M-900
4321
+VB
8166
JK1
D
JK2
R
L
C
B
A
R
12
2
L
CD4053BC
13
1
+VB
C10
CC104
AC IN
U6
R9
4.7K
R9'
4.7K
R11
8.2K
C9
1UF
C19
103/1KV
SW1
14
15
91011
SW2
R10
100K
2
3
GREEN
LED2
RED
+VB
-VB
T1
LED1
8
4
C11
CC104
U4A
4558
VR1A
B50K
VR1B
B50K
R12
1
C12
CC104
R01
1K
R01'
1K
R24
3.3K
47K
4x1N4004
D3 D2
R13
10K
C1
1UF
C1'
1UF
-VCC
D1D4
VR4
W100K
+VB
U1A
4558
2
3
R1
100K
6
5
R1'
100K
C13
MC224
R14
10K
+VCC
C23
4700UF
25V
C24
4700UF
25V
-VCC -VB
-VB
U1B
6
5 7
U4B
C14
MC104
R22
470/0.5W
R23
470/0.5W
1
7
C15
0.47UF
VR2
B50K
ZD1
9.1V
ZD2
9.1V
C2
MC682
R2
8.2K
C2'
MC682
R2'
8.2K
+VB
R15
2.2K
C25
100UF/25V
C26
100UF/25V
R3
3.3K
R3'
3.3K
C16
0.47UF
C17
CC102
R4
6.8K
VR3A
R4'
6.8K
VR3B
B50K
B50K
R17
22K
C4
0.22UF
C3
MC333
C4'
0.22UF
C3'
MC333
-VCC
22K
R5
22K
R5'
22K
R17'
CC102
CC102
C21'
CC104
C03
C03'
1
2
1
2
C7
CC104
+VCC
U5
U6
C5
3.3UF
R6
510
C5'
3.3UF
R6'
510
TDA2030A
5
4
3
TDA2030A
5
4
3
C22'
100UF/25V
C8
100UF/25V
C7'
CC104
C21
CC104
R19
22K
C18
22uF
R18
680
R19'
22K
C18'
22uF
R18'
680
1
2
1
2
5
U2
3
5
U3
3
C22
100UF/25V
002-00900-201板 R01 R01'阻值为15K
1 2 3 4
+VCC
TDA2030A
4
R7
47K
TDA2030A
4
R7'
47K
-VCC
C8'
100UF/25V
C19
CC224
R20
3.3
R21
22K
C19'
CC224
R20'
3.3
Title
MC-3500/4.1 SUBWOOFER SYSTEM
Number RevisionSize
Legal
Date: 25-Nov-2003 Sheet of
File: F:\my file\My Design\M-900.DDB Drawn By:
C6
CC224
R8
3.3
C6'
CC224
R8'
3.3
0.5/0.5W
0.5/0.5W
JR1
0.5/0.5W
JR1'
0.5/0.5W
JR2
JR2'
SP3
8 ohm
SP1 FRONT R
12 ohm
SP4 REAR R
16 ohm
SP2 FRONT L
12 ohm
SP5 REAR L
16 ohm
WANGZHAO
D
C
B
A
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