Disassembly - Sharp MD-SR60 Service Manual

Cares before disassembling
When assembling the machine after disassembling or
repair, observe the following requirements so as to ensure
safety and performance.
1. Remove the batteries from the machine, and take out the
mini-disc.
2. When assembling after repair, be sure to position the
wires in the same location.
Use the specified screws to fix the cabinet and the
mechanism unit. The use of the screws with length other
than specified may cause contact with the mechanism
unit resulting in malfunction.
3. When repairing, pay close attention so not to damage the
IC from static electricity.
STEP REMOVAL
1 Bottom Cabinet 1. Screw ..................... (A1) x6
2 Top Cabinet 1. Open the Top cabinet.
2. Open the Battery Cover.
3. Screw ..................... (B1) x4
4. Flexible PWB .......... (B2) x2
3 Main PWB 1. Screw .................... (C1) x4
2. Flexible PWB ......... (C2) x2
3. Solder joint ............. (C3) x2
4 Mechanism Unit 1. Raise the rear part, and
remove in the arrow direction.
Figure 9-3

DISASSEMBLY

PROCEDURE FIGURE
9-1
9-1
9-2
9-2
9-3
Mechanism Unit
(B1)x2
ø1.4x2mm
(A1)x2
ø1.4x2mm
Open Lever
(A1)x1
ø1.4x2mm
Bottom Cabinet
(C3)x1
pull
pull
(C2)x1*
(C2)x1
Felt
Fold back the flexible PWBs to put on the
connector, and fix them with felt. Loosening
of the flexible PWBs may cause contact with
the sheet metal, resulting in disconnection or
short circuit.
Caution:
Carefully handle the main PWB and flexible PWB. After removing the
flexible PWB (1*) for the optical pickup from the connector, do not
touch directly the front end of flexible PWB with your hand so as to
prevent damage of optical pickup by static electricity.
– 9 –
MD-SR60
Top Cabinet
(A1)x1
ø1.4x2mm
Battery Cover
(B1)x2
ø1.4x2mm
(A1)x2
ø1.4x2mm
Figure 9-1
(C1)x4
ø1.7x2.5mm
(C3)x1
(B2)x2
pull
pull
pull
pull
Main PWB
Mechanism Unit
Figure 9-2