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RCA Tru-Flat, Model 20F512T, 20 inches. There was no picture on the upper half of the screen, only lines were appearing. In the middle of the screen, there is an inverted picture (around an inch-- height). What would be the possible cause and parts to be replaced to solve this problem. Thanks.

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Possible vertical collaspe.

Posted on Aug 23, 2008

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I got my 20 tru flat rcathe problem is wen i want to turn on the tv manually doesnt work only with the remote and the screen displays fpa locked on how you can help me thank you


try to get to the menu's with the remote, then with that go to the locked section or security. look for front panel access or something along those lines and enable it.

Jun 25, 2010 | RCA 20F512T 20" TV

1 Answer

No picture in upper half of screen, normal at bottom


Could be something as simple as a bad contact on one of the deflection yokes or other coils on the cathode ray tube - check the contacts on the circuit board where these coils are connected, resolder the pins or wires if the contact is bad, also check connector pins for any dirt or oxydation and clean if necessary.

Read more about this kind of problem at:

http://www.repairfaq.org/sam/tvfaq.htm#tvpopco

Hope this helps somewhat.

regards

3rq8 (Triarcuate)

Sep 04, 2009 | RCA 20F512T 20" TV

1 Answer

Black box center of screen


It sounds like closed caption is turned on in the text mode, go to the menu and turn off closed caption.

May 22, 2009 | RCA 20F512T 20" TV

1 Answer

I have an RCA model 20F512T and the screen is tinted green


maybe you should check your picture settings from the menu button, it should be a "slider" from red to green, and your preference somewhere near the middle.

Jan 26, 2009 | RCA TruFlat 27F520T 27" TV

1 Answer

Green picture


a green screen on power up with retrace lines. At shut down a point appears in the middle of the screen. Sounds like either a shorted G2 grid, or bad flyback. If a phospher flake has shorted the grid in the tube, you can sometimes have luck by using a megger set at 1000VDC, to burn away the short. This is usually caused by the line HV going too high causing the anti-UV protection to kick in so fit a dummy load 40W lamp instead to the line output to allow measurements to be made.

Oct 19, 2008 | RCA 20F512T 20" TV

1 Answer

RCA F27442 27" TV - topper half screen stripped and bottom-half is still good


check for bad c14505 220mf.
or u14501 vertical output ic.

Nov 04, 2007 | RCA F27442 27" TV

1 Answer

Screen on rca tv compressed into 2 inch line in middle


The 20F530T uses the relatively newer ITC008 chassis. If the picture collapses down and only a small bright line is visible, it means that your vertical output IC has stopped working correctly. This could be due to a defective IC, cracked solder joints on the IC or the power supply that feeds it. The IC should be replaced or resoldered and/or the vertical power supply restored by an experienced tech familiar with the new line of RCA TV's.

Aug 10, 2007 | RCA 20F530T 20" TV

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