Question about Samsung HLN5065W 50" Rear Projection HDTV-Ready Television

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Samsung hln5065w will freeze in black and white after 10 mins. I removed the dmd board metal cover and placed a small fan(from Target) in front of the exposed board. It will now play for hours which tends to confirm my theory that my problem is heat related. However, after I turn it off, if I try to turn back on before it cools down, I get sound and no video. Any thoughts on this? Maybe a bigger inside fan?

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Most likely the DMD board or you could have a funky color wheel but I highly doubt it.

Posted on Jun 09, 2009

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I need the shematics to install A DMD chip in my Mitsubishi Model WD-C657


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That sounds like one of 2 things:
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1 Answer

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there are 3 leds on the front that blink the error code. which leds blink gives you the error. if its just the standby/temp red led blinking, it has overheated for some reason. there are a couple other fans you could clean but check your ventilation. many people put too close to the wall or close it up in a cabinet. it needs atleast 4" from the wall and someway to vent out hot air and get cool air in. a different model had the temp sensor cause this issue, it is the silver thing right atop the lamp. you will have to pull the whole back panel possibly, there are two wires that hook to it and two screws holding it to the engine (lamp housing). if you get lamp and temp leds blinking, reseat the lamp door. timer and temp leds is a fan error, all 3 leds is a lamp error (lamp, ballast, colorwheel, dmd)

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