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ORDER NO. MOD0108247C1
E10
Microwave Oven
NE-3280
NE-2180
NE-2180C
© 2001 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
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NE-3280 / NE-2180 / NE-2180C CONTENTS Page Page 1 CONTROLPANEL 4 11 DISASSEMBLY AND PARTS REPLACEMENT 17 2 OPERATIONPROCEDURE 5 12 COMPONENT TEST PROCEDURE 21 3 SCHEMATICDIAGRAM NE-3280 (USA) 9 13 MEASUREMENTS AND ADJUSTMENTS 23 4 WIRINGDIAGRAM NE-3280 (USA) 10 14 PROCEDURE FOR MEASURING RADIATION LEAKAGE 24 5 SCHEMATICDIAGRAM NE-2180C (CANADA) 11 15 TROUBLESHOOTING GUIDE 26 6 WIRINGDIAGRAM NE-2180C (CANADA) 12 16 EXPODED VIEW AND PARTS LIST 28 7 SCHEMATICDIAGRAM NE-2180 (USA) 13 17 PART
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NE-3280 / NE-2180 / NE-2180C 21 WIRING MATERIAL 37 23 DIGITAL PROGRAMMER CIRCUIT 42 22 DIGITAL PROGRAMMER CIRCUIT 40 3
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NE-3280 / NE-2180 / NE-2180C 1 CONTROLPANEL 4
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NE-3280 / NE-2180 / NE-2180C 2 OPERATIONPROCEDURE 5
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NE-3280 / NE-2180 / NE-2180C 6
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NE-3280 / NE-2180 / NE-2180C 7
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NE-3280 / NE-2180 / NE-2180C 8
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NE-3280 / NE-2180 / NE-2180C 3 SCHEMATICDIAGRAMNE-3280(USA) 9
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NE-3280 / NE-2180 / NE-2180C 4 WIRINGDIAGRAMNE-3280(USA) NOTE: When replacing, check the lead wire colour as shown. 10
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NE-3280 / NE-2180 / NE-2180C 5 SCHEMATICDIAGRAMNE-2180C(CANADA) 11
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NE-3280 / NE-2180 / NE-2180C 6 WIRINGDIAGRAMNE-2180C(CANADA) NOTE: When replacing, check the lead wire colour as shown. 12
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NE-3280 / NE-2180 / NE-2180C 7 SCHEMATICDIAGRAMNE-2180(USA) 13
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NE-3280 / NE-2180 / NE-2180C 8 WIRINGDIAGRAMNE-2180(USA) NOTE: When replacing, check the lead wire colour as shown. 14
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NE-3280 / NE-2180 / NE-2180C 9 DESCRIPTIONOFOPERATINGSEQUENCE Variable power cooking control shown in table. The coil of power relays are energized intermittently by the NOTE: digital programmer circuit, when the oven is set at any power ON-OFF time of power relays are changed by digital selection except for High power position. The digital programmer circuit when remaining cooking time or programmer circuit controls the ON-OFF time of the power selected cooking time are within 8 minutes at MED,
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NE-3280 / NE-2180 / NE-2180C 10 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is high- 10.3. Whenpartsmustbereplaced, voltage, high-current equipment. Though it is free from danger in ordinary use, extreme care should be taken during repair. remove the power plug from CAUTION the outlet. Servicemen should remove their watches whenever working close to or replacing the magnetron. 10.4. Whenthe15Amp.(NE- 2180/NE-2180C) or 20 Amp. 10.1. Checktheground
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NE-3280 / NE-2180 / NE-2180C 2. Make sure that all electrical connections are tight before 10.6. Confirmafterrepair inserting the plug into the wall outlet. 1. After repair or replacement of parts, make sure that the 3. Check for microwave energy leakage. (Refer to procedure screws of the oven, etc. are neither loose nor missing. for measuring microwave energy leakage.) 11 DISASSEMBLY AND PARTS REPLACEMENT CAUTION Servicemen should remove their watches whenever working close to or replacing t
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NE-3280 / NE-2180 / NE-2180C NOTE: Do not use a soldering iron or desoldering tool of more than 30 watts on DPC contacts. 2. With all the terminal pins cleaned and separated from DPC contacts, remove the defective transformer/power relays and install new transformer/power relays making sure all terminal pins are inserted completely. Resolder all terminal contacts carefully. 11.4. Disassemblyofdoorassembly 1. Detach the door spring ends from right and left door arms. 2. Remove the arm lever ri
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NE-3280 / NE-2180 / NE-2180C 2. Remove 2 screws holding upper antenna assy by inserting screwdriver through the opening on the antenna as shown in figure. 11.6. Lowerantenna(Rightand Left) Lower antenna (Right and Left) 1. To remove the floor shelf, insert a screwdriver through the openings on the right and left sides of the oven cavity and carefully lift the floor shelf as shown in figure. 2. Remove 2 screws holding lower antenna assy by inserting screwdriver through the opening on the anten
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NE-3280 / NE-2180 / NE-2180C Upper PART NO.: Antenna ANE61446030AP Motor (RATED: 120V) Lower PART NO.: Antenna A6144-3280 Motor (RATED: 120V) 11.9. Program,BeepandProgram Lock switches board. (P.C.Board F assy) 1. Remove air filters. 2. Place the unit on its left side carefully. 3. Peel off panel B. 4. Remove 1 screw holding cover. (Figure) 5. Remove 2 screws holding switch assy. 6. Remove connector and remove 2 screws holding switch board. 11.10. Voltage selection (208V→ →230V) → → 1. Re
