Sharp WF-1000W, Service Manual

Page: 5 / 20

WF-1000W
– 5 –
DISASSEMBLY
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.
STEP REMOVAL PROCEDURE FIGURE
1 Front Cabinet/ 1. Battery Compartment Lid. 5-1
Rear Cabinet ................................. (A1)x1
2. Screw ................... (A2)x3
3. Screw ................... (A3)x4
4. Socket .................. (A4)x1
2 Main PWB/ 1. Knob ..................... (B1)x1 5-2
Graphic Equalizer 2. Socket .................. (B2)x3
PWB/
3. Screw ................... (B3)x5
Volume PWB/ 4. Screw ................... (B4)x2
Fine Tuning PWB 5. Mic ....................... (B5)x1
3 Tape mechanism 1. Open the cassette holder. 5-2
2. Screw ................... (C1)x6
4 Power PWB/ 1. Screw ................... (D1)x3 5-3
Terminal A PWB/ 2. Screw ................... (D2)x2
Terminal B PWB
3. Bracket ................. (D3)x1
4. Screw ................... (D4)x2
5. Hook ..................... (D5)x2
Figure 5-4
Figure 5-2
Figure 5-1
Figure 5-3
STEP REMOVAL PROCEDURE FIGURE
1 Speaker 1. Screw ................... (E1)x5 5-4
2. Front Panel .......... (E2)x1
3. Screw ................... (E3)x4
MAIN UNIT
SPEAKER UNIT
(A1)x1
(A4)x1
Front
Cabinet
Rear
Cabinet
(A2)x1
ø3x6mm
(A2)x1
ø3x6mm
(A3)x4
ø3x20mm
(A2)x1
ø3x10mm
Main PWB
Rear Cabinet
(D1)x3
ø3x10mm
(D2)x2
ø4x16mm
(D4)x2
ø3x10mm
Power
Transformer
Voltage Selector
AC Socket
(D3)x1
Power
PWB
Terminal B
PWB
Terminal A
PWB
(D5)x2
(E3)x4
ø3x10mm
(E1)x5
ø4x16mm
Speaker Box
Main Unit
Speaker
Release
Lever
Speaker Cord
Holder
Speaker
Cord
Driver
Woofer
Tweeter
Front Panel
(E2)x1
Front Cabinet
Washer
Nat
(B1)x1
(B4)x2
ø3x10mm
(C1)x4
ø3x10mm
(B3)x5
ø3x10mm
(C1)x2
ø3x10mm
Tape
Mechanism
(B5)x1
(B2)x3
Cassette
Holder
(Left/Right)
Open
Fine Tuning PWB Volume
PWB
Graphic
Equalizer PWB
Main PWB