Acer s5-371 la-d591p

[ahmarzo]

Have la-d591p motherboard +lcdvdd not coming. On ux1 ic +3vs is coming but soc_envdd not present.need help how to solve this problem.

[mcplslg123]

Re: Acer s5-371 la-d591p

Remove the IC UX1 and then measure resistance on Pin1. If resistance is healthy, then jumper between pin5 to pin1.

[ahmarzo]

Re: Acer s5-371 la-d591p

Removed the ic and make the jumper but same problem. Now showing voltage 3.3v on led circiut but no display

[mcplslg123]

Re: Acer s5-371 la-d591p

INVTPWM/BKOFF#- What is the status??

[ahmarzo]

Re: Acer s5-371 la-d591p

BKOFF# is 0v

[mcplslg123]

Re: Acer s5-371 la-d591p

INVPWM is 3.3V?? If yes, try jumpering INVPWM & BKOFF#.