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Thank Paul and 2informaticos!! U5310 don't have stuff!! ...U8900 problem.. Replaced and the machine work's well!! thank you

Hey guys, i'm working on this board and i need your's bet to repair this board! This board comes with the u8900 resoldered problem!! ok i resoldered the component but i do a fuking mistake!! i don't double check the component after resoldered and the pin 17 + 18 I left them together ...

Ok the problem on this is the battery! i tested with a good battery do a PRAM and the board start on charger only!! thank you 2informaticos!! you can close the post

Ok, i found the problem.. missing u3550!!! you can close the topic

OK, i already try a new board/flat and i don't have wireless... i have 0v on pin 1 from j3501 like i said!! i have 1 retina 2012 in my store and without board/flat disconected i have 3.3v on pin 1 from j3501!!! that is to say this is a board problem.. anyone can help me please??

Hey guys, this mac came with q7320 shorted i replace and the board comes to life!! But i have a original charger 60W, and this board don't turn on with that! the battery of this laptop is swollen, when i connect the battery + charger when i push the button only appears a icon battery! this...

any help ?? duke?

hey guys, this is the error: https://drive.google.com/file/d/1-0hUu5-tNUXJEkGYNw4DsDMMckFuodq7/view?usp=sharing any sugestion ?? thank you

Ok Duke, What do you think of the chips they are selling on ebay for 170$ provider: SEE ?? in your's opinion are originals?

You are right Duke!!! i double check in the place where have the components are corroded and under the processor i have to fix a rail that went to capacitor!! and the machine work's!!! ty all

Ty 2informaticos!!! ;)​​​​​​​

All voltages are present! SMC refowed and machine comes to the life!! which is more indicated reballing SMC or replace to another one??

SMC_RESET_L - 3.4V SMC_BC_ACOK - Unstable 3.3V - 3.1V SMC_PM_G2_EN - 3.4V SMC_ADAPTER_EN - 3.4V U6900 - Pin1: 3.4v, pin4 and Pin5: unstable 2.8v - 2.9v continuity it's ok !!

hey, working on board 820 3115, no signal water damage!! ppbus = 12.56v PP3V42_G3H = 3.42v PPVRTC_G3H = 3.3V PP5V_S5 = 5V PP5V_SUS = 5v Green light ON, 0V green light OFF PP5V_S3 = 0V PP5V_S0 = 0.228V PP5V_S0_HDD = 0.228V Already replace 51125 and Same history! suggestions??

airport card it's ok! tested on 13 retina and work's! i don't have a flat cable to test... i have 0v pin 1 from J3501 when i tun it on! i compare with a 13 retina and should have there! i will try to test other board/flat!!

Hey, this board came with a little liquid around u3810, r1900, c1761. i already clean the areas! When i plug the charger the board don't start and u1800 warm's up like if the board turning on, and with my lips i feel a little warm's up on U7000 area! PPCPUVCCIO_S0_REG AND PPDDR_S3_REG_R...

Hey guys, First problem this macbook was a fuse f7005! i replace the fuse, then i noticed the machine only works with a fake charger and initially i replace a Q7010 but don't solve the problem. One guy in this forum say's to me the problem is a Q7180 and it was right! But in this moment the...

Hey, working on board 820 3023, Q9425 has been touched i remove and replace for a new one! no liquid damage and no corrosion points! when i plug the charger fan don't work, but the board looks like it's working. i have a working board for another repair and the only voltages missing is...

Hi, working on an Macbook pro 15 Retina ( 2012 ), the computer works perfectly, but if i put to geekbench or other benchmarking software, the multicore score is low (average for that model is arroud 10000 but it only performs like 5k, the single core is correct. The other problem is that the CPU...

Some adicional info. The macbook starts at full fan speed, but if i do an smc reset, the fans idle at normal spped, but when try to install os, it start to install but shut it self off. The asd dont give errors when i perform the smc reset, but if not reset, it gives error related to smc.