Page 1
4321
+VCC
R5
510
R5'
510
LED1
C5
3.3UF
C5'
3.3UF
R14
510
C22
100UF/25V
C12
22UF
5
1
TDA2030
4
U2
2
C21
104
3
5
TDA2030
1
2
C23
104
1
2
Title
A4
Date: 4-May-2005 Sheet of
File: C:\Documents and Settings\wangzhao.MICROLAB\桌面\桌面\Copy of TMN-1 sch.DDBDrawn By:
4
U3
3
C22'
100UF/25V
+VCC
TDA2030
5
4
U4
3
-VCC
BM-2.1 SUBWOOFER SYSTEM
Number RevisionSize
-VCC
R15
22K
R6
22K
R6'
22K
JR1
0.5
C6
CC224
R7
2.2
JR1'
0.5
C6'
CC224
R7'
2.2
C13
CC224
R16
2.2
SP1
6 ohm
SP2
6 ohm
SP3
4 ohm
L.M.An
D
C
B
A
C2
R11
10K
472
R2
8.2K
C2'
472
R2'
8.2K
R3
3.3K
R3'
3.3K
C8
224
R12
10K
6
5 7
C9
104
+VCC
C14
3300UF
25V
C14'
3300UF
25V
-VCC -VB
U1D
LM324U1C
R17
560
R17'
560
C3
0.22UF
C3'
0.22UF
C10
0.47UF
+VB
R4
6.8K
R4'
6.8K
R13
10K
C15
100UF
C15'
100UF
C4
102
C4'
102
C11
102
R19
3.3K
JK1
F1
130C
VR2
B50K
VR1A
B50K
VR1B
B50K
R8
4.7K
R8'
4.7K
C1
0.22UF
C1'
0.22UF
T1
R9
8.2K
D
C
B
SW1
AC IN
A
1 2 3 4
R1
47K
R1'
47K
13
12
U1A
LM324
14
2
3
9
10
+VB
-VB
LM324
4
11
1
U1B
R10
12K
LM324
8
4xRL205
D1
D4
D2D3
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