Rick,

Thank you! I appreciate the datapoint in this. I was just looking over the schematic and came to the same conclusion... It looks like a backlight problem to me as well... I tried to find a datasheet on teh 4538 IC that appears to control it, but alas, nope. I got mine to come back on by power cycling it as well...

Hopefully someone has actually fixed this, and knows which cap...

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 4/12/21 5:27 AM, Rick Stanback wrote:
My P3 does the same thing.  If i keep cycling power it eventually comes
on and works.  I suspect there is a bad capacitor in the LCD backlight
power.  I have not actually looking into it yet.

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