Question about Philips 42FD9954 42 in. Plasma HDTV

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Power cannot start red led blinking

Philips plasma 42FD9954

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Check the power board for caps with the tops bulged up. 3300uf 10v.

Posted on Jun 01, 2009

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Posted on Jan 02, 2017

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3 Answers

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.

Jun 15, 2014 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

My Plasma 42FD9954 42 TV doesnt work


Familiar problem on Philips Plasma units. PSU or Sustain board failing.

Jan 16, 2013 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

UPON TURNING TV ON RED BLINKING LIGHT COMES ON, CAN NOT SHUT OFF TV,NEED TO UNPLUG POWER SOURCE


you have a problem in the power supply module more then likely their a caps blown they will be obvious tops blown off or busted open youll have to take back off look on module in the middle

May 06, 2010 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

When I turn on the unit I get a green light, but after about 5 seconds it switches to red blinking and I do not get a screen


What is the model of TV?

The Red blinking light is a Protection Error Code. Your Tv needs repair. Most common is the power or Main Unit / Logic Board.

Post your model and how many times the light blinks. Also try unplugging for about 20 min and see if it will turn on.

Some models you get lucky and its a common problum which makes for an easier diagnosis.

Check
RNS-Systems.com
for general pricing on LCD and Plasma TV parts.

Oct 14, 2009 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

Philips Plasma NO LIFE


Are all the caps good on the PSB.? Most sets have Samy boards and they used very shotty capacitors. Some show NO visual clues of being blown as in poped at the (X) top. They just vaporize/dry out. Do you have a cap tester?


Best Regards and Semper Fi

Feb 08, 2009 | Philips 42FD9954 42 in. Plasma HDTV

2 Answers

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%.

Nov 08, 2008 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

Philips 42fd9954-175


Hi, and unfortunately I am facing the same issue. My TV blinks GREEN LED for a few seconds then starts flashing RED led. The result I hear from this is that it is the SSB Panel and the estimated cost for service is $600.00 it sounds like you are STARTING with the problem. I began that way too. If you are under warranty, call Philips NOW!

May 13, 2008 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

Any ideas?


1) Replace C2663 by 2020 021 91677 (100uF/50V, 105°C).
2) Place Schottky diode 9336 247 60133 on pin 7 (+) and 8 (-) of IC7650,
to avoid negative pulses, resulting in this bad startup behaviour.

Mar 25, 2008 | Philips 42FD9954 42 in. Plasma HDTV

1 Answer

Philips Plasma NO LIFE


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?

Dec 21, 2007 | Philips 42HF7444T 42 in. Plasma TV

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