Disassembly - Sharp MD-MT88H S Service Manual

MD-MT88H/99H
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.
REMOVAL
STEP
1 Bottom Cabinet 1. Screw ..................... (A1) x6
2 Top Cabinet 1. Open the Top cabinet.
2. Screw ..................... (B1) x4
3. Flexible PWB .......... (B2) x2
3 Main PWB 1. Open the Battery Lid.
2. Screw .................... (C1) x4
3. Flexible PWB ......... (C2) x2
4. Soldering ............... (C3) x2
4 Mechanism Unit 1. Screw .................... (D1) x2
2. Raise the rear part, and
remove in the arrow direction.
Mechanism Unit
(D1) x1
ø1.4 x1.5mm
Center Cabinet
Figure 12-3

DISASSEMBLY

PROCEDURE FIGURE
12-1
12-1
12-2
12-1
12-2
12-3
(D1) x1
ø1.4 x1.5mm
(A1) x1
ø1.4 x2mm
(B1) x2
ø1.4 x2mm
Top Cabinet
(A1) x2
ø1.4 x2mm
Open Lever
(C3) x1
Main PWB
(C1) x3
ø1.7 x2.5mm
Pull
(C2) x1*
Pull
Felt
Put the fold on the connector, and apply
with the felt. Sagging may result in contact
with the sheet metal.
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.
– 12 –
(A1) x2
ø1.4 x2mm
Battery Lid
(B1) x2
ø1.4 x2mm
(A1) x1
ø1.4 x2mm
Bottom Cabinet
Figure 12-1
(C1) x1
ø1.4 x2.5mm
(B2) x2
(C2) x1
Pull
Pull
Pull
(C3) x1
Center Cabinet
Figure 12-2