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hi guys I have a MacBook air board , with water damage after ultrasonic , I did the rail tests and PPBUS_G3H was with short to ground I inyect voltage on the line and nothing got hot , then I remove R5450 and the short on PPBUS_G3H gone , but , still PPBUS_S5_HS_COMPUTING_ISNS was with short I...
hi I have a board with PP3V3_S5 going back a forward between diferent voltages , like 1,7 , 2.6 , 3.3 , .70 etc very fast , I change u7200 , L7220 , Q7220 , C7220 , so far and problem remain also I check pin 5 of q7221 and the voltage is same as PP3V3_S5 going back and forward.
I have green...
I just fix today a core 2 duo board that I don't remember the model was like a 2009 , but I got cash out of it , I replace like 21 components , 2 mosfets , randoms resistors and caps around u7000 and 3.4v inductor and resistors between others, I also a trace a wire because corroded paths , I...
hello , im working on this 820-3435 board 11.6 inch laptop , and I was trying to remove this short , but , I already remove all the nets on that line even the conector for the dc inboard , and still I cant get rid of this short. thank you for your help.
hello masters I have a 820-2936 that needs a u5400 , I have 2 donorboards but booth don't have it any more , my question is :can I use U5410 instead? because that one is present on my donors. what do you think?
A1465 11.6 MacBook air
PPBUS_G3H : 8.4V
PPBUS_S5_HS_COMPUTING_ISNS: 8.4V
PPBUS_S5_HS_OTHER_ISNS :8.4V
PP3V42_G3H: 3.4V
PPVRTC_G3H:3.1V
PP5V_S5 : 5V
PP3V3_S5: 3.3v
PP5V_S0: when I diode test it shows .003 and .005 and beep to ground booth sides
U7320 was getting really really hot burning...
hello guys as soon as i plug the charger i see vapor and Is like want to become on fire I unplug really quick the charger , well I have on my hands a board with damage on one cap going inside the board that is giving ground to PPBUS_G3H , any way to solution something like that?
Hello masters I got a board with a short to ground on 3.4v I inject 3.4v and find out u7000 was getting hot , I replace it and short gone , I got back green light and after a few fixes PPBUS_G3H works also , after several diferent replacement of parts I got the machine to power on fan spins I...
hi friends , the fan want it to spin just a little almost nothing I check for bad probe points and I find some bad looking around U7600 , I find out path was gone between C7604 and U7600 , U7600 i think create =PPCPUVCCIO_S0_REG so i guess fan will not spin without that rail , i rebuild the path...
hi friends I just want to thank you because today I solve all by myself a board with a issue on the one wire circuit , one of the paths on u6901 was corroded I just run a jumper wire to L6995 and that was it , machine works with no backlight , fuse was bad I replace it and done. :)
Louis , even if you take good care of yourself , as you age , there is so many stuff that can go bad , if for any chance you get unlucky you will end up needing more than 30 000 dollars on hospitals , I find this solution : as you age and need more and more doctors I see it all the time on old...
master , I see you lose suscribers because of that , or belive it was not that good , well , I don't think is that , after months and hours and hours and days and days of practice I barely start fixing boards recently , for me was hard and still there is so much to learn , im not ready to learn...
hi friends do anyone has the list of models or years that have recalls ? is currently models that are being fixed for free for apple ? , what a person needs to qualify for a recall?
Hello friends , i saw on one of Louis videos about ultrasonic cleaner that he mention that pretty much 50% of the boards he put into the cleaner come out just working i notice that yes there is a good amount of boards that my only cleaning and checking out that there is no more white or green...
hello guys out of curiosity I was wondering how many members own a shop in California and offer board repair services to walk in customers ? I been visiting other shops near me and I still don't find no one reparing boards , well I find people doing ultrasonic cleaning and reflowing , but no...
how in tha fuck you tax a capacitor ? or a U7000? we need to put on the invoice the parts that we change? , parts go for cents , if I put on a invoice 50 cents parts and all else labor , I feel like customer will want to stab me :S or shoot me , my ittle store is on EAST los angeles , cholo land.
hello I have a 820-3115 board that run really slow I run ASD and shows the next bad sensors:
TA0P
TC0P
TM0P
Th1H
All are SMC IO those 4 fail
I replace : U5511 , Q5515 , Q5520 , Q5510 and I check for related resistor and caps they look good and match schematic , =PP3V3_S0_CPUTHMSNS is...
This board like 3 years ago I send it to repair to a ebay guy , he send it back working and die again , I send it back , he send it back working and die again , I send it back , he send it back working and die again , my warranty on this board expires , and I have to buy anotherboard for my...