Question about Audio Players & Recorders
Hi! Flipper Do this maybe of help. Turn the power off. Wait about 10
seconds, then power up again. Get close to the reciever and listen for
a click-not from the speakers,from the recievers itself.If you hear a
click, you can assume that the power supply is ok for that circuit.This
does'nt eliminate the power supply problem but it will do for now.You
would have to check both the positive and negative voltages from the
power supply to see if both are present or if one or both are missing.
This would be dc voltages and the positive voltage must be equal to the
negative voltage ,if one is higher than the other, the regulator
transistors in the power supply maybe defective. The transformer can be
checked for AC voltage before the power supply.You know that the
secondary is good because the dial lights. For this kind of problems
you better change the regulator transistors with desame number.
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Posted on Jul 16, 2008
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Posted on Jan 02, 2017
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