QT-CD50H (serv.man3) - Sharp Audio Service Manual (repair manual). Page 4

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.

– 4 –

1

Front Cabinet

1. Open the cassette holder.

4-1

(With LCD PWB)

2. Screw .................. (A1) x4

3. Screw .................. (A2) x3
4. Socket ................. (A3) x1

2

LCD PWB

1. Screw .................. (B1) x3

4-2

2. Holder ................. (B2) x1
3. Screw .................. (B3) x4

3

Tuner PWB

1. Screw .................. (C1) x1

4-3

(With Volume PWB) 2. Screw .................. (C2) x4

3. Screw .................. (C3) x1
4. Lug wire .............. (C4) x1

4

Top Cabinet

1. Screw .................. (D1) x2

4-3

(With CD Mechanism/

2. Screw .................. (D2) x4

Tape Mechanism/

3. Socket ................. (D3) x3

Beat Cut PWB)

5

Beat Cut PWB

1. Screw .................. (E1) x2

4-3

6

Volume PWB/

1. Knob .................... (F1) x2

4-3

Power Amp. PWB/

2. Socket ................. (F2) x1

Earphon PWB

3. Screw .................. (F3) x2

7

Volume PWB

1. Screw .................. (G1) x2

4-4

8

Power Amp. PWB/

1. Screw .................. (H1) x3

4-4

Earphon PWB

9

Tape Mechanism

1. Screw ................... (J1) x2

4-5

10

Deck PWB

1. Screw .................. (K1) x3

4-5

11

CD Servo PWB

1. Screw .................. (L1) x4

4-5

(With LCD PWB)

2. Socket ................. (L2) x1

(Note)

3. Flat Cable ........... (L3) x1
4. Screw .................. (L4) x1
5. Switch Bracket ..... (L5) x1

12

CD Mechanism

1. Screw ................. (M1) x4

4-5

(A2) x3
ø3 x36mm

(A1) x1
ø3 x18mm

(A1) x1
ø3 x18mm

(A1) x2
ø3 x18mm

Front Cabinet

Top Cabinet

Rear Cabinet

Cassette
Holder

Open

(A3) x1

Volume PWB

Power Amp.
PWB

(B3) x4
ø2.6 x6mm

(B1) x3
ø2.6 x6mm

(B2) x1

LCD
PWB

Front Cabinet

(J1) x2
ø3 x8mm

(L1) x4
ø2.6 x8mm

(M1) x4
ø2.6 x16mm

(L4) x1
ø2.6 x8mm

(L5) x1

SW1

(K1) x3
ø3 x8mm

Top Cabinet

(L2) x1

(L3) x1

CD Motor PWB

CD Servo PWB

Tape Mechanism

CD
 Mechanism

Deck
PWB

Note. After removing the connector for the optical pickup from

the connector wrap the conducitive aluminum foil around
the front end of connector so as to protect the optical
pickup from electrostatic damage.

(G1) x2
ø2.6 x8mm

Power Amp.
PWB

(H1) x3
ø3 x8mm

Pull

Earphone
 PWB

Pull

Volume
PWB

(C1) x1
ø3 x12mm

(C2) x2     
ø3 x10mm

(C2) x2
ø3 x10mm

(D2) x4
ø3 x10mm

CD Servo
 PWB

Beat Cut 
 PWB

Earphon
 PWB

Volume PWB

Power Amp. 
PWB

Tuner
 PWB (C3)x1

ø3x8mm

(E1) x2
ø2.6x12mm

(D3) x2

(F2) x1

(F3) x2
ø3 x12mm

(F1) x2

(D3) x1

Tape Mechanism

Washer

Lug Wire

(D1) x2
ø3 x8mm

Top Cabinet

CD Servo
 PWB

Rod 
Antenna

(C4)x1