Service manual

CD-C449W/K449W
– 28 –
Figure 28 SCHEMATIC DIAGRAM (7/15)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.
1
24
23
2
3
4
5
22
21
20
18
7
6
19
PHM1
M
FWM2
SWM4
REC RVS
SOLM1
SOL
SWM3
REC FWD
SWM6
CAM SW
VRM1
3.3K(B)
RM1
2.7K
RK13
10K
CK09
0.022
RK14
10K
QK10
KRC104M
QK11
KRC104M
CK01
680P
CK02
680P
RK29
10K
CK25
0.0082
CK23
0.1
CK21
1/50
CK13
330P
CK12
330P
CK22
1/50
RK30
10K
CK26
0.0082
QK13
KRC104 M
CK33
22/25
CK31
470P
CK29
470P
RK37
6.8K
RK35
3.3K
RK33
22K
CK34
22/25
RK38
6.8K
CK32
470P
CK30
470P
RK36
3.3K
CK27
0.022
CK24
0.1
CK28
3.3/25
RK47
10K
RK34
68K
RK18
1K
RK17
1K
RL20
1.2K
RK19
56
RK21
100K
RK23
3.9K
RK25
5.6K
RK31
33K
CK19
560P
CK17
0.033
CK15
47/16
CK11
330P
RK32
33K
RK20
56
RK24
3.9K
RK22
100K
RK26
5.6K
CK20
560P
CK18
0.033
CK16
47/16
CK14
330P
RK01
1K
RK02
1K
RK10
4.7K
RK09
4.7K
RK07
47K
RK08
47K
QK08
KTC3199 GR
QK07
KTC3199 GR
CK07
0.001
CK08
0.001
QK09
KTA1266GR
RK69
220
RK15
4.7K
CK60
100/16
RK11
15K
RK89
1K
CK05
330P
RK90
1K
CK06
330P
QK06
2SC1845 F
QK04
2SC1845 F
RK06
3.3K
RK04
2.2K
QK05
2SC1845 F
QK03
2SC1845 F
RK05
3.3K
RK03
2.2K
RK12
15K
QL11
KTA1266 GR
RL11
33K
QL17
KRC104 M
RL12
2.2K
RL13
6.8K
QL12
KTA1266 GR
RL14
33K
QL13
KRC104 M
QL14
KTA1273 Y
RL15
10K
RL16
2.2K
QL18
KRC104 M
CL12
47/16
QL15
KTA1271 Y
RL17
10(1/2W)
DL12
1SS133
RL18
10K
RL19
2.2K
REC
REC
PLAYBACK HEAD
TAPE1
HIGH=CHRO
M
HIGH=T1
–
+
112K
-
+
112K
REC
T2 B-FP
T2 PH-OUT
T1 RUN-SW
M2GND
CUM SW
T2 A-FP
MOT +B
MOT H
MOT L
+B
MOTOR
MM1
H
L
2
+
L
H
MOT+B
M2GND
F.A.S
RUN PULSE
SOL
REC FWD
CAM SW
REC RVS
SOL
+B
1
WTL11
2
3
4
5
6
7
8
9
10
11
12
13
12
13
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
1
CNPK02
CNSK02
1
CNPK01
1
CNSK01
2
2
3 3
TAPE MICHANISM PWB–H
SWM5
F.A.S
FWM1
PLAYBACK SIGNAL
RECORD SIGNAL
1
2
3
1
2 3
1
2
3
1
2
3
1
2 3
L-CH
R-CH
DL14
1SS133
DL13
1SS133
DGND
RK27
8.2K
2
1
QK14
KRC104 M
RK28
8.2K
2
1
3
3
TAPE MECHANISM ASSEMBLY
BI102
6
5
4
3
2
1
1
7
6
5
4
3
2
TAPE2 HEAD
PWB-G
ERASE
HEAD
R-CH L-CH
RECORD/
PLAYBACK HEAD
TAPE2
1
13
0V
0V 0V
0V
0V
0V1.3V
0.8V
0V 0V 0.6V
0.5V
3.2V
3.0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
9.1V 9.2V
0V
0V
0V
0V
0V
3.9V
0V
0V
0V
12.5V
0V
0V
0V
0V
12.6V
0.26V
0V
0V
0V 4V
3.8V
12.6V
12.6V
12.6V
0.26V
0.26V
0V
0.26V
0.26V
0V
0V
0V
0V
0V
0V
0V
PB EQ CrO2