Question about Audio Players & Recorders
When you power on the unit everything sounds good, but when you play the radio either fm or am the unit has a hum sound of some sort. What board, or resister would cause this to happen. All of the input audio sounds great.
P.S this unit is also supposed to be New Old Stock and bought it on ebay. It does apper brand new from the inside out.
If memory serves correct, the VSX-3000 is from the late 80's. They are good receivers from that era. From your description, it appears the tuner module could have issues, since only the AM/FM has a hum. If all other inputs sound well, it points the the tuner module. These modules are not easy to repair (PCB with SMD highly tuned parts), and are easiest and cheapest to replace. Many VSX models of that vintage use the same part. Not sure how easy it would be to find one. They are a small PCB enclosed mostly in a silver shielding, with one or two connectors from the inside and screwed to the back of the receiver, where the antena connection is.
Posted on Aug 03, 2009
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Posted on Jan 02, 2017
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