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+VB JK1 D VR1A B50K C1 1UF 2 3 R1 47K -VB C2' MC682 VR1B B50K C1' 1UF 6 5 R1' 47K U1B 4558 7 R2' 8.2K R3' 3.3K R4' 6.8K VR3B B50K U1A 4558 1 R2 8.2K C2 MC682 R3 3.3K R4 6.8K VR3A B50K C4' 0.22UF C4 0.22UF
+VCC C7 CC104 C8 100UF/25V
1 5 TDA2030A 4
JR1 0.5/0.5W R7 39K
SP1 6 ohm
D
C3 MC333
R5 22K
C02 CC102 C5 3.3UF R6 510
2
U2
3
C6 CC224 R8 3.3 SP2 6 ohm
R RCA
R01 22K
1
5
C3' MC333
R5' 22K
C02' CC102
2
U3
3
TDA2030A 4
JR1' 0.5/0.5W R7' 39K C6' CC224 R8' 3.3
C5' 3.3UF R6' 510
L RCA C
R01' 22K R9 4.7K
-VCC C7' CC104 C8' 100UF/25V
C
R9' 4.7K
+VB
C11 CC104
C13 MC224 C16 0.47UF
7 U4B
R11 8.2K
2 8
+VCC R15 1K VR2 B10K C15
1
R12 47K
C9
3
R13 10K
R14 10K
6 5
1UF R10 100K
1 U4A 4 4558
C21 TDA2030A CC104 5 U5
3 4
C22 100UF/25V JR2 SP3 4 ohm
C14 MC104 C12 CC104
0.47UF
R17 22K
C08 MC102
2
-VB B
R19 22K C18 22uF
0.5/1W C19 CC224 R20 3.3 B
C21 CC104 +VCC 4xRL205 FUSE1 SW1 T1 D4 D1 R22 150/0.5W C23 3300UF 25V C24 3300UF 25V -VCC A R23 150/0.5W ZD1 9.1V +VB C25 100UF/25V R24 1.8K/0.25W
C22 -VCC 100UF/25V
R18 680
AC IN
0.4A 250V
LED D3 D2 ZD2 9.1V C26 100UF/25V -VB A Title
A-6311
Size B Date: File: 1 2 3 4 5 14-Sep-2004 F:\my file\My Design\a-6311.ddb Sheet of Drawn By: 6 Number Revision
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