Sharp CD-C423H (serv.man11) Service Manual ▷ View online
– 7 –
CD-C423H
DISASSEMBLY
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
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.
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.
Figure 7-2
Figure 7-3
1
Top Cabinet
1. Screw ..................... (A1) x4
7-1
2
Side Panel
1. Screw ..................... (B1) x2
7-1
(Left/right)
2. Screw ..................... (B2) x4
3
CD Player Unit/
1. Turn on the power supply,
7-2
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. Socket ................... (C3) x4
the CD cover, and close.
(Note 1)
2. Hook ...................... (C1) x3
3. Hook ...................... (C2) x2
4. Socket ................... (C3) x4
4
Back Board
1. Screw .................... (D1) x7
7-2
5
Tuner PWB
1. Screw .................... (E1) x3
8-1
2. Socket ................... (E2) x1
6
Switch PWB/
1. Screw .................... (F1) x6 8-1.2
Display PWB/
2. Screw .................... (F2) x2
Main PWB/
3. Socket ................... (F3) x4
7
Front Panel
1. Screw .................... (G1) x3
8-2
2. Hook ...................... (G2) x2
8
Tape Mechanism 1. Open the cassette holder.
8-2
2. Screw .................... (H1) x6
9
Turntable
1. Screw .................... (J1) x1
8-3
2. Cover .................... (J2) x1
10
Disc Tray
1. Screw .................... (K1) x2
8-3
2. Guide .................... (K2) x2
11
CD Changer
1. Screw .................... (L1) x4
8-4
Mechanism
12
CD Mechanism
1. Screw .................... (M1) x1
8-4
STEP
REMOVAL
PROCEDURE
FIGURE
Note 1:
How to open the changer manually. (Fig.7-3)
1. Insert the tip of fine screwdriver into the hole of CD player
How to open the changer manually. (Fig.7-3)
1. Insert the tip of fine screwdriver into the hole of CD player
base, and press down the worm wheel < A > .
2. 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.
After that, push forward the CD player base.
Figure 7-1
CD-C423H
CD-C423H
LOCK
LEVER
LEVER
< A >
CD Tray Cover
CD Player Unit
( D1 ) x7
ø3 x8mm
Hook
( C1) x3
( C2 ) x1
( C3 ) x4
Back Board
Main PWB
Front Panel
1
1
2
A
Pull
(C2) x1
( B1 ) x1
ø3 x10mm
( B2 ) x2
ø3 x12mm
( B2 ) x2
ø3 x12mm
( B1 ) x1
ø3 x10mm
Top Cabinet
Side Panel
(Right)
Back Board
Side Panel
(Left)
( A1 ) x2
ø3 x12mm
( A1 ) x2
ø3 x12mm
CD-C423H
– 8 –
Figure 8-1
Figure 8-2
Figure 8-3
Figure 8-4
Be careful when installing the CD changer mechanism.
Install the CD changer mechanism on the CD player base after
the shift lever has been set in the highest position.
Install the CD changer mechanism on the CD player base after
the shift lever has been set in the highest position.
( F3 ) x2
( F3 ) x1
( E2 ) x1
( F1 ) x1
ø3 x 8mm
( F2 ) x1
ø3 x10mm
( F1 ) x3
ø3 x10mm
( F2 ) x1
ø3 x10mm
( E1 ) x3
ø3 x10mm
( F1 ) x2
ø3 x10mm
Main PWB
Tuner PWB
Display
PWB
PWB
Switch PWB
Front Panel
( F3 ) x1
( G1 ) x3
ø3x10mm
( H1 ) x6
ø3x10mm
(G2 ) x1
(G2 ) x1
Tape
Mechanism
Mechanism
Cassette
Holder
Holder
Front Panel
Power PWB
Open
( K1 ) x1
ø2 x 4mm
( K1 ) x1
ø2 x 4mm
( J1 ) x1
ø3 x10mm
Turntable
Disc Tray
( J2 ) x1
( K2 ) x1
( K2 ) x1
CD Player Unit
Washer
( L1 ) x4
ø2.6 x 5mm
(M1 ) x1
ø2.6 x10mm
CD Changer
Mechanism
CD Mechanism
Shift Lever
CD Player Base
– 9 –
CD-C423H
1
Front Speaker
1. Net Frame .............. (A1) x1 9-1
2. Duct Panel ............. (A2) x1
3. Screw ..................... (A3) x2
4. Screw ..................... (A4) x4
3. Screw ..................... (A3) x2
4. Screw ..................... (A4) x4
Figure 9-1
CP-C423H
STEP
REMOVAL
PROCEDURE
FIGURE
Notes:
The Surround speakers (GBOXS0018AWZZ) can be easily
disassembled.Therefore the disassembling method is not
discribed.For details refer to the disassembling drawing in the
Parts Guide.
The Surround speakers (GBOXS0018AWZZ) can be easily
disassembled.Therefore the disassembling method is not
discribed.For details refer to the disassembling drawing in the
Parts Guide.
Figure 9-4
Figure 9-3
How to remove the pickup (See Fig. 9-4)
1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2)
x 1 pcs.
2. Remove the stop washer (B3) x 1 pc., to remove the gear
(B4) x 1 pc.
3. Remove the pickup.
REMOVING AND REINSTALLING THE MAIN PARTS
CD MECHANISM SECTION
Perform steps 1, 2, 3, 13 and 14 of the disassembly method
to remove the CD mechanism.
to remove the CD mechanism.
How to remove the loading motor
(See Fig. 9-3)
(See Fig. 9-3)
1. Remove the screws (A1) x 2 pcs., to remove the loading
motor.
( A1 ) x2
ø2.6 x5mm
ø2.6 x5mm
Loading / Up
/ Down Motor
/ Down Motor
Motor
PWB
PWB
( B1 ) x2
ø2.6 x6mm
ø2.6 x6mm
Shaft
( B2 ) x1
( B2 ) x1
Stop Washer
( B3 ) x1
( B3 ) x1
Gear
( B4 ) x1
( B4 ) x1
CD Mechanism
Pickup
Screwdriver
Woofer
Tweeter
Net Frame
( A1 ) x1
( A1 ) x1
( A3 ) x2
ø4x14mm
ø4x14mm
( A4 ) x4
ø4x14mm
ø4x14mm
Duct Panel
( A2 ) x1
( A2 ) x1
Display
