XL-HP404 (serv.man13) - Sharp Audio Service Manual (repair manual). Page 13

XL-HP404E/HP404H

3 – 3

After removing the connector for the optical pickup from the connector,
wrap the conductive aluminium foil around the front end of the connec-
tor so as to protect the optical pickup from electrostatic damage.

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 disas-
sembling.

4) Take sufficient care on static electricity of integrated circuits and 

other circuits when servicing.

1

Cabinet

1. Screw..........................(A1) x11

1

2

Rear Panel Top 

1. Screw............................(B1) x2

1

3

CD Changer unit

1. Hook.............................(C1) x2
2. Socket..........................(C2) x1
3. Flat Cable.....................(C3) x1

2

4

Rear Panel Bot-
tom

1. Screw...........................(D1) x8

2

5

Front Panel

1. Screw...........................(E1) x3
2. Flat Cable....................(E2) x2
3. Socket..........................(E3) x1
4. Hook............................(E4) x2

2,3

3

6

Turner PWB

1. Screw............................(F1) x1
2. Socket..........................(F2) x1

2
3

7

Main PWB

1. Screw...........................(G1) x2
2. Socket.........................(G2) x4

2,4

4

8

Power PWB

1. Screw...........................(H1) x4

4

9

Terminal PWB

1. Screw............................(J1) x1

4

10

Display PWB

1. Knob.............................(K1) x1
2. Screw...........................(K2) x 8
3. Flat Cable....................(K3) x 1

5

11

Tape Mechanism

1. Screw...........................(L1) x 4

5

12

Headphones 
PWB

1. Screw..........................(M1) x 1

5

11

CD Servo PWB
(Note 1)

1. Screw...........................(N1) x2
2. Flat Cable...................(N2) x 2
3. Socket..........................(N3) x1

6

12

CD Mechanism

1. Screw...........................(P1) x4
2. Screw...........................(P2) x4

6
7

(A1) x3

ø3x8mm

(A1) x1

ø3x8mm

(A1) x1

ø3x8mm

(A1) x2

ø3x8mm

(B1) x2

ø3x10mm

(A1) x2

ø3x8mm

(A1) x2

ø3x8mm

Front Panel

Cabinet

Rear

Panel Bottom

Rear

Panel Top

(D1) x8
ø3x8mm

(F1) x1
ø3x8mm

(G1) x1
ø3x10mm

(E1) x1
ø3x10mm

(E2) x1

(C2) x1

(C3) x1

Front Panel

Rear
Panel Bottom

Hook
(C1)x1

Hook
(C1)x1

Pull

Pull

CD Changer
Unit

Main PWB

Headphones
PWB

CD Servo PWB

(F2) x1

(E1) x2
ø3x10mm

Front Panel

Turner PWB

Main PWB

(E2) x1

Pull

(E3) x1

Tape
Mechanism

Pull

Hook
(E4)x1

Hook
(E4)x1