Question about Sony KDF-E55A20 55 in. LCD Television
Posted by Anonymous on
If you lost video and assumed the fluorescent tube was at fault, you may not have guessed correctly.
There is a power supply (normally called an inverter) which may be separate or combined with the main supply that produces the high voltage the back-light requires. The tubes, if bad, will have a well-defined dark area at one or both ends of the tube. If the inverter has failed, there will simply be no voltage to ignite the gaseous tube.
The effect is the same but the solution is different.
Posted on Jul 16, 2010
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Posted on Jan 02, 2017
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