R1
200k
R2
VR2 7818
VR1 7805
X
C4
C5
+ 10011
lOOn
R3
15k
RS n
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R4 100k 100RI1-
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rfi
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Ki sr
R7
1k
C8
1mf
C9
100n
C15
50/J
EP1
C10
220n
C11
330R-2gT FR607