Marshall JCM800 "4210" Combo Repair Part 2

After Analyzing the Circuit to figure out what was wrong, I discuss my findings, then play test it a bit. 0:00 - It's got Ghosts in it's Blood 0:41 - The Switching Circuit Crosstalk 3:41 - The Loopy Grounding Scheme 7:39 - The Mushy Master Volume 10:27 - The Ghostly Buzz 12:06 - Play Testing & Commentary 14:40 - Contemplating the Meter Mysteries 15:38 - Gluing Down Caps, V3 Advice 16:40 - Back Together Play Testing 18:05 - Reverb Test 18:51 - Footswitch Test 20:11 - Overdrive Test 21:48 - Closing Thoughts.