Microlab M-B260 Schematics

321

UA

C25

47UF

100UF

10

11

TEA2025B

7

6

1,

8

C6
47UF

*

C25' 100UF

10

11

TEA2025B

7

6

1

8

C18
47UF

D

JK1

C

C26
104

B

AC IN

A

R

C1

L

0.47UF

C1'

0.47UF

R5
33K

R5'
33K

C11

R7

100UF

8.2K

2

C10

3

1UF

R6
470K

+VB

T1

1 2 34

+VA

SW1

VR1B
B10K

C12

104

8

U2A

4

4558

D3

VR1A
B10K

47K

R8

1

R9
10K

+VP

D1

D2D4

C21
2200UF

16V

R10
10K

C13
224

R17

2.2K

LE2

C2
682

R1

8.2K

C2'
682

R1'

8.2K

R14
680

R2

3.3K

R2'

3.3K

U2B

+VA

ZD1
9V1

C15

0.47UF

6

57

C14
104

VR2
B10K

C22
470uf

R15

3.3K

R3

4.7K

R3'

4.7K

C3
822

C3'
822

C16

0.47UF

R16

2.2K

C4

0.22UF

C4'

0.22UF

D5

4148

+VB

R11
150

C23
47UF

R12
100

C5

R4
220

R4'
220

C17
47UF

R17
47K

C5'
47UF

C17'
47UF

C24
104

C7

16

U1

KA2206

4,5,9 12,13

UA

16

U1

KA2206

4,5,9 12,13

Title

A4

Date: 27-Mar-2003 Sheet of
File: F:\huang bf\AN\M-b260.DDB Drawn By:

14

100UF

15

3

C7'

100UF

2

C24' 104

C19

14

100UF

15

C19'

3

100UF

2

M-B260 STEREO SPEAKERS

Number RevisionSize

C8
224

C8'
224

C20
224

C20'
224

C9

C9'

R13

5.1K

4

470UF

470UF

* NO USED

L.M.An

SP1
4 ohm

SP2
4ohm

SP2
8 ohm

D

C

B

A