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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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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Panasonic M#35G25B picture goes to single horizontal line but sound still good. We can bump side of tv and restore picture. Problem is becoming more frequent. What would cause this and is it something we...


Assuming this is a TV with a picture tube, it is most likely a vertical deflection/drive fault, caused by a number of components including (but not limited to) the vertical IC. Dry solder joints and/or hairline fractures within the copper tracks on the board can cause the vertical collapse as well as leaky diodes and faulty resistors. (dry joints are usually the most common causes of circuit failure - before component failures) Non-electrolytic capacitors which are also in the vertical stage can affect the output when they fracture.

** It would be a good idea to check the board thoroughly for dry solder joints before considering replacement of any parts on it. **

Unless you are tech. savvy, and have some experience with electronic circuits, particularly TVs, this is not something you should try to repair yourself. Send it to an authorised repair centre for a quote and second opinion, then make a decision afterwards - up to you.

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One day my tv started having white lines in various places, then one day the scrren went white but still has a small line across the top that works fine


Hello,

The problem is "Vertical Over-drive" and the white lines are vertical retrace lines. What has happened is a component failure between the vertical oscillator and the vertical driver circuit. The component is usually a capacitor that is leaking and allowing voltages to appear where they shouldn't be.problem component is leaking and allowing DC voltages to appear where they don't belong. It's causing the vertical driver transistor to run "flat out" and will ultimately burn out the transistor from internally generated heat.
Hope this help....

Jun 18, 2010 | Televison & Video

1 Answer

Vertical line across picture tube on my Symphoic model WF2703.


Is it just folded over with a thin line of light thru the middle of screen. It is a vertical collapse. Vertical Ic is loosing connection with the board or failing Already. resolder first then see if it can actually solve it. If not check capacitor or neighboring components within vertical circuit or replace the vertical IC and check if this solves the problem.

If your not inclened in electronics, have it service by a qualified one.

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2 Answers

Vertical Collapse


genrally vertical collapse indicates failure of virtical ic. or related components

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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

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1 Answer

Connecting component video YPbPr to TV with BNC port for RGBHV


No, this will not work. Picture will roll vertically. Originally they intended for HDTV to be red,green, blue, & Horizontal, Vertical sync. That changed after the first generation mitsubishi's.
In the service menu you can change the settings for the HDTV Input. Try that first by "Hitting menu button followed by 1259" or menu 1257. Let me know how that works for you, If you need a different code for service menu...contact me again and i will look it up for you. But the answer to your question is you can make it work or you can purchase a 300.00 box that will allow you to switch to that input thru..mitsubishi.tv.com
Good luck and keep me posted. GURU JAY

Dec 08, 2007 | Mitsubishi VS-50605 50" Rear Projection...

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 | Televison & Video

1 Answer

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You have bad solder connections on the vertical output IC or on one or more of the surrounding components. Good Luck

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