Do a hard reset to this TV, and then check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
If hard reset do not help you. do a factory reset.
SOURCE: VCR/DVD setup for color on LCD TV
check to see you have the cables required by the tv. usually you need hdmi or dvid for hd display. digital rights management protocols have resulted in chips in playing devices that allow only the use of the referenced cables to protect content from being copied. in some sets they default to not playing in hd, but still play something.
look there first, otherwise you may have an input source mismatch. follow instructions on the dvd player first, then make sure the tv has compatible settings.
if that does not solve, you have a service issue with one or both.
good luck
mark
SOURCE: when my polaroid flat screen tv is turned on humming
Check to see that you're not in SAP mode, (Separate Audio Program) in the audio portion of your menu. Could also be filtering via a bad cap or two in the audio circuit the the hum is a 60 cycle hum because of it. If you have a cap analyzer you could check those also.
Hope this helps!
Bill
William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
SOURCE: LG 720p 50" Plasma NO SIGNAL when components hooked up correctly
Ur backlight inverter board is dead.
U need a new one.
SOURCE: My LG 32 inch tv will not pik up signal from DVD
check using other player ..
to conform wether the tv line is clear...
SOURCE: LG plasma tv burn in
sorry, thats the problem with plasma's, if it hasn;t cleared up you will have to replace the entire screen.
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