Disassembly - Sharp CD-BA3100 Service Manual

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 cassette tape and compact disc 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.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
CD-BA3100
REMOVAL
STEP
1 Top Cabinet 1. Screw ..................... (A1) x5
2 Side Panel 1. Screw ..................... (B1) x8
(Left/Right) 2. Screw ..................... (B2) x2
3. Hook ....................... (B3) x2
3 Rear Panel with 1. Screw ..................... (C1) x2
Fan Motor 2. Screw ..................... (C2) x5
3. Screw ..................... (C3) x2
4. Socket .................... (C4) x1
4 CD Changer Unit 1. Socket .................... (D1) x2
2. Hook ....................... (D2) x2
5 Main PWB 1. Screw ..................... (E1) x1
2. Socket .................... (E2) x3
3. Flat Cable .............. (E3) x1
6 Power Amp. PWB 1. Screw ..................... (F1) x6
2. Socket .................... (F2) x3 9-3,10-1
3. Flat Wire ................. (F3) x1
4. PWB Holder ........... (F4) x2
7 Front Panel 1. Screw ..................... (G1) x2
2. Hook ....................... (G2) x2
8 Eject Switch PWB 1. Screw ..................... (H1) x2
2. Socket..................... (H2) x1
9 Play Switch PWB 1. Screw ..................... (J1) x2
2. Socket .................... (J2) x1
10 Display PWB 1. Knob ....................... (K1) x1
2. Screw ..................... (K2) x9
3. Flat Cable .............. (K3) x1
11 Headphones PWB 1. Screw ..................... (L1) x1
12 Tape Mechanism 1. Open the cassette holder.
2. Screw ..................... (M1) x6

DISASSEMBLY

PROCEDURE FIGURE
9-1
9-1
9-2
9-2
9-2
9-3
10-1
10-1
10-1
10-2
10-2
10-2
10-2
10-2
CD-BA3100
(A1)x2
(B2)x1
ø3x16mm
ø3x12mm
(A1)x1
ø3x10mm
Side Panel
(Right)
(B1)x2
ø3x12mm
(B1)x4
ø3x10mm
Rear
Panel
(D2) x1
Pull
CD Servo
PWB
(D1)x1
Rear
Panel
(C1)x2
ø3x12mm
(C4)x1
Power Amp.
PWB
(C2)x5
ø3x10mm
(E2)x2
(F2)x1
Power A PWB
(E3)x1
Power B PWB
(F2)x1
– 9 –
CD-BA3100
Top Cabinet
(B3)x2
Figure 9-1
CD Changer
Unit
(D2)x1
(E1)x1
ø3x10mm
Lug Wire
(C3)x2
Main PWB
ø3x10mm
Figure 9-2
Main PWB
Main PWB
(E2)x1
Power Amp.
PWB
Figure9-3
(A1)x2
ø3x16mm
(B2)x1
ø3x12mm
Side Panel
(Left)
(B1)x2
ø3x12mm
CD Servo
PWB
(D1)x1