Http://boardreader.com/thread/Sony_KDF_50E2010_Red_Light_Flashing_Twic_88i6rXveyt.html
Please view this thread and especially answer number 3
SOURCE: Have a Sony Bravia KDF-50E2010
Unfortunately from the description it sounds like the bulb has died. The red light is the customary indicator of a dead bulb. Usually you will get a warning from the TV but that is only a timer based warning and doesn't reflect the actual bulb life.
These are not cheap bulbs but you can find some excellent deals on-line if you search the model number of your TV in your search engine. I would caution you against anything that is "remanufactured" or "rebuilt" as these have questionable reliability and generally a shorter life span which will negate the cost savings.
SOURCE: I have a kdf-50e2010 over
The voltage detector circuit is faulty thus sensing an error by its own failure. Hence the unit will power off or trip the circuit. You will need to check the voltage comparator circuit- knowledge of electronics is important to check the devices to confirm.
SOURCE: sony kdf-e55a20 no picture red lite
In most cases the standby light might blink with different rapidity to indicate a fault relevant to the processor. It is possible that most of these indicate that there are errors in the processing section . Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail. The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.
SOURCE: sony bravia KDF-50E2010 RED LIGHT
Sony TV LED & Blinking Codes -
What Does It Mean When Standby/Timer Light Flashes Sony has provided a "self-diagnosis function"
with your TV, that in the case of abnormalities or problems the LED or
red blinking light on the Timer/Standby indicator flashes a number of
times to indicate the issue.
when there is trouble with your
Sony Television set -- it indicates the issue in either the diagnostic
mode, or even more commonly by flashing a series of LED blinks or
flashes on the front of your television. Each set or frequency of the
blinks indicates a very specific problem with the television itself.
Sorry but unless you may be able to repair the television set yourself , please call a local repair shop
to the have a repairman sent out,,
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