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There is crackling on the output. What would the most likely component(s) be that would be causing this problem?

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I have a VISIO VX37L 2006 TV The audio goes on and off and crackles and sometimes makes a loud horn sound. Please Help!


Check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Oct 19, 2015 | Televison & Video

1 Answer

My onyko 703 it'ssond is crackling


Check and replace damaged component/s at it audio output stage circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Jul 29, 2015 | Televison & Video

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What causes me to have a picture but the sound is just acrackling noise


Check the speaker/s first. If found OK; check and replace the damaged component/s at its audio output section circuit. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Sep 15, 2014 | Philips Magnavox 27MS343S 27" TV

1 Answer

Sound from the panasonic viera 50inch full hd is crackling


Check its speaker/s first. If found OK, check and replace the damaged component/s at its audio output section circuit, or replace the audio output section circuit as card basis. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Mar 21, 2014 | Televison & Video

1 Answer

Loudspeakers crackle


The audio output section circuit should be troubleshooted. The most possible cause is with its audio output IC itself. Check for any loose solder terminals to this section.

Jul 15, 2012 | Philips 42PFL5332D 42 in. LCD Television

1 Answer

Speaker output knobs producing crackling sound from speaker


The problem is that the potentiometer that the knob is connected to is dirty. This is a common problem with age, or quality of installed potentiometer. (potentiometer is the name of the component that the knob attaches to. It usually looks like a 1/2" long cylinder)

There are multiple solutions to this problem. The first is free & anyone can do. While the unit is off. Twist the knob back and forth quickly and rapidly numerous times. Roughly 10-15 times will do. This sometimes allows for the connections within the potentiometer to reconnect, and remove the crackle.

The second solution involves some handy work. The unit's case will have to be disassembled, and the potentiometer that the knob is attached to must be found. There is usually a relief hole somewhere on the housing. Within this relief hole one can spray contact cleaner. This cleans the contact within the potentiometer which is the cause of the crackle. Once the pot has been sprayed, rotate the knob like in step 1.

If steps 1 & 2 do not work, the potentiometer will need to be replaced. This work usually needs a professional. If you are handy with a soldering iron, it can be accomplished. Look for any particular part #'s on the crackly potentiometer, and then copy these into a online parts catalog. Mouser.com and Digikey.com are excellent resources for finding parts. Upon finding a replacement, it can be swapped out, and provide the user with a crackle free knob.

As always, make sure power to the unit is disconnected. If you are unsure of electronics, please use caution, as dangerous voltages may reside that can cause personal injury.

Mar 16, 2011 | Crown Audio Players & Recorders

1 Answer

I have bad static from my Pioneer vsx 49 Elite


sorry no easy solution as it sounds like the output transistors blew out or the emmitter resistors. you will need a service manual and an multimeter to measure the resistors on or around the audio output transistors they are a low value resistor usually around 1 to 2 watts in size. Do not replace any bad , burnt or discolloered resistors around the audio output transistors as if tou do you might just cause more damage to the output transistorsor audio output stage including the audio driver stage of the amp!!!!!!
Larry Dillon

Aug 27, 2009 | Audio Players & Recorders

1 Answer

Crackling


Possibly bad news I am sad to say. You might have lost the transistor in the right channel output Or if it is an IC that. The things on the heat-sink! However you might be lucky and it might be just either a bias resistor or a ceramic capacitor. The small components are cheap the bigger ones tend not to be. Resistors often look burnt, but apart from that is a case of replace and see.

May 28, 2009 | Audio Players & Recorders

1 Answer

Speakers are crackling


This could be caused by one of your speaher wires being shorted out to ground, OR one of the speaker terminals in the doors or rear coming into contact with metal. If you remove the unit and test it with the speakers hooked directly to the back of the unit and they do not crackle, then the unit is fine. If they still crackle - then you either have two diferent sets of bad speakers, Or more than likely the outputs of the kenwood have been damaged by an improper installation in the past.

Jan 17, 2009 | Car Audio & Video

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