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Registered Member #834
Joined: Tue Jun 12 2007, 10:57PM
Location: Brazil
Posts: 644
Look for a pin with infinite resistance to all the others. This is the ground of the high-voltage coil. It's probably one of the pins in the arc of pins at the bottom. Pins out of the arc are the other ground connections, for the potentiometers and the capacitor. This site has schematic diagrams of many flyback transformers:
Registered Member #540
Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Not all of the pins on all flybacks are used. I would suggest connecting a 9V battery to it and use an LED with a current limiting resistor in series with it (You might not need one actually). IIRC the negative of the battery would go to the ground and the LED to one of the pins at the bottom of the flyback. The HV diode usually has too much voltage drop or the coil has too much resistance for most cheap meters to measure it.
Registered Member #1764
Joined: Thu Oct 16 2008, 03:52AM
Location:
Posts: 10
ok well i will just post this if it helps. horseshoe faceing down 1 if the top letf onwards.. pin 1 has infinante resistence to all pin 2 has 5 ohm to pin 5 .5 ohm to 7 and .4 ohm to 8 pin 3 has .8 ohm to pin 4 and 1.3 ohm to 6 pin 4 ~1 ohm to 6 pin 5 4.8 ohm to 7 and 8 pin 7 has .3 ohm to 8 i dont know if that helps or not but that is what i have
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Need help with flyback transformer.
