nik1981
Member
Hi I have a liquid damaged Air with no display.
I've changed over a slightly burnt LVDS connector, change a couple of ugly looking caps and replaced U7701 and tried another screen also.
I'm still getting no backlight and I'm stuck.
I'm getting a display though
8.5v on L7701 LCDBLT_BOOST
8.5v on PPHV_S0SW_LCDBKLT
2.8v on LCDBKLT_EN_DIV_L
3.2v on EDP_BKLT_EN
3.2v on BKLT_PLT_RST_L
R7717-R7722 all 0 ohm
On U7701:
PP5V_S0 on C7710 = 5.02v
BKL_EN = 2.8v
BKL_PWM = 1.45v
R7731 = 198k
R7715 = 91.6k
Any help would be really appreciated
I've changed over a slightly burnt LVDS connector, change a couple of ugly looking caps and replaced U7701 and tried another screen also.
I'm still getting no backlight and I'm stuck.
I'm getting a display though
8.5v on L7701 LCDBLT_BOOST
8.5v on PPHV_S0SW_LCDBKLT
2.8v on LCDBKLT_EN_DIV_L
3.2v on EDP_BKLT_EN
3.2v on BKLT_PLT_RST_L
R7717-R7722 all 0 ohm
On U7701:
PP5V_S0 on C7710 = 5.02v
BKL_EN = 2.8v
BKL_PWM = 1.45v
R7731 = 198k
R7715 = 91.6k
Any help would be really appreciated