20 Most Recent Samsung HL-R4667W Rear Projection Television Questions & Answers

How much was it moved? It could have jiggled something loose or made an intermittent connection, try removing the bulb/lamp and put it back in to reseat it, it might be detecting a lamp issue due to a bad connection, or a lamp thats starting to fail, if you have a spare lamp you can try replacing it. If thats not it then it may just be something is failing due to age/heat in the tv and moving it caused enough shock to the part to go intermittent. Most commonly when a projection tv does this its a problem with the lamp, or the power supply board.

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Look to see if thee timer is engaged. Check the cooling fan for the lamp too.

replace the colour wheel and replace the lamp for the color wheel u may have to replace the whole light engine cos it house the colour wheel

check for a lamp bad or the ballast that drives it.

Buzzing noise on that model is usually caused by a fan or the color wheel.

Someone would have to look at a schematic to see where the HDMI comes in in order to know where problem is (what to replace).Since a/v jacks show same trouble it is well after the tuner and is likely located on the board connected to the jacks for input---an area that deals both with tuner and conventional rear inputs.A schematic or even a block diagram of signal flow in the set would narrow this way down to what you need to replace.Try to Google for this with the model number and words like block diagrams, service manual etc.One last foolish thought---have you removed the HDMI connection to see if other inputs clear up?

This is based on the model/brand posted with this question(Samsung hlr4667w) most likely on this set a problem with the optical light engine or even the digital board in the set.To do some easy research on this GOOGLE the model number with "problems" to see what you can learn on your own.

Just unplug and plug back in. Worked for me.

Try it a few times.

May not work for everyone.

Check Lamp Fan if it is defective set will shut down to protect the Lamp.

I would say the next thing to replace would be the ballast for the lamp and if that does not work the power supply board may have failed. When I replace the power supply, I also replace the ballast at the same time.