I'm having a super weird issue with an 820-00850 A1989, that pulls 20v .01 amps.
The board is very clean, and when I remove it from case it pulls 20V .60 amps no problem.
When I put the logic board back in the case the problem instantly returns down to .01 amp, this is with nothing plugged in except the USB-C jacks.
I'm suspecting it may have something to do with the io jacks ribbon crimping causing an issue, but Ive replaced them with known good ones, is possible this particular board is more sensitive to the ribbon being crimped somehow?
I get identical results testing from the left or right side
Is there something stupid I'm missing here? Anyone ever have a problem like this?
.01 amps
.60 amps
The board is very clean, and when I remove it from case it pulls 20V .60 amps no problem.
When I put the logic board back in the case the problem instantly returns down to .01 amp, this is with nothing plugged in except the USB-C jacks.
I'm suspecting it may have something to do with the io jacks ribbon crimping causing an issue, but Ive replaced them with known good ones, is possible this particular board is more sensitive to the ribbon being crimped somehow?
I get identical results testing from the left or right side
Is there something stupid I'm missing here? Anyone ever have a problem like this?
.01 amps
.60 amps
Last edited: