820-3115 not power on short

Glenn

New member
Sitting with a 820-3115 logic board with liquid damage around u3890 area and j6995.

it have short on PP3V42_G3H (i lift the L6995 and injectt 3,2V) but can't find something that been heatet up (i only get 0.23A on the PSU)
have also replace the u7000
 

Glenn

New member
I have remove smc, u7000, u5010,u6901, u6990,u7941 a lot off capacitors and resistor i get 2.6 Ohm on pp3v42_g3h.
 
Last edited:

Glenn

New member
Will try to putt all the missing components back again an see :)
 
Last edited:

2informaticos

Administrator
Staff member
Wasn't L6400?
The board should work without it; no mic, of course...
To solve that, check C6403/05 and U6400.
 

larossmann

Administrator
Staff member
It's the cap under the foam. You won't see/feel it getting hot if you ignore the foam. Get it!!
 
Top