Service manual

MD-SR50H/50W/60E/60W
– 8 –
1 Bottom Cabinet 1. Screw .....................(A1) x6 8-1
2 Top Cabinet 1. Open the Top cabinet. 8-1
2. Open the Battery Cover.
3. Screw .....................(B1) x4
4. Flexible PWB.......... (B2) x2 8-2
3 Main PWB 1. Screw .................... (C1) x4 8-2
2. Flexible PWB......... (C2) x2
3.Solder joint ............. (C3) x2
4 Mechanism Unit 1. Raise the rear part, and 8-3
remove in the arrow direction.
DISASSEMBLY
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 restore the
initial location of wires.
Since the screws are small, incorrect fixing may result in
malfunction.
3. When repairing, pay utmost attention to static electricity
of IC.
REMOVAL
PROCEDURE
STEP
FIGURE
Figu re 8-1
Figure 8-2Figure 8-3
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.
(B1)x2
ø1.4x2mm
(B1)x2
ø1.4x2mm
(A1)x2
ø1.4x2mm
(A1)x2
ø1.4x2mm
(A1)x2
ø1.4x2mm
Open Lever
Bottom Cabinet
Top Cabinet
(A1)x2
ø1.4x2mm
Battery Cover
Mechanism Unit
(C3)x1
(C3)x1
pull
pull
pull
pull
pull
pull
Put the fold on the connector, and apply
with the felt. Sagging may result in
contact with the sheet matal
Felt
(C1)x4
ø1.7x2.5mm
Main PWB
(B2)x2
(C2)x1
(C2)x1*
Mechanism Unit