I have the same problem. When the program being watched on the set is very dark, the set thinks it has lost the signal. The picture returns when the program get's lighter. It's a glitch that won't go away and it's not dirt related. Sharp should release an update to the set's firmware.
SOURCE: Problems w/ Sharp LC-46SB54U remote programming
i will help with the easiest way, hit the TV button, then hold the setup button untill the light blinks twice, then hit 991, it will flash again, hit the 1 again, then hit power, then hit the chanel up button, and if it dont shut off, hit the chanul up button again, keep going this every 2 seconds(with the chanel up button) untill the power shuts off, when it shuts off, hit the setup button again, that will lock it in, hit the power button again-TV should come back on, if that dont work, use the volum up button , after doing the first few steps, hope this helps
SOURCE: Sharp Aquos Audio Intermittent
This is a problem with the ATSC channel's reception. Usually switching to another channel and back solves the problem.
SOURCE: error code e203
My sharp manual says E203 means "No broadcast now".
Under possible solution, it says " Check the broadcast time in the program guide".
My manual says nothing else after that.
I hope that helps. Please rate me. :)
SOURCE: sharp television will not power on
Check the internal fuses AFTER eliminating power supply, power strip, etc. But it sounds like it is in sleep mode. Try unplugging it, wait 5 minutes then power up while holding the power button in.
Good Luck!
Rockinbadboy,Detroit Mi
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