Disassembly; Caution On Disassembly - Sharp CDC2900 - 3-CD Compact Stereo System 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 be
removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take suffcient care on static electricity of integrated
circuits and other circuits when servicing.
CD-C622/C2900
STEP REMOVAL
1 Top Cabinet 1. Screw ..................... (A1) x4
2 Side Panel 1. Screw ..................... (B1) x6
(Left/right) 2. Hook ....................... (B2) x2
3 CD Player Unit/ 1. Turn on the power supply,
CD Tray Cover open the disc tray, take out
the CD cover, and close.
(Note 1)
2. Hook ....................... (C1) x3
3. Hook ....................... (C2) x2
4. Socket .................... (C3) x3
4 Back Board 1. Screw ..................... (D1) x5
(with Digital
Output PWB)
5 Main PWB 1. Screw ..................... (E1) x3
2. Socket .................... (E2) x4
3. Flat Wire ................. (E3) x1
4. Tip Wire .................. (E4) x1
5. Flat Cable .............. (E5) x1
6 Front Panel 1. Screw ..................... (F1) x1
7 Display PWB/ 1. Socket .................... (G1) x1
Switch PWB 2. Screw ..................... (G2) x12
8 Tape Mechanism 1. Open the cassette holder.
2. Screw...................... (H1) x5
9 Headphones PWB 1. Screw ..................... (J1) x1
2. Support Bracket ..... (J2) x1
10 Turntable 1. Screw ..................... (K1) x1
2. Cover ..................... (K2) x1
11 Disc Tray 1. Screw ..................... (L1) x2
2. Guide ..................... (L2) x2
12 CD Servo PWB 1. Screw ..................... (M1) x1
(Note 2) 2. Socket .................... (M2) x4
13 CD Changer 1. Screw ..................... (N1) x4
Mechanism
14 CD Mechanism 1. Screw ..................... (P1) x1
Note 1:
How to open the changer manually. (Fig. 9-3)
1. Change, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom in this state.
After that, push forward the CD player base.
Note 2:
1. After removing the connector for the optical pickup fromthe
connector wrap the conductive aluminium foil around the
front end of connector so as to protect the optical pickup
from electrostatic damage.

DISASSEMBLY

PROCEDURE FIGURE
9-1
9-1
9-2
9-2
10-1
10-1
10-2
10-2
10-2
10-3
10-3
10-4
10-5
10-5
(Illustration: CD-C622)
CD-C622/C2900
(A1)x2
ø3x12mm
(B2)x1
(B1)x1
ø3x8mm
Side Panel
(Right)
Back Board
(B1)x4
ø3x8mm
(C2) x1
Pull
(C3) x3
CD Player
Unit
Back Board
(D1)x5
ø3x8mm
LOCK
LEVER
– 9 –
CD-C622/C2900
Top Cabinet
(A1)x2
ø3x12mm
Side Panel
(Left)
(B2)x1
(B1)x1
ø3x8mm
Figure 9-1
CD Tray Cover
Hook
( C1) x3
1
( C2 ) x1
Main PWB
Figure 9-2
Figure 9-3
1
2