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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