GE Profile PHB925SB1SS Technical Service Manual

Contents

– 19 –Operation OverviewThe controls for the oven system consist of akey panel touch-film-on-glass assembly andmain logic board with its model-select resistorplug located in the control panel. There is alsoone RTD oven sensor, optional meat probe,and a motor door lock assembly with positionswitches. The oven and warming drawer arecontrolled by relays found on the RPSM mainboard.TouchControlLockMotorOvenSensorMLBMain Logic BoardRPSMRelay PowerSupply ModuleConvectionFanHeatingElementsOven Flow ChartThere are four induction cooktop coils. Thecontrols for the cooktop module consist oftwo burner touch boards connected to andworking through the main logic board. Themain logic board is connected via the localinterconnect network (LIN) serial wire to thecooktop module and a relay power supplyboard (RPSM) located on the back of the unit.A fifth cooktop element is a resistive warmercontrolled by RPSM relays. (See Schematicsand Wiring Diagrams.) No relay boards or linevoltage are brought to the control panel.The bridge board contains the surface on/hot cooktop indicator lights. The inductionmodule cooling fan connection is also locatedon this board. This board bridges the Linbusconnections from the filter board and mainlogic board along with the RPSM.TouchControlInputsFilterBoardProcessingGeneratorBoardOutputsElementGeneratorBoardOutputsElementInduction Flow ChartBridgeBoardRPSMRelay PowerSupply ModuleMLBMain Logic BoardLinbus Operating Voltage