Related Manuals for National NN-V690P
Summary of Contents for National NN-V690P
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Page 1: Microwave Oven
ORDER NO. MOD0101240C3 Microwave Oven NN-V690P NN-V690PS NN-V680W NN-V680WS © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law. -
Page 2: Table Of Contents
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS CONTENTS Page Page 1 CONTROL PANEL 10 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM 2 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST METER PROCEDURE 11 INTRODUCING OF TEST JIGS 3 SCHEMATIC DIAGRAM 12 EXPLODED VIEW AND PARTS LIST... - Page 3 NN-V690P / NN-V690PS / NN-V680W / NN-V680W 20 INVERTER CIRCUIT 21 REF. NO. 35 INVERTER (U)
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Page 4: Control Panel
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 1 CONTROL PANEL... -
Page 5: Operation And Digital Programmer Circuit Test Procedure
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 2 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE... - Page 6 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS...
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Page 7: Schematic Diagram
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 3 SCHEMATIC DIAGRAM 3.1. SCHEMATIC DIAGRAM (HNE, KNQ, KKE, LNK, MNQ, SNM, TNE, YNQ) - Page 8 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 3.2. SCHEMATIC DIAGRAM (XNE, ZPE)
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Page 9: Description Of Operating Sequence
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 4 DESCRIPTION OF OPERATING SEQUENCE 4.1. Variable power cooking control HIGH VOLTAGE INVERTER POWER SUPPLY (U) controls output power by the signal from Digital Programmer Circuit (DPC). Power relay 1 stays on but the inverter drive signal to control it's output power. -
Page 10: Auto Sensor Reheat
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS refrigerator and room temperature foods. 4.5. One touch cooking (Auto Simply press the reheat pad. There is no need to select power sensor cooking) level and cooking time. Auto sensor cooking is a revolutionary way to cook by NOTE: The Auto Sensor Reheat process is same as Auto microwave without setting a power level or selecting a time. -
Page 11: Cautions To Be Observed When Troubleshooting
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 5 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is high- voltage, high-current equipment. Though it is free from danger in ordinary use, extreme care should be taken during repair. -
Page 12: Confirm After Repair
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS lamp holes on the cavity or any other holes gaps, because such objects may work as an antenna and cause microwave leakage. 5.6. Confirm after repair 1. After repair or replacement of parts, make sure that the screws of the oven, etc. -
Page 13: Disassembly And Parts Replacement Procedure
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 6 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 6.1. Magnetron 1. Discharge high voltage capacitors. 2. Remove A screw holding magnetron on bracket. 3. Remove 2 high voltage lead wires. 4. Remove circulation fan motor bracket and belt. (2 screws) 5. - Page 14 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 6.3. Digital programmer circuit (DPC) and membrane key board. NOTE: Be sure to ground any static electric charge built up on your body, before handling the DPC. 1. Disconnect all connectors from D.P.C.
- Page 15 NN-V690P / NN-V690PS / NN-V680W / NN-V680W 6.4. Door assembly 1. Remove door spring right side. NOTE: Please hold door unless door become fall down. 2. Remove door arm lever by pushing tab and turn clock wise. 3. Remove door spring left.
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Page 16: Turntable Motor
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 6.5. Turntable motor 1. Breaking off at 5 spots indicated by allow with a cutter or like. 2. Remove 2 screws holding motor cover. 3. Disconnect 2 lead wires from turntable motor. 4. Remove 2 screws holding turntable motor. - Page 17 NN-V690P / NN-V690PS / NN-V680W / NN-V680W...
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Page 18: Component Test Procedure
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 7 COMPONENT TEST PROCEDURE 7.3. Magnetron (NEW H.V.) Continuity checks can only indicate an open filament or a shorted magnetron. To diagnose for an open filament or shorted magnetron. 1. Isolate magnetron from the circuit by disconnecting the leads. - Page 19 NN-V690P / NN-V690PS / NN-V680W / NN-V680W 7.5. Inverter Power Supply (U) (NEW H.V.) 7.6. Inverter Power Supply (U) 7.7. Steam Sensor and Digital (NEW H,V,) Programmer Circuit DANGER HIGH VOLTAGE In order to determine if the steam sensor function of the digital...
- Page 20 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS connector (CN6) from the DPC otherwise a false reading may be indicated. NOTE 2: If checking an oven sensor thermistor just after the microwave oven has been operating, the sensor of course won't be room temperature. In this case the sensor must be...
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Page 21: Measurements And Adjustments
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 8 MEASUREMENTS AND ADJUSTMENTS 8.1. Adjustment of Primary latch switch, Secondary latch switch and short switch 1. When mounting Primary latch switch, Secondary latch switch and short switch to door hook assembly, mount the Primary latch switch, the Secondary latch switch and the short switch to the door hook assembly as shown in table. -
Page 22: Troubleshooting Guide (New H.v.)
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 9 TROUBLESHOOTING GUIDE (NEW H.V.) - Page 23 NN-V690P / NN-V690PS / NN-V680W / NN-V680W...
- Page 24 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 1. Discharge high voltage before touching Inverter PCB. 1. Visual check: 1. Unplug oven and leave it for more than 30 seconds before a. PCB board: Any crack on board, burnt printed copper removing outer cabinet.
- Page 25 NN-V690P / NN-V690PS / NN-V680W / NN-V680W 1. How to check power transistors (Q701, Q702). To measure, suck a solder from its legs completely unless faulse reading may observe and mislead a troubleshooting. Measure across pins between E-C, E-G, C-G, E-black lead, C-red lead of tester should be infinite and may have some reading in reverse, it is normal.
- Page 26 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 8. How to test repaired Inverter PCB. WARNING: 1. Do not test Inverter PCB with using any extention cable Open gounding of inverter PCB is so DANGER. 2. Make sure to check no Bridge solder nor cold solder joint.
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Page 27: How To Check The Semiconductors Using An Ohm Meter
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 10 HOW TO CHECK THE SEMICONDUCTORS USING AN OHM METER... -
Page 28: Introducing Of Test Jigs
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 11 INTRODUCING OF TEST JIGS 1. "Power Check" (Microwave Oven Tester) This tester can be measure both line voltage and ampares at a time for easy and quick testing microwave oven. Part number/Plug and Outlet type... - Page 29 NN-V690P / NN-V690PS / NN-V680W / NN-V680W 2. Universal outlet 3. Stainless steel ruler (150mm) Part No. A130005-150 It is convenient to use for adjustment of door. Also it is convenient to use for removing door C. 4. Flourescent light bulb (4W) Part No. A600Z-FL4W This is convenient for check whether microwave is oscillate or not in a second.
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Page 30: Exploded View And Parts List
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 12 EXPLODED VIEW AND PARTS LIST... -
Page 31: Parts List
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 13 PARTS LIST When ordering replacement part(s), please use number(s) shown in this parts list. Do not use description of the part. Important safety notice: Components identified by mark have special characteristics important for safety. - Page 32 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS Ref. Part No. Part Name & Description Pcs/ Remarks A62304210BP FUSE A63268960JP TURNTABLE MOTOR A64504J00XN EXHAUST GUIDE B A65434X80MN EXHAUST GUIDE C A65854X80MN P. C. B. HOLDER A A66264J00XN THERMAL CUTOUT MOUNT A66624X80MN...
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Page 33: Door Assembly
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 14 DOOR ASSEMBLY Ref. Part No. Part Name & Description Pcs/ Remarks A302K4J00XN DOOR E (U) A302A4Y60GHN DOOR A (U) NN-V690P HNE/KKE/KNQ/MNQ/SNM/TNE/YNQ/LNK NN-V690PS A302A4Y60GZP DOOR A (U) NN-V690P ZPE A302A4Y70HHN DOOR A (U) -
Page 34: Escutcheon Base Assembly
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 15 ESCUTCHEON BASE ASSEMBLY Ref. Part No. Part Name & Description Pcs/ Remarks A83374Y60GMN ESCUTCHEON SHEET NN-V690P HNE/MNQ/TNE/YNQ/LNK A83374Y60GKN ESCUTCHEON SHEET NN-V690P KKE/KNQ/SNM A83374Y60GXN ESCUTCHEON SHEET NN-V690PS A83374Y60GZP ESCUTCHEON SHEET NN-V690P ZPE A83374Y70GMN ESCUTCHEON SHEET... - Page 35 NN-V690P / NN-V690PS / NN-V680W / NN-V680W Ref. Part No. Part Name & Description Pcs/ Remarks A603L4Y60TN D.P.CIRCUIT (U) NN-V690P TNE RTL(W/COMPONENT) A603L4Y60YN D.P.CIRCUIT (U) NN-V690P YNQ RTL(W/COMPONENT) A603L4Y60XN D.P.CIRCUIT (U) NN-V690PS NN-V680WS RTL(W/COMPONENT) A603L4Y60LN D.P.CIRCUIT (U) NN-V690P LNK RTL(W/COMPONENT)
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Page 36: Packing And Accesories
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 16 PACKING AND ACCESORIES Ref. Part No. Part Name & Description Pcs/ Remarks A000B4Y60MN COOK BOOK NN-V690P HNE/MNQ/TNE/YNQ/LNK A000B5820KN COOK BOOK NN-V690P KKE/KNQ/SNM A000B8240ZP COOK BOOK NN-V690P ZPE A00034Y60HN INSTRUCTION BOOK NN-V690P HNE/MNQ/TNE/YNQ/LNK... - Page 37 NN-V690P / NN-V690PS / NN-V680W / NN-V680W Ref. Part No. Part Name & Description Pcs/ Remarks A01134J00XN TRAY STYROL A0192-1100 PACKING A01174J00KN TRAY PACKING NN-V690P KNQ/KKE/SNM A01264J00XN REINFORCE MATERIAL NN-V690P KNQ/KKE/SNM/ZPE NN-V690PS NN-V680WS...
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Page 38: Wiring Material
NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 17 WIRING MATERIAL Ref. Part No. Part Name & Description Pcs/ Remarks A030A4Y60MN LEAD WIRE HARNESS NN-V690P HNE/MNQ/YNQ/TNE/KNQ/KKE/SNM/LNK A030A4Y60XN LEAD WIRE HARNESS NN-V690P ZPE NN-V690PS NN-V680WS A030E4X80MN LEAD WIRE A030E4X80MN LEAD WIRE A6901-1170... -
Page 39: Digital Programmer Circuit
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 18 DIGITAL PROGRAMMER CIRCUIT SCHEMATIC DIAGRAM... - Page 40 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS...
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Page 41: Digital Programmer Circuit
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 19 DIGITAL PROGRAMMER CIRCUIT PARTS LIST Ref. Part No. Part Name & Description Pcs/ Remarks BZ210 AEFB22EP20TL BUZZER 2.0KHZ EEUFC1C471B ELECTROLYTIC CAPACITOR AL 470MF/16V/FC AECESS1C220A ELECTROLYTIC CAPACITOR AL 22MF/16V C12 14 AECU1F104Z25 CERAMIC CAPACITOR 0.1MF/25V... - Page 42 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS Ref. Part No. Part Name & Description Pcs/ Remarks Q220 AESAKTA200Y TRANSISTOR SI 0.6W KTA200Y Q221 AESA14EKE TRANSISTOR SI 0.2W DTA114EKA/14 820KΩ Ω Ω Ω 1/4W 5% ERDS2TJ821T CARBON FILM RESISTOR 39KΩ Ω Ω Ω 1/2W 5%...
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Page 43: Inverter Circuit
NN-V690P / NN-V690PS / NN-V680W / NN-V680W 20 INVERTER CIRCUIT SCHEMATIC DIAGRAM... - Page 44 NN-V690P / NN-V690PS / NN-V680W / NN-V680WS 21 REF. NO. 35 INVERTER (U) Ref. Part No. Part Name & Description Pcs/ Remarks A697X4V00GP 2SA1175TFK TRANSISTOR SI 0.25W 2SA1175TFEK 2SC2785TFK TRANSISTOR SI 0.25W 2SC2785TFEK C701 ECWF5104N300 FILM CAPACITOR 0.1MF 500VDC C702...