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Questions & Answers
My TV has a severe flicker/jitter in the bottom left quadrant of the screen. How do I fix it?
The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
on May 27, 2017
I have a Samsung LN-T5271FX/XAA LCD TV and have
Not sure if this will help, but most caps fail with the in rush of power, over and over. Sounds like they were not made right. You might try a UPS ( uninterrupted Power Supply) this may help you with dirty power from your power company. And with high spikes. Make sure you get one that will handle the TV current draw. As far as upping the CAPs keep the same or slightly high voltage and increase in uf. You might find one that has the same uf and a higher voltage rating that will handle it.
on Apr 05, 2017
Vertical lines model UA46B7000
Sounds like a T'Con board fault. If
you wish to get more details, check this link.
Selecting the view option, either to Mosaic
/ Time slide
, can be selected by the drop-down list, at the top left
of the display window
, will make surf easy. You can also do a search, by type in the brand name/model
number/IC used, in the search box at the top right of the display window. Screen-shots to defective LCDs are given in details. You can compare it with to that of yours' and can make sure about the fault.
on Oct 19, 2013
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