Question about Vizio L37 Television

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Vizi L37 - won't turn on

My tv won't turn on. The orange light is on - will not turn green and go on. Have tried disconnecting from power, using remote, manually hitting on button.

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  • Michael Asman
    Michael Asman Nov 14, 2007

    After having it for about 4 or 5 months, my L37 would put itself into standby mode. Would be fine if I just turned it back on. More recently (about 14 months after purchase) I had to unplug my TV for several minutes when it went into standby. Since this weekend unplugging my L37 no longer allows it to turn back on. I plan on having it looked at in the near future but looking at parts prices such as $470 for main board I am not expecting to hear good news. Hoping for the $90 power board....

  • CurtisD213 Dec 12, 2007

    I've had me L37 about 18 months. A few weeks ago it started going off while being used. At first it would turn back on by using the remote or the button on the set. Now it won't come on at all.

  • bdturner51 Jan 31, 2008

    to mikejones:



    the main board that you switched out, is that the main power supply that everything connects to?



    mine is doing the same thing,but i have a spare tv for parts.



    thanks


  • mnbelk Mar 02, 2008

    I have the same problem with the TV it will not come on. I saw that someone was able to fix it by switching out or repairing a part. Can you help us and tell us what we need to get or how we can fix it. I am really not in the position to be able to purchase another T.V.



    Thanks,



    mnbelk

  • pcrane1 Mar 16, 2008

    Have vizio L37 tv.The green light will come on indicating it has power.It will however not do anything.The screen is totally black.Anyone know what board I will need to fix it.Thanks

  • ViziosCrap May 19, 2008

    I am having the identical problem, and frankly have gotten completely fed up with Vizio's customer service and tech lines.

    They are aware of the problem. If you have had your TV 366 days, they don't give a damn.

    These TV's should have been recalled. Plain and simple.

    Is there anyone intrested in joining me on what may develop into a Class Action lawsuit?

    There are hundreds of people having the same issue. Vizio knows about it. They have chosen to wait it out and tell anyone who's 1 year warranty is over to get screwed. There is absolutely no excuse for not recalling these sets with an identifiable problem like this.

  • cbill2 Jun 22, 2008

    I'm another Vizio owner with the same "will not turn on" problem as probably about half of all Vizio owners. I really believe they should be recalled or at least make the manufacturer gives us all a free main board to fix them. I'm contacting "Consumer Affairs" & the "Better Business Bureau" and anyone else who will listen. My TV was only 13 months old when this problem started & I paid a grand for it,!!! I'v been using an old fashioned heavy duty Panasonic for the last few months & it works great. Sure glad I didn't get rid of it when I purchased the Vizio. Live and Learn!!

  • Andrew Hotchkiss Jul 10, 2008

    I got the same issue, it turns itself off and it the biggest pain ever. It doesn't always turn back on also. The power on/off light will go green and then go right back to orange with the screen remaining black.

    I also have a humming sound from the back, tho I'd imagine that's a separate issue.


  • taclark22 Jul 17, 2008

    my vizio L37 hdtv had the main board replaced under warranty after 10 months. now the yellow off button blinks on and off and the tv will, at best, turn on for just a few seconds. the tech people claim that the main board needs to be replaced again and the part costs 250 bucks. i bought this set at Costco and i'm going to start pressuring costco to stop carrying this product, and let everyone else know that vizio is unreliable junk. after talking to vizio about it, and leaving messages threatening consumer revolt, their best offer was to sell another set for only $700. vizio blamed me for not getting an extended warranty and pointed out that no other company offers a warranty for over 12 months. if you can get this far on a computer, you can also research the reliability factor for new flat screens; don't give vizio another penny.

  • Anonymous Sep 30, 2008

    37inch VISIO tv won't turn on at allnow just like everyone else itdid take twoyears to occur

  • JustMeAZ Oct 13, 2008

    Same issue but with a Vizio 32" Plasma bought on 10/1/08. Worked great until just about an hour ago. The standby light is on but now the TV won't power on. I unplugged the TV so I could plug it into a surge protector. Nothing out of the ordinary occurred, no sounds or "pop" (though the tv started to buzz lately). If I unplug the TV and plug it back in the standby light turns bright but then starts to dim. Guess I'll get a new one and try this again but not sure I should.

  • Maestas Jan 19, 2009

    Same issue here, and it makes me sick to see how common this issue is. I'm in on any class action anyone can get going.

    I'm bummed, but not suprised the manufacturer is stonewalling.



    I"LL NEVER BUY A VIZIO AGAIN!



    Contact me if you want to join up against these thieves.

  • tsuave03 May 19, 2009

    I have the same problem with my vizio 42inch LCD. The power will come on, and then turn itself off after 5 seconds. Vizio told me it was the mainboard, so I swithched it out. Now it's doing the same exact thing, WHAT SHOULD I DO???

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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:

source

All,
Check this out:

kNOBLE
VIZIO
L32
LCD
DEAD WITH AN AMBER LIGHT
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:Hugo.Carrera@Vinc.Com

Vizi L37 - won't turn on - 60b6a37.jpg

Posted on Mar 04, 2009

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Hold on buten four 20 second that wile reset the tv and if it todosen work plug you tv in to a different ou felt and four testing the plug that you had plugs your tv plug a lite to test if it works

Posted on Dec 15, 2014

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How much does a main board cost? Where do you purchase it?

Posted on Apr 11, 2013

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Same problem.. mine was doing this for the last few weeks, went to turn it on today and nothing.. not even a orange light.. completely dead,, i will never buy another Vizio, only had this TV for about 2 yeras. ridiculous..

Posted on Jul 01, 2010

I have the same problem
replace power sup but did not work
i replace the main board and bingo that was the problem

REPLACE MAIN BOARD WILL TAKE CARE OF THIS ORANGE LIGTH SINDROME

lucky that i got a broken screen one for parts to trayet out

Posted on Mar 04, 2008

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I switched the Power supply board and problem is still there. i am going to change out main board next and post results.

Posted on Feb 23, 2008

  • sil2222 May 10, 2008

    i just fixed this problem its not power supply.replace main board and tv will work perfectly.

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I bought a "broken" L37 on e-bay for $175 figuring as an Electronic Engineer I might be able to fix it. Check the power supply, if the front panel LED is orange and the V1 voltage at the power supply board is about 5.2 VDC and the V2 is about 1VDC you can check the V3 voltage (display backlight?) by removing the " remote" black wire from the conector (very gently lift the white connector tab) and jumpering the connector onthe power supply to 5V to enable the V3 supply, if V3 is 50 VDC then its probably the logic board. I will post again if I can figure out the logic board problem (Crystals or capacitors are high probability failures) otherwise its $200 for a new one! :-(

Posted on Jan 22, 2008

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Hey just fixed it myself its the mainboard with all the connectors, just switch that and your fine.

Posted on Dec 11, 2007

  • mikejones396 Feb 23, 2008

    Told you guys that it is the mainboard not the power supply. please switch the mainboard and it will be ok trust me. oh and it doesnt have to be the same part number because i had a L37hdtv only not the newer L37hdtv-a model, newer one has qwam or something thats called that in there, so it could recieved better quality over the air. So i switched it with the newer mainboards.

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Mine was doing the same.. just installed new power board and no working tv still.. must be something else..

Posted on Dec 11, 2007

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