Microlab M-520 Schematics

4321

C25

C17'
47UF

100UF

10

11

7

6

R10
10K

R19

2.2K

LE2

C13
224

C2
682

R1

8.2K

C2'
682

R1'

8.2K

R14
680

6

5 7

U2B

C14
104

ZD1
9V1

R2

3.3K

R2'

3.3K

VR3A
B50K

VR3B
B50K

C15

0.47UF

VR2
B10K

470uf

R15

3.3K

C03
333

C03'
CAP

C16

0.47UF

R16

2.2K

C3
102

C3'
102

R18

2.7K

D5

4148

C4

0.22UF

C4'

0.22UF

C5

47UF

R4
220

C5'

R4'

47UF

220

C27
102

+VB+VA

C23
47UFC22

R17
47K

R11
150

R12
100

C17
47UF

JK1

D

C

C26
104

B

AC IN

A

R

C1

L

0.47UF

C1'

0.47UF

R5
33K

R5'
33K

C11

R7

100UF

8.2K

C10

1UF

T1

1 2 3 4

+VB

2

3

R6
470K

SW1

+VA

D3

VR1B
B10K

C12

104

8

U2A

4

4558

VR1A
B10K

47K

R8

1

D1

D2D4

R9
10K

+VP

C21
2200UF

16V

VA

16

U1

TEA2025B

KA2206

8

4,5,9 12,13

1,

C6
47UF

*

C25' 100UF

10

11

7

6

1

8

C18
47UF

Title

A4

Date: 25-Nov-2003 Sheet of
File: F:\my file\AN\M-2025.DDB Drawn By:

C24
104

C7

14

100UF

15

3

C7'

100UF

C19

14

100UF

15

C19'

3

100UF

2

VA

16

U3

TEA2025B

KA2206

4,5,9 12,13

2

C24' 104

M- 520 SUBWOOFER SYSTEM

Number RevisionSize

C8
224

C8'
224

C20
224

C20'
224

C9

C9'

470UF

470UF

R13

5.1K

L.M An

SP1
4 ohm

SP2
4ohm

SP2
8 ohm

* NO USED

D

C

B

A

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