Technics RS-DV290EG Service Manual page 97

POWER TRANSFORMER
E
(A) CIRCUIT
W722B
S1
1
S2
2
S3
3
S4
4
S1
1
S2
2
S3
3
S4
4
AC1
5
CT
6
AC2
7
S7
8
FL2
9
FL1
10
W721B
42 43
D
AC IN CIRCUIT
CN601
GND 1
GND 2
C OUT 3
C OUT 4 A
GND 5
GND 6
GND 7
GND 8
SUR L IN 9
SUR L IN 10 B
SUR R IN 11
SUR R IN 12 C
CN602
ECO 1
R712 2.2K
SH SYNC 2
SA SYNC 3
D.GND 4
Q726
BU5V 5
2SC3940AQSTA
RS13V 6
REGULATOR
+B 7
6V 10.7V
NC 8
6.7V
D711
R773
RL1N4003N02
18
6V
For [GN] area.
R794A
1
CN701
CN702
For
R793 A
1
[EE]
A CN703
area. B
B
CN704
C
C
D
CN705
FP791
D
K5G502AA0002
CN706
CN707
CN708
FP792
K5G502AA0002
R798
2.2
CN709
CN710
44
A
L604
R644
10
C
L603
R643
10
B
R795
3.9K
D746
RL1N4003N02
R777
1K
Q791
2SD2144STA
R774
RELAY DRIVE
18
0V
0.7V
T702
C753
0.01
AC9.4V
RL702
4 2
3 1
POWER TRANSFORMER
F
(B) CIRCUIT
T701
AC22.6V
AC22.6V
AC11.7V
AC11.7V
AC
29.2V
AC4.7V
SA-DV290(EE,GN) MAIN, AC IN, POWER TRANSFORMER(A)&(B) CIRCUIT DIAGRAM
45 46
JK603
CENTER(8 )
SPEAKERS
R ch
SURROUND(8 )
L ch
JK701
L701
F1 T2A
AC IN
230-240V 50Hz
230 50Hz
Z701
W2/W3
W1
CN711 W1
For [EE] area.
CN712 W3
For [GN] area.
CN713 W2
47
H
G
F
E
[GN]
[EE]
D
C
B
A
48