I PURCHASED MY 56" JVC AROUND CHRISTMAS 2006. THE AVERAGE RUN TIME PER DAY APPRX. 3-HOURS. JUST IN THE
LAST MONTH THE PICTURE HAS BEGUN TO FLASH A BLUE
BACKGROUND AFTER RUNNING ONLY A SHORT PERIOD OF TIME.
AT TIMES THE SCREEN WILL FLASH FROM NORMAL TO THIS
BLUE BACKGROUND AND BACK TO NORMAL AGAIN. THIS MAY
HAPPEN WITHIN A FEW SECONDS, OR THE PROCESS MIGHT
TAKE AN HOUR TO CORRECT ITSELF. SOMETIMES IF I LEAVE
THE TV ON, AND JUST TURN OFF THE DIRECT TV RECIEVER
FOR A FEW SECONDS IT WILL COME BACK UP NORMAL. BUT
NOT ALWAYS, IF I TURN THE TV OFF FOR A FEW SECONDS
IT WILL CORRECT ITSELF ALMOST EVERY TIME. BUT IT DOES
NOT LAST. IT ALSO SEEMS TO BE MOST COMMON WITHIN THE
FIRST HOUR OR SO. PLEASE HELP, I LOVE THIS TV AND THE
PICTURE WHEN IT WORKS. THANKS.
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The "LAMP" LED light indication on the front of the tv screen panel flashes or light up?The projection lamp was replaced 3 year ago u belive right?The average projection lamp life about 1 1/2 or 2 years.Withthin function in the tv and in used like 4 or 5 hours a day of tv viewing.Ur tv require a new projection lamp.
I've had this problem with my projection TV recently. I would say your lens/lamp is to blame. It might be time to change it, depends on the last time it was changed, most of the time, the TV will tell you that it needs to be changed, but not always. I think your best bet is the TV lamp.
You need to replace the power supply board. The new ones have a bigger heat sink - obviously JVC knows about the problem because they made the new ones bigger. It cost $250 from JVC and I installed it myself - took about 3 hours to do. If you are not tech savvy call a repairman. Hope this helps.
The life estimate for a bulb is about 5000 hours, and if the bulb is dieing before that is very obvious you have another issue on the TV
That Could be a temperature problem, like a cooling system is failing (usually the is two fan around that) or a lot of dust in the cooling system. another one could be temp sensor also maybe failing and is not sensing high temperatures and is no turning off the TV
Also make sure you have enough ventilation in the back of the TV
Hope this give you a better idea of the problem thanks
You definitely have a bad lamp. Sony rates the lamp life at between 4000 and 8000 hours. There are 3 things that effect the lamp life, listed in order of importance: 1) number of times the lamp is turned on and off. Every time the lamp is first fired, it takes life off the lamp. Customers I see that turn the TV on in the morning, leave it on all day and then turn it off on the evening can get up to 12000 lamp hours 2) ventilation. Be sure you have at least 6 inches of open space all the way around the set and that the vents are clear of dust and debris. 3) power. If the power is interrupted when the set is on, there cannot be a proper cool down cycle. The fans will run after you turn the set off to properly cool it down, if the power is lost this cannot happen. If your power is unreliable, buy a small UPS to let the set finish a cool down cycle
Occasionally a lamp will faill before the average lamp time due to being defective. from your purchase date it sounds like you got about average lamp time. Be sure to purchase AN ORIGINAL SONY LAMP as a replacement, becuase the aftermarket lamps are bad news, Be sure to rate this solution. Thanks!
Hitachi 46F510 different channels are different brightness and to get them viewable I have to run the brightness so high that you can not see any text at all. Also all white areas are blasting white bright. Edges of the tv also seem darker. I am connected to a cable system.