Disassembly - Sharp WF-930ZBK Service Manual

WF-930Z
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 out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit and remove
the batteries from the unit.
3. Take off nylon bands or wire holders where they need 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.
MAIN UNIT
STEP REMOVAL
1 Front Cabinet/ 1. Battery Compartment
Rear Cabinet Lid ................... (A1)x1
2. Screw ................ (A2)x4
3. Screw ................ (A3)x1
4. Screw ................ (A4)x1
5. Screw ................ (A5)x3
6. Socket ............... (A6)x1
7. Tip ..................... (A7)x1
2 Main PWB/ 1. Knob ................. (B1)x1
Volume PWB 2. Socket ............... (B2)x5
3. Screw ................ (B3)x1
4. Screw ................ (B4)x1
3 Graphic Equalizer 1. Screw ................ (C1)x4
PWB
4 LED PWB 1. Screw ................ (D1)x2
5 Tape Mechanism 1. Open the cassette holder
2. Screw ................ (E1)x5
6 Power PWB 1. Screw ................ (F1)x1
2. Bracket .............. (F2)x1
SPEAKER
STEP REMOVAL
1 Front Panel 1. Screw ................ (G1)x4
2 Woofer 1. Screw ................ (G2)x4
Speaker Cord
Holder
Front Panel
Tweeter
Woofer
(G2) x4
ø3x 8mm
Speaker Box
Figure 4-4
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DISASSEMBLY

PROCEDURE FIGURE
4-1
4-2
4-2
(B3) x1
ø3 x8mm
4-2
4-2
4-3
PROCEDURE FIGURE
4-4
4-4
Speaker
Cord
Driver
UNIT
(G1) x4
ø3 x14mm
– 4 –
(A2) x2
ø3 x10mm
(A3) x1
ø3 x14mm
(A5) x3
ø3 x8mm
(A1) x1
(A4) x1
ø3 x28mm
Figure 4-1
Front Cabinet
Main
PWB
(B4) x1
ø2 x4mm
(E1) x5
ø3x 8mm
(B2) x5
Figure 4-2
Power
Transeformer
(F1) x1
ø3 x8mm
(F2) x1
Main
PWB
(A7) x1
Front
Cabinet
(A2) x2
ø3 x10mm
Main
PWB
Rear
Front
(A6) x1
Cabinet
Cabinet
Nat
Washer
Volume
(B1) x1
PWB
(D1)x2
ø3x8mm
LED PWB
Graphic
Equalizer
PWB
Open
Cassette
Holder
(Left/Right)
(C1) x4
ø3x8mm
Tape
Mechanism
Rear Cabinet
Power PWB
Figure 4-3