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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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