Question about RCA 27V520T 27" TV

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Tv popping with lines horizontally but does not do it when watching a dvd. 39 inch toshiba with glass picture tube

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Poor TV reception or if it's the tuner put a cable box and bypass the tuner

Posted on Sep 28, 2009

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Posted on Jan 02, 2017

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I have a tv that has line going side to side


The line is horizontal but means no vertical deflection (set deflects picture from middle to top and bottom.

Either bad solder connections at vertical output chip or a bad part somewhere in that circuit.

Jun 16, 2012 | Toshiba 26 inch HD monitor TV, DVD and VCR...

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White lines across tv screen


Without seeing the lines I can't be sure what your set has wrong, but here are a some possibilities:

If the lines are lines are confined to the top inch or two of the screen and the picture looks otherwise normal, the trouble is bad capacitors in the vertical output circuit. Fixable by replacing the bad parts.

If diagonal lines are across the entire face of the picture tube and the picture looks washed out, the trouble is often a bad capacitor on the 200-volt line to the picture tube. This may be on the main circuit board near the horizontal output transformer, or on the small circuit board plugged onto the end of the picture tube. Again, replacing the bad capacitor can fix this.

If your TV is actually an RCA, someone may have bumped a rear-panel adjustment. On the back of the TV near the bottom right are two small knobs. RCA left these adjustments exposed inside of putting them inside the set like other manufacturers. These sometimes get bumped if someone was behind the set cleaning, or if a pet got back there and hit them with a tail. The top knob adjusts focus, and the bottom knob adjusts something called G2 or screen voltage. If this gets turned up too high it can cause the faded picture and diagonal white lines. Turn the adjustment down until a black screen looks black instead of gray.

A bad picture tube or horizontal output transformer can also cause lines through the picture. If this is the case with your set, it's time for a new TV. The transformer is relatively inexpensive but labor costs aren't, and the repair bill may exceed $200. If the tube is bad, there's no point even considering repair. The tube cost alone exceeds the cost of new TV.

Hopefully your lines are easy and cheap to fix. Good luck, and thanks for using Fixya!

Jul 22, 2011 | RCA F35673MB 35" TV

1 Answer

I have a Toshiba 36"


Resolders the FBT-(flyback tranformer).Resolders the video board connections sockets holes,that the board connected to the CRT-(tv tube).Plug in the tv,to have power to the tv,take out the tv video board,for exposer of the CRT-(tv tube).Take an electrical wire with a good insalation in it,grounded to the tv steel frame some where.Take the other end of the wire go toward the open high voltage CRT-(tv tube).U will hear a pop sound,than ur tv CRT-(tv tube) is a 100% clean out of contaminations or u will hear a deeing sounds only,mean the tv CRT-(tv tube) it is to old to pop anymore,just let tv deeing sounds going on for like about 20 mins to rejuvenated the old CRT-(tv tube).After this repluging the tv video board for a tv signal and readjust the button on the FBT-(flyback tranformer) that said focus to fix the CRT-(tv tube) focus problems.

May 01, 2011 | Toshiba 36A40 36" TV

1 Answer

We have a 27" MTS Stereo color TV. There are white horizontal lines at the top of the screen. We do have a DVR with Direct TV. How do we fix?


U can't.Only horizontal lines on the top parts of the tv screen or the lower parts of the picture screen.Or very light horizontal lines mix in with the tv screen pictures.The "CRT" the picture tube is slowly dying of old age.Quicker than they supose to.The late 90" these problems case show up alot more in standard tvs using CRT tube.Because the CRT and analog design about to be faze out of the market place.The glass molding and those radiation matrials,they used to make those "CRT" picture tube materials,not as good as before.

Aug 03, 2010 | Sansui Televison & Video

1 Answer

Horizontal line in toshiba TVs


its the horizontal output IC

Feb 14, 2010 | Toshiba 28N33 28" TV

1 Answer

Toshiba 26 inch lcd tv/dvd combo lost picture


I have same problem with a 7 month old Toshiba 26LV610U LCD TV/DVD combo.

Feb 10, 2010 | Toshiba 26HLV66 26 in. LCD TV/DVD Combo

1 Answer

Horzontal lines across top 2" of screen on both my Toshiba TVs?


it's NOT the "tubes" (the glass picture tube you view) this is 90% of the time a capacitor in the vertical circuitry. A good TV tech can find and fix this issue for probably a little less than $100 per set at the most.

Feb 10, 2009 | Toshiba 27AF44 27" TV

1 Answer

Video input


Needs Hyper board repair = replace bad caps
PCB not available to buy outright........................T.

Nov 10, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

Horizontal line (with about an inch of picture)


check a capacitor on the horizontal section

Oct 28, 2007 | Toshiba 27AF43 27" TV

1 Answer

Toshiba 32A43 Horizontal Bars, pop, no picture.


First of all, there is no such thing as a "high power flyback converter". There is a flyback transformer, but if it was bad you would have absolutely no picture at all. The fact that you dont even know what the basic components are suggests that you should not be "diving in" to someone else's TV. Do everyone a favor and allow an experienced tech to service the set.

Jul 24, 2007 | Toshiba 32A43 32" TV

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