Question about Audio Players & Recorders
Check wire connection to rear speakers and ascertain the speakers are properly grounded. Using a multi-tester, there should be "zero" ohms resistance between the speaker ground and a nearby nut, bolt, or metal component part of the receiver. Get a cheap speaker and splice the test speaker to see if there's sound when radio is "on." If there's sound, but you can't control the volume, then the volume control knob is defective. The volume knob is a potentiometer, which is a variable resister identical in principal to the electronic fuel throttle of your vehicle. If volume is controlled by 2 buttons, then the button's circuit are not connected to the main motherboard.
Posted on Nov 29, 2013
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Posted on Jan 02, 2017
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