Thanks for all your help. I’m 71 years old and love my classic rock but I do listen at a distance greater than 18”. Even though I know I’ve been to too many concerts too close to the stage! Lol. Thanks again.
I downloaded the service manual for your unit. Unfortunately the power supply is quite unnecessarily complex. It would take a lot of bench time to sort the power supply out or anything else. Unfortunately when Asian electronic design and manufacture became dominant during the seventies and eighties, we got lumbered with gratuitous complication, and formerly elegant design thrown out of the window.
I'm particularly bad tempered at the moment, as I'm working on a mid eighties Japanese cassette deck, a TEAC master deck Z6000. The unit is a nightmare, and everything a fight to get at. It is a polar opposite of my Swiss Revox machines. This was all brought about by liberal taxation programs and handouts, which made western manufacture uncompetitive. The result has been a grim harvest of poorly thought out goods, service jobs in the west, not wealth creators, and impoverishment of the population, so that many of our major cities have 30% of the population dependent on food banks. The whole thing has been an absolute disaster.
The bottom line is that I think servicing your unit is not an economic proposition unfortunately.
