Question about Televison & Video
Lamp blew - replaced it but still get noise on occasion when turning tv on - goes away eventually - sometimes red light changes to flashing green and tv switches itself on and off at beginning
If its a high pitched or fan like sound (but not a fan) it may be the color wheel going out.
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
SOURCE: HDTV Rear Projection
The color wheel is the most common problem when it comes to noise from DLP's. To determine if it is a color wheel or fan: Turn on the set. When the noise starts, turn off the set. If the noise goes away within 5 seconds, then the color wheel is bad. If the noise goes away after one to one and a half minutes after the set was shut off, then one of the fans are making the noise.
Posted on Apr 01, 2007
check for popped or raised tops on caps in power supply. also try unplugging set for 5 minutes and resetting it. How about does your color wheel spin up? if your color wheel don't startup then your tv will also shut down. also check all fans they all should be running at turn on. if all fails i would say its your light engine.
Posted on Apr 10, 2008
Make sure you reinstall the lamp door as there is a lamp door switch that must be closed or the unit will not fire the lamp, there should be a small hole or opening on lamp door housing. Some people install the lamp without reclosing the door just to see if the unit works , just to find out if it will not work, and when it does;nt think something is wrong, they do not put the lamp door back on first. Not to say this is the case but it does happen.
Posted on Dec 18, 2009
when you turn it off your light blinks because your internal fans are still spinning allowing the inside of the chassis to cool off, hence the reason you dont watch a DLP TV and then unplug it. DLP's are JUNK
Posted on Dec 01, 2010
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