9063 - +15 VDC at Terminal Block? +15 VDC at Terminal Block? Yes Go to 9062 - 9058 - +15 VDC at Component Input? - Decision, Notes: 9041 No Go to 9044 - 9040 - +15 VDC at LD-260 Output? - Decision, Notes: 9041 Note 9041 - Using a digital multimeter in DC mode, 9064 - verify +15 VDC at TB-1 pins 1, 2 and 3. 9043 - Is there approximately +15 VDC present?