Disassembly - Sharp QT-CD180(BL) 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.
STEP REMOVAL
1 Rear Cabinet 1. Screw ................... (A1) x4
2. Socket .................. (A2) x1
2 Front Cabinet 1. Open the cassette holder
2. Socket .................. (B1) x1
3. Screw ................... (B2) x4
4. Screw ................... (B3) x2
3 Main PWB 1. Knob ..................... (C1) x1
(With CD Control 2. Socket .................. (C2) x3
PWB) 3. Screw ................... (C3) x5
(Note) 4. Screw ................... (C4) x1
5. Socket .................. (C5) x1
4 Tape Mechanism 1. Screw ................... (D1) x2
5 CD Control PWB 1. Screw ................... (E1) x2
(With Main PWB) 2. Bracket ................. (E2) x2
6 CD Mechanism 1. Screw ................... (F1) x3
7 Power PWB 1. Battery Lid ............ (G1) x1
2. Screw ................... (G2) x1
3. Bracket ................. (G3) x1
4. Hook ..................... (G4) x1
Note:
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
Top Cabinet
(A1)x4
ø3x14mm
Figure 5-1

DISASSEMBLY

PROCEDURE FIGURE
5-1
5-2
5-3
5-3
5-4
5-4
5-5
Main
PWB
(A2)x1
Front Cabinet
Rear Cabinet
(B3)x1
ø3x8mm
Main
PWB
(B2)x4
ø3x10mm
(C3)x5
ø3x10mm
Volume
PWB
(C1)x1
(C2)x3
CD Mechanism
(C4)x1
ø2.5x10mm
(E2)x1
(E2)x1
CD Control
PWB
(G2)x1
ø3x10mm
(G3)x1
Rear Cabinet
– 5 –
QT-CD180
Open
Cassette
Holder
Tape
Mechanism
(B1)x1
Front Cabinet
Figure 5-2
(D1)x2
ø3x8mm
Tape
Mechanism
Main PWB
Top Cabinet
Figure 5-3
(E1)x2
(F1)x3
ø3x10mm
ø2.5x10mm
PWB
Washer x3
CD Mechanism
Top Cabinet
Figure 5-4
(G4)x1
Power PWB
Driver
(G1)x1
Figure 5-5
(B3)x1
ø3x8mm
CD Motor
PWB
(C5)x1