Technics SA-DV250 User Manual

SCHEMATIC DIAGRAM-3
W901B
W902B
IC151
C1BB00000527
RDS SIGNAL
DEMODULATOR
1 2 3
X151
R158
1K
R154
100K
R153
100K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
BA
COM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Q902
UN411FTA
MUTING CONT.
ABC
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
VREF
HPX IN
V
DDA
VssA
FL OUT
CIN
TEST
X OUT
IDR
RDCL
RDDA
RST
MODE
V
DDB
VssB
XIN
R962
22K
VR901
EVQVBXFK124B
(VOLUME)
R945
100
R961
22K
R943
100
C917
0.01
C155
1000P
C153
1000P
C160
1000P
C159
6.3V47
R152
1K
R151
1K
C154
560P
C158
6.3V47
C151
16V10
D907
MA165TA
M
BC
R946
1K
C909
1000P
C918
6.3V100
DEA
R941
1K
L153
1
H
R155
120
D151
MA4051MTA
L151
100 H
L152
100
H
C156
47P
C157
47P
A
B
C
D
E
F
G
H
I
J
K
L
N
O
Q
S
T
A
OPERATION CIRCUIT
R942
2.2K
R974
1K
C931
16V10
R965
3.9K
R966
3.9K
D961
MA4075MTA
R975
22K
D906
MA165TA
U
N
1
2
3
Z901
B3RAD0000028
(REMOTE SENSOR)
R157
1K
C152
330P
: POSITIVE VOLTAGE LINE : NEGATIVE VOLTAGE LINE
-30.1V
5.1V
:AUDIO SIGNAL LINE
6V
7.6V
3.3V
0V
3.3V
2.6V
2.6V
0V
5.1V
2.5V2.7V
2.5V
2.5V
5.1V
2.5V
2.5V

Technics SA-DV250 Specifications

General

Brand	Technics
Model	SA-DV250
Category	Amplifier
Language	English