CD-C491H (serv.man4) - Sharp Audio Service Manual (repair manual). Page 12

– 12 –

1

Top Cabinet

1. Screw ..................... (A1) x4

12-1

2

Side Panel

1. Screw ..................... (B1) x8

12-1

(Left/right)

3

CD Player Unit/

1. Turn on the power supply,

12-2

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. Screw ..................... (C3) x1
5. Socket .................... (C4) x3

4

Dolby PWB

1. Flat cable ............... (D1) x2

13-1

2. Socket .................... (D2) x1
3. Screw ..................... (D3) x12

5

Tuner PWB

1. Socket .................... (E1) x1

13-1

2. Screw ..................... (E2) x5

6

Rear Panel

1. Screw ..................... (F1) x11 12-2,13-1

7

Main PWB

1. Flat cable ............... (G1) x2

13-1

2. Flat wire ................. (G2) x3
3. Socket ...................... (G3) x4
4. Screw ....................... (G4) x3

8

Front Panel

1. Flat wire ................. (H1) x1

13-2

2. Screw...................... (H2) x2

9

Power Amp. PWB 1. Socket .................... (J1) x3

13-3

with Heat Sink

2. Screw ..................... (J2) x6

10

Power Supply PWB 1. Screw ..................... (K1) x6

13-4

11

Display PWB

1. Knob ....................... (L1) x2

13-4

2. Nut .......................... (L2) x1
3. Screw ..................... (L3) x12 13-2,4

12

CD Switch PWB

1. Screw ..................... (M1) x3

13-4

13

Headphones

1. Screw ..................... (N1) x1

13-4

14

Tape Mechanism 1. Open the cassette holder.

2. Screw ..................... (P1) x6

13-4

15

Turntable

1. Screw ..................... (Q1) x1

13-5

2. Cover ..................... (Q2) x1

16

Disc Tlay

1. Screw ..................... (R1) x2

13-5

2. Guide ..................... (R2) x2

17

CD Player Unit/

1. Screw ..................... (S1) x1

13-6

CD Servo PWB

2. Socket .................... (S2) x4

18

CD Changer

1. Screw ..................... (T1) x4

14-1

Mechanism

19

CD Mechanism

1. Screw ..................... (U1) x1

14-1

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 suffcient care on static electricity of integrated

circuits and other circuits when servicing.

( B1 ) x2
ø3 x8mm

( B1 ) x4
ø3 x8mm

( B1 ) x2
ø3 x8mm

Top Cabinet

Side Panel
(Right)

Rear Panel

Side Panel
(Left)

( A1 ) x2
ø3 x12mm

( A1 ) x2
ø3 x12mm

LOCK 
     LEVER

Note
How to open the changer manually. (Fig. 12-3)
1. Then, 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.

CD Tray Cover

CD Player
Unit

( F1 ) x10
ø3 x8mm

( C3 ) x1
ø3 x8mm

Hook
( C1 ) x3

( C2 ) x1

( C4 ) x2

Rear Panel

Main PWB

Front Panel

1

1

2

A

Tuner PWB

Pull

(C2) x1