hi! I have renovated a few old vintage receivers lately 2023. Bought them in early 90's. My SA-AX710 - showed Overload message after a few minutes..could sometime restart again automatically ... but then If I tapped on the case- it went into overload again.. Here are the manuals : https://www.hifiengine.com/manual_library/technics/sa-ax710.shtml After reading all input from blogs about Overload, I came across this posting: ------------------------------------- UnknownJune 14, 2016 at 11:43 AM Hello, I find repairing and restoring electronics is as fun as working on old cars. Thank you for sharing your experience. Here is my 2 cents in return. I recently acquired Technics SA-AX710 with typical intermittent “OVERLOAD” symptoms described in the previous comments. It turns on but has its own mind, run for few minutes then goes into overload shut off, and comes back alive etc. I was also able to trigger the “overload” by slight touch/press on th...