Compaq CQ56 no backlight

[tomodachi]

Hi,

as to my measurement 19V backlight voltage exists on LVDS socket but still no backligt.
Schematic or any help will be appreciated.

mobo code is DA0AX2MB6E1 Rev : E

[dycc]

Re: Compaq CQ56 no backlight

lvds(low voltage differential signaling) pin123 19V
pin4 NC
pin5 backlight on 3.3v
pin 6 backlight control max 3.3v for full brightness

[tomodachi]

Re: Compaq CQ56 no backlight

lvds(low voltage differential signaling) pin123 19V
pin4 NC
pin5 backlight on 3.3v
pin 6 backlight control max 3.3v for full brightness

I got it, I 've found schematic diagram and followed the pins one by one and realized pin 5 and 6 headed to north bridge, I reflowed north and light came back, thanks.