Question about Samsung HL-R4667W Rear Projection Television

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Picture goes blank after 40 mins. Audio is fine. Have to switch off and on again. Bulb is fine, Color wheel replaced recently.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

cammykins
  • 149 Answers

SOURCE: picture goes blank

Yikes, I have never heard of the set looking like a negative before. What model# do you own?

Posted on Sep 24, 2007

  • 8 Answers

SOURCE: Samsung DLP color has gone Muted...Color Wheel or Bulb???

The color wheel or lamp ballast needs replaced...it would be hard to know which without being there to look at to fix the humming problem, neither part is that is that expensive if you price shop, you may want to try one at a time ot save money. Also to fix the picture you need to realigh the DMD board with the help of another person watching the picture.Hope this helps.

Posted on Jan 02, 2008

  • 927 Answers

SOURCE: color wheel

Good day, dkimberly428;
Sorry you are having a problem with your SNG TV.
Let me ask you why did you replace the color wheel? Was it making noise, but had pic prior to changing it?
Okay, if that was it, try this: the color wheel ***'y has one cable and "ribbon type" cable, correct? Okay, make sure both cables are secured. Secondly, the "ribbon type cable" was more then likely put in backwards. If I remember correctly the shiny side (end) of ribbon cable should be facing the rear of TV.
Good Luck, big IRISH. PS always double check ALL cables in TV to make sure they are properly seated.

Posted on Jul 19, 2008

USMC ETECH
  • 60 Answers

SOURCE: Ok the details, HLN617W replaced color wheel and

I WOULD RECOMEND CHECKING YOUR CAPACTIORS (CAPS)ON YOUR BALLIST BOARD (THE ONE THE LAMP PLUGS INTO) IT'S ABOUT 3" X 8" IN SIZE DO NOT TOUCH THE BOTTOM OF THE BOARD!!!!!! YOU WILL END UP IN THE EMERGENCY ROOM. JUST LOOK TO SEE IF THE CAPS ARE BUBBLED OR BLOWN IN ANY WAY.

Posted on Feb 20, 2010

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This does not seem to be a power supply issue but rather an issue with the backlight inverter board. When the screen goes black, take a flash light and focus it on the screen from a close distance and several angles. See if you notice a very faint image. Try changing the channels to make it more noticeable. Try it and let me know

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After the tv has been on for about 30 minutes the picture starts flickering really bad and eventually will go completely white like where it looks kind of like negatives? it works perfect for that first...


The colors wheel could dies at any time of the tv life,at any monent without any period of times.The colors wheel run at RPM spinning revolution are 1000 RPM a min. to make colors for this tv.The problems u discribing are one problem of the effect of the colors wheel is dying and worn out.The colors flashes like film negative,the picture flashes Black&White withtin the picture.Replace the colors wheel again,will solved this problems.

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Hello,

try connecting tv to cable direct also try unplugging both converter and tv for wile like 5 mins plug both back in see if tv and converter sync, but if otherwise then
The ysus board is the most common reason.
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Ok the details, HLN617W replaced color wheel and bulb works. Tried the power - unplug reset and worked for about 25 mins then I turned it off after no problem. No here is my original problem, after turning...


I WOULD RECOMEND CHECKING YOUR CAPACTIORS (CAPS)ON YOUR BALLIST BOARD (THE ONE THE LAMP PLUGS INTO) IT'S ABOUT 3" X 8" IN SIZE DO NOT TOUCH THE BOTTOM OF THE BOARD!!!!!! YOU WILL END UP IN THE EMERGENCY ROOM. JUST LOOK TO SEE IF THE CAPS ARE BUBBLED OR BLOWN IN ANY WAY.

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Replaced the DLP bulb and the picture only worked for ten minutes


Hi,again,Thanks for the blessings.One quick way that works for most sets its to unplug the set wait 5 min and plug it back again.Here's instructions to replace the ballast: http://guides.fixyourdlp.com/samsung/bp47-00033a.php Found ballast here: http://www.discount-merchant.com/SAMSUNG-9137-008-08905-Lamp-Ballast-Driver-p/1139281.htm?Click=48173 Pay attention to other sounds like buzzing or whirling because it could also be the color wheel.God bless you and your house! Let me know if you need further help. r2d2repair@gmail.com

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Have a nice day!
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Jerry

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I have the same issue, I have figured out its a fan issue, my fan must have went out. After about ten minutes the bulb will get too hot and the picture will start to turn a way off tint color. I put a fan on my projector and after about 40 min. the picture returned to the appropriate color. I am still investigation on how to get and replace the fan.

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once again either the color wheel or lamp ballast needs replaced OR....the DMD board needs cleaned which you can do yourself for free if you are mechanically inclined(see my other posts for instructions on how to do this)

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