voltage regulator

This is on a fisher 301 receiver. I was working fine until I decided to recap it and I accidentally hooked up the 14v tuner circuit (DD on the diagram) to, well, something else. It went poof now I only have about 6 volts out of that circuit. I’ve replaced the 15v zener diodes and tested the 3...

I picked up an SG165 a little while ago, and I've been having a lot of fun restoring it. I changed all of the electrolytics, and have been able to go through the calibration procedure and get some decent results. One thing continues to bug me though. The voltages from the power supply are...

I have emailed McIntosh but they have not gotten back to me and I cannot find any information anywhere on the internet. the part number is M 065 7726 and the Q201 on the schematic. Anyone have any experience replacing this part?

What's the best way to check the output relay in a Kenny KR-5600? This thread is actually about two KR-5600's, one being my trusted old friend that's been working 20 years in original condition, and a second 5600 with an open relay I need to fix, then recap. It is also original, but hints at a...