Disassembly - Sharp MD-MT877S Service Manual

MD-MT877/MD-MT877C
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) x5
2 Top Cabinet 1. Open the Top cabinet.
2. Screw ..................... (B1) x4
3. Flexible PWB .......... (B2) x1
3 Main PWB 1. Open the rechargeable
2. Screw .................... (C1) x1
3. Flexible PWB ......... (C2) x2
4 MD Mechanism 1. Pull the main frame to the A
2. Screw .................... (D1) x1
5 LCD PWB 1. Screw ...................... (E1) x6
2. Hook ....................... (E2) x4
Top Cabinet
Figure 10-4

DISASSEMBLY

PROCEDURE
battery compartment of the
direction indicated by arrows.
direction and remove the MD
mechanism upward.
(E1) x 6
ø 1.4 x 2 mm
(E2) x 4
LCD PWB
(B1) x 2
ø 1.4 x 2 mm
(A1) x 1
ø 1.4 x 2 mm
Bottom Cabinet
FIGURE
10-1
10-1
10-2
(C2) x 1(1*)
10-2
Battery
Cover
10-3
2
1
10-4
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.
A
– 10 –
Top Cabinet
O P
O P
E N
E N
E N E N
O P O P
EJECT
Knob
(A1) x 1
ø 1.4 x 2 mm
Figure 10-1
Main PWB
pull
pull
N
P E
O
Main Frame
Figure 10-2
MD Mechanism
O P
E N
(D1) x 1
ø 1.4 x 1.5 mm
Figure 10-3
(A1) x 2
ø 1.4 x 2 mm
(B1) x 2
ø 1.4 x 2 mm
(A1) x 1
ø 1.4 x 2 mm
(B2) x 1
(C2) x 1
(C1) x 1
ø 1.4 x 2.5 mm
Main Frame