[Yaesu] FT-817 won't detect internal battery

[Bill Aycock]

With a full short on the battery, you probably melted a trace.
Bill

At 09:35 PM 8/12/2004 -0700, Clark Savage Turner wrote:

>Anyone out there familiar with the 817?  I've gone inside to make a simple 
>mod to protect the PA (reverse phase from driver to PA stage, just 
>reversing output of a balun).
>
>I forgot to disconnect the battery.  Since the battery voltage is always 
>present at the PA, I caused a momentary short while soldering.
>The radio works normally on external power, everything seems fine.
>However, the rig won't power up from the internal battery.
>
>Just curious if anyone has encountered this problem, or if anyone is 
>familiar with the battery detect circuit (and its location and traces on 
>the boards).  My guess is that something simple has failed and I just need 
>to locate it.  Well, if I'm lucky :-)
>
>Clark
>WA3JPG
>
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Bill Aycock - W4BSG
Woodville, Alabama