Question about Sony BRAVIA KDL-52W4100 52 in. LCD HDTV
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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 connections between the cable box and the TV. If you are using scart check the connector is in squarely if using rgb or composite you need a separate audio connection using the red and white phon sockets.
Posted on Nov 08, 2009
SOURCE: No picture or sound. Red light
Just a correction, it is not necessary that 4 times red light blinking always shows inverter board problem.
It depends on chassis/ model number of Sony bravia tv to what is error code of 4 blinks as it would be mentioned service manual.
I'm Sony tech and can help you, let me know model number written at back of tv to provide you exact info about 4 times red light blinking.
Posted on Aug 18, 2010
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This is a rare problem ............ i faced similar kind of problem
i solved my problem with the help this repair guide you can also try this out i hope this will help you a lot .......
all the best
click here to download repair guide
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