Quote:
|
Although the original diode appears to be open, two other diodes I have (right out of the factory sealed package) both also test open (in both directions). Since my meters will see the forward voltage higher than 2 volts, this HV diode cannot be checked on them. My three meters will all check smaller diodes and bridge rectifiers (1N4004, 1N4007, Vishay GBPC606-E4) with no problem (which does me absolutely no good in this case), and I've verified all three meters are working accurately.
|
You can check those 4000 series diodes with
just about anything. You need a meter that’s running
at least a 9 volt battery to get anything out those HV diodes.
Quote:
I've also got a vintage Simpson meter (non-digital) around here somewhere, but haven't been able to locate it. Hopefully, my wife didn't take it to the Goodwill store with my o-scope that only needed a new probe.
|
It’s probably a Simpson 260, just hope that one didn’t walk
away from you. A new one is about 250 -300 bucks.
You would be able to check the HV diodes with that one.
you would just need to set it on R times 10,000.
If you locate it -hang on to it. I still have mine
and I still use it quite a bit.
Quote:
As I initially mentioned, note that I have used one of the new replacement HV diodes with the same results; as well as a new HV cap.
|
Ok.. provided everything is wired correctly and you are
getting 120VAC at the primary of the transformer, about
the only two things left would be 1. the transformer
is not putting out HV (bad secondary) or 2. the mag is bad.
Based on youre earlier post I suspect the latter of the two.