SOURCE: Technics Integrated amplifier su-v85a speaker
test you speaker maybe there is a bad connection some where is the spk. box its self ,try changing speakers left to right .
it the spk. are ok open amp see all the connections within the amp .
if this dose not work contact me by mail: [email protected]
SOURCE: Techics new class A digital integrated amplifier
Is this happening in a regular pattern. If so please check from the mains power section.Check from the plug, the socket, use another outlet if possible to check. If the faultt recurrs, then you willneed to open the set when it trips off, check all the connectors, the main PCB for any signs of bad joints caused by dry soldering in heating sections. If so use a good iron to resolder these sections bbut attempt only if your familiar with these circuits. Next notice if there is any excessive heating when it is cutting off, if so reduce the treble and bass to confirm any transcient noise running the amp.Use another source to recheck if the noise is coming from the present one. I hope this helps. Good day
SOURCE: my su-g95 technics Stereo integrated amplifier
Well it sounds like your amplifier IC's are working correctly since you are hearing that pop. I have the same amplifier and every 10db increment it pops. Have you tried every input? Possibly try starting at a low volume, plug an RCA plug into CD or any other input, and touch the center prong of the other end of the cable. You should get a 60hz hum if your in the USA, otherwise it will be 50-55hz. Regardless it should make noise.
It sounds like the switch might be broken. It might need to be replaced.
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