hy i got qled qe55q7fam the previous owner said the picture was jumping so he tried fixes and destroyed the mainboard )ripped off cpu) i ordered a new mainboard all the data from old board are same as the new one serial numb model etc only what is diferent is screen type mine is y-qm055flav2h and the new board original screen was CY-QM055FLLV2H i tested all the voltges on powerboard all cheks ok so when i plug tv kinda turns on i got only backlight its responsive to controler but no picture and the standby light is solid red any good advice its the screen type problem and can it be changed somehow, thank you
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Re: samsung qe55q7fam no picture
forgot to mention tried left and right ribbons off and on just one side conected nothing changes -
Re: samsung qe55q7fam no picture
You've got 2 problems, bad ma.bo. settings programming, and bad gate driver on panel, first try to swap 24c eeprom from old to new board, then turn on and keep exit key pressed for about 15 sec, then turn off then on and pray for the image to be visible, next step coming soon..Last edited by Davi.p; 08-29-2022, 06:09 PM.Comment
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Re: samsung qe55q7fam no picture
hy im sorry for late reply iwebeen moving and didnt have a working space for repair tv now i have tried swap bios chip and hold exit button but still no picture any other helpComment
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Re: samsung qe55q7fam no picture
i the eprom swap was a good move the panel may be in protection state, must try the masking method, post tcon photos, no flash and shadows..Comment
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Re: samsung qe55q7fam no picture
hi thank you for fast response will this be okAttached FilesComment
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Re: samsung qe55q7fam no picture
just an update i found a matching mainboard for 60e bought it and now it works im really thankfull for you helpComment
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Re: samsung qe55q7fam no picture
ok, then to sum up, jumping picture, tried wrong mainboard, no joy, got the right mainboard, tv fixed.
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Re: samsung qe55q7fam no picture
jumping picture has been resolved with new mainboard and new flat cablesComment
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