DOWNLOAD Sharp CD-CH1500 (serv.man9) Service Manual ↓ Size: 5.95 MB | Pages: 72 in PDF or view online for FREE

Model
CD-CH1500 (serv.man9)
Pages
72
Size
5.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
cd-ch1500-sm9.pdf
Date
PREV: Sharp CD-CH1500 (serv.man8) Service Manual

Sharp CD-CH1500 (serv.man9) Service Manual ▷ View online

– 13 –
CD-CH1500H/CD-CH1500W
Figure 13-1
Figure 13-2
Figure 13-3
Figure 13-4
Figure 13-5
Figure 13-6
(G2)x1
ø3x10mm
(G1)x1
Power PWB
Speaker
PWB
(G1)x1
CD-CH1500W
Only
CD Changer
Block
Main
Chassis
(G2)x1
ø3x10mm
(J2)x6
ø3x10mm
(M2)x1
ø3x20mm
(H1)x4
ø3x10mm
Tape
Mechanism
Front Panel
Cassette
Holder
Open
(J1)x1
(J3)x1
(J3)x1
Switch PWB
Headphones
PWB
(L2)x1
(M1)x3
ø3x10mm
(K1)x1
ø2.6x10mm
(L1)x1
ø3x10mm
CD Changer
Door Panel
Motor
PWB
(P1)x2
CD Switch
PWB
(M2)x1
ø3x20mm
(K2)x1
Lug Wire
(R1)x2
ø2.6x12mm
(Q1)x1
ø2.6x10mm
(Q1)x1
ø2.6x10mm
(Q1)x2
ø2.6x10mm
(R1)x2
ø2.6x12mm
(R1)x2
ø2.6x12mm
CD Changer
Door Panel
Control Panel
(S1)x5
ø2.6x10mm
(S2)x1
(U1)x2
ø2.6x10mm
(U1)x1
ø2.6x10mm
(T2)x5
ø2.6x10mm
Control Panel B
Control PWB
Control Panel A
LED B PWB
LED Holder
Jog PWB
(T1)x1
(V1)x4
ø2.6x12mm
Front Panel
(V2)x1
(V3)x4
Open
Cassette
Holder Cover
(W1)x4
ø3x14mm
(W2)x1
LED A
PWB
Display PWB
Spring
Cassette
Holder Cover
Display PWB
(W2)x1
CD-CH1500H/CD-CH1500W
– 14 –
Figure 14-1
Figure 14-2
Figure 14-3
Figure 14-4
1
Top Cabinet
1. Screw .................. (A1) x5
12-1
2
Side Panel
1. Screw .................. (B1) x8
12-1
(Left/Right)
3
Rear Panel
1. Screw ................. (C1) x3
12-2
2. Screw ................. (C2) x8
    (For CD-CH1500H)
2. Screw ................. (C2) x7
    (For CD-CH1500W)
4
Front Panel
1. Flat Cable ........... (D1) x1
12-2
2. Screw ................. (D2) x5
3. Socket ................ (D3) x6
5
CD Changer
1. Flat Cable ............ (X1) x1
14-1
Mechanism
2. Screw .................. (X2) x2
3. Screw .................. (X3) x5
6
CD Servo PWB
1. Screw .................. (Y1) x4
14-2
(Note)
2. Socket ................. (Y2) x4
3. Flat Wire .............. (Y3) x2
7
CD Mechanism
1. Screw .................. (Z1) x4
14-2
STEP
REMOVAL
PROCEDURE
FIGURE
CD-CH1500H/CD-CH1500W
(CD CHANGER MECHANISM UNIT)
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.
CP-RW5500H/CP-RW5500W
1
Front Panel
1. Net ...................... (A1) x1
14-3
2. Catching Holder .... (A2) x4
3. Screw ................. (A3) x4
2
Woofer/Sub Woofer 1. Screw ................. (B1) x8
14-4
3
Tweeter
1. Screw ................. (C1) x2
14-4
STEP
REMOVAL
PROCEDURE
FIGURE
(A2)x4
(A1)x1
Front Panel
(A3)x4
ø3x12mm
Tweeter
Woofer
Sub Woofer
(C1)x2
ø3x10mm
(B1)x4
ø4x16mm
(B1)x4
ø4x16mm
(X3)x3
ø3x10mm
(X2)x1
ø3x10mm
Bottom Side
CD Changer
Mechanism
Front Side
(X2)x1
ø3x10mm
(X3)x2
ø3x10mm
Main Chassis
CD Servo PWB
(X1)x1
(Y1)x4
ø3x10mm
(Y3)x1
(Y2)x1
(Y2)x1
(Y3)x1
(Y2)x2
(Z1)x4
ø2.6x10mm
CD Servo PWB
CD Changer
Mechanism
CD Mechanism
– 15 –
CD-CH1500H/CD-CH1500W
REMOVING AND REINSTALLING THE MAIN PARTS
TAPE MECHANISM SECTION
Perform steps 1 to 4 and 8 of the disassembly method to
remove the tape mechanism.
How to remove the record/playback and erase
heads (See Fig. 15-1)
1. When you remove the screws  (A1) x 2 pcs., the recording/
playback head and three-dimensional head of the erasing
head can be removed.
How to remove the pinch roller (See Fig. 15-2)
1. Carefully bend the pinch roller pawl in the direction of the
arrow <A>, and remove the pinch roller (B1) x 2 pcs., in the
direction of the arrow <B>.
Note:
When installing the pinch roller, pay attention to the spring
mounting position.
How to remove the belt (See Fig. 15-3)
1. Remove the motor.
2. Remove the main belt (C1) x 1 pc., from the motor side.
3. Remove the FF/REW belt (C2) x 1 pc.
How to remove the motor (See Fig. 15-4)
1. Remove the belt.
2. Remove the screws (D1) x 2 pcs., to remove the motor.
(A1)x2
Ø2 x 6mm
Record/
Playback
Head
Erase
Head
Pinch
Roller
(B1)x2
<A>
Pinch 
Roller 
Pawl
Pull
<B>
Pull
(Left)
<A>
Pinch 
Roller 
Pawl
Pull
<B>
Pull
(Right)
Main Belt
(C1)x1
FF/REW Belt
(C2)x1
Motor
Cam Gear
(D1)x2
Ø 2.6 x 5mm
Motor
Figure 15-1
Figure 15-2
Figure 15-3
Figure 15-4
CD-CH1500H/CD-CH1500W
– 16 –
Figure 16 BLOCK DIAGRAM (1/6)
TO MAIN PWB
(IC901)
LASER
DRIVER
Q5
TRACKING  COIL 
FOCUS  COIL
PICKUP UNIT 
KEY
SWB101-SWB110
Q1
Q3
Q4
IC2
TC9490F
SERVO/SIGNAL
CONTROL
X1
16.934MHz
IC6
TA2147F
SERVO PRE
AMP.
CNP1
IC5
BA5939S
FOCUS/TRACKING/
SPIN/SLED DRIVER
NSW1
PICKUP IN 
NM2
SLED 
MOTOR
NM1
SPINDLE 
MOTOR
MOB1
MAIN CAM
MOTOR 
MOB2
TRAY
MOTOR
+3.3V
21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
/RST
GND
BUS1
T-MO_REV
T-MO_FOR
BUS3
BUCK
/CCE
CD/CD-RW_SEL
CD FUNC
33 32 31 30 29 28 27 26 25 24 23 22
PU-IN
CD_R-CH
CD_L-CH
CD_+B
CD_+B
A_GND
C-MO_REV
C-MO_FOR
CD_GND
CD_GND
BUS0
BUS2
CD-RW
CANB_B
CANA_E
CANA_C
CANA_A
TRAY_A
TRAY_C
TRAY_B
CANA_B
CANA_D
CANB_A
DVDD
DVSS
XI
XO
XVDD
XVSS
TESIN
DVSS
DVDD
SEL
VREF
DMO
AVDD3
FMO
TEBC
RFGC
TRO
FOO
SBAD
31 30
29 28
26
25
24
22  
13
20 19 18
TEI
FEI
RFRP
RFI
PVREF
LPFO
LPFN
TMAX
AVSS
AVDD
RFCT
16
7
PDO
PVDD
DVSS
DVDD
/HSO
61
64
63
62
60
59
58
57
56
54
53
51
50
49
/RST
/CCE
BUCK
VSS
VDD 
BUS3
BUS2
BUS1
BUS0
DVSS
LO
RO
24 
23  
22  
21  
20  
19  
18  
17  
15  
14  
13  
12  11  
9  8  7  6  5  4  3  2  1 
GND 
RFN 
RFO 
AGCI
RFGO
RFIS
RFRP
FEO 
VRO 
GVSW
SBAD
TEO
RFGC
TEB
SEL
FNI
FPI
TPI
TNI
MDI
LDO
32
31
30
29
28
27
26
25
24 
23  
22  
21  
20
19
18
17
16  
15  
14  
13  
12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
M
M
M
M
TR+
FO+
TR–
SL+
SL–
SP–
SP+
FO–
+5V
VCC
17
3.3V 
CONSTANT VOLTAGE
SWITCHING 
48
47
46
45
44
43
42
41
40
39
15
6
38
37
36
35
34
33
POWVCC
PREVCC
LOADING1 VCC
LOADING2 VCC
POWVCC
PREVCC
MUTE
+5V
+5V
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