Test Points
+38vdc J1 pin 1 (Fan driving power supply)
+5vdc J3 pins 12, 2 (Power source of LED Head Assembly)
+5vdc J9 pin 7 (Power supply)
+5vdc J5 pin 5 (Power Supply)
+38vdc J5 pin 13 (Resist motor drive voltage)
+38vdc J6 pin 15 (Power Supply)
+5vdc J6 pins 13,31,32 (Power Supply)
Ground - J6 pin 16
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