[Hallicrafters] HT-30 problem not fixed-new clue

[Ron Kolarik]

I just got to thinking, no schematic for this critter, plate blocking cap in the 
finals
may be leaky if there is one. Warmup position is filaments only, standby puts
B+ on the plates?

Ron
K0IDT

----- Original Message ----- 
From: "Robert Sauvan" <rsauvan at beyondbb.com>
To: "Hallicrafters" <hallicrafters at mailman.qth.net>
Sent: Wednesday, August 07, 2013 10:00 PM
Subject: [Hallicrafters] HT-30 problem not fixed-new clue


> Decided to check the coax swap a bit more thorough.Put the rig on the air for a bit 
> and all was good for the time. So, decided to swap swr meters to see if they were 
> reading the same as the last one inline. I noticed when I was taking off the cable 
> from the meter I saw some sparking between the coax fitting and the fitting on the 
> meter as I was pulling them apart. The sparking was on the ground side of the PL259 
> before the center pin came out of the SO239. This was all done while the radio was 
> turned on in warmup mode. I put another meter on and I had my warmup to standby 
> transmit problem back. Looks as though it is a bit intermittent but that sparking I 
> saw should be a clue as to what may be occurring with the meters and the radio. I 
> will admit, I have seen this sparking before and wondered but disregarded it at the 
> time. The cable I saw it on was the antenna side of the meter. I did not check the 
> transmitter to meter input yet. Now I'm thinking it is a very big hint. I do have 
> the radio grounded. The saga continues.
>
> Bob-W0YBS
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