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Model D55u-D1 TV. Powers on but no picture or sound. 2 LED's on main board, red and blue, turn bright red for a second then go back to red and blue. Already tried power board.

Posted by Ace Bragg on

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5 Related Answers

MICHAEL MULLINS

  • 927 Answers

SOURCE: DP23 LED not lit on deflection board no picture on tv

Good Day, Gil;
Your problem is in deflection circuit (115+v) check these: FP05, DP15, Q777, QH01, TH01, T701, etc. BUT suspect C707 1k pfd, 2kv, and check all the pico fuses (brown) 2" to the right of cap. Good Luck, big IRISH.

Posted on Sep 01, 2008

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Anonymous

  • 44 Answers

SOURCE: No Picture & No sound. Red LED, Green LED, Red LED.

If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.

Posted on Feb 28, 2009

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Shahid Electronics

  • 10594 Answers

SOURCE: TV powers off after 10 seconds of powering on....

Thats great, Please rate solution.

Posted on May 19, 2009

budmrtn

Bud Martin

  • 11361 Answers

SOURCE: try to turn on the tv The power indicater light

Power supply will be the first thing to check.
If you are going to DIY and have proper tools 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

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Posted on Jun 29, 2010

gopakumarg43

The Knight

  • 76544 Answers

SOURCE: Dynex DX-PDP42-09 Won't power up.

Hello
The main board is faulty. This is the common problem to most of the dynex TVs. As you know there is no repair to this board. Replace it as card basis is the only remedy to this fault.

gopakumarg43_84.jpg Replace this board, rather than making surgery to it and wasting your precious time and money. The cost of the board come around $95. OK.

Posted on Sep 24, 2011

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1 Answer

Vizio d55u-d1 power light comes on then fades off. No sound or picture. Replaced power supply board, nothing still.


Chances are you have a main board issue, you should have run some voltage tests before replacing the power board, its sad how many people order boards that aren't bad because they don't do the necessary testing prior to ordering boards.

Apr 27, 2018 | Vizio Televison & Video

1 Answer

I have a Vizio D50u-D1 and the picture flickers and seems to push the picture on top of the current picture. I have a video of the screen if that helps


Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
https://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size./

Apr 20, 2018 | Vizio Televison & Video

1 Answer

Horizontal lines on led/tv with rolling vertically.


This sounds like a panel issue unfortunately, if its under warranty or you purchased an extended warranty great, if not your kind of SOL

Nov 26, 2017 | Vizio Televison & Video

1 Answer

Just got a Vizio D55u-d1 LED tv, every couple minutes or so I get these white flickers as seen in the photo. They last a second and go away. It happens all over the screen. I've tried the following 1....


Flickering can be adjusted. Contact any experienced service technician. If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Nov 10, 2017 | Vizio Televison & Video

1 Answer

Power Shutting Off on Vizio D50U-D1


Start with the power supply board first. That usually fixes the problem. No need tor the T-con board.

Aug 08, 2017 | Vizio Televison & Video

3 Answers

VIZIO 50" PLASMA


Wow. This is more comon than I thought. My 50" Vizio plasma just went out as will after a loud pop noise. Power button is still lit. Sound continue to come through but no picture. I will dig into it and see if I can find a appropriate solution.

Feb 14, 2007 | Vizio P2 42 in. HD-Ready Plasma Television

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