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

1 Answer

Blue shadows on 6 yr old pt47wx49

When I go to adjust Convergence 2 the Blue will not adjust. It is off all around, and some of the blue cross hairs are unstable.
Do I need to buy a convergence kit?

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  • djbirish Nov 12, 2008

    I have the same problem also 6 years old. What is needed to fix and where can I order it.Blue shadows and cant line up blue in the nine point convergence adjust.

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Yes you need a new board

Posted on Nov 01, 2008

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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

Convergence Adjust


It means probably one of the two convergence ICs has blown

Jul 13, 2008 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

How do I adjust the convergence properties on an RCA rear projection tv?


Normally on the RCA rear projection TV's you would bring up your menu and choose the Setup menu, then press OK on the remote. That menu would then have Convergence as a choice. Once that was chosen the next menu would give you the choice of either letting the TV run it's own Autoconvergence program, or you would select either Red or Blue convergence.

Choosing Red Convergence would bring up a Yellow cross-hair in the middle of the screen. If the Convergence was not correct you would see separate Green and Red cross-hairs. Once they were perfectly aligned you would again see one Yellow cross-hair.

Choosing Blue Convergence would bring up a Blue cross-hair in the center of the screen. If the alignment was out you would see 2 Blue cross-hairs. Using the Up and Down and Left and Right cursor keys you would adjust the alignment until a single solid Blue cross-hair was in the center of the screen.

May 15, 2011 | RCA Televison & Video

1 Answer

Blueish hue throughout picture, like a blue ghost a couple of inches to the right of objects on the screen


Your TV's Convergence may be out of line. To adjust this do the following.

1) Press the Menu button on your TV/Remote
2) Scroll through and select the "Advanced Features" Menu.
3) Select Blue Convergence
4) Use the V keys on your remote till the cross hairs are all lined up in the middle of the screen and the center one is white.
4a) You can use the "Video" button to switch between the red & blue cross hairs.

Dec 28, 2010 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

There is a blue shadow to the picture. The color chips were recently replaced and it has been doing this since the replacement. I have tried to adjust the convergence but on the screen with the cross hairs...


STK ICs that were replaced maybe the reason convergence is not lining up or you may have some open low ohm resistors that need to be replaced ,near convergence ICs. STK392-570.
Mats Electronics has STKs for 14.95 each
1-800-628-1118

Jun 23, 2010 | Mitsubishi WS-55511 55" Rear Projection...

2 Answers

Does it take some type of gel under the lights, the colors are a little blurry


i also have this tv. i removed backcleaned mirrior, back of screen and lenses VERY GOOD. Then turned on tv go to convergence, sepaerate cross hairs then adjust focus on lenses. Then lenses rotate maybe about a 1/3 turn total by hand. Grab ring that houses lenses and turn until cross hairs are as clear as possible. This can be done with out help by watching inside of screen. red and green are adjustable, the blue is adjustablealso but i couldnt find blue cross hairs, maybe by covering red and green lenses the blue will show on screen. anyway when done and cross hairs are clear,lenses, mirror and screen are clean, you can adjust covergence and get a very clear screencleaning will also brighten pic. Pete

Mar 27, 2010 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Have a rear projection tv 55pp9352. Has green halos around objects on the screen. Checked convergence and all red and blue line up except that on the outside edges the convergence crosses are somewhat...


yes, you need remplace the liquid in the picture tube green and blue, and need remplace 2 parties stk-392-120 and resistences 6.8 ohms at 1/2 watts

Jan 05, 2010 | Televison & Video

1 Answer

I have a yellow line on the right side of my Toshiba 50 rear projection TV and yellow shadows around people


It sounds like a convergence problem---go into the customer menu and select convergence---set should offer center and multipoint adjustment--in the multipoint look to see if the outer crosses adjust--if red or blue will not adjust somewhere--bad convergence IC's.

Jul 17, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

Unable to align red crosshairs in horizontal range


No there are no quick fix options for this fault. The convergence amplifiers operate similar to a high power audio amplifier, so if there is an impairment anywhere in the system, it will result in distorted audio, or in the case of television convergence amplifiers, one or more colors won't align. The convergence power pacs need to be replaced and the out of tolerance precision resistors located near the power pacs need to be carefully checked and replaced as necessary. And the power supply fuse links to the power pacs checked and replaced as needed.

It is also possible that there are root faults that cause the amplifiers to go bad which include bad connections or a bad digital control module. This repair is possible for anyone having basic electronics knowledge and soldering skills. After the above repairs are performed it may be necessary to perform the static convergence realignment procedure using the outer cross hairs as you mentioned, and realigning them.

Apr 23, 2009 | Hitachi 53UDX10B 53" Rear Projection...

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