Sharp SD-CX1 (serv.man5) Service Manual ▷ View online
SD-CX1H
– 12 –
DISASSEMBLY
Figure 12-3
Figure 12-1
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 compact disc and mini disc out of the unit.
2. Be sure to remove the power supply plug from the
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take compact disc and mini 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.
servicing 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.
1
Rear Cabinet
1. Screw ................ (A1) x3
12-1
2. Screw ................ (A2) x8
2
Front Panel
1. Flat Cable .......... (B1) x2
12-2
2. Screw ................ (B2) x2
3. Screw ................ (B3) x5
4. Socket ............... (B4) x3
3. Screw ................ (B3) x5
4. Socket ............... (B4) x3
3
Rear Panel
1. Screw ................ (C1) x3
12-2
2. Screw ................ (C2) x2
3. Screw ................ (C3) x3
3. Screw ................ (C3) x3
4
1 BIT Amp. Unit
1. Screw ................ (D1) x1
12-3
2. Screw ................ (D2) x2
3. Socket ............... (D3) x5
3. Socket ............... (D3) x5
5
Power PWB
1. Screw ................ (E1) x1
13-1
2. Socket ............... (E2) x2
3. Flat Cable .......... (E3) x1
3. Flat Cable .......... (E3) x1
6
Tuner PWB
1. Screw ................ (F1) x1
13-1
2. Socket ............... (F2) x1
7
Main PWB
1. Screw ................ (G1) x3
13-2
2. Flat Cable .......... (G2) x1
8
MD Unit
1. Screw ................ (H1) x4
13-2
9
CD PWB
1. Flat Cable .......... (J1) x1
13-3
(Note)
2. Socket ............... (J2) x5
3. Screw ................ (J3) x3
3. Screw ................ (J3) x3
10
Switch PWB
1. Screw ................ (K1) x1
13-3
11
CD Mechanism
1. Screw ................ (L1) x2
13-3
2. Screw ................ (L2) x2
12
Display PWB/
1. Screw ................ (M1) x11
13-4
CD Eject PWB/
2. Socket ............... (M2) x1
Headphones PWB
3. Hook .................. (M3) x2
13
LED PWB
1. Solder joint ........ (N1) x4
13-4
2. Hook .................. (N2) x1
14
1 BIT Amp. PWB
1. Screw ................ (P1) x2
13-5
2. Fan Motor .......... (P2) x1
3. Screw ................ (P3) x2
4. Fan Bracket ....... (P4) x1
5. Screw ................ (P5) x2
6. Amp. Bracket .... (P6) x1
7. Screw ................ (P7) x4
8. Amp. Heat Sink . (P8) x1
9. Screw ................ (P9) x4
10. Washer ............ (P10) x2
11. Screw .............. (P11) x4
12. Shield Case ..... (P12) x1
13. Screw .............. (P13) x4
3. Screw ................ (P3) x2
4. Fan Bracket ....... (P4) x1
5. Screw ................ (P5) x2
6. Amp. Bracket .... (P6) x1
7. Screw ................ (P7) x4
8. Amp. Heat Sink . (P8) x1
9. Screw ................ (P9) x4
10. Washer ............ (P10) x2
11. Screw .............. (P11) x4
12. Shield Case ..... (P12) x1
13. Screw .............. (P13) x4
13-6
14. Shield Case ..... (P14) x1
STEP
REMOVAL
PROCEDURE
FIGURE
SD-CX1H
(A1)x3
ø3 x12mm
ø3 x12mm
(A2)x1
ø3 x8mm
ø3 x8mm
(A2)x1
ø3 x8mm
ø3 x8mm
(A2)x6
ø3 x8mm
ø3 x8mm
Front Panel
Rear Panel
Rear Cabinet
Note:
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector remove to protect the optical pickup
from electrostatic damage.
Figure 12-2
SD-CX1H
(B2)x2
ø3x8mm
ø3x8mm
(B3)x1
ø3x8mm
ø3x8mm
(B3)x1
ø3x8mm
ø3x8mm
(B3)x3
ø3x8mm
ø3x8mm
(B4)x2
(B1)x2
(C3)x3
ø3x6mm
ø3x6mm
(C1)x3
ø3x8mm
ø3x8mm
(C2)x2
ø3x10mm
ø3x10mm
(B4)x1
Display PWB
Amp. Unit
Front panel
CD PWB
Lug Wire
Tuner
PWB
PWB
Power
PWB
PWB
Rear Panel
(D1)x1
ø3x8mm
ø3x8mm
(D3)x5
(D2)x1
ø3x6mm
ø3x6mm
(D2)x1
ø3x6mm
ø3x6mm
MD Unit
1 Bit Amp.
Unit
Unit
Power PWB
Main PWB
Tuner PWB
– 13 –
SD-CX1H
Figure 13-1
Figure 13-2
Figure 13-3
Figure 13-4
Figure 13-5
Figure 13-6
(M2)x1
(M3)x2
(M1)x8
ø3x8mm
(M1)x1
ø3x8mm
ø3x8mm
(M1)x2
ø3x8mm
ø3x8mm
CD
Eject
PWB
Eject
PWB
Display PWB
Front Panel
Headphons
PWB
PWB
(N1)x4
LED PWB
(N2)x1
(P1)x2
ø3x6mm
ø3x6mm
(P11)x1
ø3x6mm
ø3x6mm
(P9)x2
ø3x8mm
ø3x8mm
(P6)x1
(P4)x1
(P2)x1
(P10)x1
(P11)x1
ø3x6mm
ø3x6mm
(P11)x1
ø3x6mm
ø3x6mm
(P9)x1
ø3x8mm
ø3x8mm
(P11)x1
ø3x6mm
ø3x6mm
(P5)x2
ø3x6mm
ø3x6mm
(P7)x4
ø3x8mm
(P3)x2
ø3x6mm
ø3x6mm
(P10)x1
(P8)x1
(P12)x1
(P9)x1
ø3x8mm
ø3x8mm
1 Bit Amp.
Unit
Unit
(P13)x4
ø3x10mm
ø3x10mm
(P14)x1
1 Bit Amp. PWB
Be careful of the
silicon grease.
silicon grease.
(J3)x2
ø3x8mm
ø3x8mm
(L2)x2
ø3x8mm
ø3x8mm
(L1)x2
ø3x20mm
ø3x20mm
(K1)x1
ø3x8mm
ø3x8mm
(J3)x1
ø3x8mm
ø3x8mm
(J1)x1
(J2)x1
(J2)x1
(J2)x2
(J2) x1
CD PWB
Front Panel
Spacerx2
CD Motor PWB
CD Mechanism
Switch PWB
(H1)x2
ø3x6mm
ø3x6mm
(H1)x2
ø3x6mm
ø3x6mm
(G1)x3
ø3x8mm
ø3x8mm
(G2)x1
Sub
Trans
PWB
Trans
PWB
Main PWB
MD Unit
(E2)x1
(E2)x1
(F2)x1
(E3)x1
(E1)x1
ø3x6mm
ø3x6mm
(F1)x1
ø3x10mm
ø3x10mm
Power
PWB
PWB
Tuner
PWB
PWB
Main
Trans
PWB
Trans
PWB
Sub Trans
PWB
PWB
Main PWB
MD Unit
SD-CX1H
– 14 –
Figure 14-1
15
MD Mechanism
1. Screw .............. (Q1) x4
14-1
holder (Left/Right)
16
Shield Cover
1. Screw .............. (Q2) x5
14-1
(Top/Side/Bottom)
2. Screw .............. (Q3) x1
17
MD Mechanism
1. Flat Cable ........ (Q4) x3
14-1
2. Socket ............. (Q5) x2
3. Flexible PWB .. (Q6) x1
3. Flexible PWB .. (Q6) x1
18
MD Main PWB
1. Screw .............. (Q7) x2
14-1
STEP
REMOVAL
PROCEDURE
FIGURE
SD-CX1H (MD MECHANISM UNIT)
Figure 14-3
1
Rear Cabinet
1. Screw ............ (A1) x6
14-2
2
Tweeter
1. Screw ............ (B1) x4
14-3
3
Woofer
1. Screw ............ (B2) x4
14-3
STEP
REMOVAL
PROCEDURE
FIGURE
CP-CX1H
Figure 14-2
(A1)x6
ø4x16mm
ø4x16mm
Net
Front Panel
Rear Cabinet
(B1)x4
ø4x12mm
ø4x12mm
(B2)x4
ø4x12mm
ø4x12mm
Net
Front Panel
Woofer
Tweeter
(Q4)x2
(Q3)x1
ø
2x2mm
(Q2)x1
ø
2x3mm
(Q2)x1
ø
2x3mm
(Q2)x1
ø
2x3mm
(Q2)x1
ø
2x3mm
(Q4)x1
(Q5)x1
(Q5)x1
(Q2)x1
ø
2x3mm
(Q7)x2
ø
1.7x3mm
(Q6)x1
(Q1)x2
ø
3x6mm
(Q1)x2
ø
3x6mm
Shield Cover,Top
MD Mechanism
Shield Cover,Side
Shield Cover,Bottom
MD Main PWB
Optical pickup
Flexible PWB (Note 1)
Flexible PWB (Note 1)
(Note 1)
After removing the flexible PWB for optical pickup from the connector
wrap the front end of flexible PWB in conductive aluminum foil so as
to protect the optical pickup from being damaged electrostatically.
After removing the flexible PWB for optical pickup from the connector
wrap the front end of flexible PWB in conductive aluminum foil so as
to protect the optical pickup from being damaged electrostatically.
Pull
Pull
MD Mechanism
Holder (Right)
Holder (Right)
MD Mechanism
Holder (Left)
Holder (Left)
– 15 –
SD-CX1H
REMOVING AND REINSTALLING THE MAIN PARTS
MD MECHANISM SECTION
For details about the procedure to remove the MD mechanism
from the main unit, refer to the Disassembly Procedure, Steps
1-8 and 15-16 in the main unit and also the MD section.
(Referring to page14)
from the main unit, refer to the Disassembly Procedure, Steps
1-8 and 15-16 in the main unit and also the MD section.
(Referring to page14)
Caution:
After pulling out the optical pickup connector, wrap the end
of the connector in conductive aluminium foil to prevent the
optical pickup from being destroyed by static electricity.
of the connector in conductive aluminium foil to prevent the
optical pickup from being destroyed by static electricity.
How to remove the magnetic head
(See Fig. 15-1)
(See Fig. 15-1)
1. Remove the screw (A1) x 1 pc.
Caution:
Take utmost care so that the magnetic head is not damaged
when it is mounted.
when it is mounted.
Figure 15-1
How to remove the MD loading motor PWB/MD
loading motor
(See Fig. 15-2)
loading motor
(See Fig. 15-2)
1. Remove the screw (B1) x 1 pc.
2. Remove the Hooks (B2) x 3 pcs., and remove the MD
2. Remove the Hooks (B2) x 3 pcs., and remove the MD
Loading PWB.
3. Remove the screws (B3) x 2 pcs., and remove the MD
Loading motor.
How to remove the MD sled motor/optical pickup
(See Fig. 15-3)
(See Fig. 15-3)
1. Remove the screws (C1) x 3 pcs., and remove the MD sled
motor.
2. Remove the optical pickup.
Caution:
Be careful so that the gear is not damaged.
(The damaged gear emits noise during searching.)
(The damaged gear emits noise during searching.)
Figure 15-2
Figure 15-3
MD Mechanism
(A1)x1
ø1.7x 5mm
Magnetic Head
Optical Pickup
(B3)x2
ø1.7x 3mm
ø1.7x 3mm
(B1)x1
ø1.7x 6mm
ø1.7x 6mm
MD Loading Motor
MD Loading
Motor PWB
Motor PWB
(B2)x2
(B2)x1
(C1)x2
ø1.4x4.5mm
ø1.4x4.5mm
(C1)x1
ø1.4x5mm
Optical
Pickup
Pickup
MD Sled Motor
MD Mechanism
Switch PWB
Switch PWB
Washer