Question about Sony Bravia V-series Kdl-52v5100 52-inch 1080p 120hz Lcd Hdtv, Black
Fault with the main power supply regulator 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. Surf the site with patience. 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.
Contact the authorized service centre; to buy a genuine PS board.
Posted on Nov 22, 2014
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Posted on Jan 02, 2017
SOURCE: Sony TV KDL-32L4000 Turns Pink
My Sony tech says it's most likely a bad cable box. Try a DVD and if the DVD is fine then it's for sure your cable box. Needs to be replaced by the cable company.
Posted on Aug 10, 2009
Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.
To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).
Posted on Oct 07, 2009
That symptom may cause by the main board or t-con board, I suggest you do software up grade first.
Posted on May 07, 2010
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