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5 lcd assmeblys tested on a known 3 pieces of 820-3115 CHIME: YES MOUSELIGHT: YES BACKLIGHT: NO IMAGE: cant see, un able to even find a part where you see the wave form when you turn it on no video when connecting screen with displayport other lcd same issue PPBUS_G3H 12.58v PPVCORE_S0_CPU...

SOLVED, crap under SMC, Trackpad cable was also not the best i have seen

SMC_ONOFF_L 3.425 v when pressing power button no change. keyboard works for the rest i can use everything except power button

820-00165 seems to had some prior repair atempt (jtagg removed) SMC_LID 3.423v when lid is open, closed lid 0.000v then open lid, 3.423v but it wont turn on again, not at key stroke or powerbutton wil turn on when you plug charger

SMC_ONOFF_L should en 3,3 volt if I am correct ppbus_g3h 12,33 is to low! Reball or replace SMC then check again

Corrosion under SMC? SMC_LID high? SMC_ONOFF_L ?

Anything on pp5v_s0 and pp3v3_s0

Check lcd conmector pin 4-6-7 does iT detect lcd pram reset? does iT chime? light on USB mouse?

Beeing That u6100 leg is ripped of That dont magicly happen. Prefucked iT is. Check rest of the board again?

R6110 15.3 R6111 15.2 R6112 15.3 R6113 15.2 R6114 25.6 R6115 15.4 R6116 15.3 R6117 15.4 R6118 15.2 R6119 15.3 R6120 44.1 R6121 43.5 R6122 43.7 R6123 25.4 R R6125 43.6 R6126 43.7 R6127 44.1 R6128 25.6 R R6130 43.6 R6131 44.0 R6132 43.7 R6133 44.0...

(for my info so i know what board is what rep:1958) Green/orange light fan spin, no chime sometimes image and even os most times it just stops running. u1950 was prefucked. (replaced and trace fixed) u8005/C8005 pp5v_so had some damage replaced u5800 probe point for CPUTHMSNS_DUR_SEL fixed had...

is that face to face?

hi Duke, cant send you pm box is full..... whats the price for the replacment

on a know dead board it lights up for a few sec then turns off. also connected a external hdd/ssd caddy. same result on the 00165 keeps on, on the dead board turns off

Mouse stil lights up even after 20 minutes after beeing on. pulled in/out alot... and everytime works.

Yea was thinking the same just had Some valse hope

Hi all, got a 820-2915 mac here put the logic board in a known good working housing + ssd and same result replaced all parts like hdd/ssd/cable/RAM/ nothing connected etc, and Always stuck on apple logo about 30% also known good SSD and ios same result ASD gives no errors.

with keyboard, (rest is unpluged) SMC_ONOFF_L 3.422 volt stable wont go off when machine turns off. however i pluged in the mouse and when the machine turns off the mouse light also turns off and when pluging in again no mouse light.. no keyboard (SAME RESULT) SMC_ONOFF_L 3.422 volt stable...

Same issue keyboard removed. Did not observe shutting down wil do that did check iT after iT was turned down and iT was stil 3.3

RAM SLOT REMOVED AND I CAN PUSH AL I WANT NOTHING HAPPENS SOLVED Thank you Duke