Disassembly - Sharp MD-MS702MK Service Manual

MD-MS702MK
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 the battery and minidisc out of the unit.
2. When disassembling the machine, be sure to withdraw
the power plug from the socket in advance.
3. When disassemble the parts, remove the nylon band or
wire holder as necessary.
To assemble after repair, be sure to arrange the wires as
they were.
If a screw of different length is fitted to the MD mecha-
nism (the screw of the part to be fitted to the MD
mechanism chassis), it may contact the optical pickup,
resulting in malfunction.
4. When repairing, pay due attention to electrostatic charges
of IC.
REMOVAL
STEP
1 Bottom Cabinet 1. Open the battery Lid.
2. Screw ..................... (A1) x6
2 Top Cabinet 1. Screw ..................... (B1) x4
2. Flat Cable ............... (B2) x2
3 Main PWB 1. Screw .................... (C1) x2
2. Flat Cable ............... (C2) x3
4 Mechanism Unit 1. Lift the left side, and remove
in the arrow direction.
Note:
1. Handle carefully the main PWB and flexible PWB.
After removing the flexible PWB (*1) for optical pickup from
the connector, wrap the front end of flexible PWB in conduc-
tive aluminum foil so as to protect the optical pickup from
electrostatic damage.
2. When removing the mechanism from the cabinet or when
installing it, it is advisable to
rotate the unit lock plate to lower the holder section.

DISASSEMBLY

PROCEDURE FIGURE
8-1
8-1
8-2
8-2
8-3
Pull
(A1)x1
Ø1.4x2mm
(B1)x1
Ø1.4x2mm
Center
Cabinet
Top Cabinet
Ø1.7x2.5mm
Main PWB
Pull
Pull
Pull
(C2)x1
Pull
(C2)x1
Mechanism Unit
– 8 –
(A1)x2
Ø1.4x2mm
(A1)x1
Ø1.4x2mm
(B1)x1
Ø1.4x2mm
Bottom Cabinet
Ø1.4x2mm
(B1)x2
Ø1.4x2mm
Figure 8-1
(C1)x1
(C1)x1
(C2)x1
Ø1.7x2.5mm
Pull
(B2)x1
Pull
Pull
Pull
Figure 8-2
Figure 8-3
(A1)x2
(B2)x1