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Re: screen on rca tv compressed into 2 inch line in...
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.
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do the proper isolation proceedure and try unhooking the Su from the SC board to see if you then get a normal picture all the way across the bottom half of the screen? I am assuming the Vertcal extends extends all the way from top to the bottom of the screen?
If there is a white line across the screen, the vertical output section of your TV is faulty. If the line is vertical at the middle of the screen, horizontal deflection yoke doesn't get sweep signal. You haven't mentioned about the full mode number of your RCA TV. Therefore I can only give you this much hint. OK.
Uh-Oh.. Sounds like the BGA RAM in the video circuit. (These units are Intel based and Core 2 duo if posted correct).. We can repair if you need help and its under warranty and sorry its not a home remedy situation..
This is a straight forward repair & wont be expensive.
The problem is either dry joints on frame chip or component going thermal and failing at a certain temperature.
Cost for repair will be between £35.00 to £55.00 ask for a quote first.
yes it can still be fixed! the pop sound you've heard maybe came from a blown capacitor in the vertical deflection circuits. this symptom, sometimes called the tube light effect, it is characterised by a bright thin horizontal line across the middle of the screen. this symptom is caused by a breakdown in the vertical deflection circuit. hence maybe the trouble maybe in the vertical oscillator, amplifier or output circuits. but if all i have said is not clear to you, better bring it to a qualified tv technician. good luck!