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So i spent half a day fixing this board and boom fan spin cpu heating up!!! YAY!!!!! !!! Reassemble no video... tryed a new lcd and boom perfect video... My question here is how do i tell this lovely amazing customer that she needs a new 250$ LCD and board repair...?$300 my rate.. ?

no voltage reading on pp5v_s4rs3 i dont have oscilloscope

Its water dmged.. very little water dmg by c7202

820-3435 Green goes to orange real fast even without battery Rails PPBUS_G3H = 8.6 3V42 = 3V42 3V3_S5 = 3V3 PP5V_S5 = 5V Wont turn on does this one use power pads cant find?

What is 3S155 i dont have the ASD or know how to run them..

Update i disconnected trackpad loaded it up and then re connected trackpad. Everything works fine.. What caused this and the solution i just provided I don't feel comfortable with.

Hey guys 82-3115-b, Board looks good no signs of water damage.. Everything takes for ever to load. Replaced ram. Even when i try to load from a usb it does load but takes a very long time..

@Duke Hey been a little busy... Forgot to update so 54v on Pin 1 is no load detected from LED's This was the case as the new Retina display lit up perfectly!

Ibe... First as a student and if possible highly recommend louis one on one training before he becomes to big and is not able to do it anymore!!! Then also i never threw away macbook boards and salvaged 4/5 that i brought to louis's class. So if you cant afford to do or make it to his class i'd...

​larossmann dukefawks Thanks boys! go ahead and add it to the list of solved issues! thanks for the video link as well

Duke im getting .3v on that cap does that mean replace?

its 820-2330 my mistake

Customer loves this model! with removable battery. All power rails present turned on one time when I did an smc reset then wouldn't turn on again? What the history behinds these do the video chips go bad on them is this a cpu issue? the board is like $200 on ebay so i think it might be worth...

Ya i havent seen many retina 15s come through this shop! i think i woulda kept the lcds

I Checked voltage on the connector. its 54v on pin one while turned on.

Yeah mini tool turned up alot of photos and video this guy is after! documents thou Awesome thanks for the link will try and ill write a detailed log for everyone else of what worked etc.

Monkey thanks for the info... Not sure where to pick up partition guru. The drive is an external WD Drive It had 2 partitions one is recovery for some reason the second is 950gb unallocated..... im scanning the drive now for last partition using mini tool power data recovery tool. Where can i...

Dont have this lcd im guessing next step order an lcd and try it out? Will a retina 13 lcd work i have those in stock? This is a 15 inch retina but connector looks the same.

its for a windows drive

Was not happy with the solder job done on Q7055 after cleaning it up adding fresh solder etc... The board is now charging correctly... Thanks louis. If you could tell me why that worked that would be awesome!