No picture but sound
My tv has no picture but sound is fine.
After sometime picture comes but with white lines on it and after some minutes it goes black.
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let us know what exact model your TV is and if it possible at all, post some images of what those lights etc. look like when your TV does come on. Yes, it could be a bad LCD screen but it is also possible that his is a power board/main board issue. Ajout d'images à une question existante
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This could be a bad lcd. It can be a bad capacitor. If you feel comfortable,take the cover panel off the tv,and inspect the part of the circuit board next to where the screen cables connect. Check if any components look black or damaged.
I’ll research it a bit for you as well.
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If any of the connecting wires are loose or not plugged in, you could be receiving sound but no images through the TV. You'll also want to consider replacing any broken wires. Over time, wires like HDMI cables can wear out – leading to issues with the picture on your TV.
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Anytime black only sound
par narenraj1990
My tv sound is good but picture not show on tv display
par Kaushik