Question about Sony BRAVIA KDL52XBR2 Television
I am currently experiencing a major issue with my screen in that after a very short time of the TV being turned on, the appearance of 6 evenly sized transparent horizontal bars appear. The TV was purchased in June 2007 and this problem was inherent from the onset. The TV was repaired under warranty and the technician replaced an entire board of some type. The fix was very short term as the lines appeared only after a few months of usage. The TV is no longer under warranty. Is anyone familiar with this issue? Any recommendations on how this can be fixed inexpensively? If this board would need to be replaced again, any idea the fees associated with this repair? Any insight would be greatly appreciated.
The problem sounds like hum bars that is the term when ac power is leaking on to your set from the power supply in simple terms .
televisions have a switch mode power supply and the front stage of this is the AC filter one or two large capacitors that block the ac from your set these are set across the + and --_ terminals of the Bridge rectifier the device that converts the AC into DC .. this is not a fault that should be re-ocuring so often especialy with this age of set , unfortunate that this was only repaired so recent but a new board may not realy be needed here just a few components I suggest you get a free estimate done on your set , warranty work and insurance work is always loaded , but private work has to be competative give it a try you may be pleasently surprised
Posted on May 13, 2009
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Posted on Jan 02, 2017
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