Text preview for : M-620.pdf part of Microlab M-620 . Rare and Ancient Equipment Microlab Speakers Колонки Microlab M-620 M-620.pdf
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+VCC
C7
C8
D D
JK1 C2 104 100UF/25V
682
C3
VR1A SP1
R2 0.22UF 5
B10K 1 TDA2030A 6 ohm
3.3K 4 R7 0.5
U2
2
R1
C1
8.2K R3 3 R5 C6
0.22UF C4 C5
6.8K 33K 224
472 3.3UF
R4 R6
C2' 3.3
510
682
0.22UF C3'
SP2
R2' 0.22UF 5
C1' 1 TDA2030A 6 ohm
VR1B 3.3K R7' 0.5
4
B10K U3
2
R1'
R3'
C 8.2K C4' 3 R5' C
6.8K C5' C6'
472 3.3UF 33K 224
R8 R6'
R4'
33K 3.3
510
-VCC
C10
R8' 100UF/25V
+VB C9
33K C25
C13 104
224
R10
8.2K 104 +VCC
C15
6 0.22UF
8 R1147K R12 R13
2
10K 10K C19 C8'*
5 7
104 100UF/25V
3 1 U4B TDA2030A
U4A R142.7K 5
B 4 1 SP3 B
4558 VR2 0.5
C14 4 4 ohm
C11 C121UF R9
104
B10K
2
U5
104 100K C16 R18
C26 C19 0.5
102 3
104 C17 R16 224
-VB 22UF 39K
R17
R15 3.3
+VCC 510
SW1 D1 R19
+VB C20 C10'*
T1 470/0.5W
104 100UF/25V
1N5402 C25 ZD1 C23 -VCC
AC IN
3300UF 9.1V 47UF
25V R21
2.7K
LED1
C26 ZD2
Title
A 3300UF 9.1V C24 A
AC ADAPTER IN D2 25V 47UF
M-620 SUBWOOFER
SYSTEM
-VCC Size Number Revision
R20
-VCC -VB
1N5402 470/0.5W A4
Date: 27-Mar-2003 Sheet of
File: F:\huang bf\HUANG\M-620.ddb
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