20 Most Recent Philips 42FD9954 42 in. Plasma HDTV Questions & Answers

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42FD9954 philips plasma TV flashing LED it wont come 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%.

11/5/2019 7:21:11 AM • Philips 42FD9954... • Answered on Nov 05, 2019
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Looking for a stand

10/27/2017 10:56:28 PM • Philips 42FD9954... • Answered on Oct 27, 2017
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I have a 42fd9954/s17 plasma.

Check for bulged electrolytic caps on the power supply, then replace them, or replace the power supply.
6/11/2015 4:57:29 AM • Philips 42FD9954... • Answered on Jun 11, 2015
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Why does my tv not have a port to screw the cable connection to it

Are you sure that it's a TV and not a computer monitor?? A monitor will not have a coax connector on it as it's made to connect to a computer..
9/6/2014 4:26:19 AM • Philips 42FD9954... • Answered on Sep 06, 2014
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42fd9954

Not a fix, but it got my tv on.
I removed the back and tried the power switch.
I located the relay that was clicking.
I have two blue relays in the middle of my power board.
I placed a hair dryer over the relay for a few minutes.
After four tries of the power switch and it stays on!!!!!
Heat keeps the relay from just clicking off.
I don't know why.
This will at least get the tv on though.
7/9/2014 4:02:33 PM • Philips 42FD9954... • Answered on Jul 09, 2014
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The red light goes green then flashes red

This is a error code more than likely a power issue. Check the power supply of the Philips web site for the error codes.
6/17/2014 12:30:46 PM • Philips 42FD9954... • Answered on Jun 17, 2014
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Philips 42FD9954/17 Power Problem, will not turn on.

I repaired this model TV for a friend. The red standby LED would take about a minute to come on, and most of the time the TV wouldn't turn on even after it, and the relays would engage/disengage rapidly when it did try to turn on. After reading about the capacitor problems, but not finding any obvious physical issues with them (and not having a way to readily test capacitances) I went ahead and replaced all the Rubycon branded caps on the power board. This solved the problems - the red standby LED comes on immediately and the TV turns on like normal with a single click engagement of the relays. It seems the problem is just the low quality/defective/bad run of capacitors. I spent about $40 on capacitors at a local electronics supplier, but probably could have spent half of that if I hadn't wanted them right away and ordered online.
3/7/2014 6:40:59 AM • Philips 42FD9954... • Answered on Mar 07, 2014
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No ensiende

If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/
1/20/2014 5:51:10 PM • Philips 42FD9954... • Answered on Jan 20, 2014
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PHILIPS 21PT2304 NO SOUND

Check its speaker. If found OK, check and replace damaged component/s at its audio output stage circuit. If you wish to get some details, check the site linked here. Pull up older posts.
12/8/2013 1:15:24 PM • Philips 42FD9954... • Answered on Dec 08, 2013
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