Question about Panasonic PT-47WX42 47" Rear Projection Television

5 Answers

PT-47wx42F how do you get to servie mode. I have wavy red and green lines on my set.

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  • Ward JOnes Jul 15, 2007

    Ty Nog I have the user manual . Sorry But your solution did not work. Do you you know where i can get the service manual. i think it is an out of adjusment problem

  • Ward JOnes Jul 17, 2007

    ty techman I will try your solution, with caution. BEfore i start i will write down all the current settings. My Email is [email protected] By the way I am not an electrician. That part looks like an computer chip, does it just snap in or does it ned soldering to the board.

  • Ward JOnes Sep 06, 2007

    Igot the the STk's in now my tv just makes a beeping noise when I plug it in no pitcure or any thing please advise

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Confused on where you stand now with this set. And what Chassis is this? AEDP812 or what? Did you change resistors when replacing Convergence amps? Where there any solder bridges?

Posted on Sep 07, 2007

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Did you get the manual from techman, and did his solution work? If not, can you explain what you tried and what condition the set is in now, and I'll see if I can help out any.

Posted on Sep 05, 2007

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Mistacork, I have to agree with tvtek, you most likely have a problem in the convergence circuit. Most likely the correction amp IC's, But if you want to go into the service mode, I can send you a manual very close to yours and this will explain how to go in and adjust, but let me caution you. This is very dangerous to do if you do not know where you are, what you are adjusting, and if you do not write down anything before you change it. The service mode is not a simple place to piddle around in, it can ruin your set if you make a wrong adjustment. Leave your e-mail and I will forward it to you. Good Luck

Posted on Jul 17, 2007

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  • Anonymous Jul 17, 2007

    These are two IC's about 2" by 3". Standing up and mounted to a large metal plate called a heat sink. These are soldered into place on the printed circuit board. They will have on them white letters thats says STK-392-150 or another three letters at the end, I forgot. But If I were you, I would replace these IC's or have them replaced before messing with the service menu, as you could throw out the entire alignment and then when you do get the unit repaired, it will take a lot of time to readjust. The service menu is only for slight touch ups and if parts are changed. Any drastic changes in the alignment is a true indication of a part failure. The service menu is not a cure all or will not fix all the problems, as a lot of people are told by others. A little knowledge can be dangerous in this case. If you do not know how to solder, maybe a friend or neighbor knows how to work on printed circuit boards. Good Luck, and I will send that manual. It will not be your set, but the service menu will be in there.

  • Anonymous Jul 17, 2007

    I sent you what you need to fix or repair your problem. Good Luck

  • Anonymous Aug 10, 2007

    I sent you the proper manual this time,via your e-mail. I did not realize how off the last manual I sent you was.

  • Anonymous Sep 06, 2007

    If you replaced the IC's, where did you get the replacement IC's from? Do the replacement IC's have the name Sanyo on them? if not, that's your problem, you purchased aftermarket second rated IC's. Also you need to double check your soldering work on the IC's as it sounds like there may be a solder bridge or two.

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Most likely you have a convergence IC that has failed and possibly a resistor or two. The IC's should be STK392-150's in this set. If you have severe line bowing I would look into one of these IC's being bad before alignment is done.

Posted on Jul 16, 2007

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Here is the link to the user manual if you need it; http://service.us.panasonic.com/OPERMANPDF/PT47WX42F.PDF Check page 37/38 of the pdf file for convergence adjustment instructions. Page 39-41 for other colour adjustments. If none of those work, check if you have any other electrical items near the set that affect the picture if you move them or turn them off. maybe in another room. Hope this helps, please ask again if not:)

Posted on Jul 15, 2007

  • Anonymous Jul 15, 2007

    These guys have a service manual and the supplement;
    https://www.manualsparadise.com/ShowProd...

    Sorry - no luck with a free one.

    Hope this helps - please ask again if you need help with anything in the service manual :)

  • Anonymous Jul 15, 2007

    sorry didn't post as a link - just copy and paste it into your browser :)

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1 Answer

Replaced convergence ic's and picture is good but still no blue color to adjust in the convergence mode. the blue bulb is lit in back.


You may have pressed a wrong button when in service mode---it allows among other things to turn individual colors off like Blue--to make it easy to adjust red to green first.

Also take a look with set on into the Blue lens to make sure you have a image and it does not look like a blue flood light.

a last note: if you tampered with the lens (they have a wing nut on side that allows them to be turned you may have on the blue turned the lens so far there is no focus---for that lens--Did you?

May 30, 2012 | Samsung HCN4727W 47" Rear Projection...

1 Answer

Red and green wavy lines


chek your power in if it is stabile than you musht range a power stabulisator othervice if is ok need chek in to change crystal diodes and aom other parts

Jan 22, 2010 | Toshiba Televison & Video

1 Answer

Red, Green convergence lines are wavy


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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,Panasonic,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...

*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 http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 16, 2009 | Akai PT4298HD Rear Projection Television

2 Answers

Wavy green lines when picture is black


Check out this site. These TV's are known for the CRT's going bad. This site shows how to make adjustments that could help extend the life of your set. Take a look at the first picture, if the lines look like the ones in the picture this site "should" help. The picture shows a problem with the red but don't worry about the color, look at the lines. I hope this helps.

Mar 22, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Green Background with red wavy lines


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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,Panasonic,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...

*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 http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 11, 2009 | JVC AV-56WP74 56" Rear Projection...

4 Answers

Pioneer sd-643hd5 rear projection 64" tv has green geometry grid problems


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 25, 2008 | Pioneer SD-643HD5 64" Rear Projection...

1 Answer

Long power up time, wavy "static" lines, and red/orange problems


part of it sounds like your coax cable is not connecting properly. pull it out and make sure the pin at both ends of the coax cable is straight if bent replace coax cable.

Dec 28, 2007 | Hitachi 32UDX10S 32" TV

1 Answer

Wavy green and red lines


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/

Nov 09, 2007 | JVC AV-65WP74 Rear Projection Television

2 Answers

I am told my Hitachi 61SDX01B (UltraVision/Ultrascan) has "Green Geometry"


Sounds like a convergence promblem.

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

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.

Oct 15, 2007 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Hitachi 61SDX01B


The problem is called green geometry.There is nothing wrong w/the green pix tube.It is critical to get the green geometry

accurate because the red and blue convergence overlays on

the green.If you have more than an alignment issue,that will need

repair before adjustments are attempted.

Oct 15, 2007 | Hitachi 61SDX01B 61" Rear Projection...

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