Tester
K 7205
Cat No.
by Bob Parker
Here’s the design for a low cost, easy to build and use battery operated ‘shorted turns’ tester for
line-output or ‘flyback’ transformers, and other HF wound components like deflection yoke windings
and SMPS transformers. Tests have shown it capable of finding at least 80% of LOPT/FBT
faults, so it can save a lot of time and trouble. Small and rugged, it’s well worth a place in the toolkit
of anyone involved in servicing TV receivers, video monitors and computer power supplies.
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