Microlab AH-500 Schematics main
GND
P1
P2
SCL
SDA
MODE
INS
SW3
2P
C701
101
C801
101
C201
101
C301
101
C401
101
C501
101
C601
101
C101
101
R701
10K
R801
10K
R101
4K7
R201
4K7
R301
4K7
R401
4K7
R501
4K7
R601
4K7
D
C
B
A
JACK 01
L-INPUT
JACK 01
R-INPUT
JACK 01
FL-INPUT
JACK 01
FR-INPUT
JACK 01
SW-INPUT
JACK 01
CE-INPUT
JACK 01
SL-INPUT
JACK 01
SR-INPUT
J1
INPUT AC 10A ~250V
CON3
1
2
3
4
5
6
7
! ! ! !
1 2 3 4 5 6
C702
10UF
R702
47K
C802
R802
10UF
47K
C102
R102
10UF
47K
C202
10UF
R202
47K
C302
R302
10UF
47K
C402
R402
10UF
47K
C502
R502
10UF
47K
C602
R602
10UF
47K
R321KR33
1K
F1
T400L~250V FUSE
C711
10UF
IC2
1
2
3
5
13
12
CD4053
IC3
1
2
3
5
13
12
CD4053
Q2
R30
SEL MODE
1.8K
~3.5V
1
~3.5V
2
GND
3
-33V
4
+5V
5
GND
6
CON2
B1
~14V
~27V
~3.5V
C1815Y
D11 1N4004
D12 1N4004
D13
D14
D23
D22
D24
D21
7
1N4004
1N4004
1N4004
1N4004
1N4004
1N4004
VDD
VEE
VDD
VEE
654321
10uf
C704
C903
10UF
4558
!
C703 101
R703 10k
1
IC5A
C905
7
4558
IC5B
7
R921
C921
:注
R905
10K
C405
563
C505
563
C605
563
48
4558
10K
+VCC2
+VCC2
+VCC2
IC4B
101
101
R405
33K
R505
33K
R605
33K
C406
473
C506
473
C606
473
2
3
+VCC2
R904 10K
R903
6
5
5
R920
6
10K
R406
47K
R506
47K
R606
47K
C403
10UF
R408
10K
R508
10K
R608
10K
10K
10K
10UF
10UF
C203
C103
10UF
C922
10UF
C915
3
2
R407
51K
C407 101
5
6
R507
51K
C507 101
3
2
R607
51K
C607 101
R103
4 8
4 8
10UF
C303
4558
10K
IC9B
R203
R303
10K
C430
1
10UF 25V
IC7A
4558
C530
7
10UF 25V
C630
1
10UF 25V
IC9A
4558
C910
C105
563
+VCC2
C205
563
+VCC2
C305
104
+VCC2
10UF 25V
.标示的元件更换要慎重
R105
33K
R205
33K
R305
100K
C106
473
C206
473
C306
104
5
6
R106
47K
R108
5.6K
3
2
R206
47K
R208
5.6K
5
6
R306
100K
R308
5.6K
C913 222
C914
C915
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
DESINE:
CHAICK:
APPR:
IC7B
R107 51K
C107 101
R207
C207 101
IC8B
4558
R307
C307 101
R912
3K3
103
103
rcm2
rcm1
ctre
fr
sr
sub
vref
gnd
ct
sl
fl
ctre
rcm2
rcm1
103
C918
C919
103
C920
222
4558
IC2A
4558
4 8
51K
51K
R911
6K8
IC1
pt2322
R913
3K3
R914
6K8
徐敬文
徐敬文
C130
7
10UF 25V
C230
1
10UF 25V
C330
10UF 25V
7
rcb2
rcb1
gnd
sda
scl
fr
sr
sub
vcc
ct
sl
fl
rcb2
rcb1
C911
104
C912
104
28
27
26
25
24
23
22
21
20
19
18
17
16
C916
104
C917
104
C108
10UF 25V
C208
10UF 25V
C308
10UF 25V
C408
10UF 25V
SDA
SCL
C508
10UF 25V
C608
10UF 25V
R110
2.4K
R210
2.4K
R310
2.4K
R410
2.4K
R510
2.4K
R610
2.4K
麦 博数 码资 讯有 限公 司
NO:
MODEL: A-6652
H500Q-001
JACK 02
RAC-FL-OUTPUT
R111
C109
47K
101
JACK 02
RAC-FR-OUTPUT
R211
C209
47K
101
JACK 02
RAC-SW-OUTPUT
R311
C309
47K
101
JACK 02
RAC-CE-OUTPUT
R411
C409
47K
101
+VCC1
JACK 02
RAC-SL-OUTPUT
R511
C509
47K
101
R611
C609
47K
333
TIME: 2004.02.05
D
C
B
JACK 02
RAC-SR-OUTPUT
A
R918
12K
20K 1/8W
GND
2
GND
2
D31
C706
10UF
12K
1
R917
Vout
Vout
C705 101
48
R705 10k
IC6A
4558
C909
R909 10K
1
R919
R922
12K
12K
C32
6.2V 1/2W
3
C14
3
C2410UF25V
~3.5V
~3.5V
101
48
C904
10UF
R915
12K
10UF25V
10UF25V
2
3
2
3
4558
+VCC2
R916
12K
VCC2
C31
104
VCC1 12V
C13
104
+5V
C23
104
-33V
R704
10k
R908
10K
IC4A
IC6B
4558
6
5
16
15
6
INH
7
4
8
VSS
14
11
A
10
B
R36
9
C
1.8K
16
15
6
INH
7
4
8
VSS
14
11
A
10
B
R37
9
C
1.8K
R35
R34
1.8K
1.8K
+VCC1
R31
1.8K
R11
20K 1/8W
R21
20K 1/8W
R708
33K
C710
333
3300UF25V
C11
C12
104
IC21
7805
C22
104
C709
473
R707
24K
Q1
C1815Y
IC11
7812
1
Vin
1
Vin
C21
1000UF50V
+VCC1
R39
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