Disassembly - Sharp XL-520H 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 be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.
XL-520H/520E
STEP REMOVAL
1 Top Cabinet 1. Screw .................. (A1) x4
2. Socket ................. (A2) x3
3. Screw .................. (A3) x1
2 Side Panel 1. Screw .................. (B1) x7
(Left/Right)
3 Back Board 1. Screw .................. (C1) x4
(With Power 2. Socket ................. (C2) x3
Amp. PWB)
4 Front Panel 1. Screw .................. (D1) x4
2. Socket ................. (D2) x3
5 Display PWB/ 1. Screw .................. (E1) x6
CD Servo PWB 2. Socket ................. (E2) x1
6 Main PWB 1. Screw .................. (F1) x4
2. Shield Plate ......... (F2) x1
7 Power Supply PWB 1. Screw .................. (G1) x5
8 Tape Mechanism 1. Screw .................. (H1) x4
9 CD Mechanism 1. Screw .................. (J1) x3
CP-520/520E
STEP REMOVAL
1 Woofer 1. Net ........................... (A1) x1
3. Screw ...................... (A2) x4
CP-520/520E
Net
(A1x1)
(A2)x4
ø4x12mm
Screw
driver
Direction of handle
Figure 7-5

DISASSEMBLY

PROCEDURE
FIGURE
7-1
7-1
7-1
7-2
7-2
7-2
7-2
7-3
7-4
PROCEDURE FIGURE
Speaker Box
Woofer
XL-520H/520E
(A3)x1
ø3x10mm
Top
Cabinet
Swicth
PWB
(A1)x1
ø3x12mm
Front
Panel
Side Panel
(B1)x2
ø3x10mm
Front Panel
Display PWB
(E2)x1
(D2)x1
(D1)x2
ø3x10mm
7-5
Front Panel
Open
CD Mechanism
Top Cabinet
– 7 –
XL-520H,520E/CP-520,520E
Top Cabinet
(A1)x1
ø3x12mm
(A2)x2
(A1)x2
ø3x10mm
Rear
(C1)x2
Panel
ø3x10mm
Figure 7-1
(E1)x6
ø3x10mm
Main
PWB
Main PWB
(D1)x1
(D2)x2
ø3x10mm
(D1)x1
ø3x10mm
CD Servo PWB
(F1)x1
ø3x10mm
Power Supply
(G1)x1
PWB
ø3x10mm
Power
Transformer
Figure 7-2
Tape Mechanism
(H1)x4
ø3x10mm
Figure 7-3
(J1)x3
ø2.6x10mm
Figure 7-4
CD
Mechanism
(A2)x1
(B1)x2
ø3x10mm
(B1)x3
ø3x10mm
(C1)x2
ø3x10mm
(C2)x3
Back
Board
Power Amp PWB
CD Servo
PWB
(F2)x1
(F1)x1
ø3x10mm
(G1)x4
ø4x6mm
(F1)x1
ø3x10mm