I recently purchased a used circa 2010 Fender Passport PD-500 portable PA system and while it works fine occasionally, most times it exhibits a clicking sound on the left channel with no other sound on that channel. The left channel vertical lights jump up a couple of lights at the same time. There is about one tick per 1/2 second. The right channel works fine.
Any thoughts as to what might be causing this intermittent problem?
Any thoughts as to what might be causing this intermittent problem?
Things to look for are cold solder joints(cracked solder at component or wire connection points) and bulging or leaking electrolytic capacitors, the cracked joints would be responsible for the intermittent loss of signal and a failing capacitor would allow noise to pass thru.