Question about Projection Televisions
Last night I was watching my DLP and the colors went all crazy. It's hard to explain exaclty but there was a lot of purple and red. I turned it off to reset it and now it won't turn back on. There is a loud vibrating noice coming from the back and the lamp light flashes, and it wil then shut itself back down and try to power up again. Eventually all three lights on the front power button will start to flash but the screen will not turn on, any ideas? i have the same problem...I left my tv on overnight and when i woke up the color was all flashy and off...all three lights just flash and i replaced the bulb only to recieve the same low buzzing noise and no power up on tv. mine is a samsung hl-r5067w.
I have had this happen to me several times in the field, and if it is what i think it is, you are not going to be happy =(
inside of a DLP type TV, there is a device called a 'color wheel'... it is essentially a disc made up of different colored glass that spins really fast. this disc has 3 or 6 (depending on make/model) pieces of colored glass like pieces of a pie affixed (read: glued) to a hub.
what happens sometimes is that one of the pieces of colored glass flys out of the hub, and causes a massive unbalance in the spinning wheel, which causes the hum/vibration, and since the colored glass is missing, the colors will be all messed up.
if this is what happened, then your television will require a new DLP engine.
Posted on Dec 08, 2008
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