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Hey , Liquid damage, Area U9701 and U7100.. This one already works but backlight appear slowly and with DIM backlight like photo show. Already replace U9701, D9701, R9840, fix trace pin_24 _U9701 to pin1_C9796. LCD connector looks well and already did 3 PRAM. Any suggestion ? thanks

Hello, This motherboard came with a little corrosion close to u7501, properly c7537, r7521, c7536. But i think that corrosion it's not the main problem. I found F7140 opened, and i noticed PPBUS it's shorted! when i apply 1V on PPB?S the PCH get's real hot more than usualy. I noticed to...

Hey, No liquid or components knock off! when i plug the charger the motherboard beep 3x! Already unplug all connectors trackpad, keyboard, etc. Same history no changes. any ideas ? Can't find nothing related on posts... thanks

Hey, This one, no liquid and no signs of corrosion or components knock out! I don't have green light! PPBUS - 1.3V PP3V4S_G3H -3.5V SMC_BC_ACOK - 0V resistance 27/28 : 21 ohm resistance 17/18 : 3.4 ohm already replace U7000 2 times same history.. The motherboard already turn on 2 times...

Hey, Working on 820 3662, no signs of liquid or something like that. I was the first to open it and the board it's very clean! This machine when i turn it off normally in osx and after that if i want to turn it on, the machine don't turn on... it's necessary to remove the battery, press for...

Hey guys, working on 820 3437 board, apparently no signs of liquid or kind of stuff and no components knock off. This one sounds like a SMC problem. PPBUS - 8,23v SMC_RESET_L - 3.4V already did the SMC dancing with Flux, already replace U7100 for a new one.. No changes.. My question is...

Hey, anyone have a bios with clean me and fixed checksum of the Fsys block? i need to change a serial number off this board. but this particulars boards not only changing the serial that solves the problem. anyone can help me? thanks

Hi, This one came for me with a blown U3100. i replace for a new one and i was needed to made 2 rails pin 94,83 and pin 93. Now it work's perfectly unless when the machine enter in suspension mode. when i press 1 key to went to normal, only show black screen.. But i know that it work's but...

Hey guys, working on 820 00045, and this one can't read pen's, keyboard etc. but charge the battery! This mac don't have signals of water or knockout components... I'm the first one to open it! I don't do anything yet on this board and need a opinion before. one time i already repair a...

Hey guys, Working on imac 21.5 - 820 3588. this one came with the problem not turning one. I open it, removed the board and i noticed that cmos 3V was only with 1.5V. I replace the pile for a new one and i thought the problem was solved but after 2 days the problem remains! I already...

Hey, This one don't turn on because to the typical CPU vcore drop-out issue! PPBUS down = 0,700V and when i plug the charger in the area of U7330 get's hot! my questions, i must replace All FDMF6808N ?? CAn i replace for a new on FDMF6808N ?? or i must replace for FDMF6708 ? thanks

Hey, working on IMAC 27 - 820 3478 and this one didn't turn on! I found Q7650 shorted on REG_PHASE_P5VS4. Q7650 = FDMC0223S - I can't find datasheet of this mosfet and can't find on ebay! I don't want to take the risk to put some PNP mosfet and 1 month later it coming back again! I hate...

hey guys, this one won't charge! No liquid damage and no one touch before me! Already replace U7000 for a new one but without changes! in osx i can see the icon of battery change some time. Some times i have a X and some times i get he thunder as it was charging! And in "system report >...

Hey , This one 1st time come with a bubble on u3200, i replace that one and go to the client but after 7 days comes again! I replace again U3200 and the machine comes to life again! when I start assembling the mac i noticed that mac don't show image. Now when i plug the charger or battery...

Hey guys, working on 820 00239, no liquid or components knockout! Don't charge battery or battery damage! need your's opinion! the subtitles is in Portuguese but i think it's noticeable! https://drive.google.com/file/d/1Bhkaxoge3x5vuKHdqA3SUW83-AXAjwDF/view?usp=sharing This machine...

hello, Working on 820 4924 with no backlight! i have found C7773 shorted and F7700 broken! Already replace the driver U7700 but same history! i noticed on pin1 PPVOUT_S0_BKLT = 12.3V and i have the 5.1V on L8300 when start! an suggestion ? thanks

Hey guys, Need to know if it's possible to access the data inside the SSD! The client forgot the password off SSD and the SSD have the icloud associate on them! I try to reset the password by Terminal but the machines ask me for the icloud password! Exist Docs to suport this SSD ?? If yes...

Hey guys, this one came with no green light and with battery the machine turn one! Using my DC power suplply i noticed the U7100 a little hot. Replace the isl and green light appear! Now i have 3.7V o PPBUS! Already replace 2 times the ISL for a new one! and i need to replace R7151 and R7152. i...

Hey guys, the client on this machine try to replace the battery and fuck the machine! When i disassembly the board i noticed that U7000 it's burned! already replace U7000 twice for a new one but PPBUS remains on 12.29V. measure on c7050 and c7020 = 5.3ohm - 21ohm . Already replace the...

Hey guys, this one don't have any signals off liquid or corrosion!! I have - 0V on pin1 J8300 and 0V at L8300. already replace a LVDS cable for a new one = same history! I already did a research here in the forum but did not clarify my doubt! I have 3 macs 2013-2014 same model for repair and...