Question about Philips 55PL9773 55" Rear Projection Television
I'vd had this televsion for 4 years never had a problem. The television turns on and the imagine starts to show, when it immediately turns off by itself. I have tried to unplug the television and turn it back on but it does the same thing. What do you think the problem is?
Probably a bad lamp. The lamp is the number one cause of failure for this set. The good news is that these lamps are user-replaceable. Just open the sliding door on the back of the set and unscrew the two thumbscrews that hold the lamp into the light engine (the big black plastic assembly). Then pull the lamp out by its handle (the silver clip). look into the side where light is supposed to shine out to see the actual lamp. If it is not shiny and clear, it's probably no good. These lamps are literally available everywhere you go to get tv repairs done. Most shops can even test your old lamp if its condition is questionable. Average price is $150US and is most likely the cheapest repair you can have done to these sets. Just put a new lamp back in, reset the on-screen user menu, and you're good to go for another 5000 hours.
If the lamp is ok, I would recommend having an authorized service center take a look at the set. Since this set originally sold for around $3000US, it's most likely worth repairing. That decision is totally up to you, but a new comparable set will run you around the same price, and flat-panel tv's are much less reliable than the one you have already. Imagine hanging a picture window on your wall, with fluorescent lights behind it. How fragile is that???
I recommend authorized service centers because they generally have more expertise in repairing newer equipment like this set and can repair to component level. This saves you time and money, since you don't have to wait for the repair shop to order a whole circuit card (example) rather than just replace a chip and a few (cheap) small parts (which they stock). End result: you pay $200 less and get your tv back in three days instead of three weeks. That is, if they don't fix it in your home the same day. Either way, an estimate is cheap compared to the price of this set and can usually be done in a day or so.
Posted on Mar 17, 2009
I've had this problem too. But I've had bad lamps before, and they don't shut the whole TV down. Besides, we just replace the lamp 6 months ago. Before that, it went 2 years without a replacement. What could it be besides a lamp?
Posted on Jul 24, 2009
Tips for a great answer:
I had a similar problem with my 42 in Philips LCD HDTV.
Here was the problem.
My Power Supply Board had several bad capacitors. I opened my TV (warranty was expired of
course) and found four bulged capacitors.
Many electronics companies were sold capacitors that failed in 2-5 years
instead of 10-20. The capacitors fail
prematurely due to a lack of preservatives. Unfortunately, they were installed in all
sorts of devices and cause a wide range of failure problems.
Here are some options for you.
1. Have it fixed by a professional
2. Open your TV and find PSB. Check
for faulty caps. If you find some (bulged
or leaking) bad caps replace the entire board.
3. Remove and then replace individual faulty caps. This takes some soldering skill.
Caps are inexpensive and if you can take care of it yourself
it will save you hundreds.
I have a tip/tutorial
on this site that may also help. It
gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. It's
called: Fixing the Philips Turns/shuts off on its own problem.
Hope this helps and Good luck.
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