Question about Philips 42FD9954 42 in. Plasma HDTV
I have a 42 in plasma TV but when I turn it on the LED light will go green like it will come on then after 7 or 10 seconds it will start flashing orange and it will not turn on
The problem is in the standby power supply. the standby power supply generates the 9 volts and the 5 volts requird by the tv. If you measure the 9 volts source, with only the red light on, the correct voltage is 9 volts. However if the 9 volt measures 6.5 to 7 volts it is too low and the startup relays cannot operate. My set is a model 42FR9954/17S. In this set if capicator, 2603, is heated the voltage climbs to 9 volts and the relays work. If cold air is applied to the capicator the relays fail to operate. Replace capacitor 2503 and the problen is fixed. This capicator is: 47 Ufd, rated @ 450 volts, and is 20%.
Posted on Nov 15, 2008
Start by grabbing a hair dryer and warm up the power supply board.
If the set starts then replace all the electrolityc caps in the power supply.
If this does not cure the problem then check the y sus board and the z sus board.
Posted on Nov 10, 2008
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Posted on Jan 02, 2017
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