Disassembly - Sharp CD-BA250H Service Manual

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 disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
CD-BA250H/CD-BA2600H
REMOVAL
STEP
1 Top Cabinet 1. Screw ...................... (A1) x4
2 Side Panel 1. Screw ...................... (B1) x8
(Left/Right)
3 CD Player Unit/ 1. Turn on the power supply, ..
CD Tray Cover open the disc tray, take out
the CD tray cover, and close.
(Note 1)
2. Screw ...................... (C1) x1
3. Hook ........................ (C2) x3
4. Hook ........................ (C3) x2
5. Socket ..................... (C4) x2
4 Rear Panel with 1. Screw .................... (D1) x10
Fan Motor 2. Socket ..................... (D2) x1
5 Main PWB 1. Screw ...................... (E1) x3 11-2,12-2
2. Socket ..................... (E2) x3
3. Flat Cable ............... (E3) x1
4. Flat Wire .................. (E4) x1
6 Front Panel 1. Screw ....................... (F1) x2
7 Display PWB 1. Screw .................... (G1) x12
2. Flat Cable ............... (G2) x1
8 Tape Mechanism 1. Open the cassette holder. ..
2. Screw...................... (H1) x5
9 Headphones PWB 1. Screw ....................... (J1) x1
10 Turntable 1. Hook ........................ (K1) x2
2. Cover ...................... (K2) x1
11 Disc Tray 1. Turn fully the lock lever in the
arrow direction.
2. While holding the lock lever,rotate
the cam gear until the cam gear
rib engages with the clamp lever.
3. Push the slide chassis backward to 12-5
engage the claw with the groove
and remove it in the direction
of the arrow. ............... (L1) x6
12 CD Servo PWB 1. Screw ...................... (M1) x1
(Note 2) 2. Hook ........................ (M2) x2
3. Socket ..................... (M3) x4
13 CD Mechanism 1. Hook ........................ (N1) x2
2. Hook ........................ (N2) x3
Note 1: How to open the changer manually. (Fig. 11-3)
1. In this state, turn fully the lock lever in the arrow direction through
the hole on the loading chassis bottom.
2. While holding the lock lever, rotate the cam gear anticlockwise until the
cam gear rib engages with the clamp lever. (Fig. 12-1)
3. After that, push forward the CD slide chassis.
Note 2:
1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the front end
of the connector so as to protect the optical pickup from electro-
static damage.
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DISASSEMBLY

PROCEDURE FIGURE
11-1
11-1
11-2
11-2
12-2
12-3
12-3
12-3
12-4
11-3
12-1
12-6
13-1
– 11 –
CD-BA250H/CD-BA2600H
CD-BA250H/CD-BA2600H
(A1) x 2
ø3 x 12mm
Side Panel
(Right)
(B1) x 2
ø3 x 10mm
(B1) x 4
ø3 x 10mm
Rear
Panel
Figure 11-1
CD Servo
PWB
(C4) x 2
(C3) x 1
Pull
Rear
Panel
(C1) x 1
ø3 x 10mm
(D2) x 1
Main PWB
(D1) x 8
ø3 x 10mm
Figure 11-2
Figure 11-3
Note 3:
1. Be careful not to break the claw of the CD mechanism.
2. When fining back the cam gear assembly, let it lock by front
movement.
Top Cabinet
(A1) x 2
ø3 x 12mm
Side Panel
(Left)
(B1) x 2
ø3 x 10mm
CD Tray Cover
(C2) x 3
1
1
2
CD Player
Unit
(C3) x 1
(E1) x 1
ø3 x 10mm
Lug Wire
(D1) x 2
ø3 x 10mm
Lock Lever
CD Player Unit
(Bottom View)