Microlab A-6201 Schematics

654321

+VCC

C12

C13

104

R7
39K

R6
510

C8
22uF

100UF/25V

C9
224

0.5 OHM/1W

R8

3.3

SP1
6 ohm

JR1

D

VR3A
B50K

C6

0.22UF

C4
682

C5
103

R5
22K

C7
102

C14

C15

104

100UF/25V

D

R2

+VB

JK1

VR1A
B50K

C1

0.1UF

R1
47K

U1A
4558

2

1

3

-VB

3.3K

R3

1.8K

VR2A
B50K

C2
104

C3
104

R4

5.6K

R16

1K

1
2

TDA2030A

-VCC

5

4

U2

3

C

R01

RCA2A

22K

R1'
47K

4xRL205

U1B

6

7

5

+VCC

D1D4

-VCC -VB

C17
3300UF
25V

C18
3300UF
25V

R14

470/0.5W

R14'
470/0.5W

R2'

3.3K

R3'

1.8K

VR2B

50K

C2'
104

C3'
104

ZD1

9.1V

ZD2

9.1V

R4'

5.6K

+VB

R16'

1K

C19
100UF/25V

C20
100UF/25V

C4'
682

VR3B
B50K

C5'
103

R15

1K

-VCC

R01'

RCA2B

22K

B

FUSE1

SW1

AC IN

A

1 2 3 4 5 6

0.4A 250V

T1

VR1B
B50K

C1'

0.1UF

D3 D2

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C6'

0.22UF

LED1

-VCC

LED2

R5'
22K

C7'
102

C15'

100UF/25V

C14'
104

1
2

+VCC

U4

-VCC

5

4

3
TDA2030A

C12'

C13'

104

100UF/25V

JR1'

0.5 OHM/1W

C9'

R7'

224

39K

R8'

3.3

Title

A-6201

Number RevisionSize

B

Date: 16-Apr-2003 Sheet of
File: F:\WANG\A-6201 .DDB Drawn By:

R6'
510

C8'
22uF

SP2
6 ohm

C

B

A