> I had hoped that the new transistors (Q16, Q17) had solved the problem.
> After watching the sparks (plasma) fly, I figured Q14 and/or Q15 were
> the problem. Sure enough, I pulled out Q14 and it was shorted all the
> way around (I think Q15 had problems too). The transistors on the other
> side of the board (Q4, Q5) seem to be OK. So, where can I find these
> parts: MPS-U07 and MPS-U57? The Woodcock/Scheive material I have looked
> at tells me that NTE188 and NTE189 are equivalent parts.
Just to ask a silly question, aren't these mounted with mica insulators?
Did you put those back in (and heat sink compound)? (I've worked on a
couple of monitors that people omitted that step and wondered what went
wrong.. *poof*)
Kurt
/*
* This version of Kurt Mahan is currently being evaluated. Words he speaks
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*
* Novell Java Technologies R&D Group
*
* Kurt Mahan
* kmahan@novell.com
*/
Received on Thu Nov 20 10:36:40 1997
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