Main Pcb - LG LRE30451 Service

COMPOSITION OF CONTROL

Main PCB

Main PCB
P/N : 6871W1N009A
Main function
▶ Supply a DC power source (GND, -5V, -12V(Vry(oven heater switching)), -30V)
▶ Oven heater control
(DLB / Broil / Bake / Warming drawer / convection)
▶ Oven display control
▶ Warming drawer display control
▶ Cook top heater control
(Warmer zone / RR / LR / RF / LF)
▶ Cook top display control
▶ Oven lamp / door lock motor / convection fan control
▶ Detecting oven temperature / warming drawer temperature
▶ Buzzer sound control
▶ Key entry
▶ Door open/close, Door lock/unlock detection
▶ Error mode detection and pop up
▶ Supervising hot cook top element
5-2