Technics SA-EH770 - Page 67

CN714
CN719
T701
CN701
CN702
CN703
CN704
CN705
CN706
CN707
CN708
CN709
CN710
CN716
CN720
CN718
CN715
CN717
1
2
3
4
5
6
7
8
F2 T2A
S701
(VOLT ADJ)
1 2 3
F G
POWER TRANSFORMER
(B) CIRCUIT
POWER TRANSFORMER
(A) CIRCUIT
1
3
2
4
2
1
3
5
6
7
4
10
8
9
W721B
W722B
A
B
C
D
E
F
G
H
G
A
B
C
D
E
F
H
R792
RSFMB40KT-L
R791
RSFMB40KT-L
R794A
1
1 2
SCHEMATIC DIAGRAM - 9
CN601
C652
1000P
C644
1000P
C643
1000P
C651
0.047
C646
0.047
C645
0.047
Rch
Lch
AC IN
JK701
L701
F1 T4A
T702
Z701
C791
1000P
RL702
R794
47K
Q791
2SD2144STA
RELAY DRIVE
D745
MA4051MTA
C753
0.01
C756
1000
Q726
2SC3940AQSTA
REGULATOR
D746
RL1N4003N02
D747
MA4068HTA
C758
0.01
C759
10V47
C754
0.01
D500
MA165TA
CN602
JK603
CENTER(8 )
SURROUND(8 )
R646
10
C624
0.1
C634
0.1
R644
10
L604
R645
10
C625
0.1
C633
0.1
R643
10
L603
E
AC IN CIRCUIT
2
1
3
4
5
6
7
8
9
10
11
12
2
1
3
4
5
6
7
8
R777
1.8K
R774
18
R773
18
R712 4.7K
A
B
C
A
C
B
D741
RL1N4003N02
D742
RL1N4003N02
R772
22K
SPEAKERS
3
1
CN751
D711
RL1N4003N02
3 1
24
D750
1SS291TA
C757
1000P
D748
MA165TA
R775
820K
Q727
2SC5398RSTA
REGULATOR
C755
1000
R771
1.2K
C762
16V22
R780
10K
110/127/220-230/240V
50/60Hz
R795
3.9K
For [GC] area.
For [GC] area. For [GC] area.
To MAIN CIRCUIT(CP602)
on SCHEMATIC DIAGRAM - 7
C
To MAIN CIRCUIT(CP601)
on SCHEMATIC DIAGRAM - 7
C
GND
GND
C OUT
C OUT
GND
GND
GND
GND
SUR L IN
SUR L IN
SUR R IN
SUR R IN
ECO
SH SYNC
SA SYNC
D.GND
BU5V
RS13V
+B
NC
C
To MAIN
CIRCUIT
(W721A) on
SCHEMATIC
DIAGRAM
- 6
C
To MAIN
CIRCUIT
(W722A) on
SCHEMATIC
DIAGRAM - 6
S1
S2
S3
S4
AC1
CT
AC2
S7
FL2
FL1
S1
S2
S3
S4
2
240V
220-
230V
110V127V
240V
220-
230V
110V 127V
: POSITIVE VOLTAGE LINE
: NEGATIVE VOLTAGE LINE
0.7V
0V
6V
10.7V6V
6.7V
AC
9.4V
22.5V10.7V
7.7V
AC22.6V
AC22.6V
AC11.7V
AC11.7V
AC4.7V
AC29.2V