Static/putput noises coming from insignia speakers
They're only a year old and whenever they are on they make this dreadful like repetitive popping noise with a background static-type noise. I'm listening to my music at twice the volume to drown it out. Horribly frustrating. My guess is that it's probably bad wiring and they're just crappy speakers, but I've only had them a year and half of that they weren't even being used, they just sat in their box.
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try adding .01mfd disc capacitors across bridge rectifiers diodes(all the 4 diodes),If the devise is old try replacing filter capacitors.and isolate transformer secondary leads if they are very near recifier board.
Is the popping noise coming from the speakers? If it is, lowering the volume to zero does not stop the popping from the speakers, then you have an audio output failure. If the sound is not from the speakers, you probably have a high voltage leak. If this is the case, are you in a moist environment or using the set near a window??
If the popping sound is NOT coming through the speakers, you probably have high voltage arcing. Probably close to the high voltage (flyback) transformer. If this is the case then other parts could be damaged if allowed to continue.
If the popping is coming through the speakers then you could have a problem any where in the signal circuits. Like a loose connection.
You'd need to have it checked out to find the problem.