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Vizio vu42l fhdttv10a wont turn on nothing

Wont turn on vizio sign doesnt light theres nothing

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  • Vizio Master
  • 14,553 Answers

I see so many here with no sound/no picture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signs of damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down the problem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the generic ones like Radio Shack). Many fuses are special even aside from amperage--Don't put a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses a standby power supply that runs 7/24 and a main supply (some are combined and some not.

Here aside from checking fuses you want to examine all the filter caps on the power/standby to see if any are puffed up or buldged up in some fashion--I attach a photo of a good one---top should be silver metal and PERFECTLY flat and have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating (saves money) which causes them to fail in a year or two---the standby runs 7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buy and try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over. If set is opened at least look for puffed up and bad caps like in this photo. vizio vu42l fhdttv10a wont turn on nothing - 11_7_2012_5_02_39_pm.jpg11_7_2012_5_03_01_pm.jpg

Posted on Nov 07, 2012

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Your Bro Brando

Posted on Dec 21, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

SOURCE: "No signal" on our new Vizio screen

Try manually using the source button on the TV.  Touch the button once and a screen will com up on the TV.  Touch the source button again it will scroll down the pop-up on the screen.  Wait a few seconds each time you scroll down the pop-up.  You should get a signal when it gets to the right setting. 

Posted on Oct 29, 2007

  • 6 Answers

SOURCE: Lost screws for stand on Vizio VU42L

If you pay for shipping I will send you my screws. Maybe a buck or two will cover it in an envelope. I just removed them last night as the TV is being junked for the parts. Email me.

MBSimonds AT aol DOT com

Posted on Mar 31, 2009

  • 187 Answers

SOURCE: I want to know how much a Vizio VU42L FHDTV10A screen costs.

The price range is 500-800 depending where you will get it, try Ebay and look for a non-working one with a good panel (screen), it does not matter why is not working as long as the panel is in good condition.

Posted on May 27, 2009

  • 5 Answers

SOURCE: Vizio TV wont turn on after three weeks no use

My vizio recently did the same exact thing. Vizio sent an HDTV tech out to fix it and it was the power board. He put a new board in (took 15 min) and the tv works like new.

Posted on Jan 25, 2010

roety
  • 585 Answers

SOURCE: My vizio tv wont turn on. Any secret buttons that

Hi my name is Roety,
I can help you with your issue ,
 Check the AC plug, to reset the TV unplug and connect it. If the power light lights up check the input select button the TV needs to be own the correct input to view TV again.
 
 
If I have helped you with your issue
If you have more questions you can still respond
I will reply asap
Thanks

Posted on Jan 26, 2010

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1 Answer

Tv wont turn on fuse is good


does the vizio logo light up orange ? If so and it doesnt turn white then the main board would be suspect. If the logo doesnt turn orange when its pluuged in then its the power board. You can get either board from www.tvrepairworld.com

Aug 12, 2012 | Vizio VO47L 47 in. LCD TV

Tip

Vizio VU42L Manual Download


Vizio VU42L LCD TV Manual Download

Model: VU42L

840592c.jpg

Have you lost your Owner's Manual for your Vizio VU42L LCD TV?

Would you like a digital copy of the Vizio VU42L LCD TV Users Guide for easy searching of terms and quick reference?

The Vizio VU42L LCD TV manual is available free in pdf format, just follow the link below (& Click FREE):

Download Vizio VU42L LCD TV Manual


I hope that helps.
________________________________________________

on Jun 06, 2010 | Televison & Video

Tip

Vizio VU42L Manual Download



Vizio VU42L LCD TV Manual Download

Model: VU42L

840592c.jpg

Have you lost your Owner's Manual for your Vizio VU42L LCD TV?

Would you like a digital copy of the Vizio VU42L LCD TV Users Guide for easy searching of terms and quick reference?

The Vizio VU42L LCD TV manual is available free in pdf format, just follow the link below (& Click FREE):

Download Vizio VU42L LCD TV Manual


I hope that helps.
________________________________________________

on Jun 06, 2010 | Vizio VU42L 42 in. LCD TV

1 Answer

My Vizio VO37L dropped from a small height and now wont turn on


I would take a very close look with a flashlight first at the screen unit for any signs of cracks etc. The display panel is very fragile and if damaged this is fatal cost wise.

Since you may have nothing to lose I would open set up and have a good look inside for any signs of physical damage.

If you need to know the safe way to open let me know and I will explain.

May 21, 2012 | Vizio VO37LHDTV10A 37 in. LCD TV

1 Answer

3 y/o Visio VU42L with no pix or sound


well,mike seems youve done everything to your TV and nothing happen..Try to reset the system of your TV.On the main board there is a small button just press it to reset your system and see if your TV will work again tnx.

i hope i help you..
please rate my help...

Jun 06, 2010 | Vizio VU42L 42 in. LCD TV

Tip

Vizio VU42L Manual Download


Vizio VU42L LCD TV Manual Download

Model: VU42L

f95dd29.jpg

Have you lost your Owner's Manual for your Vizio VU42L LCD TV?

Would you like a digital copy of the Vizio VU42L LCD TV Users Guide for easy searching of terms and quick reference?

The Vizio VU42L LCD TV manual is available free in pdf format, just follow the link below (& Click FREE):

Download Vizio VU42L LCD TV Manual


I hope that helps.
________________________________________________

on Jun 06, 2010 | Vizio 42 in. LCD TV

2 Answers

Vizio TV wont turn on after three weeks no use


My vizio recently did the same exact thing. Vizio sent an HDTV tech out to fix it and it was the power board. He put a new board in (took 15 min) and the tv works like new.

Jan 05, 2010 | Vizio L32 32 in. LCD HDTV

1 Answer

No Screen or sound


there are two possibilities to this problem. First and cheapest way is to replace the main board. Second, replace the inverter board. This is the boards that are mounted vertically on both sides of the TV.

Jun 18, 2009 | Vizio VU42L 42 in. LCD TV

1 Answer

VIZIO VU42L FHDTV10A screen goes green sometimes


I need a screen for my vu42l if anyone near Connecticut has one. If not, I have parts from a vu42l.

email mbsimonds AT aol DOT com

Aug 11, 2008 | Televison & Video

1 Answer

"No signal" on our new Vizio screen


Try manually using the source button on the TV.  Touch the button once and a screen will com up on the TV.  Touch the source button again it will scroll down the pop-up on the screen.  Wait a few seconds each time you scroll down the pop-up.  You should get a signal when it gets to the right setting. 

Oct 28, 2007 | Vizio P2 42 in. HD-Ready Plasma Television

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