Question about Philips 42PF7220A 42 in. Plasma Television

5 Answers

Philips 42PF7220A/37 Red Light blinks 5 times in a row

TV will work for about 4 minutes, then it will turn off. The green light (power on light) goes off. Then a red light flashes on 5 times in a row, then pauses and repeats. While this is going on, I hear clicking sounds inside the TV like its turning itself on and off.

 

Philips tech support said it had to do with a power source problem but to be sure, take it to a Philips authorized dealer. I called 2 and they said I was looking at $950 to fix it.

 

I took out the fuses and tested them, they were all good. Is there a part I can replace?

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  • TimKo Jan 31, 2008

    i have experienced the same problem. Did you have it fixed? If so what was the solution?

  • Jerry Ram Feb 09, 2008

    I have the same problem. Just happened a few days ago. No warning. Have had the TV about 15 months. Now when I turn the TV on, the green light comes on then I hear some clicking and after a few seconds a red light begins to flash 5 times. Then it stops a few seconds and the red flashes repeat.
    To repair it, they have quoted me around $ 600+
    Does anyone have a fix for this?
    jozefram@hotmail.com

    Jerry

  • DavidRXrep Feb 13, 2008

    Original Poster here. The repair guy said one of the motherboards burned out. He said he could replace it for $900 but there was no guarantee that one of the other 6 motherboards wouldn't burn out soon. Since I purchased my TV at Costco, I was able to return the TV for a FULL refund! I used that money to buy a Panasonic Flat Screen Plasma and it looks great!



    One final thought. I mounted the first TV on the wall. My feeling is that there isn't enough ventilation to cool off the TV because there is less air flow. My new TV is mounted on top of a table, about 2 feet from the wall. It would be interesting to take a non-scientific survey to see how many of you also mounted your TV on the wall.

  • 42TV Feb 26, 2008

    Same problem I wonder how long did you have your TV when you returned it to costco

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I purchased a manual online and found my solution in it.
I have a Philips 42PF7220A/37 Plasma TV. The TV worked great one evening, I watched a movie and turned it off. The next morning when I turned it on, the TV didn't have a picture, the green power light came on and after a little while it went off and then I got the red flashing LED. 5 Flashes, then 2 seconds nothing and then it repeats. According to the manual this indicates that there is a severe hardware problem. Didn't sound good to me.
However, further in the manual it had some repair tips. I thought I'd give it a try.
It has to do with an audio DC protection (DC Voltage on the speakers) which cannot disappear.
The manual says you'll probably get error 12 blink???
The solution is; disconnect the cable between the SSB and the Audio PWB and also the cable between the Main Power Supply and the Audio PWB. In my case that disconnected every plug on the Audio PWB. On my TV the Audio PWB is located Top Right, it is a small board of about 6x3" I then Powered the TV and the TV initialized. I was then able to get the Menu via the remote. I then turned the TV off, connected the antenna and turned it back on. To my surprise it worked again. Picture and sound. Thank you very much, it probably saved me about $ 750.-
I don't quite understand how this could happen, except that the night before I muted the TV. After about 15 minutes or so the sound came back on, so I muted it again. After that I turned it off and you know the rest.

Posted on Feb 11, 2008

  • Jerry Ram Feb 12, 2008

    Sorry to report that the solution I posted yesterday is not it. When I turned the TV on this morning, I got the dreaded 5 red flashes again. In retracing what I did, I figured out that when I get Protection fault (5 red flashes) I can get into the Service Default Mode (SDM) by shorting the two solder points on the SSB with the indicator SDM. They are located just outside the shielding on the IE63 tab. The TV then starts a series of clicking until finally the green light stays on. During the next hour or so something heats up, haven't determined yet what. When I pull the AC plug and then re-insert it the TV starts up normally and the picture and sound work again.

    Any help in determining what might be the cause of this is appreciated,

    If I come up with anything further, I will post it here.



    Jerry

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TimKo, my TV went on the fritz about 18 months after I bought it from Costco. A friend of mine told me that at the time I bought the TV, Costco was giving its customers a 2 year warranty on all electronic products. But since so many people were bringing in their broken electronic products after a year and upgrading their merchandise ( a lot of improvements happen in a year, and the price doesn't always go up), Costco stopped giving this warranty. Now, you can get the "conceirge" warranty that they offer.

Go to Costco and check it out. If you buy from them, keep the Owners manual, all the chords, stands, etc so if you do have to return your TV, they won't give you a hard time. I wall mounted my TV and threw away the stand. I almost did not get my refund.

Hope this helps! DavidRXrep

Posted on Feb 29, 2008

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After a lot of research, I have been able to locate the part which in my Philips 42PF7220A/37 Plasma TV appears to be the problem. I found out that heating and cooling certain parts of the board(s) allowed me to get beyond the 5 flashes error message and power up the TV. Through a process of elimination, I narrowed it down to the SSB Tuner board 3104-313-60376, This board is located behind the board covered with the shield. The specific component in question is the one I have circled in red on the attached photo. It is a crystal Xtal 27 mHZ 18Pf PART# 2422-543-01397. When I spray this component with cold air (freeeze) for a couple of seconds and then plug the power back in the TV will go through it's initialization cycle and turn on. It may turn off automatically, in which case, you just power it back on either manually or with the remote. It has now been 7 days, and it hasn't failed since. I have NOT replaced the part, if it fails again, that will be my next step. The part is about $ 10.00. The entire card can be purchased for about $ 100.-
I am reluctant to do anything further, because I'm not positive that the component is the problem or possibly the input to it. What I do understand is that a crystal can be excited (turned on) by either heat or cold. Perhaps it was stuck and spraying it with cold and heat released it. In any event, the TV is working for now. Hopefully it will stay this way.
If anyone can shed some light on why this may have happened, I would appreciate it.Philips 42PF7220A/37 Red Light blinks 5 times in a - 1670792.jpg

Posted on Feb 28, 2008

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Timko how did it go?

Posted on Feb 28, 2008

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Mine was mounted on the wall. I am having someone take a look at the TV on Friday.

Posted on Feb 13, 2008

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Posted on Jan 02, 2017

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SOURCE: Philips 42PF7220A 42 in. Plasma

I had a Similar problem where I would turn the tv on and the green light would come on and then the red would follow and blink 7 times. I tried unplugging it and then then replugging it back and it would still do the same. What I did last night was that I unplugged it and then replugged it back, when I saw the green light, I would unplug it again, till the light went out and replugged it, I did that 3 times in a row, and waiting and it came back on. Hope that works. I still don't know what caused the problem to begin with..

Posted on Apr 08, 2009

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