Question about Philips 50P8341 50" Rear Projection Television

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50P8341 red bows

I got a Phillips 50P8341 from a friend and the red bows from top and bottom. when i try to converge it storts to get close then just jumps away like 10 inches.

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  • tvnoob Feb 18, 2008

    Thanks for the help, but can you tell me where i might find these convergence 'IC's/resistors in the TV. I have basically 0 TV knowledge so any more info would be much appreciated

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  • Philips Master
  • 8,617 Answers

Convergence ICs or the resistors powering them are bad. Check for open resistors near the ICs if any are open, change both ICs and the resistors.

Posted on Feb 10, 2008

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Is this a Convergence IC chip problem?


yes this is a bad ic
here is my tutorial.. most of these use a stk392-120 and i would replace both of them

http://www.fixya.com/support/r5001731-convergence_diagnosing_convergence
Let me know if I can be of further assistance.

Jun 14, 2010 | Philips 55PP9352 55" Projection Television

1 Answer

My friend has a Phillips RPTV model number 50P8341 and the convergence is messed up and the picture is bowed. Any ideas?


install the convergence repair kit. Its takes 2 STK392-110 Convergence ICs and you will need a few of the 6.8 ohm resistors. You can get the DPTV305 -DPTV345 convergence repair kit which also applies to your model from www.tvrepairworld.com which has the parts and the CD with instructions and the Kit has the STK392-120 ICs which would be a better set of ICs for your model.

Jan 12, 2010 | Televison & Video

1 Answer

Red is bowed on top & bottom of magnavox 55" 51mp392h


The Phillips DPTV305 - DPTV345 convergence repair kit should fix that problem. Its available from www.tvrepairworld.com and the kit also contains the instructions.

Nov 26, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

I am having a hard time adjusting the color and focus on my Phillips 50p8341. Can you help?


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

Sep 12, 2009 | Philips 50P8341 50" Rear Projection...

1 Answer

Bowing of picture at top and bottom towards center.


Projection sets have two very common problems outlined below.

The first common problem is 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. The TV can also shut down when the convergence starts to fail.

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, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*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.pngSOLUTION

You 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

Jul 12, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Color seems off possible bowing of the image at top and bottom


that's right my friend, you have a convergence problem, you need to replace the stk's and it is possible that you have some burned resistors. if can't do it yourself  you are looking $250.00 repair 
good luck

Jun 07, 2009 | Samsung PCL5415RB 54" Rear Projection...

1 Answer

Projection tv is Blurry and offset


You have a focus and screen control box it has 3 controls on top 3on bottom these are the controls for Red-Green-Blue screen drives and for focus to each tube. IT should have Focus /Screen on it.

Dec 19, 2008 | Philips 50P8341 50" 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.
http://servicemanuals.vstore.ca/

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

1 Answer

Bowing image top and bottom of screem


No im sorry there is nothing to do but replaceing the convergence IC

Oct 30, 2006 | Toshiba 55H70 55" Rear Projection...

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