Question about Vizio L37 Television

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Vizio L37 HDTV -Thanks for your Help

Hi ee_k,

I appreciate your response. I have looked up the part # for my main unit on my TV with no luck. I have contacted for possible compatibility or refurb on the part number. I want to thank you also for alerting me to this site ( I have a technical background with plenty of experience, but have difficulty finding parts.That problem was solved.


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I found another used main board on ebay if your interested. It looks like the same unit I just purchased new.

Good luck,

Posted on Aug 02, 2008


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1 Answer

Cable port broken off vizio L37

The Main Board will need replacement. Soldering in another cable connector will usually not work in most cases unless you change the entire tuner

Aug 02, 2012 | Vizio L37hdtv10a L37 37" 720p Lcd Flat...

1 Answer

Vizio hdtv went POP then black while watching a program. Reset did not help.

sounds like a power supply failure open the unit and inspect the power supply for any damage type bad capacitor into google and look for any bad caps on ur power supply
replace them

if all else fails replace the power supply

please make sure to disconnect your tv from the mains and wait at least half an hour before doing any kind of work to it as it may still hold a charge that could harm you

May 15, 2012 | Vizio L37hdtv10a L37 37" 720p Lcd Flat...

1 Answer

My vizio L37 tv's dtv quit working about 8 months ago i went and got a new hdtv antenna and still i get a blue screen. Any know what is wrong?

Did you tried to channel scan under antena? your tuner may be bad. Replacing the main board will correct this problem.

Jun 13, 2009 | Vizio L37 Television

2 Answers

How do I registers my new tv for warrenty

look at the documentation you have with it, it will tell you how to do this.

May 04, 2009 | Vizio L37 Television

2 Answers


I found the codes online at DishTV

Apr 02, 2009 | Vizio L37 Television

1 Answer

LCD controller board location on Vizio L37

Display controller is usually under the Main board which you remove to get access to it. Display controller connects to the suis-boards which then send signal to the screen of the TV.

Mar 17, 2009 | Vizio L37 Television

1 Answer

Replace main board

Enter the web address below into your browser. This is a schematic of the set. It's not a step by step instruction, but at least you'll know where the board is located and the screws holding it in place.

Good luck

Oct 18, 2008 | Vizio L37 Television

1 Answer

Vizio L37

Sounds like a bad av connection on the main board. i would try to connect the xbox via an alternate av connection or hdmi to verify problem. contact vizio support and describe your problem. they have had trouble with this main board. some of their parts have lifetime warranties and the service call is free. changing out the main board is a pretty simple process, about an hour or less. hope this helps.

Sep 28, 2008 | Vizio L37 Television

3 Answers

Tv will not turn on.

my vixio l37 will not turn on neither with the remote nor the power unit ,need some solutions

Sep 04, 2008 | Vizio L37 Television

3 Answers

Vizio L37 37 in. HDTV LCD TV

I had a similar problem with my Vizio Model VX37L HDTV and replaced the main board myself for $160.00 which I purchased new on Ebay at The symptoms all of sudden started by the screen going blank except for a rectangular banner across the top that resembled a UPC code only garbled. No sound. I actually had to pull the power cord to turn off the TV. I was able to turn on the set normally but the TV menus did not come up. Since the TV was 19 months old and no extended warranty I checked with Vizio support and Sam's Club but no extended warranty=no luck. I did have an estimate for repair for $900 from a company Vizio recommended but a new one goes for less now. About 42 screws and a half a dozen pin connectors I replaced the main board. The set is working again better than ever. I don't know if I call my self fortunate or not since I did have a problem after only 19 months.

Jul 11, 2008 | Vizio L37 Television

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