Recent content by tomimcl

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

Without charger and with battery connected i have 4.8v on PPDCIN_G3H, i think that's wrong

PPBUS_G3H -> 8.45v when works when it doesn't work i no have ppdcin_g3h

just changed Q7180 and same behavior

r7180 - 100k r7181 - 62k r7185 - 469k r7186 - 333k looks ok. Is dcin_isol_gate in 6.7v ok?

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...