Hi,
Thank you for asking your question on Fixya . This model TV is known for having problems with their power
supplies failing. The red light only indicated that voltage is getting
to the TV, not that the power supply is working. The TV is reset by
unplugging the TV for an hour or more. If this power reset does not
allow the TV to turn on component failure is indicated. These sets are
assembled using the wave soldering process they are known for having
cold solder connections. The safety circuitry shuts the TV set down or
will keep it from turning on when it detects a problem. This model of
TV has over 2,000 parts, which includes millions of transistors inside
the integrated circuits. The capacitors will change value, leak and become defective. Capacitor failure is common and often the cause of the power supply failure.
Resistors will change value and burn. Diodes and IC can go bad. This
may have a domino effect and cause other parts to fail. Replacing one
defective part may make the TV operate for a short time but the part
will fail again if the parts that caused the failure to begin with are
not replaced. The only way to know for sure which parts that are no
longer within factory specs and for a proper repair all the electronics
must be diagnosed by someone with the correct electronic test equipment
specifically designed for TV service and the skills to use the test
equipment. I wish I could tell you there was a quick fix or button to
push that would fix the TV but that is not the case or the solution
needed to get the TV operating correctly.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
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