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TABLE OF CONTENTS (Page) SAFETY PRECAUTIONS ... Inside front page SPECIFICATIONS ... 1-1 CAUTIONS ... 2-1 INSTALLATIONS ... 3-1 OPERATING INSTRUCTIONS ... 4-1 CONTROL PANEL ... 4-1 CONTROL PANEL INSTRUCTIONS ... 4-2 OVERALL CIRCUIT DIAGRAM ... 5-1 SCHEMATIC DIAGRAM ... 5-1 MATRIX CIRCUIT FOR TOUCH KEY BOARD ... 5-2 GENERAL INFORMATION FOR SERVICE ... 6-1 GENERAL PRECAUTIONS IN USE ... 6-1 TRIAL OPERATION ... 6-1 FEATURES AND SPECIFICATIONS FEATURES ... 6-1 SERVICE INFORMATION ... 7-1 PRECAUTIONS AND REPAIR SERVICE TIPS ... 7-1 MICROWAVE LEAKAGE TEST ... 7-2 POWER OUTPUT MEASUREMENT ... 7-3 DISASSEMBLY INSTRUCTIONS ... 7-4 INTERLOCK SYSTEM ... 7-11 INTERLOCK CONTINUITY TEST ... 7-13 TEST AND CHECKOUT PROCEDURES AND TROUBLESHOOTING ... 7-14 A. TEST PROCEDURES ... 7-14 B. CHECKOUT PROCEDURES ... 7-16 C. TROUBLESHOOTING ... 7-19 EXPLODED VIEW ... 8-1 REPLACEMENT PARTS LIST ... 8-8 SCHEMATIC DIAGRAM OF PCB ... 8-16 PRINTED CIRCUIT BOARD ... 8-17 PCB PARTS LIST ... 8-18