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Question about Vizio L37 Television

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I have a Visio TV, the green light turns on briefly, then orange turns on solid, tv will not turn on, no picture no sound, why?

Green light turns on briefly, then orange light comes on, tv will not turn on no picture, no sound, what could be wrong?

Posted by Cassandra Wright on


3 Answers

Bill Heronemus

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It looks like the control board is not receiving a voltage that it is expecting to tell it the TV is fully on, and is going into a fail-safe shutdown mode. I would start by looking for swollen capacitors on the boards in the set as well as for loose/bad solder connections on those boards. Aside from that you would need a service manual and some test equipment to troubleshoot it. Sorry I can't be more help, I have not had to work on this particular model before.

Posted on Jul 12, 2015


Wayne Miller

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First check the voltages on the power supply, the 5V and 12V and also when you turn it on make sure the 24V is getting to the inverter board, if all that is there check the on voltage after you turn it on and see if it goes to about 2.3V. if all the voltages check ok probably the
main board, small signal board, if voltages are bad then power supply board, as mentioned by the other suggestions check for swolen caps

Posted on Jul 13, 2015



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Just do what Bill is telling you. There is something wrong with the power supply. Even when you have not enough skills or knowledge to do the repairs yourself. But before investing a lot in repairs, check out what a new TV will cost now, because prices are still dropping.

Posted on Jul 12, 2015

5 Related Answers


SOURCE: On and off and on again

hi i had the the same promblem where the screen and sound went out and the light still lit. have someone or do it yourself, check the ceramic fuses on the y sys board which is the large board on the right looking at it from the back of the tv. i replaced mine becasue that board was not working. if not it could be the power supply. i got the board on ebay and replaced it myself saved about 400 dollars.

Posted on Dec 24, 2007


  • 280 Answers

SOURCE: No power -- TV will not turn on

This could be the power supply baord / Bad Caps/ They will be puffed up..
Or if the inverter board is bad** Inverter board lights the backlights.

Posted on Nov 04, 2008


  • 1 Answer

SOURCE: Vizi L37 - won't turn on

ok I'm just going to copy paste here being as this might work for you guys, I tried it my self but had no luck but my issue has slightly different behavior(led goes green for a second before dieing). any event here is what I found:


Check this out:

Do Not Order A New Board For This Vizio Model. You Can Fix This Problem For Pennys. Problem: Will Not Power Up Amber Led Only. Hint: No Reset To Operate Micro (Brain Dead) I'Ve Seen (3) Various Fixs Below, One Uses A Diode, Other Uses A 10k Resistor, Try Either. All 3 Will Work, Diode Works Best For Me This Same Reset Ic Goes Bad On Other Visio Lcd & Plasma Tv'S. #1) You Remove Smd U26 On The Video Processing Board And (Add) Put A 10k Resistor Across Pins 2&3. U26 Is Near The The Tact Switch. #2) Remove U26 And Solder A 10k Tru 100k Resistor Across Pin 2&3. Start With A 10 K First. #3) Remove Reset Ic Near Tac Switch Replace With 1n4148 Diode (Nte519). Vizio Tech Support: (Valid - I Tried It) 1-888-849-4623 Opt 4 Technical Support: 888-849-4623 Try Extension 1669 (David). Hugo Carrera Parts Department 877-668-8462 Ext 1814 Vizio Inc. 320a Kalmus Drive Costa Mesa, Ca 92626 E-Mail:[email protected]


Posted on Mar 04, 2009

SOURCE: TV looses picture and sound. Will not turn back on -
Above is a training manual, this should help you find and fix the problem if you wish to DIY. If you DO, decide to DIY, you MUST MUST get a Service Manual, for your exact make & model. it will be similar to the Training manual, but explicitly for your set. I do not recommend it however.In my professional opinion, you should contact Vizio and ask for an approved local service center, then, get a "Quote" for repair.
With faults such as this, it is important to leave them disconnected from the wall, as it is entirely possible, for a faulty, TV, to cause a fire, an explosion, or both. Anytime one hears any sort of "pop" similar or not, is grave cause for concern, as usually this means some sort of component failure, in a high voltage area.

Posted on Apr 29, 2010


Radames Pagan

  • 196 Answers

SOURCE: plugged in orange light turno on vizio light is white no picture

possibly is the main board.

Posted on Apr 30, 2010

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Related Questions:


Turn tv on. green light solid display, no picture or sound

The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

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Thats great that TV is working fine. How about rating solution as 4 blue diamonds?


Hi there

This could possibly be your Ballast ( lamp's powersupply ) that is faulty.

It will either need repair or replacement.
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