SOURCE: Samsung LE40R73BD DTV freezing, wont chnage channel
i've just some digging around and found that you can access a service menu and perform a reset which sorted the issue for me.
Access the service menu by pressing, in order, whilst the tv is in stand-by mode:
info
menu
mute
power
when the tv comes back on you will have a service menu; select option 12 (reset) the tv will then switch off.
this will reset your TV back to factory defaults.
turn
tv back on and you should be prompted to go through the plug and play
setup again - go through everything and then all should start working
OK (it did for me)
HTH
SOURCE: LG LCD flat screen TV - 42LG50-remote control is unresponsive
Sounds like a probable main board issue
SOURCE: frozen picture on LG LCD 37"
Try One of your working TVS and connect it to your cable outlet of the TV that is having problems. If that TV Does not work then there may be a degraded fitting or the Leg coming of the splitter to that outlet could have a Low Signal Problem
Next Take the First TV that was not working properly and put it on the cable outlet of one of the TVs that is working properly and if the TV set works on that Channel then you know it is not your TV that it must be the cable
SOURCE: Tv picture freezes then goes black 10seconds later HL-R5067W
Sounds like the digital board needs replaced.
SOURCE: hdtv picture freeze
I also have a Brand new Sony Bravia 52" LCD with Comcast Cable (motorola box).When switching between HD Channels sometimes the left side of the screen shows a smushed version of the new channel, and the right side is a frozen picture of the previous channel. I correct this by switching to a non HD channel and back. Cable or TV problem I wonder?
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