le40d550 no power , no led light

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Joined: Tue Jul 02, 2019 9:12 pm

le40d550 no power , no led light

Post by freeman3020 »

Hi all,

I have TV le40D550 with good power-supply but not standby led light , after inspection i identify the problem in weltrend wt61p805 ,that not work probably ,i check pin there is 3.3 and 1.8 volt on it, i have working 40D5500 board so , i replace weltrend ic ,but both of them not worked , what's the problem here , is each TV model have different Firmware on wt61p805 although both board have same interface for IR and button ???

or there other problem ??


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