Vintage Synth Repair

HELLO FRIENDS I HAVE AN ODYSSEY AND OPEN TO SEE THE INSIDE BECAUSE I 
HAVE PROBLEMS IN THE A.R. ENVELOPE...WELL I FOUN THE IS MISSING SOME 
DIODE IN THE A.R. CIRCUIT...NOW...WHEN I TRY TO RE-ARM THE UNIT I 
DONT MAKE A MARK TO KNOW WHERE PUT THE POWER SUPLY TERMINAL TO THE 
CORRECTS PINS IN THE BOARDS....PLEASE I F SOMEONE KNOW ABOUT THIS 
WRITE ME AN MAIL TO CEMURECORDS@... TO FIX THIS PROBLEM AND KEEP 
BACK MY OLD AANALOG FRIEND........IF YOU ARE ELKA SYNTHEX USERS WITH 
PROBLEMS I HAVE SOME INFORMATION ABOUT SCHEMATICS AND CALIBRATIONS 
PROCEDURE....WELL THANKS FOR ALL

CESAR GUZMAN 
CEMU