Sharp R-1612 Service Manual - Page 9

R-1610 R-1611 R-1612 CAVITY THERMAL CUT-OUT MAGNETRON TEMPERATURE FUSE SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY FUSE 20A B7 RY4 BLK HOOD FAN THERMAL CUT OUT GRN 120 V AC. GND 60 Hz B5 RY5 High B3 N.C. B1 Low HOOD CAPACITOR HOOD A1 A3 MOTOR CONTROL UNIT COM. N.O. AH SENSOR F1 F2 SSR PRIMARY INTERLOCK RELAY B9 A7 F3 E1 RY3 RY1 A5 N.O. RY2 COM. DOOR SENSING E2 SWITCH WHT HOOD LAMP HL HL TTM OL FM STM POWER TRANSFORMER HIGH VOLTAGE CAPACITOR 0.94µF HIGH VOLTAGE RECTIFIER MAGNETRON TURNTABLE MOTOR FAN MOTOR OVEN LAMP STIRRER MOTOR MONITOR SWITCH CAVITY THERMAL CUT-OUT SECONDARY INTERLOCK SWITCH Figure O-1. Oven Schematic-Off Condition MAGNETRON TEMPERATURE FUSE SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. COOKING TIME PROGRAMMED 3. VARIABLE COOKING CONTROL "HIGH" 4. "START" PAD TOUCHED FUSE 20A B7 RY4 BLK HOOD FAN THERMAL CUT OUT GRN 120 V AC. GND 60 Hz B5 RY5 High B3 N.C. B1 Low HOOD CAPACITOR HOOD A1 A3 MOTOR CONTROL UNIT COM. N.O. AH SENSOR F1 F2 SSR PRIMARY INTERLOCK RELAY B9 A7 F3 E1 RY3 RY1 A5 N.O. RY2 COM. DOOR SENSING E2 SWITCH WHT HOOD LAMP HL HL TTM OL FM STM POWER TRANSFORMER HIGH VOLTAGE CAPACITOR 0.94µF HIGH VOLTAGE RECTIFIER MAGNETRON TURNTABLE MOTOR FAN MOTOR OVEN LAMP STIRRER MOTOR MONITOR SWITCH SECONDARY INTERLOCK SWITCH Figure O-2. Oven Schematic-Cooking Condition 7