Text preview for : M-B75.pdf part of Microlab M-B75 . Rare and Ancient Equipment Microlab Speakers Колонки Microlab M-B75 M-B75.pdf
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D JK1 D
C1 R2 +VCC
682 3.3K
R1' R1
15K 15K C9 C13
VR2A 104 SP1
C3 R4 TDA2030A U1 100UF
JK2 VR3A B50K C5 4 ohm
104 5.6K 5
B50K 1
4
C4 2
0.22uf * R6
104 C8
C6 22K 3 R8 224
VR1A
221
B50K C15
C7 39K
C2 C14 4.7UF
NP
R3 22UF
103 100UF R9
1.8K
C R7 3.3 C
C10 SP3
560 -VCC 104 8 ohm
C1' R2 '
682 3.3K
+VCC
VR2B SP2
C3' R4' TDA2030A U2
B50K C5' 4 ohm
VR3B 104 5.6K 5
1
B50K 4
C4' * 2
0.22uf R6'
104 C6' C8'
B 22K R8' 224 B
VR1B 221 3
B50K C15'
C7' 39K
C2 4.7UFNP
R3' 22UF
103 R9'
1.8K -VCC
R7' 3.3
SP4
560
8 ohm
+VCC
C11
F1 1N5402X4 D1 2200UF
T1
D4 25V R11 * NO USED
SW1 250V/1A
AC IN
3.3K LED
C12
D3 D2 2200UF
Title
A 25V A
B75 STEREO SPEAKERS
Size Number Revision
-VCC
A4
Date: 25-Nov-2003 Sheet of
File: F:\my file\AN\M-B73.DDB Drawn L.M.An
By:
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