Question about Panasonic PT-47WX53 47" Rear Projection HDTV

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The blue adjustment is not working - a blue band has formed at the bottom of the tv screen

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Press the menu button, if the blue is still present the tv will need repair. If there is no blue line try a second source, either a dvd player or a game system. If the issue is only with the original source it is the original source that will need to be replaced.

Posted on May 06, 2010

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Posted on Jan 02, 2017

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WHY DID MY VIORE SCREEN RESIZE TO SMALLER SCREEN


Screen size depends on the broadcast signals aspect ratio, the TV adjusts for that automatically, the picture can have no bands or be banded top and bottom or on both sides.

Jan 07, 2017 | Viore Televison & Video

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Horizontal Band of Thin Red and Blue Lines on Screen


Sound like your Y-Sustain board has one foot in the grave. The Y upper buffer and Y lower buffer boards go when the Y Sus Goes too...

Mar 22, 2014 | Panasonic TCP46C2 46 in Plasma TV

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Disney princess tv suddenly narrowed the visible part of the screen. Now everything is squished into a two in wide band with all the rest of the screen is black.


if that 2 band according to you from top to bottom,it has a defective vertical stage.if this two band appears one on top and one at the bottom,it`s on vertical stage.leaky capacitors,resistance changed or resistor devalued ang ic`s, are too weak to amplify a signal to make the screen complete....

Jan 29, 2014 | Disney 13" TV

1 Answer

My tv has a color seporation on the screen, at the top it has a yellow band, and at the bottom it has a blue band. what could the problem be, and what part will i need? thanks kevin.


TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 28, 2011 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Blue band forming across the bottom of the screen after lamp replacement


http://sites.google.com/site/sonylcdrptvproblems/#TOC-Optical-block-problems-by-TV-model

Prior to paying for any repair, read this regarding Sony's many problems with LCD TV's since 2004. You could get some $ back on your lamp replacement and possible help to get current problem repaired. Hope this helps.

Sep 19, 2010 | Sony KDF-42WE655 Television

1 Answer

The bottom of the screen is black-as though there is a border along the bottom. I can't find a horrizontal adjustment anywhere.


It is a vertical issue, not horizontal.

Is the picture you have complete? Is there a black band along the top as well? If so, it may be because you are providing an HD aspect ratio of 16:9 instead of the TV native 4:3.

Try hooking up a VCR and watching a tape. Do you still have the black band on the bottom?

Aug 18, 2009 | Toshiba 36A40 36" TV

1 Answer

Mitsubishi prjection screen WS-65908


You have a convergence problem,all this sets show this problem sooner or later,you have 2 or 3 amps for the red,green blue colors and this amps go bad and need to be replaced then you have to do a convergence aligment from the service mode and not form the customer controls,a qualified tech should be able to correct the problem since is a common one.

Sep 09, 2008 | Mitsubishi WS-65908 TV

1 Answer

TV Problem with shutting off by itself


Mine just did the same thing.  Except for it was green instead of blue.  The service manual states 8 flashes from the light stands for an overvoltage.  After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors.  BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here.  I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down.  I then waited about 10 minutes (don't know if this made a difference).  I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again.  Only adjust one at a time, the order for colors are blue, green, then red from the left.  I hope this fixes your problems.  Be careful when working inside a tv,  I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.

Sep 16, 2007 | Sony KP-51WS500 51" Rear Projection...

1 Answer

GE 46GW945


Your problem is a bad main filter, a regulator IC ,and or a combination of a convergence problem along with a vertical IC going bad. This set is not something you should mess with unless your a trained tech. Please seek a pro to assist you with this repair. good Luck

Jul 28, 2006 | GE 46GW945 46" Rear Projection Television

2 Answers

Toshiba 55hx70


what type of set is this??? theres no picture of it and the top of the product says its a panasonic pv-DF2700 27inch. Is it a projection set or ??More info please

Apr 14, 2006 | Panasonic PV-DF2700 27 in. TV/VCR/DVD...

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