acer 551g (da0zrpmb6c0) no video on screen

bokin021

i did uma but video only on vga i mesure lvds cable all voltage are ok vdd, lvds, en backlight, edid etc ..I change new screen also lvds cable ..Please help.

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hunter_nick

R509 on R526 so did?
viewtopic.php?f=59&t=64946

bokin021

I did same..

hunter_nick

Is there a picture on vga?
Are the matrix cable and matrix working?
power supply to the matrix come?
Discrete video is not in the operating system?

bokin021

Everthing working only not working with lvds cable..All voltage are ok..

hunter_nick

19 and Is there 3.3 on the matrix?

bokin021

Yes 19 v vdd 3.3.en backlight edid 3.3v etc

bokin021

what signal I shold test more?

bokin021

now does not swich on at all only blink ones diode..I change multicontroler new bios but same doing..

bokin021

Please help i turn on motherboard on vga pictures but again no back light also vcc 0v 19v and edid 3.3v ..I check signal back light on also 0v..What more i should check?

Ciber SLasH

Check/replace L35.

bokin021

I did before..Coil is fine..

bokin021

i have check travis anx 3111 bl on 0v ,travis rst # 3.2v , digon 0v , all rest voltage is ok avddr 3.3v int lvds 3.3v..i also replace new one bu same..

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acer 551g (da0zrpmb6c0) no video on screen

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