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+VB JK1 D VR1A B50K C1 1UF 2 3 R1 47K -VB U1A 082 1 C2 682 C4 0.22UF
+VCC C7 104 C8 100UF/25V
1 5 TDA2030A 4
JK4
R2 8.2K
R3 3.3K R4 6.8K VR3A B50K C2' 682
JR1 0.5/0.5W R7 39K
SP1 6 ohm
D
C3 333
2
U2
3
R5 22K
C02 102
C5 3.3UF R6 510
C6 224 R8 3.3 SP2 6 ohm
VR1B B50K C1' 1UF
6 5 R1' 47K
U1B 082 7 R2' 8.2K
R3' 3.3K R4' 6.8K VR3'B B50K
C4' 0.22UF
1 5
C3' 333
2
U3
3
TDA2030A 4
JR1' 0.5/0.5W R7' 39K C6' 224 R8' 3.3
R RCA
R01 22K
R5' 22K
C02' 102
C5' 3.3UF R6' 510
C
L RCA
R01' 22K R9 4.7K C7' 104
-VCC C8' 100UF/25V C
R9' 4.7K
+VB
C11
C13 224 C16 0.47UF
7 U4B
R11 8.2K
2 8
104 R12 47K R13 10K R14 10K
6 5
+VCC R15 1K VR2 B10K C15
1 TDA2030A 5
C9
3 1 U4A 4 4558
C21 104
C22 100UF/25V JR2 SP3 4 ohm
1UF R10 100K B
C14 104 C12 104
0.47UF
R17 22K
C07 102
2
U5
3
4
-VB
R19 22K C18 22uF R18 680
0.5/1W C19 224 R20 3.3
B
+VCC 4xRL205 FUSE1 SW1 R22 150/0.5W D1 C23 3300UF 25V C24 3300UF 25V -VCC A Title R23 150/0.5W ZD1 9.1V +VB R24 1.8K/0.25W C25 100UF/25V LED1 D3 D2 ZD2 9.1V C26 100UF/25V -VB LED2 C21 104 C22 -VCC 100UF/25V
T1
D4
AC IN
1A 250V
A
A-6301
Size B Date: File: 1 2 3 4 5 2-Dec-2003 F:\my file\My Design\A-6301.DDB Sheet of Drawn By: 6 Number Revision
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