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I tried before with lab psu and works ok.
i removed r7012 and it is 68k
I have another board, and with only battery connector (without the magsafe) i have 0v in PPBUS_G3H, and the faulty has 4.8v in PPBUS_G3H
Ok thx you with lab PSU dcin_isol_gate is 6.7v
The blinking blacklight problem is solved with a new r7741
I Will order a q7180 and post back if problem is solved or not
Ok the blinking issue looks becouse corrosión on r7741 and c7714 on LCD backlight driver, r7741 is missing , but i think is not related with the power on issue no ?
With a lab PSU always power on but not charging battery
I just notice that with os started the backligjt blink a little if i turn down the bright the blinking is very strong
Ok, i need to order one , couse dont have pieces.
Dont know if is normal that R7012 has 68k when the board si discharged, when with magsafe is working and i disconnect the charger the valué of R7012 si too high i meses to wait board discharged to come back to 68k
R7012 - 67.7k
With magsafe connected and battery disconnected i only have PPDCIN_G3H when the board si discharged. With the board working with magsafe if i remove the magsafe and Connect again i lose light on magsafe and PPDCIN_G3H has about 1.1v droping to 1.0 - 0.9 - 0.8 when voltage drops to...
Hi, i have no experience with macbook boards.
The board works perfectly with battery, if battery goes down, never power on.
If i disconnect battery and i release all residual electricity from the board the mac power on with the charger and works perfectly, even if i connect the batery now, the...