AUDIO VU METER 9 LED SUPPLY 12V DC @ 50mA
PR1 PR1 PR2
REF RE F SE SET T AUDIO LEVEL SET
+V GND GN D
D 1 L ED ED
R 1 6 .8 .8 K
+
C1 0.1uF D 2 L ED ED
R 2 6 .8 .8 K
D 3 L ED ED
R 4 6. 8 14 R 5 6 .8 .8 K
13 12
D 5 L ED ED
R 7 6 .8 .8 K 11
D 6 L ED ED
R 9 6 .8 .8 K
D 7 L ED ED
R11 6.8K
10 9 8
D 8 L ED ED D 9 L ED ED
R12 6.8K R13 6.8K
C2 100uF/25V
CN 1
U1 1 LB1409 15
D 4 L ED ED
C D V 2 1
1 2
7
1
15
2
2 R3
22K
R6
22K
PR1 1K
+
14
C3 10uF/25V
13 12 3 11 4
3 4
10K
R8
PR2
10 R10 91K
9
10K
8 7
6 1 6 1
6
5
5
6
3 +
C5 10uF/25V
R14 18K
+
C4 1uF/25V
CN 2 1 2
N I G I S
R15 20K
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6 2
4 SR QNY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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1 1 1 1 2 1 9 1 2 9 2 1 1 1 1
REF CN1 CN2 C1 C2 C3,C5 C4 D1,D D1 ,D2, 2,D3 D3,D ,D4, 4,D D5, 5,D6 D6,D ,D7, 7,D D8, 8,D9 D9 PR1 PR2,R8 R1,R2 R1 ,R2,R4 ,R4,R5 ,R5,R7 ,R7,R9 ,R9,R1 ,R11,R 1,R12 12,R1 ,R13 3 R3,R6 R10 R14 R15 U1
DISC 2 PCB PINS 2 PCB PINS 0.1uF 100uF/25V 10uF/25V 1uF/25V RED LE LED D 1K 10K 6.8K 6.8K 22K 91K 18K 20K LB1409
7 2
