8866 - Any Voltage Present? Any Voltage Present? Yes Go to 8863 - 8170 - Replace the +15 VDC Power Supply - Formal Procedure, Notes: 9007 No Go to 8864 - 8859 - Replace the +15 VDC Power Supply Fuse - Decision, Notes: 8860 Note 8867 - Is there any output voltage present from the +15 VDC power supply?