Microlab M-666 Schematics

1

2

3

4

C7

+VCC

JK1

C2

C8

VR1A

MC682

C3

104

100UF/25V

R2

1UF

B10K

5

SP1

3.3K

1

TDA2030A

D

R7 0.5

6 ohm

D

C1

0.22UF

R1

2

U2

4

8.2K

C08

R3

3

R5

MC222

6.8K

C5

C6

3.3UF

33K

CC224

C2'

R4

R6

MC682

3.3

510

C3'

C1'

0.22UF

R2'

1UF

5

SP2

VR1B

3.3K

1

TDA2030A

R7'

6 ohm

B10K

R1'

U3

4

0.5/0.5W

2

8.2K

C08'

R3'

3

MC222

6.8K

C5'

R5'

C6'

3.3UF

33K

CC224

C

R4'

R6'

C

R8

3.3

510

33K

-VCC

C10

R8'

C9

100UF/25V

+VB C25

104

33K

C13

R10

MC224

CC104

10K

C15

+VCC

6

2

8

R11

3.9K

R12

R13

0.47UF

10K

10K

5

7

C19

C8'

3

1

TDA2030A

CC104

100UF/25V

U4B

R14

2.7K

SP3

C11

4

U4A

1

5

4 ohm

C12

1UF

4558

C14

VR2

4

R18

CC104

R9

B10K

U5

2

0.5

B

100K

C26

MC104

C16

B

3

CC102

C18

CC104

C17

R16

CC224

-VB

22UF

39K

+VCC

R15

R17

3.3

R19

+VB

510

4xRL205

470/0.5W

C20

C10'

SW1

T1

D4

D1

C21

ZD1

C23

CC104

100UF/25V

3300UF

9.1V

100UF/25V

R21

-VCC

AC IN

25V

2.7K/0.25W

C22

ZD2

LED1

D3

D2

3300UF

9.1V

C24

25V

100UF/25V

A

-VCC

R20

-VB

-VCC

Title

A

470/0.5W

M-666 SUBWOOFERSYSTEM

Size

Number

Revision

A4

Date:

2-Mar-2005

Sheet

of

File:

F:\my file\My Design\M-666.ddb

Drawn By: WANGZHAO

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