[ICOM] IC-575a Strange Problems

[Frank A. Ellis]

Tom,

The lithium battery in the 575A does not store program
data that initializes the rig, as in some of the older
models. It only keeps alive the stored memory
channels. 3V as measured is a pretty good voltage,
regardless of the battery's age. 

Regarding the other problem, it sounds like you may
have a failed USB BFO. Troubleshooting is the only way
to tell for sure.

Good luck,

73 Frank W3UHF



--- Thomas Qualtieri <n1tq at hotmail.com> wrote:

> Just acquired a IC-575a have a strange problems...
> When the USB/LSB switch 
> is depressed LSB seems to have a normal amount of
> received Noies but USB 
> seems to be dead ? Tried to do a CPU reset
> depresssed the m/cl and powered 
> on. Stilll same issue all othe mode seem ok. Also
> when using Memory mode 
> (not VFO) Memory number do not change wile in
> USB/LSB but do in all other 
> modes. I have checked the 3V lithum batter it
> measures 3v but I do not know 
> how old t is ?? Wonder if this could be a corupted
> CPU program like with the 
> ICOM 751/735 ?? Tom N1TQ
> 
> 
> ----
> Your Moderator: Dick Flanagan K7VC,
> icom-owner at mailman.qth.net
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> 



	
		
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