How to check if flyback transformer is working fine ?

wtk1989

New member
Hello everyone !

Can someone tell me how i can check if everything is ok with flyback transformer (datasheet in attachment) ? I have 3 of theese, and in 2 of them secondary winding pins are switched. I have checked if there is no short circuit between windings '(used regular multimeter with beeper to check circuits) and everything seemed to be ok, but when i use transformer in my SMPS there is no signal directly on transformer outputs (both of them) Is that mean that sth is wrong with trafo ? Someone know how to check if transformer is working correctly ? Any advice will be helpful.

transformer datasheet:
http://obrazki.elektroda.pl/2559329500_1391523151.jpg
 
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