Disassembly - Sharp MD-DR470HS Service Manual

MD-DR470H/MD-DR480H
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. Remove the rechargeable .
2. Screw ..................... (A1) x5
2 Main PWB 1. Screw ..................... (B1) x3
2. Flexible PWB .......... (B2) x3
3 Top Cabinet 1. Open the Top cabinet.
2. Screw .................... (C1) x4
4 MD Mechanism 1. Remove the center cabinet
2. Screw .................... (D1) x1
5 LCD Unit/ 1. Screw ...................... (E1) x2
Operation Button
Flexible PWB Ass'y
ø1.4x2.5mm
LCD Unit
Top Cabinet
Figure 6-4
PROCEDURE
battery cover as indicated
by the arrow.
as indicated by the arrow.
(E1)x2
Operation Button
Flexible PWB Ass'y

DISASSEMBLY

Bottom Cabinet
FIGURE
6-2
6-1
6-2
Battery
Cover
6-1
2
6-2
6-3
1
6-4
EJECT Frame
Ass'y
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.
Center Cabinet
EJECT Frame Ass'y
– 6 –
(A1)x2
ø1.4x1.5mm
Top Cabinet
O P
E N
E N
O P
EJECT
Knob
(A1)x1
ø1.4x1.5mm
Figure 6-1
(B2)x1(1*)
(C1)x2
ø1.4x1.5mm
Pull
Pull
Center Cabinet
Top Cabinet
ø1.4x1.5mm
Figure 6-2
MD Mechanism
O P
E N
(D1)x1
ø1.4x1.5mm
Figure 6-3
(A1)x1
ø1.4x1.5mm
(A1)x1
ø1.4x1.5mm
(B1)x3
ø1.4x2.5mm
(B2)x1
(B2)x1
Main PWB
(C1)x2
Main Frame Ass'y