Page 4 - 9Power ON CircuitryElectricalTroubleshooting GuideIRB6400 M94A1. MAINS DISCONNECT............................................. 5 of 432. POWER SUPPLY, +24VDC, +5VDC ....................... 6 of 433. MOTOR ON CHAIN PART 1 ................................... 7 of 434. MOTOR ON CHAIN PART 2 ................................... 8 of 435. POWER UNIT .......................................................... 9 of 436. 6400 DRIVE SYSTEM ........................................... 12 of 437. CONTROL CABLE ............................................. 13.1 of 438. FLOPPY DISK UNIT, DATA PORTS, BATTS ....... 14 of 439. COOLING, SERV OUTLET ................................... 24 of 4310. BRAKE UNIT, SERIAL MEAS. BOARD .............. 104 of 1211. AXIS 1 ................................................................. 105 of 124.5 List of Circuit DiagramsArtisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com