Help IP 2715

[Gunnar J. Gakkestad]

Hello.

I have a Heath IP-2715 "Battery Eliminator" bought some 15 yrs ago.
After using it for some days powerering a 70 cm SSb/CW tcvr
a snarling noise (like a cat) and my 70 cm tcvr died. The same
thing happened a bit later when using a 50 watt 2 M pwr amp with
the IP-2715. Again the snarling noise appeared and the pwr amp
died. (Blown output transistors).  After that the IP-2715 was stored and eventually I forgot the darn thing.

A few days ago after reading the "Pse help" mails on the Heat-list
it came to my mind that my Heath IP-2715 was still stored some-
where , and that there maybe hope for it.

So heres my plea: What causes the "Snarling noise" (Oscilating?)
and how do i cure it?

73 de Gunnar/LA1FH gunj.ga at online.no or LA1FH at ARRL.NET


 

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