I purchased the amp pm 7200 from ebay, it works fine except the loudspeakers do not mute when you plug in a headphone jack. How does it affect the value of the amp and is it a sign of further problems to come?
Some amps have a button which you press to mute the speakers when the headphones are plugged in. Sometimes marked "Speakers on off". If it hasn't then a new headphone socket would not be expensive to fit. As long as the amp producers sound I don't see any future problems. The previous owner may have used the headphone socket a lot, and simply wore it out!
SOURCE: marantz pm 7200 lost sound, only works when volume
You have either lost the pre-amp stage or the Main Amp stage. Since you have a problem on both channels it most be a part that is common to both channels. Something like an IC I would suspect.
Testimonial: "i figure out that one channel works but the other one doesnt. how can i fix this? is it very complicated to fix. "
SOURCE: Marantz PM4000 amp keeps cutting out
There is a fairly simple fix to this problem here: http://www.audiotoolers.com/ubbt/ubbthreads.php/topics/5316/Problems_with_Marantz_PM4000_A.html
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