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Diodes broken in HV board of projector DTV-852 runco.
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Author Message
yareth



Joined: 01 May 2009
Posts: 8
Location: Venezuelan and Canada

Posted: Wed Jun 10, 2009 1:53 pm    Post subject:

Good morning, I have made the ps repair had to try with several diodes in paralell and in series with no results, they smoked.

Used two resistors in parallel with the diodes and at the end i did make it work with the aproximate parts to have it work, the stage is output 1.250 volts and it worked for five (5) hours.



I have new problem. i have a convergence problem and i cannot adjust the vertical RED line, idont know if deficience of one of the modules stk392-220 or by mechanical way .


thanks, yareth-
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