Microlab M-520 Schematics

1

2

3

4

C25

VA

C24

100UF

104

JK1

C2

R

VR1A

682

C4

R2

0.22UF

D

C1

B10K

C7

D

L

3.3K

0.47UF

10

16

14

SP1

R1

C03

C9 470UF

100UF

4 ohm

8.2K

C3

C5

47UF

333

102

11

15

C1'

U1

C8

C2'

VR3A

R4

TEA2025B

224

220

KA2206

682

B50K

C4'

0.47UF

3

R2'

0.22UF

C9' 470UF

VR1B

3.3K

7

C7'

100UF

B10K

2

R1'

C03'

C8'

8.2K

C3'

6

CAP

224

SP2

102

C5'

8

1, 4,5,9

12,13

R5

R4'

4ohm

47UF

C6

33K

VR3B

220

C

B50K

47UF

C

R5'

33K

+VA C12

C13

C11

R7

224

104

100UF

8.2K

C15

*

VA

100UF

C24'

104

8

R8

47K

R9

R10

6

0.47UF

C25'

2

C10

10K

10K

5

7

C16

3

1

U2B

0.47UF

16

C19

4

U2A

R18

10

14

C26

1UF

R6

4558

C14

VR2

2.7K

104

B10K

C27

100UF

470K

104

11

15

102

C17

U3

C20

SP2

+VB

47UF

TEA2025B

7

224

8 ohm

R11

KA2206

R13

B

C19'

B

150

5.1K

3

6

100UF

SW1

R12

C17'

2

100

47UF

1

C20'

8

4,5,9

12,13

224

T1

D3

D1

+VP

R14

+VA

R15

+VB

C18

D5

47UF

680

3.3K

* NO USED

AC IN

C21

ZD1

4148

9V1

C23

R17

D4

D2

2200UF

R19

C22

R16

47UF

47K

16V

2.2K

470uf

2.2K

A

LE2

Title

A

M- 520 SUBWOOFER SYSTEM

Size

Number

Revision

A4

Date:

25-Nov-2003

Sheet

of

File:

F:\my file\AN\M-2025.DDB

Drawn By:

L.M An

1

2

3

4

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