Disassembly - Sharp WF-930Z(BK) 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/
Rear Cabinet
2 Main PWB/
Volume PWB
3 Graphic Equalizer 1. Screw ................ (C1)x4
PWB
4 LED PWB
5 Tape Mechanism
6 Power PWB
SPEAKER
STEP REMOVAL
1 Front Panel
2 Woofer
Speaker Cord
Holder
Front Panel
Tweeter
Woofer
(G2) x4
ø3x 8mm
Speaker Box
Figure 4-4
PROCEDURE
1. Battery Compartment
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
1. Knob ................. (B1)x1
2. Socket ............... (B2)x5
3. Screw ................ (B3)x1
4. Screw ................ (B4)x1
1. Screw ................ (D1)x2
1. Open the cassette holder
2. Screw ................ (E1)x5
1. Screw ................ (F1)x1
2. Bracket .............. (F2)x1
PROCEDURE
1. Screw ................ (G1)x4
1. Screw ................ (G2)x4
Speaker
Cord
Driver
UNIT
(G1) x4
ø3 x14mm

DISASSEMBLY

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