HCD-GN77D
50
50
7-20. SCHEMATIC DIAGRAM – MAIN (2/4) Board –
IC201
R770
R720
R721
R771
R722
R772
C771
C721
Q730
C117
C167
R168
R118
R117
R167
R365
R315
Q399
R313
R314
C395
IC303(2/2)
C391
Q398
Q390
Q306
Q389
R333
JR731
C315
C365
C316
C817
C845
C801
C802
R802
R801
R800
C800
C803
R803
C804
C805
C807
R807
R806
R805
R804
C806
C808
R808
C809
C810
C812
R812
R811
R810
R809
C811
C813
C814
C816
R815
R814
R813
C815
C818
R816
C819
C844
R832
R833
C843
R834
C842
C840
R829
R830
R831
C839
C841
C837
C836
R826
R827
C835
R828
C838
C834
R824
R825
C832
R823
R822
C830
R818
R817
R839
R837
R835
R840
C820
C823
R838
R836
R844
R845
R849
R850
R847
C824
C827
R846
R848
CN205
R798 R799
C846
C847
R857
R858
R860
R861
R862
Q803
J730
J117
RY701
D701
R701
Q701
Q223
Q224
C722
C772
R730
FB117
FB167
C396
R395
R394
C390
R327
R396
R390
IC303(1/2)
R388
R387
R334
Q798
Q799
Q800
Q801
J716
C855
Q702
CN206
JR390
C397
R702
R841
R843
R842
R863
R362
C854
C821
C822
C825
C826
C828
C829
C831
C833
R821
R235
IC103
C223
R233
R234
R819
R820
JR008
Q802
IC730
NO204
C730
C731
TOX141
1k
1k
100k
100k
1k
1k
2.2
50V
2.2
50V
FA1A4M
2.2
50V
2.2
50V
1k
1k
100k
100k
10k
10k
2SC3624A
1k
1k
0.01
22p
NJM4565M(TE2)
100
16V
FA1A4M
FA1A4M
FA1A4M
FA1A4M
2.2k
0
1 50V
1 50V
1 50V
10
50V
10
50V
220p
220p
10k
470
47k
10
50V
10
50V
47k
10 50V 0.001
0.001
4.7k
2.2k
10k
47k
10
50V
10
50V
47k
10
50V
0.001
0.001
4.7k
2.2k
10k
47k
10
50V
10
50V
0.001
0.001
4.7k
2.2k
10k
10
50V
10
50V
47k
1
50V
220p
10k
470
220p
47k
10
50V
0.0022
2.2k
2.2k
47k
0.001
10
50V
10
50V
0.0022
2.2k
2.2k
0.001
47k
10
50V
100
10V
10k
1M
10
50V
1M
10k
10
50V
1k
2.2k
47k
47k
1k
1k
4.7
50V
4.7
25V
10k
10k
10k
47k
47k
1k
1k
4.7
25V
4.7
25V
10k
10k
7P
2.0MM
PH
100 100
47p
47p
0
0
47k
10k
47k
2SC1623
2P
2P
SW RELAY
1SS355
220
1/4W
FA1L3Z
FA1A4M
FN1F4M
220p
220p
10k
0
0
22
50V
4.7k
10k
470
10V
2.2M
15k
10k
10k
NJM4565M(TE2)
22k
10k
100k
2SC3661
2SC3661 2SC3661
2SC3661
1P
0.1
25V
2SC1623
21P
1MM
0
10
50V
3.3k
10k
10k
10k
10k
10k
220
10V
0.22
0.1
0.33
0.22
0.33
0.22
0.047
100
10V
1M
470k
M61530FP-D60G
0.1
22k
22k
620
620
0
2SC1623
NJU4066BM
4P
2.0MM
10
50V
0.1
B1
B2
B3
B4
63
3.3V
TC+9V
TC MUTE
GND
ZIVA-D+3.3V
ZIVA V+5V
ZIVA AUDIO 5V
25
AC CUT DETECT
FAN SUPPLY
LINE MUTE
DBFB F/B
SW
A+9V
-B
82
86
87
84
85
DOWN-MIX-L
DOWN-MIX-R
FRONT-L
FRONT-R
SURROUND-L
CENTER
SURROUND-R
SW(LFE)
REC-OUT-R
REC-OUT-L
MD-L
MD-R
AMS-L
AMS-R
DOWN-MIX-L
DOWN-MIX-R
SUR2
SUR1
SUR-SW
DOWN-MIX-R
DOWN-MIX-L
SUR2
SUR1
SUR-SW
DOWN-MIX-R
DOWN-MIX-L
SUR2
SUR1
SUR-SW
DOWN-MIX-L
DOWN-MIX-R
FRONT-L
FRONT-R
CENTER
SURROUND-L
SW-OUT
SUR-L
SUR-L
SUR-R
SUR-R
CENTER
CENTER
SW
SW
81
SURROUND-R
SW(LFE)
70
LINK-R
LINK-L
SUB WOOFER
R
L
R
L
AUDIO OUT
MD/VIDEO(AUDIO)
IN
DRIVE
RELAY
Q701,702
CONTROL
SURROUND VOL
MUTE
Q798-801
SWITCH
SWITCH
MUTE
Q306,389
IC303
HPF
BUFFER
BUFFER
AMS DETECT
Q390,398,399
INVERTER
SWITCH
AUDIO OUT
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299