Question about Audio Players & Recorders
Posted by Anonymous on
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Posted on Jan 02, 2017
Make sure your cables are not touching each other, and/ or that they have been inserted into the right terminals on the speakers. This should rectify the problem.
Posted on Aug 07, 2009
SOURCE: sony Mhc GS100 want power up
The unit is in protect mode because a problem was deteected in the final output stage of the amplifier. The pop in the speakers is a god indication that there is DC current in the output stage. This is not a good thing. This is a relatively common failure of all receivers and can easily be fixed by any shop that does audio repair. Expect a parts cost in teh $30-$40 range.
Posted on Aug 19, 2009
this problem is audeio out put is sort .pls ching out put STK .Any Q - My ID firstname.lastname@example.org
any sony music system problem
Posted on Nov 07, 2009
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It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be your output drivers- the MOSFETS/IC's fitted for both the channels, Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise like a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.
You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.
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