Question about Philips 42HF7444T 42 in. Plasma TV
Problem: A philips 42FD9954/17S Plasma tv set that has no picture. The set cannot be turned on by the remote or the power switch. The light at the power switch does not come on red or green. I have opened the back of the set and tested the fuses and they are good.
I had the same problem (with 42FD9954/17S) that when turned on the unit, the green LED turned off and came back to red again some time later. I kept turning it on and once it went to a clicking relay sound and blinking green LED with it. It did that for a while and stayed turned on. I noticed that it is temperature sensitive. Colder the room is more often does it. Used a hair dryer and blown hot air into the unit at the left bottom grills. It helped and started to tun on quicker. Later it has deteriorated so bad that I took it a part and after several ice spraying test showed that on the middle big board (power board) there was an electrolyte condenser went bad. It is the one one which is at the middle, bottom center of the board near the fixing screw. There are two of them (cylindrical objects). The left one was the culprit. However when I fixed it, it turns on immediately but goes blinking red after that. Phillips say it is a static discharge problem. I might blown something when soldering the parts. I don't know what. Any ideas?
Posted on Feb 08, 2009
SOURCE: A PHILIPS 42FD9954/17S PLASMA
Does no picture imply that you have sound? Or it just turns on with no picture and no sound? Please clarify this info so that I can help you resolve you problem. It sounds like a audio/video mainboard issue. Just want to be sure.
Posted on Nov 24, 2010
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