Service manual

CD-C449W/K449W
– 22 –
Figure 22 SCHEMATIC DIAGRAM (1/15)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.
SW4
PICKUP UNIT
M2
SLED
MOTOR
M
M1
SPINDLE
MOTOR
C2
0.01
Q1
KTA1266
IC1
LA9241M
SERVO AMP.
C54
0.001
R15
12K
R9
100K
R10
2.2K
R11
6.8K
R13 1K
R14 27K
C5
0.033
C6
0.033
C9
0.047
C17
0.001
C13
330P
C14
0.01
R25
1.5K
R23
10K
R24
47K
R19
1K
R21 22K
R22
22K
R20
1K
C26
0.033
C27
0.001
R44
33K
R42
47K
R40
5.6K
R43
56K
C24
2.2P
R41
47K
C19 1/50
C4 0.1/50
R8
15K
C29
4.7/50
C28
0.1
R45
4.7K
C3
1/50
R1
10
R46
560
C35
1/50
R37
82K
IC3 M56748FP
FOCUS/TRACKING
/SPIN/SLIDE DRIVER
C36
100/16
C8 0.068
C10
180P
R16
3.3K
C11
0.1
C12
0.1
R17 33K
R18 15K
R26
82K
R27 39K
C16
0.0047
R28 10K
C18
0.47/50
R31
1.2K
R30
6.8K
R29 56K
C20
47/16
R32 10K
R33 1.2K
R34 22K R35 220K
R36
220K
C21
0.0033
D1
1SS133
C22
220P
C30 0.1/50 C31 220/6.3 C32 0.01
C33 0.47/50
C34 0.33/50
R39
1K
C25
27P
C23
0.0027
R38
470
R12
100
D4
RL10
4
D2
RL104A
D3
RL104A
R2
1K
C1
47/16
C15
0.01
C7
0.1/50
C85
0.001
1
CNP1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 19
20 21
22
23
24
25 26
27
28
29
30
31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49 50 51
52
53
54 55
56
57
58
59
60
61 62 63
64
1
CNP2
2
3
4
5
6
7
8
1
CNP3
1
CNS3A
1
CNS3B
1
CNP3A
2
3
4
5
6
2
3
4
5
6
2
3
4
5
6
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
19
20
21
22
23
24
25
26
27
28
29
31
30
32
33
34
35
36
1
2
3
4
5
1
2
3
4
5
CNS1A
CNS1B
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CNS2B
CNS2A
1
2
3
4
5
6
7
8
1
2
3
4
5
R48
10K
M
2.5V
2.5V
PU-IN
0V
GND
LD
ACTUATOR
LT0H30M1
TR–
FO–
FO+
TR+
2200P
1M
2200P
1M
MON
C
F
A
B
E
K
LD
F
B
A
E
K
TR–
TR+
FO+
FO–
GND
PD
VR
LD
TR–
TR+
FO+
FO–
GND
PD
VR
LD
F
B
A
E
K
B
F
E
A
K
–
+
-
+
CH3 CH4
1CH
CH2
+
–
TSD
–
+
STAND
BY
+
–
+
–
4.2V
GND
0V
0V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V 2.5V
2.5V
2.5V 2.5V
2.5V
2.5V
2.5V
0V
2.5V
2.5V
2.5V
0V
0V
5V
5V
0V
0V
5V
0V
0V
1.6V
2.5V
2.5V
2.5V
0V
2.5V
5V
5V
2.5V 2.2V
1V
2.4V
4V 4V 0V
0V
2.5V
1V
0V
VREF
SP+
SP–
SL+
SL–
TESI
SCI
HF
TE
0V
5V
2.5V
2.5V
2.5V
2V
2.5V
0.7V
4.7V
0V
0V
0V
0V
2V
1.8V
1.8V
2.5V
0V
0V
0V
0V
0V
0V
4.7V
0V
2.5V
2.5V
2V
2V
0V
0V
0V
2V
2V
2.5V
2.5V
2.5V
2.5V
PICKUP UNIT
CD MOTOR PWB-K
+B
PD
GND
LD
VR
FO–
TR+
TR–
FO+
–
+
+
–
FSC
GEN
+
–
+
–
REF
CV–
JP–
JP+
CV+
JP
+
–
+
–
REF
REF
SLOF SLOF
LATCH
P-ON RES
DAT
CLK
FEBAL
SHOCK;WCOMP
HIST.COMP
BAL
WCOMP
JP
REF
+
–
FOF
REF
REF
+
+
–
–
GEN
REF
REF
+
+
–
–
SPOF
REF
SLOF
OR
REF
+
–
RF
REF
+
–
+
–
REF
+
–
REF
FE1
+
–
VCR
–
+
HFL
–
+
DEF
VCC
REF
+
–
REF
–
+
CE
CL
SLOF
FSTA
TOSTA
FOSTA
8/12CM
LASER
2FREQ
RF
REF
–
+
REF
REF
+
–
+
–
+
–
–
+
–
+
+
+
-
-
GEN
REF
TO
+–
–
+
REF
REF
REF
REF
–
+
VCR
VCR
VCR
TGL1
THDL
GL
THD
VCC
DRF
S.Q.R
PSTR
REF
+
+
–
–
SLC
FSS
TBC
TO
VCC1
SPI
JP
SPG
SP–
SPO
FD
FA–
FA
SP
THLD
TD–
TD
TO
TA
TH
TE
TE–
TB
F
E
FIN1
FIN2
LDS
LDO
BHI
PHI
LF2
SLI
VR
REFI
VCC2
DRF
CE
DAT
CL
CLK
DEF
DGND
RFS–
RFSM
CV+
CV–
SLOF
HFL
TES
TOFF
TGL
JP+
FE–
FE
FD–
AGND
SLEO
SLD
SL–
SL+
JP–
FSC
NC
10