Question about Samsung HLR5667W 56" Rear Projection HDTV

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When turned off the tv makes a whining sound (not the expected whining noise) and then sounds like a wheel (like on Wheel of Fortune) slowly winding down. Yesterday it didn't come on (sound, no picture) so I shut it off and unplugged it, put the plug back in, turned it on and it came back on. Any ideas?

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  • 41 Answers

The whining if it sounds like a mosquito type whine! it can be a capacitor, i have same issue, you can usually hear when u are on standby but if your hearing like a "wheel of fortune"! and slowing down would likely indicate it's a fan which is possibly covered in dust and the whining is the fan stopped trying to power forward or it slowly moving and slowing down. If you think it's the fan you should unplug your TV to avoid the fan burning out then have someone who knows what their doing take a look at than fan for you and clean the dust away from it, you may be able to get some access through vents in the side and can try your vacuum cleaner in those vents while TV is unplugged but i'd not go messing inside a TV without wearing some rubber gloves!
Looks like the engineer would need to remove TV casing, check fan to see if it is blocked with dust or not, or if just failing for other reason then either clean or replace. If you don't get it done and the fan fails to cool the TV your risking other vital components overheating and breaking for good so best get it looked at, sounds like the fan to me...

Posted on Nov 23, 2013

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Posted on Jan 02, 2017

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  • 375 Answers

SOURCE: Samsung PCL5415RC Chirping noise

power supply discharging.even after the set is unpluged.

Posted on Sep 13, 2007

  • 49 Answers

SOURCE: Samsung DLP HL-R4266W..no sound or picture. TV is completely dead

Assuming the noise is a high-pitched whine, then yes, it is the color wheel.  If the color wheel goes out, the TV will turn on for a while, then turn off when it can't establish color wheel sync.  The color wheel has to be in sync with the mirrors on the DLP, so if sync can't be established, the TV turns off.
You can order a new color wheel from Sears or partstore.com (among other places) and replace it yourself, if you are so inclined.

Posted on Jan 24, 2009

nicknovikov
  • 101 Answers

SOURCE: I have a Samsung 43in DLP TV. Stays on for 5

check power board for looseconnections.

Posted on Jul 09, 2009

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Failure to start, period.


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it need to reach a curtain rpm before the lamp will kick on
i will almost gurentee one of the colors is broken on the wheel

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