Microlab PRO1, PRO2, PRO 3 Schematics
654321
JACK-1-1
R
JP102
AUX
JP101
PC
3
2
1
3
2
1
D
C
AUX2
AUX1
L
JACK-1-2
R
L
R101
10K
R102
10K
R201
10K
R202
10K
R103
47K
R104
47K
R203
47K
R204
47K
C101
10UF
C102
10UF
C201
10UF
C202
10UF
+9V
IC1
1
2
3
5
13
12
CD4053
+9v
R151
1.8k
R152
1.8k
VDD
INH
VEE
VSS
16
15
6
7
4
8
14
11
A
10
B
9
C
R232
12K
Q2
9014
R
+4.7V
L
+4.7V
R107
12K
R108
12K
R109
10K
R110
10K
5
6
+9V
3
2
IC2B
4558
R111
C107 101
4 8
R112
10K
C207 101
10K
IC2A
4558
GND
C109
7
10UF 25V
C110
1
10UF 25V
C203
+9V
GND
PT2315
22uf
IC3
1
REF
2
3
4
5
6
7
8
9
C11 5 104
C11 3 272
C11 4 272
C11 6 104
CLK
VDD
DATA
AGND
DGND
TREB L
LOUT
TREB R
ROUT
RIN
BOUTR
LOUD R
BINR
NC
BOUTL
LOUD L
BINL
NC10LIN
SCK
SDA
DGND
C112
R230
1K
R113
5.6K
10UF 25V
C111
R226
1K
10UF 25V
C117 104
20
19
18
17
16
15
14
13
12
11
C119 104
C118 104
C120 104
R114
5.6K
R225
47K
R231
47K
R
J103B
1
2
3
CON3
L
D
C
SCL
SDA
C210
C211
30pF
30pF
C250
104
+5v
GND
Y1
1
2
3
4
5
6
7
8
9
TM58P10SD
R210
R211
R212
6MHz
18
17
16
15
14
13
12
11
10
100K 1/8W
100K 1/8W
100K 1/8W
INS
MODE
X2
X1
+5V
SCL
SDA
E-A
E-B
STR
RES
DGND
CLK
DAT
MUTE
ST
100K 1/8W
A
R
R126
IC10
JP4
10
9
8
7
6
5
4
3
2
1
B
A
CON10
1 2 3 4 5 6
+5V
C212
104
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+24V
GND
R51
10R 2W
R50
20R 2W
IC11
7805
IC217809
1
Vin
1
3
Vout
GND
10UF25V
C220
2
3
Vout
GND
2
C21410UF25V
C221
104
C213
104
VCC1 +9V
+5VVin
DESIGN:
徐敬文
CHECK:
APPR:
R221
C222
4.7V 1/2W
+4.7V
10UF25V
220R 1/8W
ZD20 1
麦博数码资讯有限公司
A-6260
pro 1 ,2 , 3
TIME:2004.09.10
NO:
MODEL:
B
A
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