Microlab M-300II, M-400II Schematics

1

2

3

4

+VCC

C2

C22

JK1

U1A

472

C3

100UF/25V

D

VR1A

13

LM324

R3

0.22UF

5 TDA2030

SP1

D

1

B50K C1

14

JR1

6 ohm

C07

12

R2

3.3K

U2

4

2

CC221

0.22UF

8.2K

R4

C4

3

R6

0.5

R1

6.8K

C5

C21

C6

C08

47K

102

3.3UF

22K

CC224

CC102

R5

104

R7

C2'

2.2

510

472

C3'

VR1B

2

0.22UF

5 TDA2030

SP2

B50K C1'

R3'

1

1

JR1'

6 ohm

C07'

3

R2'

3.3K

U3

4

U1B

CC221

0.22UF

8.2K

C4'

2

0.5

LM324

R4'

3

R1'

102

C5'

R6'

C6'

47K

6.8K

3.3UF

22K

CC224

C08'

C

CC102

C

R5'

R7'

R8

510

2.2

4.7K

-VCC

C22'

R8'

100UF/25V

4.7K

+VB

C8

R9

R10

224

+VCC

8.2K

12K

C10

6

VR2

9

4

R11

R12

0.47UF

B50K

10K

10K

5

7

C23

10

8

TDA2030

U1D

R13

104

SP3

B

11

U1C

LM324

1

5

4 ohm

B

LM324

C9

10K

C11

U4

4

2

104

-VB

102

C12

3

R15

C13

22UF

CC224

22K

C09

R16

CC102

+VCC

R14

2.2

510

+VB

4xRL205

SW1

F1

D1

R17

R19

-VCC

T250mAL250V

T1

D4

C14

560

C15

3.3K

C05

C04

C01

3300UF

100UF

AC IN

CC223

CC223

CC223

25V

LED1

Title

A

C02

C14'

M300II

A

C06

C03

CC223

CC223

D3

D2

CC223

3300UF

C15'

Size

Number

Revision

25V

100UF

-VCC

R17'

-VB

A4

560

Date:

9-Mar-2005

Sheet

of

L.M.An

File:

F:\my file\My Design\TMD-1.ddb

Drawn By:

1

2

3

4

PDF created with FinePrint pdfFactory trial version http://www.fineprint.com

1

2

3

4

+VCC

C2

C22

JK1

U1A

472

C3

100UF/25V

D

VR1A

13

LM324

R3

0.22UF

5 TDA2030

SP1

D

1

B50K C1

14

JR1

6 ohm

C07

12

R2

3.3K

U2

4

2

CC221

0.22UF

8.2K

R4

C4

3

R6

0.5

R1

6.8K

C5

C21

C6

C08

47K

102

3.3UF

22K

CC224

CC102

R5

104

R7

C2'

2.2

510

472

C3'

VR1B

2

0.22UF

5 TDA2030

SP2

B50K C1'

R3'

1

1

JR1'

6 ohm

C07'

3

R2'

3.3K

U3

4

U1B

CC221

0.22UF

8.2K

C4'

2

0.5

LM324

R4'

3

R1'

102

C5'

R6'

C6'

47K

6.8K

3.3UF

22K

CC224

C08'

C

CC102

C

R5'

R7'

R8

510

2.2

4.7K

-VCC

C22'

R8'

100UF/25V

4.7K

+VB

C8

R9

R10

224

+VCC

8.2K

12K

C10

6

VR2

9

4

R11

R12

0.47UF

B50K

10K

10K

5

7

C23

10

8

TDA2030

U1D

R13

104

SP3

B

11

U1C

LM324

1

5

4 ohm

B

LM324

C9

10K

C11

U4

4

2

104

-VB

102

C12

3

R15

C13

22UF

CC224

22K

C09

R16

CC102

+VCC

R14

2.2

510

+VB

4xRL205

SW1

F1

D1

R17

R19

-VCC

T250mAL250V

T1

D4

C14

560

C15

3.3K

C05

C04

C01

3300UF

100UF

AC IN

CC223

CC223

CC223

25V

LED1

Title

A

C02

C14'

M400II

A

C06

C03

CC223

CC223

D3

D2

CC223

3300UF

C15'

Size

Number

Revision

25V

100UF

-VCC

R17'

-VB

A4

560

Date:

9-Mar-2005

Sheet

of

L.M.An

File:

F:\my file\My Design\TMD-1.ddb

Drawn By:

1

2

3

4

PDF created with FinePrint pdfFactory trial version http://www.fineprint.com