Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

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My i art pro is showing doubles.when performing a convergence manually,i noticed that that i can fix the problem by using the remote control.the problem now is that i can only go up and down when performing a convergence test.why cant i use my remote to go left and right?

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  • Anonymous May 19, 2009

    Convergence is out of whack. When I try to correct the problem (only have universal remote) I can adjust vertically, but not horizontally. Any suggestions?

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2 Answers

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Your TV most likely a convergence failure. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • 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.
Here are some photos of convergence problems.

my i art pro is showing doubles.when performing a - 3dc9420.jpg

0dcec37.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directionsmy i art pro is showing doubles.when performing a - 0667c5f.pngrgence chips are bad and should be replaced. This is a common problem.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Posted on May 22, 2009

  • Level 1:

    An expert who has achieved level 1.

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  • 1 Answer

The red one don't do it when you use auto or manul.

Posted on Mar 10, 2009

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1 Answer

Hello how do i set the convergence manualy on a pioneer elite pro-710hd projection tv i dont have the remote and dont know how to bring the menue up on the tv


You MUST have the remote to perform service operations on the Elites. Look on ebay or do a google search for Pioneer 710 remote.
There is no way to manually do convergence without a remote, and no way to call up the convergence menu.

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Mitsubishi Rear Projection WS


5ebe434.jpg A projection television and a convergence control method thereof are provided. The projection television, which magnifies images displayed on cathode ray tubes (CRTs) for the colors red, green, and blue using lenses and projects the magnified images onto a screen, includes a convergence control apparatus capable of adjusting the convergence while an input image signal is displayed, the convergence control apparatus including: an image signal decoder which processes the input image signal to generate a data signal, horizontal and vertical synchronous signals, and a start signal indicating the start of either the horizontal or vertical synchronous signal; a convergence control unit which normally projects an image signal output from the image signal decoder onto the screen and performs convergence control using a predetermined region of the screen displaced from a visible region of the screen according to a convergence control command; and a main microcomputer which inputs the convergence control command to the convergence control unit when the start signal is input from the image signal decoder, stops the convergence control when a completion signal is input from the convergence control unit, and performs a control operation to continuously display the image signal during the convergence control.
.
the pro in convergence control circuit only..so better change tat..



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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.


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I have a sony Projection TV KP46WT510 convergence issue. How can I fix it? I see fusy picture with red and bleu double picture. I tried the convergence fix in manual and it shows the issue but could not...


Your TV most likely a convergence failure. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

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2 Answers

PT4298HD Double image


BINGO thats exactly what i get paid to do same price 285.00

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1 Answer

My toshiba 42pw33p television show double image


If the convergence controls don't fix the issue then the convergence circuitry is most likely faulty. A Toshiba repair center will be able to get you an estimate for repair.

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1 Answer

I ART PRO JVC 56


You will need to replace the convergence iCs there are two of them they are both STK392-110 Ics you will also need the JVC convergence resistor kit. You can get the ICs and resistor kit at the following link and they provide free instalation instructions with pictures. Heres the link.
http://servicemanuals.vstore.ca/

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2 Answers

Hitachi Mo# 53uwx10ba double image


Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

  • Screen looks 3D
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

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3 Answers

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Solution:
Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence or magic focus section
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.
You can get a repair kit that includes all the parts from www.TvRepairKits.com.
They have put together a kit for the Hitachi TV sets.
The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself. Its a fairly easy fix on the Hitachi sets.

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3 Answers

Convergence


Touch-up Convergence adjustments Enter the Digital Convergence Mode (DCM) by entering 0-6-2-5-9-7-(Status or Index) on the Remote control. The following menu will appear: Select an active channel or Aux Input. A signal must be applied to the set when performing convergence. If any Customer Adjustments need to be made, the Menu button can be used to toggle between the Customer Menu and DCM. The MPOSD ADJUST is used to center the Customer Convergence grid. A highlighted cross will appear along with the Convergence alignment grid. The highlighted cross should be centered onto the center of the Convergence grid. To perform a Touch Up Convergence, highlight SELECTION and press the right cursor button on the remote. The following menu will appear: Selections STORE, RESTORE FACTORY, and RESTORE DEFAULT are not shown after selecting SELECTION. Press the cursor down button on the Remote for these selections to appear. RESTORE FACTORY loads Convergence defaults from the Factory Loaded section of the Convergence Memory IC. RESTORE DEFAULT loads Convergence defaults from the sets software. To perform a Touch-up Convergence: 1. Enter the Convergence Mode and select RED TO GREEN or BLUE TO GREEN. Do not select GREEN (Green Geometry) without placing a Template over the screen. To perform Green Geometry, refer to the Complete in-depth Convergence. 2. Use the Cursor buttons on the Remote to Navigate from one adjustment point to another. Press the Status or Index button on the Remote to select ADJUST. Use the cursor buttons on the Remote to adjust the Red to Green or Blue to Green. Press the Status or Index button again to navigate to the next adjustment location. 3. After Convergence alignments are complete, press the Menu button on the Remote to return to the SELECTION menu. 4. Highlight the STORE selection and press the right cursor key on the Remote to save changes. 5. Use the GREEN TO RED or GREEN TO BLUE selections to perform convergence when the Green CRT has been replaced.

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