20 Most Recent Vizio 42 in. LCD TV - Page 8 Questions & Answers

Short circuit inside the main digital board.

if using a box it may be normal but not nice, I would suspect the set is a bit slow reacting to signal change. I remember some nasty JVC sets that when going up or down a channel the screen would blank for about two seconds and come on, normal since all those had that feature(no channel surfing)>

If you have tried using different input devices, looked for loose contactsin power outlet, RC Jack, cable and connectors, the TV might need service.

Please go for a multiple selection switch box.

Auto Program the TV.

it was an inverter board and screen back light issue. you must check loose connector like dry joint .

I need the model number to assist but you might want to send a email to [email protected] and let them know your model number and what you need. They most likely have them.

Resort to factory settings and try.

Resort to factory settings and try.

Try changing the input device to something you are sure, works such as a DVD player.

Check for loose contacts in power outlet, RC cable, jack and socket.Look for jammed buttons on remote and/or on control panel of TV.

Check for loose contacts in power outlet, RC cable, jack and socket. Look for jammed buttons on remote or on control panel.

Check and replace the CCFL lamps. They might poise this type of problem to LCD TVs.

Good day!!!!That problem is usually cause of faulty capacitors on the power supply board..Just follow this instruction to fix your TV..1. Open the back cover of your TV.2. Look at the power supply board..Its normally connected to the power cord..3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..5. Some of the capacitors not bulged so its better if have a capacitance meter