Version 4
SHEET 1 880 680
WIRE -304 272 -304 224
WIRE -304 368 -304 352
WIRE -128 224 -304 224
WIRE -96 288 -96 256
WIRE -80 288 -96 288
WIRE 64 224 -64 224
WIRE 96 288 96 256
WIRE 96 304 96 288
WIRE 96 368 -304 368
WIRE 96 368 96 352
WIRE 128 288 96 288
WIRE 176 224 128 224
WIRE 336 224 256 224
WIRE 336 368 96 368
WIRE 336 368 336 224
WIRE 336 384 336 368
FLAG 336 384 0
FLAG 128 288 G2
IOPIN 128 288 Out
FLAG -80 288 Foco
IOPIN -80 288 Out
SYMBOL Robertugo\\pote -160 240 R270
WINDOW 0 30 -50 VCenter 0
WINDOW 3 46 73 VCenter 0
WINDOW 123 -29 22 VCenter 0
SYMATTR InstName UTfkPoteFoco
SYMATTR Value Rt=7e7
SYMATTR Value2 Set=.45
SYMBOL Robertugo\\pote 32 240 R270
WINDOW 0 2 1 VCenter 0
WINDOW 3 47 50 VCenter 0
WINDOW 123 -22 22 VCenter 0
SYMATTR InstName U2
SYMATTR Value Rt=2.2meg
SYMBOL cap 80 288 R0
WINDOW 0 -17 13 Left 0
WINDOW 3 -13 51 Left 0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL res 160 240 R270
WINDOW 0 16 11 VTop 0
WINDOW 3 44 134 VBottom 0
SYMATTR InstName R1
SYMATTR Value 4.7meg
SYMBOL voltage -304 256 R0
WINDOW 0 4 8 Left 0
WINDOW 3 -21 59 Left 0
SYMATTR InstName VdivTfk
SYMATTR Value 8Kv
TEXT -242 354 Left 0 !.tran 1u
TEXT -288 104 Left 0 ;Poner un chupete con divisor de tensión Tfk bisonic\ny adjuntar en una placa cerca del Trc el circuito,\ncortando los cables de foco y screen del flyback.
TEXT 112 344 Left 0 ;x1Kv