G500 ...power on no display..
amps...0.390
vcore missing
checked vcore ic for following
5vs...present..
vron present...
svid data present...
svid clock present...
svid alt present..
vcomp missing (b+ supply)
vgate missing ..
found pr929 1k
and pr933 10k reg curroted
removed reg
cleand pads..
replace with new reg ...Board is up
发表于 2017-6-4 03:04:04
发表于 2017-6-12 20:18:02
