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Re: Proscan 50" rear projection TV model S50-700
The PS50700 uses the PTK195 chassis. This is a very good and reliable chassis. The only thing that I see them needing repair for are shorted high voltage flyback transformers. They are easily replaced, but the life of the set depends on the picture tubes. I would say you will get at least 15 years of good use out of that set.
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The average life expetancey will be related to the working hours of the TV. Normally CRTs are expected to work perfectly for 10,000 [Ten thousand] continuous hours. Even though they may actually work more than this time period, the focus and screen clarity will degrade with time. OK.
It sounds like your lamp is about to die out,this tv lamps are good for 6000-8000 life hours which is a average time of 2-4 years old and with time the picture starts to get darker and darker until one day black screen. Try Encompass .com ; shopjimmy.com
Does your TV make a "whining, whirling, clicking, or humming noise?" If
the TV have the infamous blinking lights problem , it's most likely a problem with your color
wheel. The Samsung BP96-00674A color wheels spin anywhere from 6,000 to
15,000 revolutions per minute (RPM’s)--It is one of the few consumable
parts in your Samsung TV. The average life expectancy from our data
logging shows the Samsung color wheels are fairly reliable with a MEAN
average of 5-8 years. Its basically in charge of creating the colors .God bless you here;s how to take it out and replace it: http://guides.fixyourdlp.com/samsung/bp96-01579a.php
If you have no electronic experience and do not know how to troubleshoot electronics, then yes pleaqse call in a pro to assist you with this repair.. It hard to tell whats wrong with a set that is in a dead condition. It could run you anywhere from 50 bucks all the way up to 1200 depending on if a main board has to be replaced. Good Luck