Question about Sony BRAVIA KDL-52XBR3 Television
Posted by Anonymous on
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Posted on Jan 02, 2017
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
Check the 3.3 v standby voltage is there or intermittent low, We found the capacitor C9101 on the H2 board (LED/IR Board) has leakage that will cause this problem.
Posted on Oct 12, 2012
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