[Yaesu] FT990 help needed

[Steve Sutfin]

Sounds like it might be thermal. I would open it up and confirm all  
connecting cables/jumpers are clean and tight. Then, anything that's  
not mechanical I always check: (1) power supplies, (2) voltage  
regulators, (3) electrolytic caps on whatever board is relevant.
If the push buttons seem tight or 'sticky' sometimes they get crud in  
or behind them and don't make good contact.
gl,
Steve k7dna

On Jan 11, 2012, at 11:37 AM, Rick Gouge wrote:

> Hello to to the list. Is there anybody on here that knows the FT990  
> rigs? The 990 front panel push button switches for band, mode and  
> so on work intermittently. Its not Mechanical. Left on for a few  
> hours the whole rig may start functioning again. Any ideas?  
> Please.  Rick VE7RiK
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