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Picture up side down vertical retrace lines - Televison & Video

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Upside down picture is due to the connection reversal to vertical scan section winding at the deflection yoke.
If you wish to know more about retrace lines, and the repair work to it; visit this site. http://electronicshelponline.blogspot.com/
Reasons for retrace lines are given with illustrations.

Posted on Mar 30, 2015

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Posted on Jan 02, 2017

SOURCE: av32d305 yaa retrace line on the top of the picture

yes on the top of the picture

Posted on Nov 29, 2007

  • 4234 Answers

SOURCE: RCA 24V511T Vertical problem

There is a problem with the vertical circuit. In many cases this is either poor solder connections or a defecitve vertical IC. If you can solder you should be able to fix this yourself. Please note that there are potentially dangerous high voltages present inside the set even when unplugged. Let me know if you wish to attempt the repair and I'll provide additional details and instructions.

Thanks,
Dan

Posted on Jan 30, 2009

  • 26 Answers

SOURCE: JVC Television Model AV 27820

One or more of the electrolytic condensers near the vertical ic are bad

Posted on Nov 20, 2007

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My tv sony kv-xa21m61 display too bright and many horizontal lines. no picture


Vertical retrace lines is the problem. Thin white lines runs across the entire screen, at about an inch apart to each other. Check its video output supply voltage. Reduce the screen voltage to a little bit down and check. If you still wish to know more about this fault, check this site. Pull up older posts there.

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If retrace lines are across entire screen---likely the master screen control on the Flyback is set too high--causes excessive brightness and the retrace lines.

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Hello
The fault is with the vertical output section of the TV. The lines you see at the top side, is technically called 'vertical retrace' lines. The main cause to this fulat is with electgrolytic capcitors at the vertical output section. Repalce all the electrolytic capacitors at this section. There will be 5 or 6 numbers of them. Repalce all at the same time. This must solve the problem to your TV.

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2 Answers

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JVC Television Model AV 27820


One or more of the electrolytic condensers near the vertical ic are bad

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1 Answer

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it's called retrace lines ,your screens are set to high or focus block assy which has the screen adjustments on it also is faulty

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