Sharp MD-R3 Service Manual page 9

CD Changer
Block
Tray
Switch
PWB
(N2)x2
(P1)x1
ø2x7mm
(N1)x2
(Remove 4 soldering joints).
ø2.6x10mm
Figure 9-1
(Q3) x1
(Q1) x2
(Q5) x1
ø2 x7mm
ø2.6 x12mm
Spring
(Q2) x1
Normal state
Disc Tray 1
Disc Tray 2
Disc Tray 3
(Q4) x3
Push the pawl of disc tray
with a proper screwdriver.
Back surface
Pawl
Disc Tray 3
(After drawing out the disc trays 1, 2, and 3, turn
over the mechanism unit, push two pawls, and
remove successively the three disc trays from the
mechanism unit, starting with the disc tray 3.
Thereby the CD mechanism shown in the right
figure can be removed.)
Figure 9-2
CD
Servo PWB
(M2)x3
(M1)x3
ø3x10mm
CD Changer PWB
Push
.
Pawl
(Q6) x1
(Q7) x1
CD
Mechanism
(Q8) x4
ø2.6 x10mm
Turn clockwise the
main cam to raise the
CD mechanism up to
the uppermost position.
Press in turns the arrow
1
parts, starting with the
2
uppermost one, to
3
withdraw the disc trays
Pawl
Disc Tray 1
Disc Tray 2
(R1) x 2
ø3 x 6mm
MD Mechanism
Unit
Pickup Flexible MD Main PWB
PWB (*1)
Pull
(S2)x1
(*1) After disconnecting the optical
pickup flex PWB from the
connector wrap the front end of
flex PWB in conductive aluminium
foil so as to prevent electrostatic
damage of optical pickup.
MD Mechanism
(T1)x4
ø1.7x8.9mm
– 9 –
MD-R3
Shield Case
(R1) x 2
ø3 x 6mm
Figure 9-3
(S2) x 1
(S1) x 4
ø1.7 x 3mm
(S3) x 1
(S2) x 3
Figure 9-4
Figure 9-5
Frame