Service manual
– 29 –
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
0.82µH
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
0.82µH
C31
220/10
8
2
2
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
1
0
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