HW-101

[Ken, WA2LBI]

Terry,

I had a similar problem I traced to the audio output tube, V14, a 6GW8.  The S
meter indicated a received signal but the audio would decrease in volume. 
Suddenly there would be a "pop" from the speaker and the audio would cut off
completely.  Keying the rig sometimes brought it back to life so I was looking
as the relays.  It turns out the 6GW8 was slowly developing an internal short
between pins 7 (cathode) and 8 (grid #1).  It finally became permanent which
helped me locate it fast!

73,

Ken, WA2LBI

Quoting Terry England <W9cau at AOL.COM>:

> Hello I have a HW-101 that works fine except after it is on a short time  the
> audio level drops. Also if you put it in the tune or key the mic before a
> short time in receive the audio drops also. Turn it off for a while and it
> does
> it all over again. First i thought it might be in my ant coax or the tuner so
> I  switched to my SB-102 but it works fine. have checked V-3 and some of the
> other  tubes etc but no difference. This 101 has some modes done to it but I
> know  nothing about them also it was that way when I got it. Don't know if
> any
> of them  are part of the problem. It was working fine for the last several
> months just  started yesterday. Thanks w9cau
>

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