Thread: 602 What would cause a PB 602 to power on and then turn off after about three seconds?
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Old 01-01-2022, 12:11 PM   #9
rkomar
Wizard
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Posts: 3,055
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Join Date: Oct 2010
Location: Sudbury, ON, Canada
Device: PRS-505, PB 902, PRS-T1, PB 623, PB 840, PB 633
I finally managed to get the back off my 902 and get a good look at the board. I did not see anything that looked like a JTAG or UART connector. The back has a hole over the CON4 ribbon cable connector, so maybe that is somehow used for diagnostics, but that is beyond my experience. Sorry, I guess I didn't have any good suggestions for you.
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