Main Pcb - LG LRE30755SW Service Manual

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