In a message dated 10/14/2001 9:59:54 PM Eastern Daylight Time,
bret@infowest.com writes:
<< I'm trying to nail down some problems w/ two Amplifone HV boards and 5
deflection boards. I've started by trying to diagnose the HV boards.
On one HV board, I've recapped and installed a new BU409D (previous owner
had installed a BU409!). The other I haven't touched yet. >>
Installing a transistor without a dampener diode can really kill your
HVT, but according to your rings on the tester, the WinTrons seem OK. Are you
getting a square waveform at the base of where the BU406D (or BU409D) goes??
Do you have a scope? How is your +/- 24v? Have you recapped anything yet?
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Received on Mon Oct 15 13:41:11 2001
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