Version 4
SHEET 1 880 680
WIRE 80 -80 -16 -80
WIRE 240 -80 80 -80
WIRE 80 -16 80 -80
WIRE 80 96 80 48
WIRE 240 96 240 -80
WIRE 80 208 80 176
WIRE 80 208 -16 208
WIRE 128 208 80 208
WIRE 240 208 240 160
WIRE 240 208 208 208
WIRE 272 208 240 208
WIRE 400 208 336 208
WIRE 400 256 400 208
WIRE 400 400 400 336
WIRE 400 400 -16 400
WIRE 464 400 464 256
WIRE 464 400 400 400
WIRE -16 416 -16 400
FLAG -16 416 0
FLAG -16 208 S1
FLAG -16 -80 S2
SYMBOL res 224 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMBOL res 64 80 R0
SYMATTR InstName R2
SYMBOL res 416 352 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMBOL diode 272 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL diode 256 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL npn 400 160 R0
SYMATTR InstName Q1
SYMBOL LED 96 48 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3