Question about Vizio VX42L 42 in. LCD TV

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The vizio logo comes on and the screen comes on for a second with the component 1 in the right corner and then the screen goes black. Help!

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If it does the same on all video modes, then you may the problem with either the 24vdc power supply or the backlight inverter board problem.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

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http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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1 Answer

Vizio M650VSE powers up, pilot light comes on, logo comes on screen, 10 seconds later, logo goes off of screen, pilot light goes off then flashes 1 time. Which board has the problem?


Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/

If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.

Nov 30, 2016 | Vizio 65" M650VSE Full HD LED-LCD TV,...

1 Answer

How do I fix a vizio e320vp tv that turns on and then back off after about 20 seconds


Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Nov 18, 2015 | Vizio E320VP 32" LCD TV

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Vizio e322-ar turns on, displays VIA logo, then turns itself back off.


Usually when a TV fails to turn on properly a lamp will flash a number of times which with the correct info guides you in the direction of the fault.

Jan 15, 2014 | Vizio E322ar

1 Answer

I have a vizio E321VL its an LCD and recently the screen went black. When I turn it on the vizio logo comes up and backlights come on but then screen goes black. Ive tried changing input or changing...


Vizio had problems with the processor boards.
If you had no lights, I would say power supply, Logo with lights, I would go with Processor board, check ebay. It is called a main board and they run about $60. That is what I would get, but then again, how old is it? If I could replace it with a new for $250 why take a chance for $60. I have pitched them before.http://www.ebay.com/sch/i.html?_odkw=E321VL+main+board&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR2.TRC1.A0.XE321VL+main+board+refurbished&_nkw=E321VL+main+board+refurbished&_sacat=0
You tube also have videos if you are a electronics repair person.

Oct 31, 2013 | Televison & Video

1 Answer

VT420M no sound or picture and turns off by itself


this sounds like a main board failure but a defective power supply can mimic some symptoms of a bad main board. I would recommend you get a diagnosis done on the set. If I was a betting man, I'd guess the main board

May 27, 2013 | Vizio Televison & Video

1 Answer

Acer is going straight to a black screen after the acer logo in startup....it just shows a tiny blinking line. It goes no farther. I need help fast


Apparently your Acer cannot find the operating system. As soon as the Acer logo comes up, there should appear in one of the bottom corners "F" & a number should appear. Immediately start pressing that F number (top row of keyboard). This should take you to a boot screen. Scroll down to boot sequence. Hit enter. Make sure boot-up sequence is CD or floppy drive first, second should be HDD, then escape. Restart computer. Should then boot off CD drive. I am assuming you have an operating system (XP, windows, etc.). Let me know if this doesn't work.

Apr 07, 2013 | Acer Aspire 5734Z4386 Notebook

1 Answer

My vizio VO47 L has a black screen and sound. I do get a light on the vizio logo on the front. I see no illumination coming out of the back of the unit. what is wrong?


Power Supply popped a cap and fried the metal resistor bank. Replace the cap C241 and solderer the resistor bank. Worked for two months then pop out again. This time the resistor bank burnt through. Bought a new power supply DPS-38cp-1a from ShopJimmi.com $56.00 Replace supply which lasted 1 year 1 day and the same thing happen. Same components. Got this TV free but its costing me time and money now.

Oct 24, 2012 | Vizio VO47L 47 in. LCD TV

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