Jbg1983
Member
Last Activity: 08-05-2024, 03:20 AM
Joined: 07-30-2024
Location: Hengoed
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My mistake tv has good backlight and sound but no picture.
I checked all the caps as Eazybone suggested and they are fine.Leave a comment:
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Hi yes has 12vLeave a comment:
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Hi yes tried Diahs suggestion no change. Is it common for the main board to produce sound but no picture?
No replacement boards available at the moment. Not much online about this tv or the boards....Leave a comment:
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Thanks, Yes quite possible, is there a way of checking the screen before I replace any of the boards?
I have disconnected the ribbon cables one at a time with no change to the display but as the above comment stated this is not the correct procedure for an LG....Leave a comment:
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I tested it and it let current through both ways on one of the diodes....Leave a comment:
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Thanks for the replies both, the double diode was at fault. Swapped it for a similar one but still the same blank screen. I’m not sure if it’s the tcon or screen at the moment. I believe it had a new main board before I got it....Leave a comment:
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75um7050pla have backlight no sound
Hi everyone picked up this 75inch lg tv has sound but no picture. So far I have disconnected each lvds cable separately from the t con with no change in picture. I have looked at the boards with a thermal camera and the hottest component is the one pictured. I can’t seem to find any information on it online....
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