GE JVM1790SK - Profile 1.7 cu. Ft. Convection Microwave Service Manual

Also see for JVM1790BK - Profile 1.7 cu. Ft. Convection Microwave: Owner's manual Dimension Guide Service manual

IMPORTANT NOTES:UNIT MUST BE DISCONNECTED FROM ELEC-TRICAL OUTLET WHEN MAKING REPAIRS, RE-PLACEMENTS, ADJUSTMENTS AND CONTIN-UITY CHECKS. WAIT AT LEAST ONE MINUTE,UNTIL THE HIGH VOLTAGE CAPACITOR IN THEHIGH VOLTAGE POWER SUPPLY HAS FULLYDISCHARGED.THE CAPACITOR SHOULD BE DISCHARGED BYUSING INSULATED WIRE - I.E. TEST PROBECONNECTED TO 10K-OHM RESISTOR IN SERIESTO GROUND.WHEN RECONNECTING THE WIRE LEADS TOANY PART, MAKE SURE THE WIRING CONNE-CTIONS AND LEAD COLORS ARE CORRECTLYMATCHED ACCORDING TO THE OVERALL CIR-CUIT DIAGRAM. (ESPECIALLY SWITCHES ANDHIGH VOLTAGE CIRCUIT.)A. REMOVING POWER AND CONTROLCIRCUIT BOARD (Figures 1, 2 and 3)(1) Disconnect power at the main fuse or circuitbreaken, or pull the plug. Remove the top grille byremoving the two screws that hold it in place.(2) Remove a screw securing the control panelassembly to the oven cavity.(3) Remove the control panel with pushing it upward.(4) Remove the six connectors (CN1, CN2, CN3, CN5,CN6, CN8) and wire leads (Relay2, Relay11) fromthe circuit board.(5) Remove 7 screws securing the circuit board.(6) Remove the FPC connector from the terminalsocket following “HOW TO REMOVE THE FPCCONNECTOR” on the next page.(7) Remove the knob.(8) Remove the circuit board from the control bracketcarefully.7-4DISASSEMBLY INSTRUCTIONSFigure 1Control PanelScrewPowerTransformer(CN2)(CN1)(Relay 2)(CN6)(Relay 11)(CN5)(CN3)(CN8)Circuit BoardFigure 2FPC Connector(S1)Control BracketCircuit BoardFigure 3