Rick,
A further thought on this... Next time your P3 fails, can you try and
grab an image from it using the utility? I just thought of that, mine
will not grab an image, when it is failed, so it is probably not the
backlight on mine.
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 6:03 AM, Dave Cole wrote:
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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