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

PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn

+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