Question about Samsung HC-P4241W 42" Rear Projection HDTV-Ready Television

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JVC AV27320 Screen too dark

I have a JVC AV27320 TV that is only few years old. The screen of the set becomes to too dark in recent week. The color is also turning poor, which I don't know if it's caused by lossing the brightness. I have adjusted the Brightness on front panel to max and even adjusted the Screen on the FBT, it didn't help much. Does anyone can help on this set or know where can I get a free diagram for the set. Thank you for your help. The screen is dark. The color is poor. I have tried adjusting color, brightness, tint etc. Slight green hue to the color.

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  • desk1 Feb 02, 2008

    HAVE A JVC AV-56WP74 I AM HAVING THE SAME PROBLEM. RAN THE CONVERGENCE BUT STILL DARK ADJUSTED THE BRIGHTNESS

    ALL THE WAY UP. BUT DONT KNOW IF I NEED A BULB OR A NEW

    TV

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Check the lumans circuit. may be jungle IC

Posted on Dec 11, 2007

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I have a JVC model AV27320 standard TV. The picture is dark and the tint is off. The colors you can see are blue and red. Tried adjusting tint and brightness from the menu and no significant change. ...


It is one of two things the picture tube is bad and the green emission is very low or the green gun is open, the second possibility is the video driver or output is shorted on the video board "plugged in the back of the picture tube"

Mar 03, 2011 | JVC Televison & Video

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Re: Toshiba 65 in Cinema Series - 12 years old. Color Separation. Green bow at top center of screen, red and blue double images tilting upwards toward sides. Sometimes clears unassisted after set has...


projection 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 20, 2011 | Toshiba 65H82 65" Rear Projection...

1 Answer

Picture is dark


Adjust video settings:
  1. Press Wega Gate
  2. Select Settings
  3. Highlight Video
  4. Press + to select
  5. Adjust/increase the brightness.
  6. Press Wega gate to exit.
If picture is still dark, you need to replace the lamp again. Sony recommends that you replace the lamp:
  1. After approximately 8,000 hours of use.
  2. When the screen becomes dark or the color becomes unusual.
  3. When the lamp indicator on the front of the TV flashes.

Aug 22, 2009 | Sony Grand WEGA KF60XBR800 60" Rear...

2 Answers

Picture djust


Put it in the custom mode.Put the contrast to the max.Put every things in middles may be colors for less.Now u have the desire ajustment u want?

Aug 19, 2009 | JVC AV-27530 27" TV

1 Answer

I have a JVC tv only 1 year old and the picture is getting dark.


Sorry to tell you but JVC is a well-known un-reliable brand and if it's cheap, probably even worse. U may have screen burn from leaving a games console on while plugged into the tv, even if its not showing the game, it will burn it onto the screen. :(

Mar 24, 2009 | JVC AV27F476 27" TV

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The picture on my JVC TV is too dark


On the inside of the TV, on the flyback transformer there should be two controls. Turn the one that says "screen" very slowly clockwise while looking at the pix. The pix should get brighter as you turn it up- if you go to far you will see lines in the pix or the TV may shutdown.

Aug 30, 2007 | Televison & Video

1 Answer

Rear projection dark picture


Open up the front of the set and find the screen controls and perform a grey scal alighnment by adjusting the red , blue , and green screen controls but be carefull and make sure you adjust them evenly or the picture will not look right. Good Luck

Mar 23, 2007 | JVC AV-56WP30 56" Rear Projection...

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JVC AV27320 Screen too dark


hi solution #2 was correct. the adjustment knobs r on what's called the "flyback" i adjusted the bottom knob and the difference was from "night to day" !!!

Oct 12, 2006 | JVC AV-27230 27" TV

1 Answer

Horizontal Lines


The unit most likely has a short in the horizontal section and would require repair by a service center. Go here to find a JVC repair center in your area http://maps.jvc.com/cAscList/

Sep 18, 2006 | JVC AV-56WP74 56" Rear Projection...

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