20 Most Recent Vizio VF551XVT 55 in. HDTV Questions & Answers

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Cyclic resetting can be the protection circuit kicking in due to one or more of many possibilities. Some common failures which can cause self-protection: Insufficient ventilation/ cooling (overheat); Excess dust (arcing); Shorting components (overload); Open circuits (components, tracks or dry solder-joints); Incorrect load (eg speakers blown or loose wires).....

check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Pull up older posts. Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. http://electronicshelponline.blogspot.com/

It will be difficult to get this document over net; because, they don't have their on circuit design. all of it are borrowed. Contact the authorized service centre.

Fault at its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary .

Fault in the main power supply regulator 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. Surf the site with patience. 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.

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. If blinks continue without any pause, the main board is faulty.

Did you replaced the power supply as card basis; or, repaired it by replacing any capacitors at it. If you have replaced the capacitors only, the polarity of the capacitor you've replaced might be reversed. Capacitors have both +Ve and --Ve polarities, and should match with the markings at the board; otherwise it will burst when you power it up. 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/

Hello,

To connect your computer to your television, you will have to get the VGA cable for your computer and connect it to the back of your television, then you connect it to the inlet/port that is on the computer, that is the port where you connect your monitor, then you go to your television and select the AV mode, then you will be able to view your computers work on the television.

Take care and good luck

Main board fault. Contact any service technician, or the authorized service centre for Vizio. Gopakumar Gopalan Google

Check its audio output card. If needy, repalce it as card basis.