la-8391p schematic need ,

[highpulse]

i need this schematic to make some test , i got this toshiba , once i press the on off button , we can hear a loud high pitch sound , then it stops , and insyde windows headphones socket not working.
so if anyone have schematic i will apreciate it .

[polytek]

Re: la-8391p schematic need ,

have a nace day friend;

[highpulse]

Re: la-8391p schematic need ,

one tausand thks

[polytek]

Re: la-8391p schematic need ,

i have see this symptom, and i just remove the internal mic, so i think the problem is the internal mic or the audio codec.

[highpulse]

Re: la-8391p schematic need ,

well not a micro problem

[highpulse]

Re: la-8391p schematic need ,

well got another interesting one , here , does turn on but with a consume of 0.02 . alltough i notice q29 and q30 dont have SUSP , making it to not activate ++3vs and 5vs so if no power on does line machine will not boot up , mptoe that SUSP command come from SIO , i reflashed the SIO as well , but kee the same issue .. anyone have this before ?

[ahsi19]

Re: la-8391p schematic need ,

toshiba satellite P855-S5312

https://www.badcaps.net/forum/showthread.php?t=49730

[spidey]

Re: la-8391p schematic need ,

well got another interesting one , here , does turn on but with a consume of 0.02 . alltough i notice q29 and q30 dont have SUSP , making it to not activate ++3vs and 5vs so if no power on does line machine will not boot up , mptoe that SUSP command come from SIO , i reflashed the SIO as well , but kee the same issue .. anyone have this before ?

hi, i have the same issue. Have you managed to solve it ? i already flashed EC, when i press power, 0,04 consumption led light on thats all. Now i will flash bios(it has 2), if doesnt work, will start measuring signals. But if you managed it already, i am listening

[spidey]

Re: la-8391p schematic need ,

ok, it was rtc battery. should have check it before

[vedoza]

Re: la-8391p schematic need ,

hi, i have the same issue. Have you managed to solve it ? i already flashed EC, when i press power, 0,04 consumption led light on thats all. Now i will flash bios(it has 2), if doesnt work, will start measuring signals. But if you managed it already, i am listening

Hi Dear
how did you solve the problem:Kaya:

[inkman]

toshiba sat p850 schematic needed

I need schematic and boardview for toshiba p850 please.
motherboard- QFKAA LA-8391p. REV 1.0
this motherboard has geforce gt630 graphics.
I have searched in forum and is not available.