Service manual
CD-BA120/125
– 20 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
Figure 20 SCHEMATIC DIAGRAM (3/10)
24
23
22
21
20
19
18
17
16
9
8
7
6
5
4
321
24
23
22
21
20
19
18
17
16
15
14
1312
11
10
9
8
7
6
5
4
3
2
1
+5V
GND
L
GND
R
M_GND
+B
+B
+B
TO POWER
PWB
P22 1 - G
(CD_GND)
(A_GND)
+5v +B
+B
+B
(1/4W)
CD_GND
L-CH
A_GND
R-CH
TAPE1_R
TAPE1_L
A_GND
A_GND
ERASE
TAPE2_R2
TAPE2_R1
TAPE2_L1
0V
0V
0.7V
3
1
7
6
5
4
3
2
1
2
3
1
2
L
R
-
+
-
+
Hich=T1
+ +
-
-
Hich=CHROME
56K
112K
56K
112K
CD
TUN
DECK
AUX
LSEL0
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
CCB
INTERFACE
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
TAPE2_L2
3
1
2
5
4
3
1
2
5
4
U
V
W
X
Y
2
3
1
1
32
CNP11
TO CD SERVO
PWB
P19 12 - D
CNS102B
CNS102A
CNS101B
CNS101A
R-CH
L-CH
PLAYBACK
HEAD
TAPE1
RECORD/
PLAYBACK HEAD
TAPE2
R-CH
L-CH
ERASE
HEAD
3
1
2
3
1
2
7
6
5
4
3
2
1
7
6
5
4
3
2
1
7
6
5
4
3
2
1
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
BI601
CNS601
Q602
KTC3199 GR
C602
0.001
C601
0.001
Q601
KTC3199 GR
R603
1.5K
R604
1.5K
R607
2.2K
R608
2.2K
R609
10K
R610
10K
R602
330
R601
330
C603
22/25
R625
22K
R615
3.9K
C607 10/50
C609 0.1
C611 0.1
C623
1/50
C629 1/50
C617 1/50
C613 0.0027
C625
1/50
C627
1/50
R617
1K
IC601
LC75341
AUDIO PROCESSOR
C630
1/50
C610 0.1
C612
0.1
C618
1/50
C614
0.0027
C608
10/50
C606
22/50
C628
1/50
C626
1/50
C624
1/50
LUG1
MECHA BASE GND
R102
10K
R101
10K
R103
4.7K
Q101
KTA1266 GR
C101
0.047
R157
100
Q102
KRC104 M
C108
100/16
R104
1K
R137
15K
Q103
KRC104 M
C103
560P
C102
560P
CNP101
Q104
2SC1845
C104
180P
R105
1K
R106
2.2K
R110 47K
R108
3.3K
Q106
2SC1845
CNP102
Q105
2SC1845
C105
180P
R107
2.2K
R109
3.3K
Q107
2SC1845
R113
47K
Q109
KTC3199 GR
C107
560P
R111
4.7K
R112 4.7K
C106
560P
Q108
KTC3199 GR
C123
1/50
R123
5.6K
C121
560P
R119
100K
R121
3.9K
C119
0.033/25
C117
100/16
C115
330P
C137
0.022
R125
33K
R138
15K
R117
56
R115
1K
C113
330P
C147
0.001
R131 1.5K
C131
0.022
R127
6.8K
C133 0.0033
R129 8.2K
C
4
C129
22/25
C127 270
R133
100
C139
3.3/50
C146
0.001
C122
1/50
C116
100/25
C120
560P
R120
3.9K
C118
0.033/25
R118
100K
R124
33K
C128
22/25
R128
6.8K
C126
270
R132
1.5K
R126 68K
C134
R134
100
C112
330P
C130
0.022
R130
8.2K
R116
56
C114
330P
C132
0.0033
R114
1K
R122
5.6K
R140
10K
Q110
KTC3199 GR
R142
220K
IC101
AN7345K
IC101:PLAYBACK AND RECORD AMP.