[1000mp] MP losing audio

[Red, K1DEU]

When I ordered parts from Vertex I simply asked them what other
inexpensive parts I should stock for known failures.  73

bill thomas wrote:
> 
> I switched on my MP this morning, and after about 10 minutes the audio took
> a slow dive. I had to turn up the volume to 3/4 clockwise till signals
> sounded normal. I switched off the rig for a minute and then back on. Same
> thing. After a few minutes the audio slowly reduced. It's quite noticeable
> and it fades to low output in about 15 seconds when it starts.  I did a CPU
> reset and disconnected EVERYTHING from the rig including antennas. The same
> thing happened. I could hear the white noise reduce in volume.  The signals
> are still there as I injected a signal to s-5. It stays at s-5 while the
> audio fades.  Something in the AF output I imagine.  Any ideas anyone?
> 
> Bill k1xt
> 
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