820-00165 no green light no boot. SMC_RESET_L is 0v

Don Anton

New member
Hi all,

This is not a liquid damaged how ever c5120 was burnt and missing. replaced c5120/u5110/R5127/c5101/c5126/c5125/ r7100 still smc reset is 0v.
Removed u5110 you get the green light and quater fan spins. Removed R7100 check SMC_RESET_L still 0v. C5126 comes 3v then gradually going down.

Please help me.
 

2informaticos

Administrator
Staff member
If you get green light without U51110, SMC_RESET_L should be 3V at that moment.
So post its voltages; all pins, less the ground one ;)
Test it with trackpad disconnected too.
 

Don Anton

New member
Thank you for your quick reply and helping me again.

pin 1 3.4v 2,3,4 0v , pin 8/6 0v. pin 5/5 3.4 v. this is u5110 removed
 
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