mac book a1278 820-2936-b

[nusilor]

so i have not image on screen laptop screen but image on dp
PP3V3_LCDVDD_SW missing
PP3V3_S5 present
LCD_IG_PWR_EN 0 v
watched a few of louis rossmann saying check gpu vcore. however it seem to me that the image comes from the mpch, and there is no gpu
i have image on dp
dose not appear to go through the mux
is this an issue with the mcph or am i missing something

[ktmmotocross]

Re: mac book a1278 820-2936-b

check lid sw

[nusilor]

Re: mac book a1278 820-2936-b

cheers, ill check the circuit the cable is disconnected. didnt think about that

[nusilor]

Re: mac book a1278 820-2936-b

unfortunately not SMC_LID 3.4v trace looks fine going to smc