Question about Panasonic CT-32D31 32" TV

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I have a panasonic tv with retrace lines at the topI

I have a panasonic tv with retrace lines atthe top I know it is a capacitor but i dont remember wich one

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  • Panasonic Master
  • 1,210 Answers

If you can locate the vertical IC you are nearby!. You will have to resoder the grounds on the vertical IC and any cap in the immediate area of this vertical IC is weak. I would replace them all as they will pull each other down. There may be four caps and the largest one, possibly a 25 volt 2200MF would be the only good cap. I dont have the specs on this set, but this will surely lead to a good repair!

Posted on May 06, 2010

Testimonial: "thanks the three caps near the ic fixed the retrace ligns"

  • matt martin
    matt martin Feb 18, 2011

    You are most certainly welcome!

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1 Answer

Retarce line


Diagonal retrace lines at the top are usually the result of bad electrolytic capacitors in the vertical deflection circuit most vert. deflection circuits derive operating B+ from a horizontal flyback transformer winding rectified & filtered usually around 24 volts the electrolytic capacitor on this supply loses capacity or may totally go open causing the retrace lines,sometimes other electro. caps in the vert circuit can cause this too, depending on the age of the tv you may find multiple substandard electrolytic caps it's best to test all for capacity & esr. Without knowing more details about your tv brand,model and/or chassis i can't help further.

Apr 14, 2014 | Sansui Televison & Video

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Panasonic ctp2780sf no picture faint line going vertical across screen


There are two reasons for this fault. A fault smoothing capacitor at the video output voltage rail, or excess of screen voltage. These lines are called 'vertical retrace lines' technically. Check this link for more details. It has a post, which have information regarding this fault. Go to older posts there.

Dec 25, 2012 | Panasonic Televison & Video

1 Answer

White horizontal lines on top of screen


Replace all the electrolytic capacitors in the vertical output section circuit. There will be 5 or 6 of them. Replace the at one time. The fault you see is technically called " vertical retrace lies".

Apr 28, 2012 | RCA 27F524T 27 inch TV

1 Answer

TOP RETRACE LINE IN THE SAMSUNG CRT TV MODEL CB5081Z


you are going to find a open filter capacitor right at the vertical output chip (usually a 220 uf at 25-35 volts) that is open or low in value.

If the set is run like this it will soon destroy the output chip.

Mar 23, 2012 | Televison & Video

1 Answer

I WAS WATCHING MY SAMSUNG TV MODEL LN32A450C1DXZA AND WHITE LINES APPEARED ON 3/4 OF THE TOP PORTION OF THE SCREEN, HAD THE TV FOR ONLY FOUR YEARS


This fault is due to leakage of electrolytic capacitors in the vertical stage that is why top retrace lines are visible over the picture,if you are technical person check the capacitors in the vertical stage by replacing the same.

Jan 22, 2011 | Samsung Televison & Video

1 Answer

Several lines run across the top of the screen


Several lines acroos the screen at the top along with picture is a typical fault. You are seeing vertical retrace lines. Either the supply smoothing capacitor to the power supply given to vertical output Ic or vertical output capacitor connected to the vertical output pin of that Ic may faulty. Usually the supply smoothing capacitor seen faulty. It may be over 1500Mfd eletrolytic capacitor used there. It may get value reduced by 40 percent or so, this falult will occur. Please replace the two capacitors together and will get the result.

Oct 15, 2010 | Toshiba 27A34 27" TV

2 Answers

Retrace lines in top of tv...


These lines are cause by defective capacitors in the vertical section of the TV. No adjustment will work unless the capacitors are replace. The values of the capacitors are between 1uF, 10uF or possibly a 47uF.
I do not have the service manual at this moment but you can google it by the model number of your TV.
Let me know if you need further assistance.

Jun 16, 2009 | Toshiba 27A45 27" TV

1 Answer

I get a strip about 4-5 inches of fine lines at the top of the screen


What you are experiencing is called “vertical fold-over” the vertical size of the picture is too big on the top and is folding over, causing retrace lines to show on the screen. The reason why it comes and goes is because it is caused by a leaky cap in the vertical circuit.
Replacing this capacitor will fix the problem, finding it is another.
If you are handy with a soldering iron and would like to attempt the repair. I will try to help you.
Let me know.

If I have managed to answer your questions and have helped you, please help me, and rate this suggestion the highest FixYa rating. If you cannot give this post a “FIXYA” (Two Thumbs Up) rating then please comment to this post and I will try to help you further.
I try to provide the best FixYa experience.

May 23, 2009 | Panasonic TC-14KM30R 14" TV

1 Answer

Lines at top of screen


I have seen issues with complaints of raster with vertical retrace lines at the top of the picture and capacitor 2494 needs to be removed.

Jul 23, 2008 | Philips 27MT3305 27" TV

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