Question about Panasonic PT-47WX49 47" Rear Projection Television

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Converge Problem Blue and green align; however, red in positions 3 (top right), 7 (bottom left) and 8 (bottom middle) will not align. Please offer a solution.

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Re: Converge Problem

Replace the two STK392-110 Convergence IC's. I had the same exact issue and I replaced mine last night. When I turned it back on, i just went the two convergence options and it looks better than i ever remember!

Posted on Nov 08, 2007

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In the middle of my tv at the bottom the are green blue and red colors what can that be

The three CRTs (green, red and blue) are out of alignment in that location or the convergence circuit has failed altogether. Look in the users menu to see if they have a "converge or convergence" option to do a simple alignment.

If not, download the service manual and follow the instructions on how to do the alignment.

Note: if you can access from the user's menu, but the colors do not move when you try to adjust, then the convergence circuit has failed and will need to be repaired.

Mar 08, 2011 | RCA R52WH76 Television

2 Answers

Philips 43pp92 blue will not converge

STK392-120 is convergence correction amplifier.. the problem is the convergence circuit... try to check the small Valuie electrolytic capacitors or High value resistors! maybe the said parts is in change Value... used a ohmmeter tester to find the chenge value parts!.

Nov 05, 2007 | Philips 43PP9202 43" Rear Projection...

2 Answers

Toshiba 57H82 convergence problems. TouchFocus

See my solution <>.
You need to get to the service menu--it's been 4 years so go to to turn off the different guns and get the better pattern.
At your risk: To get into Service mode:
1. Turn your TV on. 2. For X81 or earlier series: Press MUTE on your remote and release. 2. For H80/H81/HX81 series: Press MUTE on your remote and release two times ("Mute" on-screen) 3. Press down MUTE on your remote again and hold. While holding, press the MENU button on your TV set's front panel. 4. Release both buttons. 5. An "S" should appear on your screen. Press MENU again on your TV. 6. Now you're in service mode. Channel Up/Dn - Scrolls through Parameters and Volume Up/Dn - Changes Parameter Value
To get into convergence mode:
Get into Service mode, then Hit '7' to bring up the convergence grid. Buttons 100, 0, and ENT control which gun you want to turn off (if you want to align the red to the green without seeing the blue gun and other variations). 2=up, 8=down, 4=left, 6=right, 3=change gun to converge, 5=converge that point. To exit convergence mode you press 7 once and your screen should look like it's imploding then return to normal and then you press 7 to get back into regular service mode.
I have more info found on the board. -Ken

Jul 31, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

Mitsubishi - cannot converge red

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic2_bing.gif,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya

Dec 13, 2008 | Zenith R49W36 49" Rear Projection HDTV

1 Answer

Focus problem, see Green and Red misalignment;

this could be caused by the loss of the power to the converge circuit or the failure of the converge chips-stk-xxx-xxx if the problem pops in and out it's a connection problem.

Oct 09, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Red will not converge even after I replaced both IC's. Please Help ASAP!

I have a phillips in my office like this. There are a few things to check. Check the resistors around the red convergence ics it is probably open resistor or resistor fuse take your time and check all the resistors.In rear cases it could be the surface mount ics on bottom of convergence board i hope that is not the case.

thanks doctor video leading edge electronics

May 08, 2008 | Philips 43P8341 43" Rear Projection...

1 Answer

Convergence issue with blue

You need to replace the convergence Ics located up front behind the speaker grille numbers STK392-110 you can get replacements at the following link and they provide free tech support and instalation instructions with pictures. heres the link.

May 06, 2008 | JVC AV-56WP74 56" Rear Projection...

2 Answers

Converging green?

jaymz, you can`t move the green, the green tube is always mounted in the middle and is not adjustable from the convergence menu. red & blue should be converged one at a time on top of the green, once you have accomplished this the crosshatch grid will be white and that means your done :)

Nov 30, 2007 | Philips 43PP9202 43" Rear Projection...

1 Answer

Converge problem

Sounds like convergence issue--replace Stk IC's mounted

on large heat sinks. Check power supply for open fuse device.

Re-check convergence alignment.

Aug 11, 2007 | Philips 60PP9352 60" Rear Projection...

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