Sharp R-1505F Service Manual - Page 11

NOTE: " " indicates components with potential above 250V. CAVITY THERMAL CUT-OUT MAGNETRON TEMPERATURE FUSE R-1500 R-1501 R-1505 R-1506 SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. WHT BLK FUSE 20A HOOD FAN THERMAL CUT OUT GRN 120 V AC. GND 60 Hz CONTROL UNIT N.O. COM. E2 A5 RY4 B5 RY3 High B7 N.C. B9 Low HOOD CAPACITOR RY6 RY5 OVEN LAMP RELAY RY1 RY2 SECONDARY INTERLOCK RELAY DOOR SENSING SWITCH E1 HOOD A1 A3 B1 MOTOR B3 N.O. COM. POWER TRANSFORMER HIGH VOLTAGE CAPACITOR 0.94µF/ AC2300V HOOD LAMP HL HL OL TTM FM HIGH VOLTAGE RECTIFIER OVEN LAMP TURNTABLE MOTOR FAN MOTOR MONITOR SWITCH MAGNETRON CAVITY THERMAL CUT-OUT PRIMARY 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" BUTTON PRESSED. WHT BLK FUSE 20A HOOD FAN THERMAL CUT OUT GRN 120 V AC. GND 60 Hz CONTROL UNIT N.O. COM. E2 A5 RY4 B5 RY3 High B7 N.C. B9 Low HOOD CAPACITOR RY6 RY5 OVEN LAMP RELAY RY1 RY2 SECONDARY INTERLOCK RELAY DOOR SENSING SWITCH E1 HOOD A1 A3 B1 MOTOR B3 N.O. COM. POWER TRANSFORMER HIGH VOLTAGE CAPACITOR 0.94µF/ AC2300V HOOD LAMP HL HL OL TTM FM HIGH VOLTAGE RECTIFIER OVEN LAMP TURNTABLE MOTOR FAN MOTOR MONITOR SWITCH MAGNETRON PRIMARY INTERLOCK SWITCH Figure O-2. Oven Schematic-Cooking Condition 9