Hi this board has a bad step down voltage regulator ic so I ordered the IC then change it but it keeps shorting again
Announcement
Collapse
No announcement yet.
Z5WAH LA-B162P keeps burning its PU401 IC
Collapse
X
-
Re: Z5WAH LA-B162P keeps burning its PU401 IC
No short to ground on +3VLP, +3VALW or any derived rail?OpenBoardView — https://github.com/OpenBoardView/OpenBoardView
Comment
-
Re: Z5WAH LA-B162P keeps burning its PU401 IC
Originally posted by kalilinux25 View Posti get a normal resistance in the pins but why it keeps shorting
Open jumper PJ401 and measure resistance on both sides of jumper.Last edited by mcplslg123; 06-07-2019, 04:24 AM.
Comment
-
Re: Z5WAH LA-B162P keeps burning its PU401 IC
i have a simmilar problem,the board is dead,i have 3V and 5V,and when i short 2 pins on the power button board that go to the hall sensor,laptop works and charges the battery,but the PU401c gets hot,when i remove the short it powers down...no shortcircuit on the board ....anyone found out something about this problem?
Comment
Comment