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a1278 not power on
Posted: Tue Nov 14, 2017 10:07 am
by satish panchal
i have macbook a1278
m/b part no. 820-2879-b
in problem is not power on
on battery connector 12v not appear and 3.3 volt show properly
i have change isl 6259 and 51125
but same problem
Re: a1278 not power on
Posted: Sun Nov 19, 2017 11:54 pm
by nanooshazi
u can change power dc connector or reprom bios
Re: a1278 not power on
Posted: Mon Nov 20, 2017 9:52 am
by satish panchal
i have already change power connector and bios but same ..
Re: a1278 not power on
Posted: Thu Nov 23, 2017 2:45 am
by Vinit bhandari
brother can u tell me plz do u have volatge on coils 3v and 5v alws
Re: a1278 not power on
Posted: Thu Nov 23, 2017 2:45 am
by Vinit bhandari
ur dc jeck light glow or not
Re: a1278 not power on
Posted: Thu Nov 23, 2017 12:52 pm
by satish panchal
yes dc jack light glow...completly
Re: a1278 not power on
Posted: Mon May 20, 2019 7:21 am
by satish panchal
anyone help me...how to place nvidia chip without xray machine..
how to put perfect place nvidia chip on motherboard
Re: a1278 not power on
Posted: Tue May 21, 2019 9:49 am
by Aashish chauhan
PPVRTC_G3H = RTC VCC = OUT FROM GREEN CLOCK.