Microlab M-1000 Schematics

4.3 (3)
JACK1 FRONT R
JACK1' FRONT L
BASS IN
C9 1UF
C001 221
C001'
221
R9 47K
R9' 47K
R11 8.2K
VR1B B50K
R12 100K
VR1A B50K
2
3
A
+VB
-VB
1
2
1
2
1
2
C23
104
U2
U3
+VCC
U5
-VCC
5
TDA2030A
4
3
5
TDA2030A
4
3
-VCC
C8' 100UF/25V
TDA2030A 5
4
3
+VCC
R7
33K
R7'
33K
C24 100UF/25V
SP1 6 ohm
C6 224
R8
3.3
SP2 6ohm
C6'
224
R8'
3.3
C22
C21
100UF/25V
104
R19 47K
SP3 6 ohm
C19 224
R20
3.3
+VB
U1A 4558
2
1
3
C1
R1
1UF
100K
-VB
U1B
6
C1'
R1'
1UF
100K
C11
104
8
47K
R13
1
U4A
4
4558
C12 104
D1
1N5402
D2
1N5402
7
5
R14 10K
+VCC
C25 3300UF
25V
C26 3300UF
25V
-VCC
R21 680/0.5W
R22 680/0.5W
C2 822
R2
8.2K
C2' 822
R2'
8.2K
C13 224
R15 10K
R3
3.3K
R3'
3.3K
+VB
-VB
U4B
C27 47UF
C28 47UF
C15
0.47UF
6
57
C14 104
ZD1
9.1V
ZD2
9.1V
VR2 B10K
R23
2.7K
R4
6.8K
R4'
6.8K
C16
0.47UF
-VCC
472
C4
0.22UF
C3
C4'
0.22UF
C3' 472
LED1
R17 22K
R5 22K
R5' 22K
C5
2.2UF
C7
C8
104
100UF/25V
R6 560
C5'
2.2UF
R6' 560
C7' 104
C18 22UF
R18 560
AC IN
JACK2 REAR R
JACK2' REAR L
JK3 BASS
JK3' CENTER
5
TDA2030A
4
3
5
TDA2030A
4
3
-VCC
2C8' 100UF
TDA2030A 5
4
3
1C8' 100UF
+VCC
1C7 104
SP4 6 ohm
2C6
2R7
224
33K
2R8
3.3
SP5
SP6 6 ohm
6 ohm
2C6'
2R7'
224
33K
2R8'
3.3
1C8 100UF
1C6 224
1R7 33K
1R8
3.3
SYSTEM
+VB
U6A
8
4558
VR3A
2C001
B50K
221
2C001'
221
VR3B B50K
1C001
VR4B
221
(P4)
B50K
1C001'
221
VR4A B50K
SW1
T1
C29 223
2
1
3
2R1 100K
2R1' 100K
3R1 100K
1R1 100K
2D1
1N5402
2D2
1N5402
4
-VB
U6B
6
7
5
6
7
5
U9B
1C11
+VB
104
U9A
8
2
4558
1
3
4
1C12 104
-VB
+VCC
2C25 3300UF
25V
2C26 3300UF
25V
-VCC
2C1 1UF
2C1'
1UF
3C1 1UF
1C1
1UF
A
2R9 47K
3R2 47K
2R21
680/0.5W
2R22 680/0.5W
2C2 822
2R2
8.2K
2C2' 822
2R2'
8.2K
2R9' 47K
1C2 822
1R2
8.2K
BASS OUT
TO C9
2ZD1
9.1V
2ZD2
9.1V
+VB
-VB
2R3
3.3K
2R3'
3.3K
1R3
3.3K
2C27 47UF
2R23
2.7K
2R4
6.8K
2R4'
6.8K
1R4
6.8K
2C4
0.22UF
2C3
472
2C4'
0.22UF
2C3' 472
1C4
0.22UF
1R5 22K
1C3 472
*
*
LED1
2C7
2C8
104
100UF
1
U7
2R5 22K
2C5
2.2UF
2R6 560
2R5' 22K
2C5'
2.2UF
2R6' 560
1C5
2.2UF
1R6 560
2
1
U8
2
2C7'
104
+VCC
1
U10
2
1C7' 104
-VCC
M-1000 / 5.1 SUBWOOFER
Microlab Technology Inc.
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