Disassembly - Sharp CD-BP90W Service Manual

CD-BK100W/CD-BP90W
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-BK100W/CD-BP90W
REMOVAL
STEP
1 Top Cabinet 1. Screw ...................... (A1) x4
2 Side Panel 1. Screw ...................... (B1) x8
(Left/Right)
3 CD Tray Cover/ 1. Turn on the power supply, ..
CD Player Unit
2. Hook ........................ (C1) x3
3. Screw ...................... (C2) x1
4. Hook ........................ (C3) x2
5. Socket ..................... (C4) x2
4 Rear Panel 1. Screw ...................... (D1) x6
5 Front Panel 1. Flat Cable ............... (E1) x1
2. Socket ..................... (E2) x4
2. Socket ..................... (E2) x3
3. Tip ........................... (E3) x1
4. Screw ...................... (E4) x3
5. Hook ........................ (E5) x2
6 Main PWB 1. Socket ...................... (F1) x2
2. Screw ....................... (F2) x7
7 Mic PWB 1. Screw ...................... (G1) x1
(CD-BK100W Only) 2. Bracket .................... (G2) x1
8 Display PWB 1. Screw .................... (H1) x11
2. Flat Wire .................. (H2) x1
9 Headphones PWB 1. Screw ....................... (J1) x1
2. Bracket ..................... (J2) x1
10 Tape Mechanism 1. Open the cassette holder. ..
2. Screw...................... (K1) x6
11 Turntable 1. Hook ......................... (L1) x2
2. Cover ....................... (L2) x1
12 Disc Tray 1. Turn fully the lock lever in the
2. While holding the lock lever,rotate
3. Push the slide chassis backward
13 CD Servo PWB 1. Screw ...................... (N1) x1
(Note 2) 2. Socket ..................... (N2) x4
3. Hook ........................ (N3) x2
14 CD Mechanism 1. Hook ........................ (P1) x2
2. Hook ........................ (P2) x3
PROCEDURE
open the disc tray, take out
the CD tray cover, and close.
(Note 1)
(For CD-BK100W)
(For CD-BP90W)
arrow direction.
the cam gear until the cam gear
rib engages with the clamp lever.
to engage the claw with the
groove and remove it in the
direction of the arrow. . (M1) x6

DISASSEMBLY

Note 1: How to open the changer manually. (Fig. 11-1)
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. 11-2)
3. After that, push forward the 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.
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.
CD-BK100W/CD-BP90W
FIGURE
Illustration: CD-BK100W
10-1
10-1
10-2
Side Panel
(Right)
(B1)x2
ø3x7mm
10-2
11-3
(B1)x2
ø3x10mm
(B1)x2
ø3x7mm
CD-BK100W
ONLY
11-3
11-4
11-4
11-4
11-4
(C3)x1
11-5
Pull
11-1
Rear
Panel
11-2
(C2)x1
ø3x10mm
11-6
CD-BK100W
ONLY
12-1
12-2
– 10 –
(A1)x2
ø3x12mm
Rear
Panel
Figure 10-1
CD Servo
PWB
(C4)x2
1
(D1)x1
ø3x7mm
(D1)x5
ø3x10mm
Figure 10-2
Top Cabinet
(A1)x2
ø3x12mm
Side Panel
(Left)
(B1)x2
ø3x7mm
CD Tray Cover
(C1)x3
1
2
CD Player
Pull
Unit
(C3)x1