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HCD-GN880
45
45
HCD-GN880
7-19. SCHEMATIC DIAGRAM – SURROUND BOARD –
C761
C760
CN701
FH760
FH761
D701
R707
R708
D702
R709
JW754
JW764
CN700
R720
R721
R722
R723
NO702
C700
C701
C751
C714
R700
R701
R751
R714
C702
C752
C710
C711
R702
R752
R710
R711
C753
C796
C795
R792
R727
R726
C721
R795
D720
D730
D780
C713
C798
R731
R732
Q730
R733
R781
R782
R783
Q780
R794
R793
C730
C731
C780
C781
R735
R785
R713
R730
R780
JW760
RY760
D761
R766
R790
R791
R767
Q762
Q764
C797
D760
R784
C790
C703
R706
R725
C704
R703
C720
R734
R765
CN703
D763
J700
F760
JW730
JW780
JW729
IC700
R724
R705
C745
Q700
Q720
NO704
Q701
Q721
Q722
JW790
0.01
50V
0.01
50V
13P
B-TO-B
F.HOLD
F.HOLD
1SS355
1.8k
56k
1SS355
10k
10P
B-TOB
10k
1/10W
10k
1/10W
22k
1/10W
2.2k
1/10W
5P
4.7
50V
1
16V
0.01
50V
4.7
50V
1k
1/10W
47k
1/10W
47k
1/10W
1k
1/10W
100
10V
100
10V
10p
10p
1.5k
1/10W
1.5k
1/10W
47k
1/10W
47k
1/10W
100p
50V
100
100V
100
100V
20k
1/10W
33k
1/10W
22k
1/10W
100
50V
100
1/4W
1SS355
CHIP
ISS355
CHIP
ISS355
CHIP
4.7
50V
100
100V
1k
1/10W
15k
1/10W
2SC3906K
CHIP
100k
1/10W
1k
1/10W
15k
1/10W
100k
1/10W
2SC3906K
CHIP
100
1/4W
1
1/4W
100000p
35V
100000p
35V
100000p
35V
100000p
35V
10
1/2W
10
1/2W
47k
1/10W
0.22
5W
0.22
5W
5.5MM
AX
RELAY
ISS355
CHIP
2.2k
1/10W
1k
1/10W
22k
1/10W
22k
1/10W
2SC2412K
CHIP
2SC2412K
CHIP
100
100V
1SS355
CHIP
56k
1/10W
100000p
35V
100p
50V
10k
47k
1/10W
2.2
50V
0
1/10W
47
50V
47k
1/10W
100
1W
5P
D3SBA20
T3.15AL
250V
STK442-130
2X150W
100k
1/10W
4.7k
0.1
2SC3661
MUTE
2SC3906K
POWER AMP
MUTE
3P
FA1L3Z
OVER VOLTAGE
DET
2SA1207
POWER AMP
MUTE
2SC3906K
POWER AMP
MUTE
E2,E3,E51
-
+
OUT
POWER AMP
Q720-722
STANDBY
SWITCH
DETECT
OVER LOAD
Q730,780
PROTECT
Q762,764
SUB WOOFER
RELAY DRIVE
SUBWOOFER
POWER
TRANSFORMER