20 Most Recent Sharp LC-C5255U 52 in. LCD TV - Page 5 Questions & Answers

Sounds like you have picture in picture capability and you are seeing the pip preview screen as your main screen. You'll need to switch to the other screen and possibly select a different input.

Check it with fresh batteries. For some remote controls; if battery became low, this should happen. Electro help

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given. Surf the site with patience. 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. 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 above. Pull up older posts. Surf the site with patience. 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.

Electrical storms can damage components. Are you insured? When you get the TV fixed/replaced, buy some surge protectors or a UPS (uninteruptable power supply) to protect the rest of your gear.

Suggestion. Check the battery in the remote