Question about RCA 27V520T 27" TV

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27v520t black space at top of screen 2" picture moved down

Posted question earlier. Answer was that I have a Vertical Collapse problem and internal components need to be changed. What would the component be, and could a person that knows somethings about electronics change out the component themself?

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Re: 27v520t black space at top of screen 2" picture...

You need tech person. 1 you will have to check specially electrolytic capacitor in vertical section.

Posted on Sep 18, 2007

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You posted this in the wrong category. Use the correct one to get an answer

Jan 14, 2014 | RCA 27V520T 27" TV

2 Answers

Straight line in the middle of monitor. picture srunct

This is called vertical collapse and the most common cause is a failure of the vertical IC. If you can update this with the model number, I should be able to provide the part numbers and costs for the parts required to fix this. Also, if you intend to repair this yourself, please indicate thtat as well. The parts will cost around $20 or so.


Dec 08, 2009 | Sansui 27" TV

1 Answer

Zenith picture problems

Your TV is showing signs of age. It's displaying something called "vertical foldover" which is due to capacitors in the set's vertical output section that need to be replaced. These failed parts can stress the vertical output integrated circuit, and if that goes bad your picture will collapse to a thin horizontal line. The capacitors themselves (usually 3 or 4 need to be replaced) are pretty cheap. A TV shop in your area (if there are any still around!) could fix it and the repair should be under $100.

By moving those rings on the tube's neck (which is actually the back) you have messed up the set's convergence. Those rings are magnets which adjust the electron beams in the tube so the red, green and blue images line up correctly on the tube face. The rings are often marked with a stripe after adjustment to show how they were lined up. Look carefully at them and see if there are any marks you can go by to reset them. To properly converge the set some equipment is needed to generate the adjustment test pattern. Again, a shop could do it for you.

All things considered, at this point you might seriously consider replacing the set. Not because the troubles aren't fixable, but because other parts can start failing because of age, and by now your picture tube is on borrowed time as well.

Apr 13, 2009 | Zenith C27A24T 27" TV

1 Answer

Picture size is shrinking within screen

hi there, you have vertical section prob., repalce imeditely the electrolytic capacitor at the vertical section. do some test and check up. ty

Feb 18, 2008 | Philips 27MT3305 27" TV

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

2 Answers


civilman, the first set has either no high voltage or is collapsed vertically, until someone checks for high voltage there is no concrete answer, the AV27730 is vertical collapse from your description, either the voltage to the vertical IC is missing or the vertical IC has failed, not a big deal cost-wise, hope this answers your questions, if not e-mail me back, good luck, BMW Rider

Dec 20, 2007 | JVC AV-27730 27" TV

1 Answer

2-inch picture stripe in middle of screen.

deight, your set is going into total vertical collapse, either the vertical IC is failing or some support component to the vertical circuit is failing, should not be an expensive repair, hope this helps, BMW Rider

Dec 12, 2007 | Sylvania 6419TA 19" TV

1 Answer

Rca 27v41st blue at top of screen, picture moved down

No, you have a vertical collapse problem only correctiable by changing internal components. Sorry :-(

Sep 14, 2007 | RCA 27V520T 27" TV

1 Answer

Mitsubishis TV Problem

have a Mitsubishi TV 1993. Model CS-35301. The problem is that there is a white line that is running through a blank screen. The sound is fine just no picture. Have you heard of "Vertical Collapse?" I would love to save the TV. Hi nothing to worry just minimise brightness to avoid screen burn. "Vertical Collapse?" means one bright hor.line in the middle of screen. this problem can be solved 1 check vertical yoke connector or wire loose 2 check supply to vertical section which normally comes from EHT transformer check components in vertical section or print loose regards thanks

Sep 10, 2007 | Standard (CRT) Televisions

1 Answer

Black horizontal lines across bottom 1/3 of screen

This is due to vertical section failure. Change the vertical supply rectifier diode and supply filters. Then check zener diode leakage in pumpup circuit section. Also check any electrolytic capacitors leakage in vertical section. If it is old model tv change vertical height, vertical lenearity presets also. I hope given details useful to you.

Aug 23, 2007 | GE 27GT722 27" TV

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