Microlab M-666 Schematics

4321

JK1

VR1A
B10K

D

C1 0.22UF

2

3

R9
100K

C1' 0.22UF

+VB

CC104

8

4

-VB

T1

C25

R11 3.9K

1

U4A
4558

C26
CC104

D3 D2

R12
10K

4xRL205

D1D4

VR1B
B10K

C

C11

B

A

CC104

SW1

AC IN

R8
33K

R8'
33K

R10
10K

C12 1UF

1 2 3 4

C2
MC682

R2

3.3K

R1

8.2K

C2'
MC682

R2'

3.3K

R1'

8.2K

C13
MC224

U4B

C15

0.47UF

VR2
B10K

R13
10K

6

5 7

C14
MC104

+VCC

R19

470/0.5W

C21
3300UF
25V

C22
3300UF
25V

-VCC -VB

R20

470/0.5W

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

C3'
1UF

ZD1

9.1V

ZD2

9.1V

C3
1UF

+VB

C08

MC222

C08'

MC222

R14 2.7K

C16
CC102

C23
100UF/25V

C24
100UF/25V

R3

6.8K

R3'

6.8K

R21

2.7K/0.25W

C7
104

-VCC

C5

3.3UF

R4
510

C5'

3.3UF

R4'
510

C17
22UF

R15
510

LED1

+VCC

C8
100UF/25V

5

1

TDA2030A

4

U2

2

3

5

TDA2030A

1

2

C9
104

1

2

C20
CC104

Title

A4

Date: 2-Mar-2005 Sheet of
File: F:\my file\My Design\M-666.ddb Drawn By:

4

U3

3

R5'
33K

-VCC

C10
100UF/25V

+VCC

TDA2030A
5

4

U5

3

R16

39K

C10'
100UF/25V

-VCC

M-666 SUBWOOFER

Number RevisionSize

C19

CC104

R5
33K

CC224

R18

0.5

C18
CC224

R17

3.3

CC224

R7 0.5

C6

R6

3.3

R7'

0.5/0.5W

C6'

R6'

3.3

C8'
100UF/25V

SYSTEM

SP1
6 ohm

SP2
6 ohm

SP3
4 ohm

D

C

B

A

WANGZHAO