Question about Televison & Video
Popping noise = an electrolytic capacitor has literally exploded - something to be expected on a tv of that age. Shut down the tv immediately - allowing the tv to work in this condition will only make the situation worse, by overstressing other components. Then you must open the tv, locate the failed capacitor and replace it.
To prevent this from happening again , as a precautionary measure, you should replace all the other capacitors, their condition is surely not far from the failed one.
Posted on Oct 15, 2010
Hmmm poping noises in my workshop are NEVER good... one thing positive though, usually the "Blown" part is easy to find, the CAUSE as to why it was destroyed, is another. usually again though, it will be something to do with overcurrent, and or overvoltage, of course the first place to check, is always the Power Supply Unit, and then the Higher Voltage sections in the screen drive circuits.
So if you wish to DIY, or are simply interested to know whats happened, see if you can locate the "Popped" component, and identify it.. then you will have to ascertain as to WHY this component "Blew" in the first place as components seldom spontaneously fail, unless they are in the High Power and Power supply sections. Low voltage components should almost NEVER spontaneously fail.
Also you need to obtain a service manual for your exact make and model set. This then will show you how to troubleshoot, it will have the schematics, and also the parts numbers and values too, essential to service a set like this.
However if you do not wish to DIY then please contact a local or head office from AWA and ask them for a referral to an authorised service center, when they attend to the unit, ask them for a 'Quote" before proceeding with any repair. This way you can make an informed decision as to repair or replace as often seemingly simple problems can escalate into a major expensive job.
Posted on Oct 14, 2010
Thanks for using FixYa. The pop noise is caused by a blown/burned capacitor. From what you have described it seems to be an issue with Y board however, Z and the logic board should also be checked. These boards are located on the right side of the unit and to check them you'll have to open the back of the unit. Once you have opened the back also check for any blown/bulged capacitors. All this is only recommended if you have electrical expertise & know how to solder/re-solder components as these units contain high voltages even when in off position.Please accept the solution if the issue is resolved or post a comment for further assistance.
Posted on Oct 14, 2010
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Posted on Jan 02, 2017
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