Service manual

– 27 –
CD-BA1500H
Figure 27 SCHEMATIC DIAGRAM (4/10)
7
8 9 10 11 12
TUN_R
TUN_L
DI
CLK
DO
TUN_SM
TUN_SM
CE
TO
TUNER
SECTION
P31 10-H
TO
POWER
SECTION
P28 1-G
A_12V
VF1 -VP VF2 SP_RLY
M_10V
-15V
GND (D_GND)
SW_5V
GND (A_GND)
UN_SW_5V
SP_DET GND (M_GND)
M_GND
SP_DET
UN_SW 5V
AC_RLY CONT
A_GND
SW_5V
D_GND
-15V
M_10V
SP_RLY
VF1
VF2
-VP
T_BIAS
SPA_SIG
SMUTE
REC/PLAY
T_T1/T2
CE
DI
CLK
DO
REC_L
REC_R
V
0.7V
0V
0V
0V
11.7V
11.6V
11.6V
0V
0V
3
1
2
0V
0V
0V
22
23
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
2
1
16
15
14
13
12
11
10
9
3
R-ch
L-ch
Vcc
ALC
GND ALC
RIPPLE
Nor/CrO2
C
HROME
56K
56K
B
A
C
E
F
D
G
g
a
b
c
p
hfKi
l
e
nm
+B
+B
–B
–B
+B
+B
+B
1
23
FC701
CNP702
TO DISPLAY PWB
MAIN PWB-A1(1/3)
DIGITAL OUT PWB-A4
AC _RLY CONT
M
P33 12-D
CNP5
TO CD SERVO
PWB
P25 12-E
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
3
2
1
3
2
1
3
2
1
+5V
GND
+B
+B
+B
+B
+B
+B
+B
BIAS
SO401
VIDEO/AUX
CNP401
C142
47/25
R149
4.7
L104
330µH
C141
0.039
(ML)
Q114
KTC3203 Y
C140
0.0082(PP)
C148
0.047(ML)
R148
22K
R147
47K
Q113
KRC104 M
R145
4.7K
R144
47K
Q112
KTA1266 GR
R146
82(1/2W)
R423 470K
R424 470K
R419
5.6K
R420
5.6K
C430
390P
C429
390P
C99
100/10
C98
0.022
R422
27K
R421
27K
22/50
10/50
0.1(ML)
1/50
R416
3.9K
0.0027
1/50
1/50
4.7/50
1/50
1/50
R418
3.3K
R143
220K
R141
10K
Q111
KTC3199 GR
R140
10K
2
K
10
99 GR
R136
10K
C132
0.0033
C145
0.001
100
C134
47/25
C138
220/10
C136
22/25
C150
22/25
R139
220
0
.
022
2
8
2
5
IC101
PLAYBACK AND RECORD/
PLAY BACK AMP.
R135
10K
C135
47/25
C133
0.0033
100
29
/
25
0
.
022
C440
0.001
L99
2.2mH
BI99
CNS99
C442
0.0033