GE Spacemaker JVM1540 Technical Service Manual Download Page 22 | Manualshive

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Fan Retainer

5. Disconnect wiring to the primary of the high

voltage transformer.

Disconnect

View From Right Side

6. Remove 3 Phillips-head screws attaching the

cooling fan frame to the microwave.

7. Move the cooling fan frame out of the oven,

through the right side of the microwave.

8. Using a small

fl

at blade screwdriver, carefully

remove the fan retainer.

9. Remove 2 Phillips-head screws that attach the

fan motor to the cooling fan frame.

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Summary of Contents for Spacemaker JVM1540

Page 1: ...ol Lock Reminder Help Time Cook Defrost Auto Time Timer On Off Delay Start Add 30 Sec Power Level Clock Vent Fan Auto Nite Light Surface Light AM PM Scroll Speed Start Pause Vegetable 1 2 3 4 5 6 7 8 9 0 Clear Off Display Popcorn Beverage Reheat Potato Time Cook Defrost Auto Time Express Cook Convenience Cooking Reminder Timer On Off Delay Start Add 30 Sec Power Level Clock AM PM Turn Table Surfac...

Page 2: ...ic Company PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY A DO NOT OPERATE OR ALLOW THE OVEN TO BE OPERATED WITH THE DOOR OPEN B IF THE OVEN OPERATES WITH THE DOOR OPEN INSTRUCT THE USER NOT TO OPERATE THE OVEN AND CONTACT THE MANUFACTURER IMMEDIATELY C MAKE THE FOLLOWING SAFETY CHECKS ON ALL OVENS TO BE SERVICED BEFORE ACTIVATING TH...

Page 3: ... 26 Door Assembly 25 Door Interlock Switches 24 Duct Assembly 18 Grill Assembly 16 High Voltage Transformer 23 Hood Thermal Cutout TCO 19 Interior Light 17 Interlocks Door Latch Switches 28 Introduction 5 Key Panel Test 29 Line Fuse 20 Magnetron 21 Magnetron Thermal Cutout TCO 19 Noise Filter 20 Nomenclature 4 Outer Cover 15 Oven Removal 15 Schematics and Wiring Diagrams 30 Smart Board 18 Stirrer ...

Page 4: ...right side of the oven Nomenclature Microwave Oven V Externally Vented Over the Range Product J GE Cooking Product Cavity Size cu ft 15 1 5 cu ft 17 1 7 cu ft Nomenclature Model Door Color D Color Matched The letter designating the year repeats every 12 years Example T 1974 T 1986 T 1998 Serial Number The first two numbers of the serial number identify the month and year of manufacture Example AS1...

Page 5: ...ost Auto defrost sets the defrosting time and power levels to deliver even defrosting results for up to 6 pounds of meats poultry and fish Time defrost defrosts for the length of time you specify Turntable On Off Rotate food for even cooking or disable the turntable to accommodate large casserole dishes Removable Two Position Oven Rack The removable oven rack features two positions that allow more...

Page 6: ...several foods at once Food microwaves best when placed directly on the oven floor or turntable 5 Touch Control Panel You must set the clock and calendar before using the microwave 6 Cooktop Light 7 Grease Filter 8 Removable Turntable Turntable and support must be in place when using the oven The turntable may be removed for cleaning 9 Convenience Guide NOTE Rating plate oven vent s and oven light ...

Page 7: ...anel 5 Cooktop Light 6 Grease Filter 7 Removable Turntable Turntable and support must be in place when using the oven The turntable may be removed for cleaning 8 Convenience Guide 9 Shelf some models Lets you microwave several foods at once Food microwaves best when placed directly on the turntable Available at an extra cost from your GE supplier or see GE Service Numbers 10 Rating Plate Located o...

Page 8: ...er weight DEFROST AUTO TIME Food weight Press once 2 2 3 Sensor Features Press Enter Option POPCORN Starts immediately more less time BEVERAGE Starts immediately REHEAT Starts immediately more less time POTATO Starts immediately more less time VEGETABLE on some models Starts immediately more less time Press once fresh vegetables more less time Press twice frozen vegetables more less time Press thr...

Page 9: ...ediately 1 You can microwave by time temperature or with the convenience features JVM1540 Controls Convenience Features Press Enter Option COOK on some models Food type 1 9 weight POPCORN Starts immediately more less time serving size REHEAT See Reheat Guide serving size BEVERAGE Starts immediately serving size POTATO Starts immediately serving size VEGETABLE on some models Food type 1 3 weight DE...

Page 10: ...d for a full 3 seconds To end the Demo Mode touch and hold the HELP pad for a full 3 seconds As pads are pressed in the Demo Mode explanations of the pads functions will be scrolled across the display screen No components will actually be energized however during Demo Mode ...

Page 11: ... 11 Component Locator Views Front View Continued Next Page Front View Control Panel Assembly Removed Grill Assembly Control Panel Assembly Turntable Shaft Cooling Fan Motor Bottom TCO Hood TCO ...

Page 12: ... 12 Right Side View Magnetron High Voltage Transformer Cooling Fan Motor Cooling Fan High Voltage Capacitor Magnetron TCO Fuse Diode Vent Motor Capacitor Bottom TCO Hood TCO ...

Page 13: ...ards and Panel Connections Front Side Back Side Continued Next Page CN202 CN201 RY203 CN301 CN401 CN201 Vent Motor CN202 Turntable Motor Cooktop Lamp CN301 Gas Sensor CN401 Hood TCO Door Sensing Switch RY203 Secondary Relay Power Relay ...

Page 14: ... 14 JVM1540 Smart Board Back Side Front Side RY203 CN202 CN401 CN201 CN201 Vent Motor CN202 Turntable Motor Cooktop Lamp CN401 Hood TCO Door Sensing Switch RY203 Secondary Relay Power Relay ...

Page 15: ...en removing the oven be sure to provide adequate support to prevent dropping the unit Pull the unit forward slowly 4 Outer Cover To gain access to many of the oven components it is necessary to remove the outer cover To remove the outer cover Remove the oven See 1 Oven Removal Remove 4 Phillips head screws from the top of 2 the oven Note Model JVM1540 has 5 Phillips head screws on the top of the o...

Page 16: ...remove the vent blower Remove the oven See 1 Oven Removal Remove 2 Phillips head screws from the back of 2 the oven 3 Lift the vent blower cover up to expose the vent blower View From Rear 4 Lift out the vent blower and place it on top of the oven side as shown below and disconnect the electrical connector to the vent blower Electrical Connector View From Rear View From Rear Disconnect Grill Assem...

Page 17: ...ntrol Panel Assembly The control panel assembly consists of a smart board frame and a touch pad escutcheon To remove the control panel assembly Disconnect power to the microwave oven 1 Open the oven door 2 Remove the grill assembly See 3 Grill Assembly 4 Remove the Phillips head screw that attaches the control panel to the oven Model JVM1750 Model JVM1540 Continued Next Page To remove the grill as...

Page 18: ...vity Thermal Cutout The cavity thermal cutout is located on the top side of the oven cavity beside the exhaust duct The cutout has a temperature rating of 212 F The cavity TCO is not resettable To remove the oven thermal cutout Remove the outer cover See 1 Outer Cover Remove the duct assembly See Du 2 ct Assembly Disconnect wiring to the oven thermal cutout 3 Slide the oven thermal cutout to the l...

Page 19: ...e control panel assembly See 1 Control Panel Assembly Disconnect wiring to the hood TCO 2 Remove the Phillips head screw attaching the 3 hood TCO to the oven and pull the TCO forward Disconnect Disconnect Magnetron Thermal Cutout TCO The magnetron TCO is located on the magnetron and opens when the magnetron temperature reaches 302 F The magnetron TCO is a normally closed switch An open reading acr...

Page 20: ...le near the top of the noise filter and is common to all functions and door switches To remove the fuse Disconnect power to the microwave oven 1 Remove the control panel assembly See 2 Control Panel Assembly Remove the fuse 3 Noise Filter The noise filter helps to suppress electromagnetic interference EMI radiating from the operation of the oven and also protects the oven from any line noise The n...

Page 21: ...n above the cooling fan To remove the vent fan motor capacitor Remove the outer cover See 1 Outer Cover Disconnect wiring to the motor capacitor 2 Remove the Phillips head screw that attaches 3 the motor capacitor to the oven Disconnect Disconnect View From Right Side Disconnect Disconnect Disconnect Cooling Fan Motor The cooling fan and motor are located on the right side of the microwave oven To...

Page 22: ...Remove 3 Phillips head screws attaching the cooling fan frame to the microwave 7 Move the cooling fan frame out of the oven through the right side of the microwave 8 Using a small flat blade screwdriver carefully remove the fan retainer 9 Remove 2 Phillips head screws that attach the fan motor to the cooling fan frame ...

Page 23: ...hat attaches 3 the capacitor and diode to the oven and remove the high voltage capacitor Disconnect the diode from the high voltage 4 capacitor Disconnect Disconnect Diode High Voltage Transformer The high voltage transformer is located on the right side of the microwave oven beneath the magnetron WARNING Prior to servicing the transformer be certain the capacitor is discharged Manually discharge ...

Page 24: ...m switch which in turn activates the monitor switch The switch is intended to render the oven inoperative by means of blowing the monitor fuse when the contacts of the primary interlock switch and power relay fail to open when the door is opened Functions When the door is opened the monitor switch is closed At this time the primary interlock switch and the power relay are open As the door goes to ...

Page 25: ... watt incandescent bulbs part number WB06X10823 Note Model JVM1750 has two bulbs The JVM1540 model has a single bulb To remove the surface lamp assemblies Remove the Phillips head screw from the 1 surface lens panel then open the panel 2 Carefully remove the bulbs Door Assembly The door is available as a complete assembly or as individual parts A microwave leakage test must be performed any time a...

Page 26: ... 26 Diagnostics and Service Information JVM1750 Diagnosis Flow Chart Continued next page SMPS SWITCHING MODE POWER SUPPLY ...

Page 27: ... 27 JVM1540 Diagnosis Flow Chart SMPS SWITCHING MODE POWER SUPPLY ...

Page 28: ...e switch wiring 6 Test the circuit operation a Connect temporary jumper across relay contacts and primary switch to simulate shorted switch contacts Locate convenient connections in circuit to be certain COM and N O terminals are used b Connect an ohmmeter Low Scale across the two line terminals of the appliance power cord Continuity must show Door Closed Some Ω Door Open 0 Ω c Remove the 20 Amp f...

Page 29: ...R 5 13 6 4 16 TIME COOK 5 15 7 9 15 DELAY START 6 13 8 8 15 CLEAR 3 12 9 7 15 CLOCK 7 13 0 6 15 JVM1540 JNM1541 HVM1540 PAD CONN BEVERAGE 6 11 POPCORN 5 11 POTATO 5 14 REHEAT 9 14 HVM1540 ONLY PAD CONN VEGETABLE 4 14 RIBBON JVM1750 HVM1750 EVM1750 PAD CONN PAD CONN ADD 30 SEC 4 11 AM PM 9 13 HELP 4 12 START 3 11 TIMER ON OFF 4 13 CLEAR 3 12 VEGETABLE 5 10 POWER LEVEL 3 14 TURNTABLE 5 12 DEFROST 4 ...

Page 30: ... 30 Schematics and Wiring Diagrams Continued Next Page JVM1750 Schematic Diagram ...

Page 31: ... 31 JVM1750 Wiring Diagram ...

Page 32: ... 32 JVM1540 Schematic Diagram ...

Page 33: ... 33 JVM1540 Wiring Diagram ...

Page 34: ... is located in an area where service by a GE Authorized Servicer is not available you may be responsible for a trip charge or you may be required to bring the product to an Authorized GE Service Location for service In Alaska the warranty excludes the service calls to your home Some states do not allow the exclusion or limitation of incidental or consequential damages This warranty gives you speci...

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