Question about Vizio L32 32 in. LCD HDTV

2 Answers

No power at all

My L32 hdtv doesn't turn on when plugged to a power supply at all.  I removed the back panel portion of the t.v.  Power is present going to a "circuit board" located at the top right portion, however there are 2 plugs that connect that "circuit board" to another one located in the middle portion of t.v (this is the one that the AC plug is located).  I checked the small glass fuse, and that was O.K.  Any ideas on what could be the problem.  Maybe a burnt capacitor or something.

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  • samziasam Dec 11, 2007

    Have you folks found any solution to this problem? My vizio tv light does flash
    on and off on power light but it doesnt turn on. Could you please email me the solution.

    Thanks,

    Sam Zia

    [email protected]

  • kmen Jan 03, 2008

    same thing

  • Anonymous Jan 22, 2008

    Mine will not turn on. Not by remote or hard mount power button. It worked fine without any issues for several months. Then two hours after the last use, it would not turn on. No power light or any sign of life. I checked power at the TV end of the cable, that was fine.

  • dpsmith80 Jan 26, 2008

    Same problem as everyone else however my yellow power light blinks very slowly. Was working fine last night. This morning not so fine. Has anyone gotten an answer on this yet.



    [email protected]

  • KAMEs Jul 03, 2008

    My VIZIO L32 HDTV stopped suddenly and does not turn on. I checked the cord. I also removed power cord for 5 minutes and then connected to power as per the suggestion of VIZIO technical team. The power in my VIZIO HDTV is still not coming. My TV is less than two years old and purchased fron SAM'S CLUB. I woul appreciate your suggestion.
    Singh
    Rochester,
    NY.


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I have the same set.. power light on front stays yellow (standby). first thing im going to check are the mainboard (one in the middle) fuses.. these are very tiny and are rightbelow the right plug where the power comes in. they are labeled f3, etc. and are tiny and white. looks like one says 3 amp and one is 2 amp. if one of these are open then the main board will not recieve the proper voltages to turn on the set when the power button is pressed.

Posted on Nov 28, 2007

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I am having the same promblem I think does your light flash on and off on power light, mine does I am going to trouble shoot the board on monday at my company I work for I am a tech at a company that repairs other lcds this big and bigger but not for vizio so if i find anything I will let you know if you want?

Posted on Oct 28, 2007

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The power supply must provide 12V as well as 5V. Your power supply module may be damaged. did you measure the voltages in circuit or after disconnecting the circuits. When no load is present, the power supply outputs must show 12.5 V and 5.3V. You will need to replace the power supply module if these voltages are not present. The main board may not have been the problem in the first place.

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Hi,

That problem is 2 causes,its either power supply or system board.
This are some D.I.Y procedure for troubleshooting.

  1. Open the back cover by removing all screws at the back.
  2. Try to look at the power supply board and find the leak/bulge on top capacitors.If you found,replace it with the same type and ratings.
  3. If the power supply doesn't have any leak capacitors.Try to power it ON to perform voltage checking.
  4. Check the output voltage of power supply such as 5vdc,12vdc and 24vdc by using voltmeter.If this 3 supplies having a voltage drop or flickering voltage while on power ON.Check the following parts on the power supply,change value/open resistor,shorted transistor and diode or repeat step # 2.
  5. When the output voltage is stable and all parts looks OK.The problem could be on system board.Unfortunately the system board or main board is not for D.I.Y because the parts inside is very logic and very sensitive.That is replaceable.

Thank you and good luck.

Jun 06, 2011 | Vizio L32 32 in. LCD HDTV

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Television turned off and wont come back on


If theres no lightrs then your power supply unit is shot and you will need to get a new one. try going to a tv surplus store or a place like best buy and asking for the part first get the model number of the power supply this is the thing that all the cables in your tv are plugged into. hope this helps

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Does power indicator lit if tv plugs in?
This will confirm that power outlet is fine and tv getting power through ac cord.
Does power indicator blinks?
If it is blinking that means tv got some internal circuit problem that could be defective power supply board or bad back light inverter board.
Visual check by local tv repair shop would be good to rectify what board need to be replaced to fix the problem.

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The power went off at my house due to an overload and when the breaker was turned back on, the tv had no power, no green or orange light. I unplugged the power cord and plugged it in later and the tv...


The power supply board is dead,that the board where the power cord plug into it.Take ur tv aparts,replaced the power supply board,ur tv should work again.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

May 23, 2010 | Vizio L32 32 in. LCD HDTV

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Check power supply for domed electrolytic capacitors or the ballast circuits or the power supply by spraying the IC's with freon.

Dec 21, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

Won't turn on.


Your LCD TV has a problem in power supply circuit board maybe the fuse is busted already just open your unit and locate the fuse.

Good luck:

Regards:
VOTIT

Don't forget to rate:

Jul 07, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

I have a vizio L32 manufactured in 2005 - Won't turn on


Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
But, I can't say it's 100% the problem because I can't actually look at the tv over the internet.

If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20. And most cases the new part cost less than $15.

I hope I shed some light on the subject for you.

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i took it to the tv repair sop and my power supply printed circuit board was blown and it would have cost $609.00 for labor and parts

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