Note about other audio repair shops: I am hearing horror stories from customers who went to supposedly reputable audio shops and were told their turntables were beyond repair. IMO, these people were essentially lied to. Here’s an example: someone brought me aTechnics SP10 Mk1. The customer s...
I should point out that since I separated the detector and AGC, the second IF transformer is only partially in the AGC act, so final IF alignment is best performed by measuring the audio signal level from a modulated test signal at the output stage. I found it better to do the RF and ...