Technics RS-DV290EG Service Manual page 137

A
OPERATION CIRCUIT
5.1V
VR901
EVQVBXFK124B
(VOLUME)
COM B A
1 2 3
IC151
C1BB00000527
RDS SIGNAL
DEMODULATOR
C151
16V10
2.5V
VREF
1
2.5V
HPX IN
2
5.1V
3 V A
DD
4 VssA
2.5V
FL OUT
5
2.5V
C IN
6
TEST
7
2.7V
X OUT
8
13
: NEGATIVE VOLTAGE LINE
: POSITIVE VOLTAGE LINE
R946
1K
D E A
C B
IDR
16
2.6V
RDCL
15
2.6V
RDDA 14
0V
RST 13
MODE
12
5.1V
V D
11
DD
VssD
10
2.5V
X IN
9
X151
(4.332MHz)
L151
100 H
C152 R158
330P 1K
14 15
: AUDIO SIGNAL LINE
: TUNER SIGNAL LINE
Z901
B3RAD0000028
Q902
(REMOTE SENSOR)
UN411FTA
MUTING CONT.
3
3.3V
2
0V
1
M
A
B
C
D
E
F
G
H
I
J
K
L
MA165TA
MA165TA
R
N
O
Q
S
P
16
R941
1K
R974
1K
3.3V
A B C
W902B
D906
D907
W901B
6V
R966 R965
3.9K 3.9K
17 18
TUNER Lch/
TUNER Rc
A.GN
Lch I
Rch
+B(10V
SUR
SUR
S.
To
MI
SOUND
-B(-10V
PROCESSOR
(SH-DV290)
V.GN
D.GN
CS/ RE
CL
DAT
CT GN
SH FL
SH FL
SYN
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Z101
RAN0005EM-2
(TUNER PACK)
T.GND 1
2
+B(1)
3
SD
4
+B(2)
5
DET
6
Rch
7
CE
8
Lch
9
DI
10
DO
11
CL
19