Question about JVC AV-24F703 24" TV

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The picture is only producing the basic colours red green and blue

The television will only produce colurs of blue red and green. Also there is a strange pattern appearing in the picture, sort of like a maltese cross along the length and breadth of the screen(in the red green and blue)

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  • Anonymous Mar 18, 2014

    i am not getting good colurs on my tv its green and blue

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Can you post a picture of the Tv with the issue stated?

Posted on Mar 01, 2007

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1 Answer

What is a cross hatch pattern?


The patterns help you adjust the red, green and blue colors in projection TVs convergence circuit.
You can get the patterns, by entering the service mode of the TV or connecting a color bar generator to the TV

http://i.ytimg.com/vi/Ai4pXfFqIkY/maxresdefault.jpg

Good luck
www.aaatvservice.com

Aug 12, 2014 | Televison & Video

1 Answer

How do you access the convergence calibration menu on a RCA P52926 Rear Projection TV


Hello
To access the convergence calibration:

Press the MENU button on the remote.

2. Press 3 to select the Screen option.

3. Press 4 to select the Adjust Projection TV option.

4. Press 4 to select the Advanced Convergence option (the
Advanced Convergence screen appears).

The green pattern is fixed. The red and blue patterns are adjusted to

the green pattern. The Red Convergence appears first by default.

5. Colored cross-hairs show the current adjustment position on the

grid. To move the cross-hairs to a different position, use the

CH+/- buttons on the remote to move the cross-hair highlight up

and down, and the VOL+/- buttons to move it right and left.

6. Use the arrow buttons to adjust the red pattern. Each press of

the arrow button makes a slight adjustment from the center of

the cross-hairs - you can press and hold the desired arrow

button to make a faster adjustment, and then make fine

adjustments with single presses of the arrow button.

7. Press the INFO button to switch to Blue convergence and follow

the steps above to adjust the blue pattern.

8. Press OK to exit. You will be asked if you want to save the
adjustments

Yes Saves adjustments.

No Returns to the Advanced Convergence screen allowing

further adjustments.
Clear Exits screen without making any changes

Note: Before you use the advanced convergence feature, you must
complete the previous steps to align the tubes

May 19, 2011 | RCA P52926 52" Rear Projection Television

1 Answer

There no color only red d its plays but all the color is red it was playing last night it brinked then rede came on 18222


Before you go any further you need to press menu on your remote go to picture press select and then go to convergence press select again then a white cross should apear on the screen. Your objective is to converge or line the blue and green crosses up so that they appear as one cross. After you do this look at the directions at the bottom of your screen. Select the prompt that lets you continue. After you press continue several crosses should appear all over the screen do the same for these crosses as you did on the previous screen. This should solve your problem. If this doesnt fix it there is no high going voltage to your green and blue CRT's (cathode ray tubes). This could be caused by a number of things. I would take it to the nearest service tech being that you are dealing with high voltages comming from the tripler so high that if your hand or tool gets to close it could arc and ground through you even if the set is not connected to the power source

Jul 05, 2010 | Akai PTH5498 54" Rear Projection...

1 Answer

My big screen panasonic tv has a double fuzzy picture what am I supposse to doto fix it


Adjust the convergence or reset it to factory default. Use only the remote when adjusting convergence. The front controls have no effect.
  1. Press action button to enter MENU.
  2. Navigate to SETUP.
  3. Scroll down to CONVERGE.
  4. Press VOL > to select.
  5. Press CH buttons to navigate up or down.
  6. Choose CONVERGENCE ADJ or RESET TO DEFAULT.
  7. Press VOL > to select.
  8. If CONVERGENCE ADJ is selected the align Green to Center screen will be displayed.
  9. Use the navigation buttons on the remote control to align the horizontal and vertical green lines on screen, with the cabinet reference marks on top center and left
    center of cabinet.
  10. Press ACTION button to display red center correction screen.
  11. Use the navigation buttons on the remote control to align the red cross with the white cross pattern at the center of the screen. To prevent picture tube damage do not leave test pattern on for an extended period of time.
  12. Press “0” on the remote control keypad to display the BLUE center correction screen, repeat procedure for adjusting blue. If needed press “0” again to return to RED correction screen. An adjusted cross pattern appears white with a minimum of color protrusion.
NINE POINT CONVERGENCE CORRECTION
Remote Control must be in TV mode.
  1. Press ACTION button to display red correction screen.
  2. Press the 1 through 9 keypad buttons on the remote control to select the desired convergence position.
  3. Use the navigation buttons to align the RED cross with the white cross pattern.
  4. Press “0” on the remote control keypad to display the BLUE correction screen, then repeat procedure.
  5. To exit press ACTION button repeatedly, then press CH up.


Nov 07, 2009 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Picture is OK, but colors are off and there is a blue star background that shows on dark colors.


Hello, With most rear projections there is usually an alignment to do with the set up with your TV. This is so the red, blue and green projectors align together to give the correct colouring. This sounds to me what may be causing the outlining of the blue. This can also make it seem off colour. Look in the set up menu of the tv and see if you can find this alignment feature. Usually a cross will appear and you move a blue, red, and green cross with the arrows on your remote to align over the original white one. If this does not work, it may also mean that one of your projectors, that is the red, blue or green one may be failing causing the off colouring. Hopefully this alignment may fix it for you.

Oct 26, 2009 | Sony Grand WEGA KDF-60XBR950 60" Rear...

1 Answer

Mitsubishi 1080, Model #WS-B55


I need one for all universal codes for mitsubishi.

Jan 09, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Sony KP-46WT500 Red, green and blue lines appearing on screen


your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv

Nov 26, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Mitsubishi VS-50705 50 in apparent convergence problem.


First thing a tech would do is solder around Convergence amps then check to see if you can align by menu then if can not. Change amps and maybe resistors.

May 19, 2008 | Mitsubishi VS-50705 50" Rear Projection...

1 Answer

Convergence and picture problem.


convergence ic's
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/

Jan 07, 2008 | Sony KP-57WV600 57" Rear Projection...

2 Answers

The picture is only producing the basic colours red green and blue


You can start with the make, model and age off the back of
the TV..........................T.

Dec 24, 2007 | Televison & Video

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