Genius SW-G2.1 3000, Service Manual

Page: 17 / 20

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
VDD +12V
L IN
R IN
SW IN
SGND
L OUT
R OUT
SW OUT
VCC
12V
C33
4.7u
R20
2.7K
C30 562
R214.7K
R17 27K
C31
101
R24
100K
VFER
C48
104
C35
4.7u
C42
221
C63
221
C58
4.7u
R31
2.7K
R32
4.7K
C53
562
R2927K
C56
101
C59
4.7u
R34
100K
C64 104
VFER
C46
104
C47
100u
+12V
R36
75k
R37
75k
R39
10K
C70
104
C69
104
C80
103 C79
104
R52
1K
R44
30k
R57
100K
V
F
E
R
R47
3.3K
R48
1.8K
C68
4.7u
C81
2.2n C82
106uF
R38 10k
R49
470R
C67 273
R58
100K
V
F
E
R
C84
104
C83
100u/16V
+12V
C71
10u
C41
221
R22
3.6k
R25
12K
R35
12K
R33
3.6k
C62
221
VFER
C87
1000u/35V
C88
104
R60 4.7k
Z1
12V/0.5W
C86
104
C90
100u/16V
R61
10K
R62
10K
C89
104
C85
470u/16V
R10
NC R11
NC
R13
NC
L_IN
R_IN
1
2
3
4
8
G
N
D
V
C
C
U3A
JRC4558
5
6
7
U3B
JRC4558
1
2
3
4
8
G
N
D
V
C
C
U4A
JRC4558
5
6
7
U4B
JRC4558
FB14600R
FB13600R
FB11600R
FB12
600R
FB8
600R
FB7 600R
FB6 600R
FB10
600R
FB15600R
FB16
300R
C38
154
C60
154
MIC_IN
EAR
1
6
7
8 9
10
11
J2
1
6
7
8 9
10
11
J4
EAR
L IN
R IN
SW IN
1
2
J3
DC26V 2.7A
SGND
L OUT
R OUT
VCC
MUTE
AMP
SW OUT
3
2
VR1A
VOL/10K
4
6
5
VR1B
VOL/10K
7 8
VR1C
VR_6
LED1
blue
MIC_out
MIC_LIN
R8
6.8K
MIC_RIN
PGND
PGND
MIC_Rout
MIC_Rout
3
2
VR2A
BASS/10K
MIC_Lout
MIC_Lout
4
6
5
VR2B
BASS/10K
1
2
3
4
5
6
7
8
9
10
11
12
COM1
12PIN
1
6
J1
JK_IN_D3.5
AUX_IN
R15 1K
HUIYANG EASTERN ASIA ELECTRONICS CO.,LTD
MIC_LIN
MIC_RIN
PGND
1
2
3
4
5
6
COM2
1
2
3
4
5
6
COM3
C2
33P
V R
C3
33P
L
R
R L
R1
1K
R6
1K
1
2
3
4
5
6
7
8
9
10
JK1
RCA5
ROUT+
LOUT+
SUB+
SUB-
R23
1K
C43
100P
R26
10K
C40
102
>3V=MUTE 0V=WORK
Q1
2SA733
D1
1N4148
C78
470uF/16V
NOTE:
C77(NC)
100uF/16V
R40
1k
R56
3.3k
R42(NC)
0R
C75(NC)
470p
R51
1k
+12V
D2
1N4148
C76
104
R53
10K
LOUT-
ROUT-
8ohm/40W
L_IN
R_IN
PVCCL
1
SD
2
PVCCL
3
MUTE
4
LIN
5
RIN
6
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDR
13
PGNDR
14
ROUT
15
BSR
16
GAIN1
17
GAIN0
18
AVCC
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
U1
IC-TPA3123D2
R4
10K
VDD
C6
102
C1
474
R2
10K
C17
102
C14
474
R9
10K
C16
105
C20
104
C22
105
L1
L_33UH_12.5TS
L2
L_33UH_12.5TS
C13
104
C18
104
C11
224
C19
224
+
C15
1000uF/35V
C12
104
R7
0R
R12 0R
R5
1K
6ohm/15W
6ohm/15W
PVCCL
1
SD
2
PVCCL
3
MUTE
4
LIN
5
RIN
6
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDR
13
PGNDR
14
ROUT
15
BSR
16
GAIN1
17
GAIN0
18
AVCC
19
AVCC
20
BSL
21
LOUT
22
PGNDL
23
PGNDL
24
U2
IC-TPA3123D2
R18 10K
VDD
C44
105
C54
104
L3
L_33UH_12.5TS
C39
224
C50
224
C34
224
C52
224
+
C45
1000uF/35V
C37
104
R27 0R
R28 0R
R19
1K
C57
105
SD
SD
Q2(NC)
2
S
C
9
4
5
MUTE
MUTE
C4
104
C26
104
R41
1k
FB3
300R
FB9
300R
C5
105 C7
470u/35V
C27
105
C25
470u/35V
C10
470u/25V
C21
470u/25V
LOUT+
LOUT-
ROUT-
ROUT+
FB1
300R
FB2
300R
C9
220P
C8
182
R3
5.6R
C23
220P
C24
182
R14
5.6R
L4
L_33UH_12.5TS
C55
220P
C61
182
R30
5.6R
FB5
300R
FB4
300R
C29
220P
C28
182
R16
5.6R
SUB+
SUB-
C36
104
R59
NC
C91
105
C92
105
C66
10uF
R67
1K
R681K
R65 75K
C65
104
R72
100K
VFER
C97
104
C93
10uF
C96
221 C98
104
C94
10uF
R69
2.7K
R71
2.7K
R6675K
C74
101
C95
10uF
R73
100K
C102104
VFER
C99
104
C101
100u
+12V
1
2
3
4
8
G
N
D
V
C
C
U5A
JRC4558
5
6
7
U5B
JRC4558
R70
3.9K
R50
1k
R64
1K
R54
1K
C51
100P
R63
10K
C49
102
C32
10uF
C100
10uF
Q4
8050
R74
2K
12V
MUTE
SD
R43 100R
+12V