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both boards will boot to macOS if disabled AppleCameraInterface.kext both boards will boot to macOS if I removed Camera IC (U3900) and enable AppleCameraInterface.kext I've replaced u3900 on both boards but still stuck on AppleCamIN. maybe original u3900 was never bad. any suggestions? bad...

no change, USB thumb drive doesn't light up. same as before. 5.1v is still present on pp5v_s3_ltusb_a_F after inserting a USB drive. my usb desk lamp will power up ok.

na i've two chargers on the desk. they work fine on similar board. i always like to compare measurements. you are right just a weird intermittent thing.

USB3_extra_r2d_p has contunity to c4621 USB3_extra_r2d_n has contunity to c4620 USB3_extra_r2d_c_p has 0.341 on diode reading (same on a known working good board) USB3_extra_r2d_c_n has 0.341 on diode reading. (same on a known working good board) USB3_exrta_d2r_p has 0.352 on diode reading...

I've spent over an hour working on this board last night. just then..I've tried plugging a MagSafe in this morning. now it does fan spin why?

usb2.0 and usb3.0 not working. tried flash drives mouse. 5v present on L4605. 5v present on usb port's power pin. U4650 pin 10 - 3.4v Diode mode on pin 5,6 of J4600 0.641 0.641 Diode mode on USB_EXTA_P and USB_EXTA_N 0.404 0.404 i've replaced U4650, its still the same. USB port looks...

nevermind.

yep PP5v_S5 5v PP3v3_S5 3.3

PM_BATLOW_L pulsed once to 0.6v then 0

yes. i need a signature. i only used genuine lol

have i killed the PCH on this board? it had a bloated battery and the battery has been disconnected. i can power on with MagSafe 2 85w fine . so i took the board out then put in a good chassis with good battery. now it doesn't power up at all with battery nor charger. PP1v05_PCH_VCCIO_S0 has 14...

On battery alone 3V42_G3H is 3.430v VRTC: 3.422v i think i've replaced this U1900 as well. but will do it again. maybe pch :( i'll try Ultrasonic cleaner

battery only measurement. PP5v_s5 - 0v PP5V_S4RS3 - 0v PP5V_S0 - 0v PP3V3_S5 - 0v PP3V3_SUS - 0v PP3V3_S3 - 0v PM_SLP_S0_L - 0.057v PP3V3_S0 - 0.058v PP3V3_S4SW_SNS - 0v PP3V3_S4_TBTAPWR - 0v PP1V8_S3 - 0v PP1V2_S3 - 0v PP3V3_S0 - 0.058v is this normal when the board is turned off and the...

what can it be, so I charged up 100% at midnight 12 am, then turn it off and when I open in the morning around 10 am. it has 90% of battery life. I've checked L3095, L7701, L7520, L7320, L7310, L7630, L7430 and they're not consuming power after turning off. i haven't had the chance to...

UK, Birmingham. only cost around 6pounds within EU. i'll pay for postage. i want to know whats wrong with it. i'll throw other boards in as well. pm me or on discord. thanks.

yes, sorry. forgot to add i've tried different bios as well. this is a hard one, think i'll leave it and put on a dead pile. probably theres crap under pch/cpu. 2informaticos, do you want this board for free and maybe you can fix it. its a 8gb version.

yep, i've checked this area many times. 1st I've tried using other chip from a donor board of same 00165 board. 2nd I've made of own using piernov's clean me region method, i had many successful doing it on other boards as well. oh yes pulse , 3.3v for a split second. CPU_VCCST_PWRGD - 1v...

minor liquid found on U1930. I've replaced and it's still no go. red/green light on the charger but no fan spin. here's are the measurements: ppbus_g3h: 8.59v pp3v42_g3h: 3.42v rtc: 3.3v PP5V_S5: 5v pp3v3_s5: 3.3 pp3v3_s0: 0v -3.3v for a split second then goes 0v. not pulsing. pp1v5_s0: 0v...

the board had prior repair attempted. the board was liquid damaged and was missing an SMC. if I use charger only, the board always turn on fine. if I put a charged battery. turn it on, fan spins, use it as normal, it can charge the battery, passed ASD EFI and ASD OSX. then a couple of hours...

it was F7140. one side was 3v i will test if the board still shutdown. thanks.