Question about Philips Magnavox 27MS343S 27" TV

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Folddover at top of picture about an inch from top

Magnavox 27mt3305/17 The picture at the top of the screen has a foldover about an inch from the top the rest of the picture is good

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Replace cap. 2465 and cap. 2561. That should take care of it unless the vertical transistors are bad or there are other bad caps.

Posted on Dec 30, 2008

  • Also try replacing diode 6460. It is an smd device right around where the vertical transistors are. That should do the trick. It did it for me.

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My Toshiba mw24h63 has a vertical foldover about 6 inches high at the top of the screen. What is the cause and can it be easily repaired?


caps in vertical circuit. 100uf or 220uf . the ic is in the middle back long ic with about 10 to 12 pins on a heat sink. caps are bad and utube has pictures.

Nov 04, 2010 | Toshiba MW24H63 TV

1 Answer

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?


Hello
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. gopakumarg43@ymail.com

Oct 18, 2010 | Philips Standard (CRT) Televisions

1 Answer

I have a 20ms3442/17 the screen only shows the bottom half of the picture and the upper half is lines and a reverse image on the first half of the top of the lower half


You have a vertical foldover. Check the caps near the two vertical ICs. HMMM it does not surprise me...There could be a couple of suface mout caps. to check...I do not remember the locations at this time. But try the electrolytics...they are easy to check.

Nov 29, 2009 | Philips Magnavox 20MS3442 20" TV

1 Answer

Picture problems


There is a problem with the vertical circuit. Eventually th foldover will get worse. If you are comfortable working inside the set, with a little investigation, you should be able to resolve this yourself. If you would like to attempt the repair, update this and I'll provide additional details and instructions. Realize that this will take a few interactions to locate the defective part.

Dan

Jan 29, 2009 | Standard (CRT) Televisions

1 Answer

Hoizontal Bar across RCA Model 24F501TDV Color TV


you may need to change your resolution on tv settings as well as cable or satelite settings if you have one of those

Dec 12, 2008 | RCA 24F501TDV 24" TV

1 Answer

Picture beginning to fail


There are some components it the vertical deflection amplifier area that are becoming thermo sensitive with age. It is also possible that there will be parts going off value in the power supply and other areas.

These problems are typical in these sets when they are aged. The cost of the repair may not be worth the investment.

You should take the set in to a service center for an estimate.

Jerry G.

Jun 12, 2008 | Philips Magnavox 20MS233S 20" TV

1 Answer

Wide black area top of the screen.


More than likely it's not the crt. If the picture has "foldover" at the top of where the picture is currently, then more than likely there are bad caps. in the vertical scan circuit. If not, the vertical sizing probably just needs to be adjusted. You will have to get in to the service menu to do that.

May 26, 2008 | Philips Magnavox 27MT5405 TV

1 Answer

Philips magnavox 32" TS3260C1


Sounds like retrace lines. Leaky caps or worse can cause this.. Are you getting any vertical foldover at the top of the screen?

Jan 18, 2008 | Philips Magnavox 27MS343S 27" TV

1 Answer

DS25390 Verticle foldover


If you have a picture but the top is folded over, your vertical IC is probably good and you need to replace the pump-up capacitor next to the IC. When the pump-up cap (typically a 47 or 100uF 35V cap) is open then the picture will have white lines and foldover at the top. The typical vertical output IC is the LA7838, but I am not familiar with exactly which output IC your set uses.

Jul 02, 2007 | Sanyo DS25390 TV

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