Disassembly - Sharp MD-MT180 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.
REMOVAL
STEP
1 Bottom Cabinet 1. Screw ..................... (A1) x5
2. Open the Battery Door.
3. Hook ....................... (A2) x1
2 Top Cabinet 1. Open the Top cabinet.
2. Screw ..................... (B1) x2
3. Flexible PWB .......... (B2) x2
3 Main PWB 1. Screw .................... (C1) x3
2. Flexible PWB ......... (C2) x2
3. Hook ...................... (C3) x3
4 Mechanism Unit 1. Screw .................... (D1) x2
(D1) x1
ø1.4 x1.5mm
Mechanism Unit
Figure 9-3

DISASSEMBLY

PROCEDURE FIGURE
9-1
9-1
9-2
9-2
9-3
Bracket
(D1) x1
ø1.4 x1.5mm
(A1) x1
ø1.4 x2.5mm
Top Cabinet
(A1) x2
ø1.4 x4mm
Open Lever
(A1) x1
ø1.4 x4mm
(C1) x1
ø1.4 x2.5mm
*(C2) x1
Main PWB
Hook
(C3) x3
Top Cabinet
EJECT SWITCH
Caution:
Carefully handle the main PWB and flexible PWB. After removing the
flexible PWB (*) 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-MT180
(A1) x1
ø1.4 x2.5mm
Bottom Cabinet
Battery Terminal
Battery Door
2
Hook
1
(A2) x1
Pull
Figure 9-1
(B2) x2
(C1) x1
ø1.4 x2mm
(C2) x1
Pull
(C1) x1
ø1.4 x2.5mm
Pull
Pull
Pull
(B1) x2
ø1.4 x2.5mm
Be careful not to break the EJECT
SWITCH when remove and attach
the bottom cabinet.
Figure 9-2