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CIRCUIT DIAGRAM - AMP
C41B
101
R62B
30.9K
C40B
R61B
D
10uF
5.1K
R64B
2
4.7K
SIGN
1
3
U1DA
4580
AGND
C
C2L
101/1000V
AGND
R4B
120K
C3B
R1L
10uF
R2B
+5V
13K
SIGN_OUT
0
C4B
R3B
IRS2092S
102
R1B
47K
1
560R
C6B
VDD
106P
2
AGND
AGND
GND
C5B
102
3
IN
C2B
102
4
AGND
COMP
C7B
106P
5
CSD
K
D 3B
A
C14B
SD
6
VSS
BAS316
7
22uF/16V
VREF
1
3
MUTE
D
S
8
Q14B
OC
APM2307AAC
B
-5V
C38B
+5V
R20B
8.2K
R18B
17.8K
C37B
+5V
105
5.6V
R30B
+5V
ZD2A
R31B
680R
+12V
4.7R
C35B
C18A
106/16V
106
A
1
2
3
C42B
101
+12V
R65B
4.7K
C43B
U1DC
104
6
4580
7
SIGN_OUT
5
U1DB
-12V
4580
AGND
R5B
1K/2W
+12V-B
D2B
MUR120
C1B
104
Q15B
R9B
R8B
4.7K
-B
10K
B
D1B
U11
MUR120
16
CSH
SIGN_OUT
Q16B
15
VB
C31B
R28B
B
100R
14
HO
C8B
R21B
104
22uF/25V
5.1K
13
VS
12
VCC
R29B
Q17B
100R
11
LO
10
COM
9
Q18B
DT
C32B
C20B
B
105
226/16V
NC
-B
此部分为支板（小板）
-5V
MT1
MT
5.6V
R29A
-5V
ZD1A
R28A
680R
-12V
4.7R
C36B
C19A
106/16V
106
3
4
5
AGC
TP6B
Hi
D20D
R10B
NC
4.7R
G
TP7B
TP7B
+B
Lo
D20B
R13B
4.7R
NC
G
APJ1A
1
2
3
4
-12V
RJ67
5
AGND
1
6
SIGN_OUT
+12V
2
7
SD
3
8
AGND
MUTE
4
9
-12V
5
+12V-B
10
AGND
6
+12V
7
Hi
12
SD
8
-B
13
MUTE
9
Lo
14
10
15
+12V-B
+B
AGC
16
12
Hi
13
CN16P
COM
14
Lo
15
+B
16
AGC
CN16P
MT2
MT
MT12B
MT7B
MT8B
MT
MT
MT
C20A
104/250V
4
5
6
7
+B
PGND
D20C
R45B
NC
R39B
56K
56K
COM
100uF/25V NP
SPK1
G
D11B
NC
JK 2901-124D-00
SW5B
SPK
2
1
4
L1BA
47UH
10R
10R
1
NC
G
D12B
NC
GND
+12V
SD1
-B
R43B
100K
R51B
COM
100R
Q8B
R42B
2SC1815
D7B
100R
5.1V
B
MUTE
R49B
R40B
C33B
100K
10K
22uF/16V
R41B
100K
C30B
104
MT9B
MT10B
MT11B
MT1B
MT2B
MT3B
MT
MT
MT
MT
MT
MT
C45B
104
C37B
C38B
104
104
GND
PGND2
PGND
6
7
8
D
TP8B
PROT
R28B
Q12B
D6B
4.7K
2SC1815
BAS316
R30B
10K
Q13B
R29B
2SC1815
4.7K
C29B
PGND
3
SUB OUT+
TP9B
SPK1
5
4
3
1
+
L3BB
CNA1
C
47uH
1
+
CNB1
2
1
CNC1
-
L3BA
D10B
2
1
1
-
CND1
47uH
CN-X
CN-X
CN-X
CN-X
BAS316
GND
TP10B
Q9B
2SC1815
Q10B
2SC1815
GND
B
MT4B
MT6B
MT5B
MT13B
MT
MT
MT
MT
C46B
C47B
104
104
PGND
GND
A
8
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