Disassembly - Sharp WF-1000W 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 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
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.
MAIN UNIT
STEP REMOVAL
1 Front Cabinet/
Rear Cabinet
2 Main PWB/
Graphic Equalizer 2. Socket .................. (B2)x3
PWB/
Volume PWB/
Fine Tuning PWB 5. Mic ....................... (B5)x1
3 Tape mechanism 1. Open the cassette holder.
4 Power PWB/
Terminal A PWB/ 2. Screw ................... (D2)x2
Terminal B PWB
SPEAKER UNIT
STEP REMOVAL
1 Speaker
(A2)x1
ø3x6mm
(A3)x4
ø3x20mm
(A2)x1
ø3x10mm
(A1)x1
PROCEDURE
1. Battery Compartment Lid.
................................. (A1)x1
2. Screw ................... (A2)x3
3. Screw ................... (A3)x4
4. Socket .................. (A4)x1
1. Knob ..................... (B1)x1
3. Screw ................... (B3)x5
4. Screw ................... (B4)x2
2. Screw ................... (C1)x6
1. Screw ................... (D1)x3
3. Bracket ................. (D3)x1
4. Screw ................... (D4)x2
5. Hook ..................... (D5)x2
PROCEDURE
1. Screw ................... (E1)x5
2. Front Panel .......... (E2)x1
3. Screw ................... (E3)x4
Main PWB
(A4)x1
ø3x6mm
Rear
Cabinet
Figure 5-1

DISASSEMBLY

Front Cabinet
Main PWB
(B4)x2
ø3x10mm
(C1)x4
ø3x10mm
FIGURE
5-1
5-2
Rear Cabinet
5-2
5-3
(D1)x3
ø3x10mm
(D2)x2
FIGURE
ø4x16mm
(D3)x1
5-4
Front Panel
(E2)x1
Tweeter
Woofer
Front
Cabinet
Main Unit
(A2)x1
– 5 –
Fine Tuning PWB Volume
PWB
(B3)x5
ø3x10mm
(C1)x2
(B2)x3
ø3x10mm
Figure 5-2
Power
Transformer
Terminal B
(D4)x2
PWB
ø3x10mm
Terminal A
PWB
Figure 5-3
(E3)x4
ø3x10mm
Speaker
Release
Lever
Speaker Box
Figure 5-4
WF-1000W
Graphic
Equalizer PWB
(B1)x1
Nat
Washer
Open
(B5)x1
Cassette
Holder
(Left/Right)
Tape
Mechanism
Voltage Selector
AC Socket
Power
PWB
(D5)x2
Speaker Cord
Speaker
Holder
Cord
Driver
(E1)x5
ø4x16mm