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Help Needed When I try to turn on the television, it just makes a chirping sound and the picture will not come on.

Posted by Steven Hillyard on

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Anonymous

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The chirping noise is telling me that there is a short in the set somewhere and the smps IS TRYING TO START BUT KEEPS GOING ON AND OFF AS ITS DETECTING A SERIOUS SHORT SIO IT CANT STAY ON. THE SETS GOING TO NEED A PRO TO LOOK AT IT AS IT NEED CIRCUIT WORK AND THERE ARE NO USER SERVICEABLE OARTS INSIDE THIS SET. gOOD lUCK

Posted on Jul 30, 2006

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Making chirping sound. no picture

Problem most likely on middle board----High voltage deflection board--the chirp is a primitive indicator of shutdown or self defense in these sets.
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Will not turn on anymore.


A chirping sound can indicate a significant problem with your Philips television. Chris Stein/Digital Vision/Getty images jQuery(document).ready(function(){ jQuery('.intro .thumbnail a:first').attr('href','http://i.ehow.com/images/a07/1e/dm/philips-turn-making-chirping-noise-800X800.jpg'); });

So your Philips television won't turn on and is making an annoying chirping noise in place of showing a picture. Televisions have become more and more complicated over the years, and harder to repair by non-experts. As with most electronics, there are a few simple fixes that might help. However, a chirping noise generally indicates a serious problem that might require a trained expert to repair your Philips television.
jQuery('.intro .thumbnail').each(function(i,e){ jQuery(e).find('img').one('error',function(){ jQuery(e).remove(); }); }); Difficulty: Easy Instructions Things You'll Need:

  • Compressed air
  1. Spray a few shots of compressed air into the vents of your television. Over the years, dust can build up and cause signal blockages or small surges within your system. Removing the dust can help clear out these problems.
  2. Completely disconnect your television from all power sources as well as any components, and leave it this way for up to four hours. This will perform a "hard reset" on your television and, combined with the dust removal, might clear out any blockages that exist.
  3. Call a trained technician to repair your television. The chirping sound indicates a problem with your power transformer and adapter. This will likely necessitate a new part for your television.
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NO picture NO sound, chirping 60pp9202

Chirping isnt caused ny the ICs and resistors. The chirping is usually caused by the Flyback ( HV Transformer) or the HOT transistor.
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No picture, no sound, just chirping noise coming from back

NO - - signal did nothing to the set... Sounds like a shorted HOT (horizontal output transistor) and the feedback your hearing (chirp) is on the horz. transformer as it tries repeatedly to startup... Don't allow it to do that for too long...
Bill
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Zenith iqc50h95 50 in rear proj

Rainman, can`t really be of any great help on this one, both techs can be right, the chirp is exactly as you thought, the set is trying to come on but there is a short in the set and it`s shutting down because of the short, could be convergence, low voltage power supply, high voltage power supply, until a tech gets in there and starts un-loading circuits it`s impossible to say where the short is, gonna have to call someone out for this one, good luck with it, BMW Rider
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PT-43LC14 No Picture, chirping sound when turned on

Most of the time, when there is a chirping comming from a TV set, there is a short somewhere inside the TV set. That chirping noise is the TV's power supply starting up and shutting down because of a heavy load on the power supply. These sets have no user replaceable parts inside them, so play it safe, and call out a pro to assist you in this repair. good Luck PS Please do not forget to rate this thread.
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