Question about Vizio M3D650SV 65-inch 1080p 3D LED TV Refurbished M3D650SV

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My TV don't have no power

TV don't have no power on,I replace new power supply ,but still have no power on or any light or sound on. M3D650SV VIZIO

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Replace the main board not the power supply!

Posted on Nov 26, 2014

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READ THE TROUBLE SHOOTING SECTION OF THE OWNERS MANUAL

Posted on Nov 26, 2014

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Start from your power outlet, check.your plug fuse, if it's fine then try your internal fuses if it has any, they are usually clear tubes. Failing that replace main power board.

Posted on Nov 26, 2014

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There is a small rectangular transformer which gets busted after few years. Find it and replace it. Very few mechanics do this kind of work. There will be copper coil wrapped ....if u don't know what to look for.

Posted on Nov 26, 2014

Testimonial: "How do I find out where is the transformer is locate.?"

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Have you tried turning the power point on?

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

ginko
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SOURCE: 42" Vizio - no picture no sound

If the TV goes in standby, then it is in protection mode.

Ensure also that the fault is not coming from a faulty receiver box sending
bad signal, check if you get same problem on DVD with no receiver box
connected.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , starting the flashing light.

If you are in situation one, then the TV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |


On LCD Pay particular attention at inverter and power board, power board can be inspected looking for bulged or leaking capacitors, then tested with a multimeter. The inverter is more difficult to test , there is need to read voltages, should be done by a tech. Also the LCD controller board can cause same problem

Posted on May 04, 2009

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SOURCE: vizio 47" lcd no picture no sound has power

this could be one of two problem. first, check if you have back light. If you do then the problem is with the M/B. Second, if you don't have back light then the inverter is bad and needs to be replace.

Posted on May 20, 2009

  • 1 Answer

SOURCE: no picture or sound, light comes on in the front and have to unplug tv to turn it off.

I had this exact problem on my Vizio 47" HDTV. I removed the speakers and all the screws on the back cover. Took the cover off and located the fuses on the largest circuit board. The are in the upper right hand corner of the board. There are 3 of them in a row labeled LF 1.5, LF 3.0 and LF 3.0. The are white in color with copper ends. I took a volt meter and measured continuity across all fuses individually and found the LF 1.5 to be blown. The guy at the electronics store sold me a barrel 1.5A fuse and told me to soldier it across the top of the blown fuse. It took an extra set of hands but the TV works perfectly.

Posted on Jun 23, 2009

kidsasuke
  • 121 Answers

SOURCE: no sound and no picture

It may well be the power supply. Filter capacitors have a nasty tendency of blowing, as well as voltage control ICs. If the filter blows, you end up with a shaky DC signal that can't be effectively used by digital components (which make up about 80% of modern TV circuits). If you're within warranty/exchange then go for the manufacturer. If not, and you're comfortable with opening these things, then you can carefully (after unplugging and allowing it to discharge) take a glance inside. If any capacitor(s) are visibly blown out, then there's your problem.

Posted on Jun 03, 2010

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SOURCE: Vizio 42 LCD turns on but no picture or sound

32 in vizio turns on but but no picture only blue screen and cant turn channels up or down

Posted on Oct 21, 2010

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