Question about Standard (CRT) Televisions

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Folded picture TV is a little over one year old and the picture has "folded" over on top of itself. About the top 3-4 inches is upside down. Is this a capacitor that has gone bad or is there a bigger issue? Model #27PT5445/37

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Re: Folded picture

I had this problem,the solution is to replace the 100mf/50v
cap near the vert ic heatzinc. it worked for me!!!!!

Posted on May 31, 2008

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Re: Folded picture

The primary suspect here is a defective capacitor at the horizontal deflection circuit. You can also try flexing the board while the tv is on, and try to observe if the problem would disappear even for a second. just to check for any loose solder that usually occurs in a television. !!!Word of caution, !!! The inside of a live TV has several high voltage points that can easily do harm. If you are not comforatable working with such conditions, I suggest to have the unit serviced by a qualified technician.

Posted on Jan 07, 2008

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Re: Folded picture

You have a vertical deflection problem and the parts location of the bad ones are C2465 10mfd at 160v and shorted diode at location D6460 part #9340 549 45115 Call Tritronics at 1-800-638-3328. I think they sell to consumers. Parts must be unsolderd and new soldered back in.

Posted on Jan 07, 2008

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A black line (about 2 inches wide) appears at the top of the screen with this amount of the picture looking like it is folded down translucently over the remaining picture. What's up?

Your TV has vertical fold problem. Just check all the electrolytic capacitors. On checking, most of them may look good. But on circuit, when energised, will show problems. So it is best to replace all of them once and check. Please check the electrolytic capacitor connected to the vertical power supply [usually comes from the secondary supply section of the Line Output Transformer], first, and replce it. It may be a 1500Mfd or 2200mfd. Check it first by replacing a new one. In most foldover cases, this service will solve the problem.

Oct 18, 2010 | Philips Standard (CRT) Televisions

1 Answer


For how many years this TV with you? Most tv now a days after few years of using vertical IC solder started to dry(dry solder) you can try to re-solder or you may check also two capacitors (100uF/35V) for most JVC model has this symptom with this parts changes its electrical characteristics. If still problem persist replace vertical IC. Hope his helps, Good Luck

Feb 14, 2010 | JVC AV27F476 27" TV

1 Answer

Tv picture is shrinking.

Check for dry electrolitic capacitors near the vertical IC

Jun 23, 2009 | Philips 27PT563S 27" TV

1 Answer

Elongated picture on Sylvania 27" Model # SRT2232S

there is a vertical adjustment on the picture tube it's the yoke as it's called but you can adjust it so much..but it does sound like the tube is on it's way out

Aug 28, 2008 | Sylvania 6427TE 27" TV

1 Answer

Elongated picture

There is a bad capacitor in the vertical circuit. If you feel comfortable working inside a set and can solder, update this and I'll try to get the specifics for you.

Aug 28, 2008 | Sylvania 6427TE 27" TV

5 Answers

Magnavox Color TV Model #27MT3305/17

The problem I was having was that the vertical deflection was collapsing on itself from the top. I'm a tech and I am visiting web sites who experience similar problems with the Magnavox 20 MT4405 in hopes of saving them time and money."Starsong" has the right answer. Replace electrolytic capacitor #2465. It is a
10 microfarad electrolytic capacitor rated at 160 volts. Although the existing capacitor appeared good,in circuit and out, the charge-discharge time was flat as compared with a new capacitor. Plus, when the capacitor is in circuit with full voltage applied, the capacitor leaks too much. The cost of the capacitor should be under $2. It should take under a half an hour to replace. Be certain to let your set rest, unplugged, for at least a half hour before attempting to replace this capacitor. There are high voltage present around the crt even after the set is turned off. The high voltages can cause serious bodily harm. I would suggest a tech discharge the anode on the crt with a high voltage probe passing through a volt meter and running to ground. You will need a soldering iron, solder ******, solder, and I like to use a little flux for good adhesion of component to board.

Feb 03, 2008 | Standard (CRT) Televisions

1 Answer

TV Picture Reduced to Line across the Middle

This is called field-collapse. Either

1. The problem lies in the vertical deflection voltage-doubler circuit. The usual fault is a single capacitor of 100uF/35V that has failed. It is normally connected to a rectifier diode right at the vertical IC. Replacing the capacitor usually gets it working perfectly again.


2. The vertical drive IC has failed.

If you are finicky around technical work, then a reputable local repair shop in your locality should do it quickly for you and charge only labour.

Jan 13, 2008 | Symphonic ST419E TV

1 Answer

Tv problem

Bad capacitor in vertical output IC circuit + check power supply
Last, replace IC.......................T.

Nov 09, 2007 | Philips 27PT6441 27" TV

1 Answer

Sony 27" picture quality

You probably have a leaky or open electrolytic capacitor in the vertical circuit. This will require troubleshooting by a repair specialist, unless you can obtain a diagram and do a little spy work with an oscilloscope

Nov 05, 2007 | Sony FD Trinitron WEGA KV-27FS100 27" TV

3 Answers

Horizontal line in my TV.

"Guest" obviously has no idea what he is talking about. There is no such thing as "frame section" and if the vertical IC, ramp generator or vertical hold circuits were bad, you would have no vertical at all. If you mean that there are thin white lines at the top 3 inches of the picture, and the top of the picture seems folded back on itself, it means that the pump-up capacitor is going bad in the vertical output circuit. This is a very easy thing to correct but should be done by a qualified tech.

Sep 01, 2007 | Standard (CRT) Televisions

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