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replaced U7701 same problem backlight 2 seconde at startup and stop,

i will replaced U7701, Backlight is powered by PPBUS_G3H for this model ? what is size of ball for this ship i have stencil Universal

Yes corrosion around LP8550

PPHV_S0SW_LCDBKLT 20V at startup and descrease

No backlight and no power from battery, history liquid damage (orange juice) PP3V42_G3H 3.4v PPBUS_G3H 8.3V (need 12v) SMC_BC_ACOK 3.4V PIN 17/18 OF U7100 5 OHMS PIN 27/28 OF U7100 20 OHMS

"Floureon" battery work good on ali or ebay

0.3V C7771 replaced it works, again bad caps with mc79 crazy thanks solved

Green Light, battery charging, but not power on Tried good charger, dc board, keybord and short power on pad SMC_ONOFF_L 3.44v SMC_RESET_L 3.44v PPBUS_G3H 12.4V

Thanks you :)

How to dry the logicboard, oven maybe or just air compressor or free air

Bad F9800 thanks solved

Tried lcd and good cable know, same problem, PPVOUT_S0_LCDBKLT 0v PP3V3_SW_LCD 3,3V U9701 pin 4 0V L9701 pin 1 and 2 0V

Yes always real charger never bullshit charger ;) press button one time for me work, strange at pin 6 of 7750 but logicboard work Ok thanks duke considérer solved

why motherboard not automatic start without battery keyboard trackpad

run asd efi

i had this problem with A1369, begining by video artefacts, finish by 3 beeps and black screen at startup, reflow ram solved problem for me probably corrosion. Work some time and 3 beep again i have reballing all ram and solved this problem but A lot of wasted time

if i short SMC_ONOFF_L motherboard startup

Tried good know magsafe 85w and magsafe board, SMC_BC_ACOK 2.29V pin 14 of U7000 SMC_RESET_L 3.42V PP3V42_G3H 3.42V PPBUS_G3H 12V R7021/22 of u7000 10ohms R7051/52 10ohms PP1V05_S5 1.05V i replaced C7771 at R7780 and R7781 i have 193Kohms for 2 resistors, but voltage pulse at pin 6 of...

lot of laptop Asus at my work have this problem. I am often able to resolve it by flashing the bios. Duke how is this possible that many laptop, Acer, Asus ... have this problem ? Intel me region caused this issue and why MDY what is model of motherboard and rev ? i have bios dump

Solved received new battery turbo boost works, ASD EFI all passed thanks