Question about Televison & Video
No, the flyback transformer can't cause that. What you experienced was caused by the failure/shorting of one of the modulating diodes - the diodes that are used to control the output of the flyback transformer to compensate for the E-W distortion. When one of the diodes failed it became essentially a short and this has overstressed the transistor till it failed.
This is how the diodes circuit looks in a very similar tv - i don't have your schematic
The diodes are from th BY family - usually BY215 or BY218. You will have to identify yourself.
Posted on Nov 07, 2010
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Posted on Jan 02, 2017
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