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SCHEMATIC DIAGRAM-4
: POSITIVE VOLTAGE LINE
B MAIN CIRCUIT : NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE D AC IN CIRCUIT
L605 CN601
GND 1
SPEAKERS GND 2 JK603
R649 JK601
10 C OUT 3 A
B CENTER(8 )
1000P
C OUT 4 A
0.047
C651
C652
H
0.047
C635
L604
R651
HF(6 ) GND 5
10
GND 6
L602 R644
GND 7 10
SPEAKERS
C627
0.1
R640 Lch GND 8 C R ch
1000P
0.047
C646
10
C644
SUR L IN 9
C624 R646
10
C L603
SUR L IN 10 B
SURROUND(8 )
0.047
C637
C629
LF(8 ) SUR R IN 11
0.1
R643
0.1
SUR R IN 12 C 10
B L ch
1000P
0.047
C645
C643
C625 C633 R645
C634
0.1
10
L606
0.1
R650 JK602 G
10
A
0.1
C628 C626 R652
0.047
C636
R795
10
HF(6 ) CN602 3.9K
ECO 1
R712 2.2K
SH SYNC 2
0.1
MA4051MTA
Rch SA SYNC 3
R772
D745
22K
D.GND 4
0.1
BU5V 5 Q726
C630 C620 R642
0.047
C632
2SC3940AQSTA
10
LF(8 ) RS13V 6
REGULATOR D746
+B 7 RL1N4003N02
6V 10.7V
0.1 0.1
NC 8
MA165TA
C754
D740
0.01
C758
0.01
R777 F
6.7V 1K
MA4068LTA
L601 CP601
10V47
C759
D747
1 GND
2 GND
R771
R639
2.2K
3 C OUT
10 Q791
D 4 C OUT
D711
2SD2144STA
C631 C621 R641
5 GND R773 R774 RELAY DRIVE
10
RL1N4003N02 18 18
6 GND 0V
0.7V
7 GND
0.1 0.1
16V1000
R794
8 GND
RL1N4003N02
RL1N4003N02
47K
C755
9 SUR L OUT
E
D741
D743
10 SUR L OUT
F 11 SUR R OUT
T702 L701 JK701
E 12 SUR R OUT F1 T2A
G
C753 AC IN
0.01
CP602
RL1N4003N02
RL1N4003N02
A 1 ECO 230-240V 50Hz [EB]
B 2 SH SYNC 230V 50Hz [EG]
D742
D744
C 3 SA SYNC AC9.4V Z701 W2/W3
4 D.GND
5 BU5V
RL702
6 RS13V 4 2
7 +B D
MA165TA
1000P
C791
NC
D500
8
J I
3 1
W1
6V
POWER TRANSFORMER
E (A) CIRCUIT C
POWER TRANSFORMER
F (B) CIRCUIT
R793
1 CN701
T701
CN702 CN711 W1
A
W722A W722B
S1 1 A CN703 AC22.6V
D 1 S1
B
E 2 S2 S2 2 B
F S3 S3 3 C CN704
3 C
G 4 S4 S4 4 D
CN705 AC22.6V
FP791 D
W721A K5G502AA0002 B
1 S1 S1 1 CN706
2 S2 S2 2
CN707 AC11.7V
3 S3 S3 3
4 S4 S4 4 AC11.7V
CN708
C 5 AC1 AC1 5
6 CT CT 6 FP792 CN712 W3
For [EG] area.
D 7 AC2 AC2 7 K5G502AA0002 AC
S7 S7 29.2V AC4.7V
H 8 8
F 9 FL2 FL2 9 R798
FL1 FL1 2.2 CN709
E 10 10
W721B
CN710 CN713 W2 A
For [EB] area.
SA-DV280(EB,EG) MAIN, AC IN, POWER TRANSFORMER(A),(B) CIRCUIT DIAGRAM
37 38 39 40 41 42 43 44 45 46 47 48