Question about Audio Players & Recorders
There should be an regulator IC( Integrated Circuit) that controls the volume and the power on the main board. This IC also has a voltage check sum circuit to place the receiver unit in standby mode or protection mode to protect the rest of the main board from current and voltage surges.
You unit is in need of service. A tech will determine the area that needs repair with a oscilloscope and the schematic.
Posted on Apr 23, 2010
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Posted on Jan 02, 2017
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