20 Most Recent Vizio P50HDTV10A 50 in. Plasma HDTV Questions & Answers

Have you removed the back and looked for Bad Capaciotrs on the power supply board?
Capaciotrs will be vented or puffed up on Top. 1000uf 16v,2200uf 10v 3300uf 10v etc....

when turned on tv no signal comes on a few minutes later deep sleep mode and tv turns on

For the 46" TV, it sounds like the main board is bad.

For the 50" Vizio: is the LED light on?

Reset Vizio TV default: 1. Press the MENU button on the remote. The on-screen menu is displayed. 2. Use the Arrow buttons on the remote to highlight the Help icon and press OK. The Help menu is displayed. 3. Highlight Clear Memory (Factory Default) and press OK. 4. Enter your parental control passcode. If you have not yet set up a parental passcode, enter the default, 0000.The TV displays, "Are you sure you would like to Restore Defaults? This will erase any custom settings." 5. Highlight Yes and press OK. The TV displays "Memory is being cleared. The TV will reset shortly." 6. Wait for the TV to turn off. The TV will turn back on shortly afterward and the Setup App will begin.

Try replacing the Tcon board

Good day sir Thor!!!!I already encounter that kind of problem many times..It looks like all normal even the green power light is not blinks or change to red or amber color but still no sounds or picture on TV..Sometimes it will happen to plasma TV in all brands and model..It cause of faulty main board..This is the sample picture of main board of your unit..Part # (3850-0142-0150)You can order this parts here:http://premiertvparts.com/index.php?main_page=product_info&cPath=1&products_id=797http://www.ebay.com/itm/NEW-VIZIO-VP50-HDTV20A-MAIN-UNIT-3850-0142-0150-2A-/320737894046http://tvpartsfast.ecrater.com/p/12695612/vizio-3850-0142-0150-main-board-for-vp50hdtv20ahttp://modulesrus.ecrater.com/p/11497716/vizio-main-a-v-3850-0142-0150Just replace the board to fix your TV and it works again..Note: When you install the board make it sure that the static energy on your body discharge to ground to avoid corrupt of main board IC..EXAMPLE: open the cover then find the main board..before you do that make it sure you hold the metal portion of your TV to discharge static after that you can now freely replace the board and also make it sure to memorized the connector to avoid damage to make it sure take a picture on it before unplug connector for future reference in case..again discharge static please!!!..Only few tech or other people know this that's why when they install new boards its not works even it is new..I discover this base on my experience and study..Hope it helps..Please don't forget to rate!!!!Thank you using fixya..

If there is no auto dimmer on the TV, than the TV needs professional repair work.

Open it up and locate the source of the clicking. Chances are that is the defective board in your set. TV Parts Universal TV Stands DLP Chips ShopJimmy

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

You most likely have a circuit board that has failed. Read about that at the link I will provide. TV Boards Buying Guide