SOURCE: LG RZ32LZ55
There could be two possible failures:
1. The backlights are defective (not a common failure for a 14 months old LCD) or the backlights driver/inverter is defective.
2. Power supply failure(very common failure on LCDs) will cause the symptoms you described.
SOURCE: samsung lcd tv no picture just sound
While this is not a permanent solution, we've fond it helps... We have a Samsung LCD that does not turn on when there is too much humidity in the room. This only happens in the summer when it gets really humid. We moved our dehumidifier next to it, let it run for around 15 minutes and the TV turned on again, no problem. Lately, it's been raining alot so it's very humid. We've gotten into the habit of leaving our dehumidifier on through the night on low and we've had not issues turning on the tv since then. This is a hastle but it's either that or buying a new tv.
SOURCE: Samsung lnr238w (23'') LCD TV has sound but no picture.
You got sound meaning the power supply and mainboard have no problem at all. Look at the back, have you seen back light lit up?
If there is light, the problem may come from T-con board.
If there is no light so the inverter board has defective.
SOURCE: How do I replace the backlight on a Samsung
this normaly find on electronics shops, but normaly better to go repair store, for full checkup.
SOURCE: Samsung LNT1953H sound but no picture only white screen
I think this is an LCD display problem.If there is sound like my tv did,it has to be the display.My tv did this and some other funky things. I took it to a shop.The shop charged $75 to look at it and said the tv was junk.They are an authorized samsung repair center,and told me the front panel was bad.I held on to it and found an lcd on ebay for $88. I am going to have it by mid to late next week and fix my tv.The part number for the screen is LTM190M2-L31.
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