Question about JVC AV-56WP30 56" Rear Projection Television

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JVC tv have replaced IC's

Have replaced the IC's (STK392-110) and we cannot get the horizontal red lines to adjust. The up/down keys will not get on the lines. HELP!!!

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  • rabbit59 Jan 15, 2008

    Thank you for the help. Will check resistors. Do you know where we can get the grid settings, as we moved them and did not record the original settings.

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  • 156 Answers

Did you check the resistors which are near by the IC's.may be one of them is burned

Posted on Jan 14, 2008

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Tip

How to set convergence on Projection TV ' s


I have given an general explanation on most projection TV ' s

  1. Enter the menu on your TV. Use the remote control and bring up the menu.
  2. Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  3. Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  4. Press "Enter." A crosshair pattern will appear on your screen.
  5. Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  6. Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  7. Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  8. Repeat these steps for all colors.

on Mar 18, 2010 | Televison & Video

1 Answer

I CANT ADJUST THE RED VERTICAL LINES ON MY JVC REAR PROJECTION TV. i HAVE DONE CONVERGENCE AND MANUALLY ADJUSTED THE RED LINES HORIZONTALLY, BUT NO LUCK WHAT CONTROLS TO USE VERTICALLY


If it will not adjust up or down or left and right the convergence chips need to be replaced.

See attached photos of board that is in your set:


10_16_2011_2_52_30_am.jpg10_16_2011_2_52_47_am.jpg


This can be a do it yourself repair and the parts do not cost a fortune.

Can I help?

SD TECH

Oct 16, 2011 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Video just reduced to a tiny horizontal line across the screen. sound is fine, what could be the problem? jvc tv model av-32720


You have a bad vertical IC at its worse or one that may need resoldered. Be sure to check the grounds on this IC and check for rings around the pins. And you can bet in the immediate area you have bad capacitors that created a hot vertical IC. This will cause the Vertical IC to break down!

May 02, 2010 | JVC AV-32720 32" TV

2 Answers

How do you set convergence


What is your Make and Model number?

Mar 18, 2010 | Televison & Video

1 Answer

Sony tv model no. KV - 19 APR 2


This is for a different model, but I had thin horizontal lines in red and had to adjust the tube for red. You may have a similar adjustment on your set.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Aug 01, 2008 | Sony KP-48V80 48" Rear Projection...

1 Answer

Red Convergence on JVC AV- 65WP74


convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 28, 2008 | JVC AV-65WP74 Rear Projection Television

1 Answer

JVC Television Model AV 27820


One or more of the electrolytic condensers near the vertical ic are bad

Nov 20, 2007 | JVC AV-27820 27" TV

1 Answer

Red Convergence on JVC AV- 65WP74


PCB's when available,are expensive.Replace convergence IC(s),

re-adjust and you are good to go!

Oct 12, 2007 | JVC AV-65WP74 Rear Projection Television

1 Answer

TV has bright horizontal line


do some voltage checking on the ic and make sure that volages are reaching there, about 32 volts. if it is reaching, then you can change the ic there. but before you do that, check around that ic and make sure everything is ok there. good luck

Aug 15, 2006 | JVC AV-35750 35" TV

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