Fujitsu U748 (Touch) series serial fault

[rediii]

Hi guys, just a quick note, maybe it helps. I have had 10 of those devices with the same fault.

Symptoms: Device freezes, shuts down or gives BSOD "WHEA UNEXPECTED ERROR"

Solution for all 10 (in my case): Replace the three CPU MOSFETs

https://cdn.badcaps-static.com/pdfs/...8509f4fedb.pdf

Happy repairing!

[Lister7]

Re: Fujitsu U748 (Touch) series serial fault

thanks^^

[Simpletek]

❤ thanks

[Missdata]

Hi from Italy. I have a lot of u748 touch with creash problem, freeze, shut down with charger linked. in total 47 pieces.
anyone can repair them ? how much cost the repair ? can you help me ?

Scilla

[SMDFlea]

Hi from Italy. I have a lot of u748 touch with creash problem, freeze, shut down with charger linked. in total 47 pieces.
anyone can repair them ? how much cost the repair ? can you help me ?
Scilla

Don`t you have any local PC repair shops in your area

[Missdata]

Unfortunaly not....

[Missdata]

cpu mosfet are this 3 pieces with write R15C 5J 803 ?

[rogfanther]

No . He means those marked as NCP 8132

[rediii]

update: a reflow is enough (did it on 70+ devices. all worked afterwards without problems)

[chbalnuweit]

update: a reflow is enough (did it on 70+ devices. all worked afterwards without problems)

You just saved my day! :-) I could safe my u758 by reflowing those three CPU mosfets!

[rediii]

You just saved my day! :-) I could safe my u758 by reflowing those three CPU mosfets!

great.

[Kaluluka]

THANK YOU!

[mshone]

Did somebody have some of directions about temperature, time etc? I will try for short time

[mshone]

well, update for this case. Have 13 to service. One is finished sucesfully with 380 degree C, flow 80% and about one minute each. So far, so good.