CD-CH1500 (serv.man5). 3 - Schematic diagrams (22-35) - Sharp Audio Service Manual (repair manual). Page 8

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CD-CH1500H/CD-CH1500W
Figure 29 SCHEMATIC DIAGRAM (8/14)
7
8
9
10
11
12
6
1
2
4
5
7
3
7
5
4
8
6
3
2
1
PICKUP UNIT
3
4
5
6
1
2
CAM SWITCH
 
PWB-G
TRAY SWITCH
 PWB-F
TE
IC5
R73
8.2K
R37 
33K 
C67
0.001
C51
100/10 
C29
0.022  
C96 100P 
C36
27P
Q1
2SC1740 R
C34
22P
C40
0.1(ML)
R42
56K
C33
0.022
C32
0.022
R44
68K
C97 100P 
C98 100P 
C99
100P 
C93 100P
C94 100P
C95 100P
C58 100P
C59 100P
C60
100P
CNP3
CNP2
L7
0.82
µ
H
R74
8.2K
R71
10K
R72
10K
R78
8.2K
R77
8.2K
R76     10K 
R75     10K
R50     
1.2K
R49      1.2K
R46
1.2K
C42 0.0068
R43
820
C49
0.1
C50
0.1
CNP4
CNP6
C46
0.022  
C45
470/10 
C48
100/10 
R47
10K  
R38
1K
C38
10/50 
C37
0.022  
Q3
2SD2012
DZ2
MTZJ3.9B 
Q4
KTA1266 GR 
C44
220/10 
R48
10 
C47
100/10 
R53
68K
R51
68K
R57     47K  
R55     68K  
R56     68K
R54     47K 
C43 0.022
R35
1K
R40 100
C39
3.9P
R36
2.2K
R39 10K
C30
47/10
R31
10K 
L2
0.82
µ
H
C31 220/10
8
22
C27
0.0047
C41
0.1(ML)
CNP5
CNP7
IC6
TA2147F
SERVO PRE
AMP.
SWB110 TRAY 2
SWB109 TRAY 1
SWB103
DISC DETECT 3
SWB104 MODE 1
SWB105 MODE 2
SWB106 MODE 3
SWB101
DISC DETECT 1
SWB102
DISC DETECT 2
CNS5B
SWB108 MODE 5
SWB107 MODE 4
R41
3.3K 
R45
8.2K
IC5
BA5939S
FOCUS/
TRACKING/
SPIN/
SLED DRIVER
CNS7A
CNS7B
CNS5A
NSW1
PICKUP IN 
NM2
SLED 
MOTOR
NM1
SPINDLE 
MOTOR
CNS6A
CNS6B
CNS4
MOB1
MAIN CAM
MOTOR 
MOB2
TRAY  MOTOR
FW3
FW2
CNP6A
Q5
KRA102 M 
8.6V
3.3V
4V
0V
0V
0V
0V
0V
0V
0V
4V
4V
4V
4V
4V
4V
4V
4V
4.3V
4.3V
8.6V
8.6V
4.3V
4.3V
8.6V
8.6V
8.6V
8.6V
1.7V
1.7V
1.7V
1.7V
1.7V
7V
1.7V
1.7V
1.7V
2.3V
2.7V
1.5V
3.3V
0V
0V
0V
0V
0V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
0.7V
2.7V
4V
0.8V
1.2V
2.4V
1.1V
0.3V
4V
4V
24 
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9 
8 
7 
6 
5 
4 
3 
2 
1 
GND 
RFN 
RFO 
AGCI
RFGO
RFIS
RFRP
FEN 
FEO 
VRO 
GVSW
SBAD
TEO
TEN
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 
MUTE
PREVCC
LEVEL  SHIFT 
BIAS
BIAS
POWVCC
LOADING2
VCC
LEVEL
SHIFT  LEVEL
SHIFT  
LEVEL  SHIFT 
LOADING1 VCC 
VREFSW
BIAS
PREVCC
POWVCC
BIAS
BIAS
LEVEL
SHIFT   LEVEL
SHIFT  
8 
7 
6 
5 
4 
3 
2 
1 
CANB_A
CANA_E
CANA_D
CANA_C
CANA_B
CANA_A
CANB_B
1
8
4 
3 
2 
1 
TRAY_A
TRAY_B
1
TRAY_C
4
3
2
1
1
2
3
4
+ 
– 
+ 
– 
M
M
6
5
4
3
2
1
SP+
SP–
GND
PU-IN
SL–
SL+
SP–
SP+
– 
– 
+ 
+ 
M
M
5
4
3
6
2
1
3
4
5
6
1
2
GND
PU-IN
SL–
SL+
8
7
6
5
4
3
2
1
TR+
FO+
LD
VR
PD
GND
TR–
TR–
GND 
PD
FO–
FO+ 
TR+ 
ACTUATOR
TR–
FO–
FO+ 
TR+ 
3
1
7
8
6
5
4
2
7
5
4
8
6
3
2
1
LD
VR
FO–
–
– 
–
– 
– 
+ 
+ 
+ 
+ 
+ 
VCC 
LD
MON 
GND 
E 
A 
B 
F 
C 
1/2VCC
7
6
5
4
3
2
1
C
F
E
VREF
+5V 
1/2V
E 
A 
B 
F 
C 
3
4
5
7
1
2
6
6
1
2
4
5
7
3
+5V
A
B
LTOH41M1
VCC
RF
10
TP12
TP14
FE
+B 
+B 
+B 
+B 
+B 
+B 
4
GND(D)
GND(D)
SWITCHING
CONSTANT 
VOLTAGE
LASER
DRIVER
CD MOTOR
PWB-E
10
9
8
2
3
Display
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