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820-00928-a with short on PPVOUT_S0_LCDBKLT, i was find and take out the shorted cap, now there is no short but at diode mode with good board the caps should be 1168 and its show 350-450, what can cause the problem?
thanks!
i was remove r8431 it give 1ohm..
i will try to take each filter out and check..the wired is..after i was disable the short it give me 1140 like the good board, and after i was put "new"filter from other board its show the 550-450
No...i was reset SMC and format and reinstall new OS...I didnt reball it yet, im afraid that its not the reason, becouse the customer said that it was fine before the backlight gone...