ILFORD - Ilford Multigraph 600 Service

Complete service manual and workshop repair guide for the ILFORD Multigraph 600, a professional variable-contrast enlarger engineered for black-and-white darkroom printing. This technical documentation is essential for maintenance technicians and service engineers tasked with repair, maintenance, and troubleshooting of this specialized equipment. The manual provides detailed technical specifications including maximum film format 10.2 × 12.7 cm, power consumption approximately 500 VA, and usable focal length range 50–150 mm. Full coverage of power-up procedures, operating cycles, error messages and diagnostic troubleshooting guides readers through systematic maintenance. Comprehensive descriptions of all printed circuit boards—keyboard PCB, power supply PCB, motor control PCB, Y-M signal PCB, and probe PCB—enable targeted diagnostics and component replacement. The mechanical section covers enlarger head removal, color filter exchange, color filter motor service, heat protection filter replacement, and shutter motor maintenance with step-by-step clarity. Detailed wiring diagrams and electrical schematics for all major assemblies (references ME47205, MF47201, CC47201, CC47251, MB48201) support both routine servicing and complex repairs. Additional sections address test program operation and roll paper easel connection setup. Safety precautions and proper grounding requirements are emphasized throughout to ensure safe handling and reliable operation of this precision enlarger.