Service manual

– 25 –
CD-BA160H/1700H
Figure 25 SCHEMATIC DIAGRAM (2/10)
7
8 9 10 11 12
1
1
A_10V
TUN_SM
DO
CE
VF1
-VP VF2 SP_RLY
M_10V
-15V
GND
SW_5V
GND
UN_SW_5V
AC_RLY_CONT
SP_DET
CLK
DI
TUN_L
TUN_R
GND (M_GND)
(A_GND)
(D_GND)
M_GND
SP_DET
AC_RLY CONT
UN_SW 5V
A_GND
+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
TUN SM
REC_L
REC_R
0V
0V
0.7V
0.7V
0V
0V
0V
11.7V
11.6V
11.6V
0V
0V
0V
0V
0V
AUX IN
R-CH
L-CH
Vcc
ALC GND ALC
RIPPLE
Nor/CrO2
+
+
-
-
Hich=CHROME
56K
56K
R1
R2
R3
R4
S
EL0
RIN
R
TRE
B
ASS
R
OUT
V
REF
VDD
CLK
24
23
18 17 16 15 14 13
7 8 9 10 11 12
22
21
20
19
18
17
16
15
14
13
22
23
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
MAIN PWB-A1(1/3)
TO
TUNER
SECTION
P29 10-H
G
F
I
D
E
H
C
1
23
FC701
CNP702
TO DISPLAY
PWB
P31 12-D
TO POWER SECTION
P26 1-G
K
L
MN
O
P
QRS
T
U
W
X
–B
+B
+B
V
+B
MUTING
MUTING
1
2
3
+B
+B
+B
+B
-B
+B
+B
+B
+B
+B
R419
5.6K
R420
5.6K
C430
390P
C429
390P
R422
27K
R421
27K
D403 DS1SS133
D404 QS1SS133
SO401
VIDEO/AUX
CNP401
C142
47/25
R149
4.7
Q114
KTC3203 Y
BIAS OSC
L104
330µH
C141
0.039
(ML)
C140
0.0082
C148
0.047
(ML)
R148
22K
R147
47K
Q113
KRC104 M
BIAS
R146
82(1/2W)
R145
4.7K
Q112
KTA1266 GR
SWITCHING
R144
47K
R139
220
C136 22/25
C138 220/10
C134 47/25
R136 10K
C132 0.0033
C130 0.022
C128
22/25
R134 100
R132 1.5K
C126 270P
R128
6.8K
3
.
9K
C150
22/25
R423
470K
R424
470K
R416
3.9K
C440
0.001
R418
3.3K
C442
0.0033
C428
1/50
C426
1/50
C424
1/50
C422
1/50
C420
4.7/50
C418
1/50
C414
0.0027
C412
0.1(ML)
C410
0.1(ML)
C406
22/50
C408
10/50
R143
220K
R141
10K
Q111
KTC3199 GR
R140
10K
Q110
KTC3199 GR
R142
220K
5
K
C135
47/25
R127
6.8K
270P C127
3
9
/
50
3.9K
C131 0.022
R131 1.5K
R133 100
C133 0.0033
R135
10K
C129
22/25
O
R