Disassembly - Sharp CD-MPS440W Service Manual

CD-MPS440W

[2] DISASSEMBLY

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 cassette tape and compact disc out of the unit.
2) Be sure to remove the power supply plug from the wall outlet
before starting to disassemble the unit.
3) Take off nylon bands or wire holders where they need to be
removed when disassembling the unit. After servicing the unit,
be sure to rearrange the leads where they were before disas-
sembling.
4) Take sufficient care on static electricity of integrated circuits and
other circuits when servicing.
STEP REMOVAL
1 Top Cabinet 1.
2 Side Panel 1.
(Left/Right)
3 CD Player unit 1.
2.
3.
4.
5.
4 Rear Panel 1.
5 Main PWB 1.
2.
3.
6 Front PWB 1.
2.
3.
7 Display PWB 1.
8 Tape Mecha- 1.
nism 2.
9 Headphones 1.
PWB
10 CD Servo 1.
PWB 2.
3.
4.
11 Turntable 1.
2.
12 Loading Tray 1.
2.
13 CD Mechanism 1.
Block
Note 1: How to open the change manually. (Fig. 3)
1. In this state, turn fully the loading Gear in the arrow direction
through the hold on the loading tray bottom.
2. After that, push forward the loading tray.
Note 2:
1. After removing the connector for the optical pickup from the con-
nector, wrap the conductive aluminium foil around the front end of
the connector so as to protect the optical pickup from electrostatic
damage.
PROCEDURE
Screw......................(A1) x 5
Screw......................(B1) x 8
Turn on the power supply,
open the disc tray, take out
the CD tray cover, and
close.......................(Note 1)
CD Tray Cove.........(C1) x 1
Hook.......................(C2) x 2
Socket.....................(C3) x 1
Socket.....................(C4) x 2
Screw......................(D1) x 8
Screw......................(E1) x 3
Socket.....................(E2) x 9
Socket.....................(E3) x 2
Screw......................(F1) x 3
Hook........................(F2) x 2
Socket.....................(F3) x 1
Screw....................(G1) x 13
Open the cassette holder.
Screw......................(H1) x 8
Screw.......................(J1) x 1
Screw......................(K1) x 4
Socket.....................(K2) x 3
Flat Cable...............(K3) x 1
Solder......................(K4) x 2
Screw......................(L1) x 1
Spacer.....................(L2) x 1
Push forward the loading
tray.
Inserting the flat head into
the hole, push in the direc-
tion indicated by the
arrow......................(M1) x 2
Hook.......................(N1) x 2
(A1)x2
3x16mm
ø
Side Panel
(Right)
(B1)x2
3x8mm
ø
FIGURE
(A1)x1
1 3x8mm
ø
1
(B1)x4
ø
2
4
2
2
CD Servo
4
PWB
5
4
(C3)x1
5
5
5
Rear
Panel
6
7
(D1)x6
7
3x8mm
ø
8
Loading Gear
CD Player Unit
(Bottom View)
3 – 4
Top Cabinet
3x10mm
Rear Panel
Figure 1
CD Player Unit
(C2)x1
Pull 2
1
(D1)x2
3x10mm
ø
Figure 2
Front Side
or
Figure 3
Front
Panel
(A1)x2
3x16mm
ø
Side Panel
(Left)
(B1)x2
3x8mm
ø
CD Tray Cover
(C1)x1
1
2
(C2)x1
Pull
(E1)x2
3x6mm
ø
Main
PWB
(E1)x1
3x10mm
ø