Question about iLO V27DMBX Television

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No picture but makes a funny high piching sound

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You may have power supply problem. need to open it up and do the inspections first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Post back what you find.

Posted on Sep 29, 2010

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6ya6ya
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Posted on Jan 02, 2017

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Tv was working fine last night ,went to turn it on tonight ,no sound or picture,but you hear a high pich sound ,buzzing noise by where you plug in the jacks


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Mar 04, 2016 | Emerson Televison & Video

1 Answer

Once we turn the tv on it would start making a sound like a whinning high pitch sound with no picture..and it wont turn off anymore unless you pull the plug..


hello jackiea0819,
pich sound on HLR6768W because of the collor wheel. The color wheel not rotate properly.
My suggestion you replace the color wheel. Call samsung technician to replace it.
Good luck.

Mar 29, 2011 | Samsung HLR6768W 67" Rear Projection HDTV

1 Answer

High piched squeal


Sounds like a color wheel. Bearings in color wheel make such a sound when bad.

Nov 27, 2010 | RCA R52WM24 52" HDTV Projection Television

1 Answer

My traxxas revo 3.3's gears are grinding, the car has slowed down


sounds like engine is running to lean. count how many times the high end needle is out. will have to retune engine before piston seizes completly up.

Jul 20, 2010 | Traxxas Rc Revo Nitro Monster Truck

2 Answers

I have 4.3 L and i keep on hereing a high piched noises


You need to determine which pulley your noise is coming from,the best way is to use a long extension and place it on each item and just touch it to your ear,then you will be able to hear how each of them have there own sound.but from here,i'll place my money on the alternator,they do put off a high pitch noise when the front bearing is drying out on them

Dec 18, 2009 | 1996 GMC Jimmy

1 Answer

How to eliminate high piched engine hum


switch out the belt if you allready done that make sure there is only half inch of play in the belt if that dont work grab some wd -40 spray the tensioner pully on the car if it quiets the car replace the tensioner pully make sure resavoir is full on pump too those are the quick and easy ones if that dont work then switch out the pump its two hose and 2 to 3 bolts make sure you bleed the lines too if theres air in the lines it will scwill

May 19, 2009 | 1999 Buick LeSabre

1 Answer

Noise from drivers side


hi how are you.there is a couple of things that will cause a rubbing sound.if it is a high pich sound then look at your dust cover behind your brake rotor.a low pich or a growling noise check your wheel bearing/hub assembly.with wheel off the ground wiggle it side to side and up and down you will have alot of play.or there is something hitting the tire.

Feb 02, 2009 | 2001 Daewoo Lanos

1 Answer

No Picture/High Piched Sound


bring it to the authorise service center man, simple. Fred-Modern Home Qatar

Jan 26, 2007 | Panasonic CT-36D11 36" TV

1 Answer

Televison


The high pitched sound is probably comming from the power supply, possibly due to its trying to drive voltage into a shorted component in the high voltage deflection circuits. You may be lookng at about a $250 repair. If it has been used a lot and its picture quality didn't knock your socks off, I would replace it with a HDTV set. A 37 inch LCD from Toshiba might be a good place to start and should do nicely for you.

Jan 24, 2007 | Panasonic CT-36D11 36" TV

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