Question about Televison & Video
It can be many reasons
1 some tvs have on the back a internal/external speakers many times the customer unadvertidly move the sw to the expternal position
2 the speakers are deactivated from the man many
3 check if the tv has a his noise coming out from the speakers at full volume if so then the amplifier are good & the same for the power supply if no hissing noise then check dc votege is geting the amplifier if so then the amplifiere is most likly the fail if not then the power supply is at fault
3 check for the output capacitor that most of the amplifiere have in the output is conected directly to the speaker
4 if no capacitor is found then it must be +B & -B in order for the amplifier to work the lack of one of them mus make the amplifier unoperable then define why is not ther & fix the cause
Posted on Feb 08, 2009
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Posted on Jan 02, 2017
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