Service manual
CD-BA160H/1700H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 20.
GND
L
GND
+5V
R
M_GND
(CD_GND)
(A_GND)
+5V
CD_GND
L-CH
A_GND
R-CH
TAPE1_R
TAPE1_L
A_GND
A_GND
ERASE
TAPE2_R2
TAPE2_R1
TAPE2_L1
TAPE2_L2
9.3V
8.6V
9.3V
0V
3.4V
3.4V
0V
0V
0V
0V
0.7V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
ERASE
HEAD
PLAYBACK HEAD
RECORD/
TAPE2
TAPE1
PLAYBACK HEAD
R-CH
L-CH
R-CH
L
R
-
-
+
Hich=T1
+
Hich=CHROME
112K
112K
CD
TUN
DECK
AUX
LSEL0
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
24
23
1
24 23 22 21 20
1 2 3 4 5
19 18 17
6 7 8
2
22
21
20
19
18
17
16
15
14
13
3
4
5
6
7
8
9
10
11
12
3
2
1
3
2
1
1
2
3
4
5
6
7
1
2
3
4
5
3
4
2
1
5
CNP11
TO CD
SERVO
PWB
P33 12-D
BI402
CNS402
TO
POWER
SECTION
P26 1-F
1
2
Z
Y
3
+B
7
6
5
4
3
2
1
L-CH
1
1
2
2
3
3
MUTIN
G
+B
+B
+B
+B
R132
15K
C126
270P
R128
6.8K
R130
3.9K
C42
1/5
0
C4
2
1/5
C4
2
1/5
0
C4
2
1/5
0
C420
4.7/5
0
C41
8
1/50
C41
4
0.00
2
C4
1
0.1
(
CCB
INTERFACE
C407
10/50
C409
0.1
(ML)
C411
0.1 (ML)
C441
0.0033
C421
1/50
C427
1/50
C425
1/50
C423
1/50
R415
3.9K
R417
3.3K
C419
4.7/50
C417
1/50
C413
0.0027
C439
0.001
Q11
0
KTC
3
R401
330
R409
10K
Q401
KTC3199 GR
R407
2.2K
C401
0.001
R404
2.7K
R403
2.7K
R408
2.2K
C402
0.001
Q402
KTC3199 GR
R410
10K
R425
22K
R402
330
C403
22/25
C404
100/16
C405
0.022
R157
150
R104
1K
R102
10K
Q102
KRC104 M
R137
15K
R101
10K
Q103
KRC104 M
C108
100/16
R103
4.7K
Q101
KTA1266GR
SWITCHING
C122
47/25
R122
5.6K
C116
100/25
R116
56
L102
2.2µH
R118
100K
C118
0.033
R120
3.9K
C120
560P
C114
330P
R124
33K
R114
1K
C112
330P
C144
0.0022
R126
68K
IC101
AN7345K
C106
0.001
R105
1K
R110
47K
Q108
KTC3199 GR
R112
4.7K
R108
3.3K
R106
2.2K
Q104
2SC1845 F
Q106
2SC1845 F
C104
180P
C102
0.001
C103
0.001
R109
3.3K
Q107
2SC1845 F
C105
180P
R107
2.2K
Q105
2SC1845 F
R113
47K
Q109
KTC3199 GR
C107
0.001
R111
4.7K
L101
2.2µH
C115
330P
R115
1K
R121
3.9K
R119
100K
R123
5.6K
C137
0.022
C119
0.033
C117
100/25
R117
56
R125
33K
C123
47/25
C121
560P
C143
0.0022
R127
6.8K
270P
C127
C139
3.3/50
R129
3.9K
C131
R131
1.5K
C113
330P
R138
15K
CNP101
CNP102
IC401
LC75341 AUDIO PROCESSOR
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
CHASIS
SYSTEM MUTE
SYSTEM MUTE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
IC101
AN7345K
PLAYBACK AND
RECORD/
PLAYBACK
AMP.
TAPE MECHANISM
ASSEMBLY(1/2)