Alan.L
Member
board was liquid damaged. L9008 was burnt, R9731's pin1 was burnt too, few led returns resistors.
after repeal and replace, the backlight has come back on with image. but every time i restart the computer, the backlight goes out.
D9701 pin 1 has 12.46v , pin 2 has 27.54v when backlight is working.
D9701 pin 1 has 12.52v , pin 2 has 12.5v when backlight stop working.
PRAM reset. same problem.
ive replaced led driver twice. i also replaced, lvds connector even tho is good.
i've tried few lcd panels and new cable already.
bad boost circuit?
Sync problem?
bad smc or mcp?
reflash the bios didn't solve the problem
if i wake from sleep, the backlight will turn back on.
after repeal and replace, the backlight has come back on with image. but every time i restart the computer, the backlight goes out.
D9701 pin 1 has 12.46v , pin 2 has 27.54v when backlight is working.
D9701 pin 1 has 12.52v , pin 2 has 12.5v when backlight stop working.
PRAM reset. same problem.
ive replaced led driver twice. i also replaced, lvds connector even tho is good.
i've tried few lcd panels and new cable already.
bad boost circuit?
Sync problem?
bad smc or mcp?
reflash the bios didn't solve the problem
if i wake from sleep, the backlight will turn back on.
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