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Our LG tv has started making a vibrating whistling noise when you first cut it on, you can hear it get faster and faster, then slowly goes away. Also, I've notices over the past few months the picture seems to be darker.. Help!?

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  • Televison & ... Master
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It sounds that the horizontal output section circuit to your TV is to be checked. It is really a skilled work. Contact any service technician.

Posted on Jul 19, 2013

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: akai hdtv 1080i, No Sound

I sounds like a bad filter in the sudio supply circuit finally took out the sound output chip or the power supply that controls the sound circuit. its a soliud state set and there are no user replaceable parts inside this set. Unless you have had solid state repair experience, please be safe and call in a pro to assost you in this repair. good Luck ps Please rate this thread

Posted on Oct 19, 2006

  • 71 Answers

SOURCE: black square in middle of tv

He, he. Somebody activated the subtitle mode on the remote. Desactivate the CC mode on your menu and it'll go away or at least if you want CC put it in CC1 Text1

Posted on Dec 10, 2007

racer7x
  • 42 Answers

SOURCE: 52'' sony tv rear projection turns blue

it sounds like the blue crt is failing Pull the front off and turn the tv on
When it still has a good picture tap the blue crt
if it flashes blue with lines across the screen then you know it is a bad crt

It might not be worth fixing

Good luck


Posted on Feb 13, 2009

  • 98 Answers

SOURCE: Whining Noise and Image Problems

You better to check the color wheel or Lamp ballast.

Normally, the noise comes from color wheel.

Posted on Mar 03, 2009

  • 1 Answer

SOURCE: rca d52w26 makes a long whistle noise

I have an RCA model D52W26. The green light comes on when powered on but turns off within seconds. No picture, no sound. Just a squealing noise then nothing. Any thoughts on a fix?

Posted on Mar 21, 2009

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1 Answer

Noise whistling


If the noise is a high pitched hum first make sure it is coming from the PC rather than some other device. Just turn everything off except the computer (including turning off the monitor) and see if the noise goes away. Now if you still hear the noise, turn things back on and turn the pc off for about 30 minutes. Then turn it back on. If the whistle is not present at the start but takes a bit to start -- a minute or two or more -- it is probably heat related. If it is immediate, it is probably due to some hardware failing.

If it's a heat problem and you can, turn the system off, remove the side of the computer and run it that way. If the problem goes away (and stays away) then take a can of compressed air and blow out all the dust and dirt you see in the box (again, turn it off when you do this) close it back up and test. If it doesn't go away, the problem may be more serious, needing attention by a qualified technician (to at least change the heat compound on the CPU and other places).

If the whistle is immediate and you are comfortable with it, put your finger in the center of each of the spinning fans to temporarily stop them. Stop them only for a second, not for more. If the whistle stops have that fan replaced. Finally, if the whistle is almost immediately apparent when you start the system then it is usually coming from the either the power supply or the hard drive. A replacement power supply should cost about $40. In most systems they are easy to change so it may be something you could do yourself. We charge $49.50 for the labor, just to give you a rough idea. If changing the power supply doesn't do the trick it's probably the hard drive. So back up your stuff and take it in to be redone....Hard Drives are generally around $70 and labor to redo the system $100.

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Start the car, open the hood, remove the oil filler cap off the valve cover, if the noise goes away, the problem is in the "positive crankcase ventilation" system (blown diaphragm).

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Rob, assuming this is a 4X4? Sounds like a bearing. They can vibrate, snap, clunk, all kinds of terrible noises or vibrations.
Axle u joints will also do this. Is it all wheel drive?

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I don't think your whistling is related to your chain adjustment. What else might be whistling ... helmet ... ???Did you change anything else? Was your chain loud before and possibly covered the noise you are now hearing?

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Our LG tv has started making a vibrating whistling sound when you first cut it on, you can hear it get faster and faster then slowly goes away.. Also over the past few months I've notices the picture


the picture getting darker means the lamp has aged and u need to replace it another thing u need ti replace the mirrors in the light tunnel of the light engine they have faded secondly the noise means the colour wheel has aged you need to replace it u will have to replace the whole light engine cos the color wheel comes inbuilt the light engine and u will be ok ontact lg dealer in your area

Jul 19, 2013 | Televison & Video

1 Answer

Free tv repair advice


The noise you hear must be from its back-light inverter board. The ferrite core in the inverter transformer may make a high whistling noise and will be annoying. Contact any technician. It can be stopped by gluing. But is a skilled work.

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Whistling Noise whilst driving


As with all unusable vehicle noise complaints it is important that the noise be listened to first hand, so have a shop test drive this with you on board to point out the noise to them when you hear it start in your vehicle

Nov 02, 2012 | Cars & Trucks

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Whistling on startup - Madza 121


Sounds like a fan belt problem if its burning that bad for that long it's likely to need to be replaced by now. Tightened the same day it started may have saved the belt

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1 Answer

Noise in trans or in primary chain


It sounds like the primary drive chain is loose. The way I adjust mine is to take off the upper left inspection cover, start the bike and slowly tighten the adjuster until it starts to wine, then back off until it stops. Rev it slowly and listen for a wine. No wine good to go.

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Whistling noise under the hood of my Honda civic.


Thhis noise could be a mutitude of issues. If you have some dash board spray, try spraying some on the top pully staying away from the fans and belts. Also position your face away from the expected spray. Water can be used but it not as affective. Then let me know what happened. Later DRRXR :)

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