Question about Sanyo Televison & Video

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Half of my screen is very dull and faded

When problem started after a few minutes after warming up the tv would have a perfect picture. but now only half of the picture is visible

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  • Sanyo Master
  • 8,617 Answers

The Tcon is the most likliest item that will cause that.

Posted on Nov 08, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

  • 286 Answers

SOURCE: Picture full of lines and flicker

Zdenko did an excellent job. Voltage regulators and the capacitors on the main boards and in the power supplies are always suspect. Some times you can narrow down the culprit buy purchasing a can of freeze spray. Let the TV warm up and try freezing suspect components to see if this causes a reaction. Thermal problems can often be found in this way.
Of course, if you're not able or willing to replace components on the circuit boards, you can always replace the main board or power supply board after determining which is causing the problem. These parts should be available at your local Viewsonic service provider at a reasonable price.

Posted on Feb 14, 2008

jomabug76
  • 1148 Answers

SOURCE: fuzzy picture on my 42" akai lcd tv

Check the menu ,,it should have a option ,,called convergenge ,,that realigns the colors,, and some tvs have geomagnetic correction,, good luck

Posted on Oct 05, 2008

DRACO A5OG
  • 22 Answers

SOURCE: Intermittent picture, blue line

I have a Vizio P42HD but once it is taken apart, it is all LG components.

It is your Power Control Board 6871qch038a. The solders are so small it isn't worth trying to re-solder.

Spoke with PartStore.com, rep stated 6871QCH038C (038C) is the superceded replacement for the defective prone OEM 6871QCH038A (038A). They and others offer the 6781QCH060Q (060Q) for $50 - $100 more. I opted for the 038C, but I was concerned about the title of the part which states "HAND INSERT"... PartStore.com rep stated it is in fact a board and there is no soldering needed, just "plug and play". DONE, paid only $120.95 + next day shipping for $29.95.

Since I took the TV apart before, it was a breeze and took about 2 hours, start to finish.

Important note, remember to remove the two 1" square spunge type heat sinks/pads the new board needs those for a proper installation and protection of the certain component.

Also you need two small zip ties to replace the ones you are going to clip off.

Added Bonus, the new board fixed other issues:

1. At times I would get a squeegly red line go across the screen. I thought it was the source (cable) but it is gone now.

2. Screen Shift, when I use the XBox for Games or DVD/HDVD the screen would shift. Very annoying, prior to swap out, recently the screen started to shift watching cable. Now it is no-longer an issue.

I am really pleased with my DIY repair and wanted to share.

The damn Vizio Out of Warranty Service wanted $360 for a service call which included the part for $125 plus they take my bad board for exchange.

6871QCH038C $120.95 http://www.partstore.com/Part/LG+Electronics+Incorporated/LG+Electronics%2fZenit h/6871QCH038C/New.aspx
Over Night Shipping #29.95
DIY FREE biggrin.gif

Posted on Dec 31, 2008

  • 3 Answers

SOURCE: Plasma "warm up" is now up to 30 minutes and climbing

put a towel across the top of the tv so it can heat up faster and you will get your picture. be carefull!!

Posted on Feb 20, 2009

  • 1 Answer

SOURCE: Flickering/jumping picture

I HAVE THE SAME PROBLEM. TV WAS FINE UNTIL A FEW MONTHS AGO. OF COURSE ITS OUT OF WARRANTY. FROM WHAT I HAVE READ, AND BEEN TOLD, IT IS THE POWER SUPPLY TO THE UNIT. IT IS DEFECTIVE, OR IT OVERHEATS AND TRIES TO SHUT DOWN. A LAW SUIT IS IN PROGRESS AGAINST WESTINGHOUSE TO RESOLVE THIS MATTER. KINDA REMINDS ME OF THE XBOX 360'S WHEN THEY CAME OUT. ALL YOU CAN DO IS TAKE IT IN FOR SERVICE. OR, YOU CAN KEEP TURNING IT ON AND OFF, LIKE I DO. I HAVE HAD THIS TV ON ALL NIGHT BEFORE WITH NO PROBLEMS. AS SOON AS I START CHANGING STATIONS, OUT IT GOES. GOOD LUCK. WESTINGHOUSE WILL NOT EVEN EMAIL ME. I HAVE TRIED SEVERAL TIMES TO CONTACT THEM. I HAVE HEARD FROM THE LAW FIRM IN CALIFORNIA THAT IS GOING AFTER THEM. GO ONLINE, AND JOIN THE CRUSADE.

Posted on Apr 08, 2009

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If the loss of picture is either on top half or bottom half of screen. there are y buffer boards that go from top to bottom on left side of screen when looking at back that control those sections. when there is loss of half of picture then buffer associated with that area would be at fault and would need to be replaced. when i see a degrading symptom such as loss of picture on top half or bottom half leading to no picture issue normally you would check heat syncs on y sustain board and if not heating up after a few minutes of being turned on would recommend replacing y main and both y upper and lower y buffer boards as they complete a circuit

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