I have a faulty Yamaha P7000S Power Amplifier on my bench. It is not powering up. When last used there was less voltage coming in from the mains. Probably with the less voltage entering the transformer, more current must have been needed to supply the demand for the power. Does anyone encountered this kind of problem before with the SMPS? If so, please advice e on where to go from here. If more details are needed please advice me also. Your comments will be greatly appreciated.
Thank you.
Thank you.