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CIRCUIT DIAG RAM-MAIN BOARD (AUDIO)
R65
33k
C78
100pF
R68
CE24
R67
5.1k
U5A
ALS
CE25
2
R69
1
LSCH
10k
3
10uF/10V
C80
YD4558 OPA
1k
R73
1000pF
10uF/16v
100k
R75
OP_12V
A_MUTE
Q14
2
PMBT3904
VREF
1k
100k
R77
R81
33k
C82
100pF
R86
CE30
R85
5.1k
U6A
ALF
CE31
2
R87
1
CENT
10k
3
10uF/10V
C84
YD4558 OPA
10uF/16v
1k
1000pF
R92
R94
100k
OP_12V
A_MUTE
2
Q18
PMBT3904
VREF
1k
R96
100k
R100 56K
CE34
R101
AR
C88
82pF
2
1
20K
10uF/16v
R103
CE35
R102
5.1K
U7A
FMINR
CE36
R104
2
1
2
1
6.2K
3
10uF/16v
C89
YD4558 OPA
1K
1000pF
10uF/16V
R34 1K
Q20
OP_12V
A_MUTE
2
R107
100K
PMBT3904
VREF
R108 56K
C90
82pF
CE39 10uF/16v
R109 20K
AL
2
1
R111
CE40
R110 6.2K
5.1K
U7B
FMINL
CE41
R112
2
1
6
7
10uF/16v
5
C92
YD4558 OPA
1K
1000pF
10uF/16V
R55 1K
R116
A_MUTE
Q21
2
PMBT3904
100K
OP_12V
R118 100K
VREF
All manuals and user guides at all-guides.com
R66
33k
C79
100pF
R71
CE26
R70
5.1k
U5B
CE27
ARS
6
R72
7
10k
5
10uF/16v
C81
YD4558 OPA
1k
1000pF
10uF/16v
R76
OP_12V
A_MUTE
Q15
2
PMBT3904
VREF
1k
100k
R78
R83
33k
C83
100pF
R89
CE32
R88
5.1k
U6B
CE33
ARF
6
R90
7
10k
5
10uF/16v
C85
YD4558 OPA
1k
1000pF
10uF/16v
R95
OP_12V
A_MUTE
2
Q19
PMBT3904
VREF
1k
100k
R97
L26 FB600R
56K
R120
+12V
OP_12V
R0402
L0805
+
C94
R121
EC2
22uF/25V
0.1uF
56K
CAP5/5.0A
C0402
R0402
RCH
R106
100K
U9A
CE37
2
CE38
1
VR_R_IN
2
1
3
YD4558 OPA
10uF/16V
0R
OP_12V
R114
51K
LCH
R0402
FM_AUDIO/OUT
R117
51K
R0402
U9B
CE42
6
CE43
7
VR_L_IN
2
1
5
YD4558 OPA
10uF/16V
0R
OP_12V
AMP_CONTROL is High ,The G1445 will be shutdown
7-3
VCC
RSCH
R74
100k
R79
3.3k
DV33
AUDIO_MUTE
R91
1K
MUTE_Circuit
SUB
R93
100k
ASPDIF
R98
100
VREF
C95
+EC3
OPTICAL+COAXIAL
0.1uF
47uF/16V
C0402
CAP5/5.0A
R48
39K
R0402
U8A
L25 FB600R
6
+
EC1
C91
100uF/10V
0.1U
C13 1uF
CAP5/5.0A
FM_AUDIO/IN
R47 5.6K
R0402
4
5
-
SPEAKER+
SPEAKER-
R115 5.6K
R0402
3
8
+
C22
1uF
7
2
BYPASS
C93
1
Shutdown
BIAS
1UF
G1445RD1D
R37
R41
39K
R0402
R664
A_MUTE
2
Q616
10K
PMBT3904
R0402
1k
DV33
Q615 PMBT3906
Q614 PMBT3906
R661
4.7K
A_MUTE
R80
10K
R82
100
CE28
+
220uF/10V
R662
R84
4.7k
NC
2
Q17
PMBT3904
R663 22K
C86
COAXIAL
0.1uF
R99
100K
C87
330pF
J7
1
FM_AUDIO/IN
P32
2
FM_AUDIO/OUT
P30
3
3P/2.0MM
JK2
VCC
6
P42
L0805
COAXIAL
4
P41
5
LCH
3
P34
P40
P33
RCH
1
P39
2
AV3-8.4-7D
J5
SPEAKER+
2
SPEAKER-
1
2P/1.25MM
AR
AR
[2]
AL
AL
[2]
ARS
ARS
[2]
ALS
ALS
[2]
ARF
ARF
[2]
ALF
ALF
[2]
ASPDIF
ASPDIF
[2]
AUDIO_MUTE
AUDIO_MUTE [2]
VCC
VCC
[1]
+12V
+12V
[1,6]
DV33
DV33
[1,2,3]
FMINR
FMINR
[6]
FMINL
FMINL
[6]
JK1
LSCH
6
P38
RSCH
4
P37
5
CENT
3
P36
SUB
1
P35
2
AV4-8.4-7D1
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