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 ward_jones@bellsouth.net. 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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  • Larry  Dillon
    Larry Dillon 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.

  • Larry  Dillon
    Larry Dillon Jul 17, 2007

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

  • Larry  Dillon
    Larry Dillon 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.

  • Larry  Dillon
    Larry Dillon 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

  • Nigel Ridehalgh
    Nigel Ridehalgh 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 :)

  • Nigel Ridehalgh
    Nigel Ridehalgh Jul 15, 2007

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

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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

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1 Answer

RED ARCH ON LEFT BOTTOM CORNER


This is a very common failure on Projection TV sets.
  • 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.
You can see some example photos and find a solution here...
http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Jul 16, 2009 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Panasonic T.V. model number PT-47WX42F no picture or sound


R800 open on power board next to the relay.the resistor value is1.5 ohms 10 watt resistor.

Jul 15, 2009 | Panasonic PT-47WX42 47" Rear Projection...

1 Answer

Wavy lines appear across the screen


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

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1 Answer

RED TINT


yOUR CRTS ARE SHOWING THE SIGHNS OF WEAR. ON THE FRONT OF THE SET BEHIND THE SPEAKER GRILL OR FRONT FACIAL. THERE ARE 6 CONTROLS 3 FOR SCREEN RED GREEN AND BLUE AND 3 FOR FOCUS RED GREEN AND BLUE. YOU CAN TRY TURNING THE RED SCREEN DRIVE CONTRIL COUNTER CLOCK WISE. JUST A VERY LITTLE BIT.

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2 Answers

Panasonic HDTV Projection PT-47WX42F won't turn on


Your Set is going into shutdown mode due to the convergence section of your television. Thats what 3 blinks mean. It could be just the Convergence ICs and resistors or you may need a new Signal board TNP2AH035 Let Me know if you need further assistance with this problem.

Feb 16, 2008 | Panasonic PT-47WX42 47" 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/

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1 Answer

Panasonic Model No. PT-47WX42F


Replace the convergence amps. That unit takes two Sanyo STK392-110 and you could use 150's for greater reliability. Also replace one or more of the 1.2 ohm resistors in the yoke return circuit out front of the amps.

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1 Answer

47wx42 - wavy red and green "bars" on top and bottom of screen


Replacing the two STK392-110 ICs didn't do it for me. But you can try. I am experiencing the same problem, and it appears that is not possible to correct the problem with the ajustments in Service Mode. Please let me know if you find a solution to this problem. TIA.

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