw A2) x7 1. Screw B1) x3 4-2 2. Screw B2) x2 1. Screw C1) x6 4-2 2. Screw C2) x2 1. Screw D1) x2 4-3 2. Socket D2) x1 5-2 1. Socket E1) x1 4-3 Figure 4-1 Top Panel Front Panel (B2)x1 ø3x12mm (B2)x1 ø3x12mm Power Transformer PWB Back Board 6 Fuse PWB 1. Screw F1) x1 4-3 2. Socket F2) x2 7 Power Amp. PWB 1. Socket G1) x5 4-3 8 CD Servo PWB 9 Display PWB 1. Screw H1) x1 5-1 2. Socket H2) x9 1. Screw J1) x6 5-2 2. Socket J2) x7 (C1)x6 ø3x8mm 10 CD Block Frame 1. Screw K1) x2 5-2 2. Screw K2) x2 11 Terminal PWB 1. Screw L1) x4 5-3 2. Socket L2) x1 12 1 Bit Amp. Unit 1. Screw M1) x3 5-3 13 Switch A / B PWB 1. Screw N1) x7 5-4 14 CD Mechanism Ass'y 1. Screw P1) x2 5-5 15 CD Mechanism 1. Screw Q1) x4 5-6 16 D/A Converter PWB 1. Screw R1) x3 5-5 2. Screw R2) x2 3. Screw R3) x1 17 1 Bit Amp. Shield 1. Screw S1) x2 6-1 Cover 2. Radiation Plate ... (S2) x1 3. Screw S3) x6 18 1 Bit Amp. PWB 1. Screw T1) x4 6-2 Tuner PWB (C2)x2 ø3x10mm Figure 4-2 (B1)x3 ø3x8mm (G1)x1 (F2)x1 (F1)x1 ø3x6mm Power Transformer PWB Power Amp. PWB (F2)x1 Top Panel CD Servo PWB Power Amp. PWB (D1)x2 ø3x12mm Fuse PWB Fuse PWB Power Amp. PWB(G1)x2 (G1)x2 - 4 - Terminal PWB (E1)x1 Tuner PWB Figure 4-3 Tuner PWB Terminal PWB

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SD-EX100
SD-EX101
– 4 –
1
Rear Cabinet
1. Screw
..................
(A1) x5
4-1
2. Screw
..................
(A2) x7
2
Front Panel
1. Screw
..................
(B1) x3
4-2
2. Screw
..................
(B2) x2
3
Back Board
1. Screw
.................
(C1) x6
4-2
2. Screw
.................
(C2) x2
4
Top Panel
1. Screw
.................
(D1) x2
4-3
2. Socket
................
(D2) x1
5-2
5
Tuner PWB
1. Socket
.................
(E1) x1
4-3
6
Fuse PWB
1. Screw
..................
(F1) x1
4-3
2. Socket
.................
(F2) x2
7
Power Amp. PWB
1. Socket
................
(G1) x5
4-3
8
CD Servo PWB
1. Screw
.................
(H1) x1
5-1
2. Socket
................
(H2) x9
9
Display PWB
1. Screw
..................
(J1) x6
5-2
2. Socket
.................
(J2) x7
10
CD Block Frame
1. Screw
..................
(K1) x2
5-2
2. Screw
..................
(K2) x2
11
Terminal PWB
1. Screw
..................
(L1) x4
5-3
2. Socket
.................
(L2) x1
12
1 Bit Amp. Unit
1. Screw
.................
(M1) x3
5-3
13
Switch A / B PWB
1. Screw
.................
(N1) x7
5-4
14
CD Mechanism Ass'y
1. Screw
..................
(P1) x2
5-5
15
CD Mechanism
1. Screw
.................
(Q1) x4
5-6
16
D/A Converter
1. Screw
.................
(R1) x3
5-5
PWB
2. Screw
.................
(R2) x2
3. Screw
.................
(R3) x1
17
1 Bit Amp. Shield
1. Screw
..................
(S1) x2
6-1
Cover
2. Radiation Plate
... (S2) x1
3. Screw
..................
(S3) x6
18
1 Bit Amp. PWB
1. Screw
..................
(T1) x4
6-2
DISASSEMBLY
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 4-1
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take compact disc and minidisc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
If the screw of the wrong length is applied on the MD
mechanism unit (screw for mounting parts to the MD
mechanism chassis), it may contact the optical pickup
and cause the unit to malfunction.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 4-2
(A2)x6
ø3x8mm
(A2)x1
ø3x8mm
(A1)x5
ø3x65mm
Rear Cabinet
Front Panel
Top Panel
(B2)x1
ø3x12mm
(B1)x3
ø3x8mm
(B2)x1
ø3x12mm
(C2)x2
ø3x10mm
(C1)x6
ø3x8mm
Tuner PWB
Power
Transformer
PWB
Back Board
Front Panel
Top Panel
Figure 4-3
(D1)x2
ø3x12mm
(F1)x1
ø3x6mm
(G1)x2
(G1)x2
(G1)x1
(E1)x1
(F2)x1
(F2)x1
Terminal
PWB
Terminal
PWB
CD Servo PWB
Power Amp.
PWB
Power Amp.
PWB
Power Amp. PWB
Tuner PWB
Tuner PWB
Fuse PWB
Fuse PWB
Top Panel
Power
Transformer
PWB