Mulja tv repair portal
Equipment Repairs => LCD TV forum => Topic started by: WILLYAM1 on April 12, 2010,15:42:05
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hi everyone.
problem is audio and video are ok for a few seconds then piccture start flickrinig and then no videobut still got backlightand again video came again and on and off.....
all voltage in p.s are ok.
i check the lvds board and saw that all voltage 12v '1.5v are not stabel (up and down)by using a scop.
the lvds board is lc 370wx4-sla1 (lg philips ) p/n-6870c-0158a..
by pulling out 2 flat cabel that connected to the panel no change 12v still up and down but when lvds cabel(from main to lvds board) is out 12v is ok(12v to lvds board) when problem ison there is anoise from lvds board .
i wonder if problem is panel or lvds board???????
whene picture ok ther is no noise.
sorry long one.
willyam1