Related Manuals for Panasonic NN-GD693S
Summary of Contents for Panasonic NN-GD693S
- Page 1 ORDER NO.PAPMOSH1301014CE Microwave Oven NN-GD693S RPH (MEXICO & LATIN AMERICA) © Panasonic Appliances Microwave Oven (Shanghai) Co., Ltd. 2013.
- Page 2 NN-GD693S...
- Page 3 NN-GD693S...
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Page 4: Table Of Contents
NN-GD693S CONTENTS Page Page 1 SCHEMATIC DIAGRAM 5.3. Magnetron 2 DESCRIPTION OF OPERATING SEQUENCE 5.4. Inverter power supply (U) 2.1. Variable power cooking control 5.5. Temperature thermistor 2.2. Inverter power supply circuit 6 MEASUREMENTS AND ADJUSTMENTS 2.3. Inverter defrost 6.1. Adjustment of primary interlock switch, secondary interlock 2.4. -
Page 5: Schematic Diagram
NN-GD693S 1 SCHEMATIC DIAGRAM... -
Page 6: Description Of Operating Sequence
NN-GD693S 2 DESCRIPTION OF OPERATING SEQUENCE 2.1. Variable power cooking 2.3. Inverter defrost control When the Auto Control feature is selected and the Start pad is tapped: High Voltage Inverter Power Supply (U) controls output power 1. The digital programer circuit determines the power level and by the signal from Digital Programmer Circuit (DPC). -
Page 7: Sensor Reheat
NN-GD693S Explanation of the Auto Sensor Cooking process NOTE: 1. During the first 10 second period there is no microwave When "More" or "Less" pad is selected, the K factor varies activity. When calculating the T2 time by using the resulting in T2 time to be increased or decreased. -
Page 8: Cautions To Be Observed When Troubleshooting
NN-GD693S 3 CAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING Unlike many other appliances, the microwave oven is a high voltage, high current device. It is free from danger in ordinary use, though extreme care should be taken during repair. CAUTION Servicemen should remove their watches and rings whenever working close to or replacing the magnetron. -
Page 9: Part Replacement
NN-GD693S 3.6. Verification after repair Discharging the high voltage capacitors WARNING 1. After repair or replacement of parts, make sure that the There is high voltage present with high current capabilities screws of the oven, etc. are neither loosen or missing. -
Page 10: Disassembly And Parts Replacement Procedure
NN-GD693S 4 DISASSEMBLY AND PARTS REPLACEMENT PROCEDURE 4.1. Magnetron 1. Discharge the high voltage capacitor. 2. Remove 1 screw holding air guide A on the magnetron. 3. Remove 1 screw holding air guide A on cavity top plate. 4. Remove 1 screws holding thermistor on the magnetron. -
Page 11: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)
NN-GD693S 4.5. Door assembly 1. Support the door, remove 3 screws holding hinge A. 4.3. Low voltage transformer and/or power relays (RY1, RY2) CAUTION: 2. Open the door, remove door(U) and hinge A from cavity. Be sure to ground any static electric charge built up in NOTE: your body before handling the DPC. - Page 12 NN-GD693S 6. Replace other components. 9. Tighten 2 mounting screws. To re-install components: NOTE: After replacement of the defective component parts of the door, reassemble it properly and adjustment so as to prevent an excessive microwave leakage. Adjustment of the door assembly (Refer page 18).
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Page 13: Turntable Motor
NN-GD693S 4.6. Turntable motor 4.7. Quartz heater 1. Remove the motor cover by breaking off at the 8 spots 1. Disconnect lead wires from both side of heater terminals. indicated by arrows with a cutter or the like. 2. Remove 2 screws holding upper heater panel to remove it. -
Page 14: Steam Sensor
NN-GD693S 4.8. Steam sensor 4. Remove the heater by pulling it out from the cavity left side. 1. Disconnect connector CN2 from digital programmer circuit board. 2. Disengage catch hooks on sensor cover C from orifice. 3. Remove steam sensor from orifice. -
Page 15: Inverter Power Supply
NN-GD693S 4.9. Inverter power supply 6. Remove 1 screw holding H.V.Inverter to Inverter bracket. CAUTIONS 1. Always leave the grounding plate in place. 2. Always securely tighten the ground screw through the bottom of the chassis (base). 3. Securely connect 3 lead wire connectors. -
Page 16: Component Test Procedure
NN-GD693S 5 COMPONENT TEST PROCEDURE 5.3. Magnetron WARNING 1. High voltage is present at the output terminals of the High Voltage Inverter (U) including aluminum heat sink during any cook cycle. Continuity checks can only indicate an open filament or a 2. -
Page 17: Inverter Power Supply (U)
NN-GD693S 5.4. Inverter power supply (U) 5. Program oven at High power for 1 minute and press [Start] button. DO NOT try to REPAIR H.V. Inverter power supply a. After approximately 3 seconds, oven stops operating. (U).Replace complete H.V. Inverter(U) Unit. -
Page 18: Measurements And Adjustments
NN-GD693S 6 MEASUREMENTS AND ADJUSTMENTS 6.1. Adjustment of primary interlock switch, secondary interlock switch and monitor switch. 1. Mount the Primary interlock switch, the Secondary interlock switch and the Monitor switch to the door hook assembly as shown in illustration. -
Page 19: Procedure For Measuring Microwave Energy Leakage
NN-GD693S 7 PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGE 7.2.1. Measurement with the outer panel removed. Whenever you replace the magnetron, measure for radiation leakage before the outer panel is installed and after all necessary components are replaced or adjusted. Special care should be taken in measuring around the magnetron. -
Page 20: At Least Once A Year, Have The Radiation Monitor Checked For Calibration By Its Manufacturer
NN-GD693S 7.4. At least once a year, have the radiation monitor checked for calibration by its manufacturer. -
Page 21: Troubleshooting Guide
NN-GD693S 8 TROUBLESHOOTING GUIDE DANGER: HIGH VOLTAGES 1. DO NOT RE-ADJUST PRESET CONTROL on the H.V.Inverter (U). It is very dangerous to repair or adjust without proper test equipment because this circuit generates very large current and high voltage. Operating a misaligned inverter circuit is dangerous. -
Page 22: Troubleshooting) Oven Stops Operation During Cooking
NN-GD693S 8.1. (Troubleshooting) Oven stops operation during cooking SYMPTOM CAUSE CORRECTIONS 1. Oven stops 3 seconds after No 120V AC is supplied to H.V.Inverter (U) CN702 1. Interlock Switch pressing [Start] button terminals 2. Power relay RY1 3. Loose lead wire connector CN701, CN702 4. -
Page 23: Troubleshooting) Other Problems
NN-GD693S 8.2. (Troubleshooting) Other problems SYMPTOM CAUSE CORRECTIONS 1. Oven is dead. 1. Open or loose lead wire harness Fuse is OK. 2. Open thermal cutout / thermistor Check thermal cutout is defective. No display and no operation at all. -
Page 24: Troubleshooting Of Inverter Circuit (U) And Magnetron
NN-GD693S 8.3. Troubleshooting of inverter circuit (U) and magnetron This oven is programmed with a self diagnostics failure code system which will help for troubleshooting. H95, H97, H98 and H99 are the provided failure codes to indicate magnetron and inverter circuit problem areas. This section explains failure codes of H95, H97, H98 and H99. -
Page 25: Trouble Related To Digital Programmer Circuit
NN-GD693S 8.4. Trouble related to Digital Programmer Circuit SYMPTOM STEP CHECK RESULT CAUSE/CORRECTIONS →Step2 No display when oven is first plugged Fuse pattern of D.P.C. Normal Open Replace D.P.C. or Fuse Pattern Low voltage transforment (L.V.T.) Abnormal 0V L.V.T. secondary voltage →Step3... -
Page 26: Simple Way Of H.v. Inverter/Magnetron Troubleshooting
NN-GD693S 8.5. SIMPLE WAY OF H.V. INVERTER/MAGNETRON TROUBLESHOOTING Purpose: Simple way (3/23 seconds rule) of identifying whether it’s Magnetron, Inverter or others. Set-up: The unit under question is connected through the Ammeter as shown below. Procedure: Follow the matrix table below to identify the problem source. -
Page 27: How To Check The Semiconductors Using An Ohm Meter
NN-GD693S 8.7. How to check the semiconductors using an OHM meter... -
Page 28: Exploded View And Parts List
NN-GD693S 9 EXPLODED VIEW AND PARTS LIST 9.1. EXPLODED VIEW... -
Page 29: Parts List
NN-GD693S 9.2. PARTS LIST NOTE: 1. When ordering replacement part(s), please use part number(s) shown in this part list. Do not use description of the part. 2. Important safety notice: Components identified by mark have special characteristics important for safety. - Page 30 NN-GD693S Ref. No. Part No. Part Name & Description Pcs/Set Remarks F03349X90RP MENU LABEL...
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Page 31: Escutcheon Base Assembly
NN-GD693S 9.3. ESCUTCHEON BASE ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L9X90RP D.P.CIRCUIT (AU) F603Y9X90RP D.P.CIRCUIT (DU) F800L9X90SRP ESCUTCHEON BASE (U) F891P9Y40NAP DOOR OPENING BUTTON (U) F82569Y00AP DOOR OPENING LEVER F80375K00AP COOK BUTTON SPRING F803G9M60SBP POP-OUT DIAL (U) -
Page 32: Door Assembly
NN-GD693S 9.4. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F30189Y00AP DOOR KEY A F302A9X90SRP DOOR A (U) F301P9X70EP DOOR E (U) F30215G10XN DOOR KEY SPRING F30859Y00AP DOOR C... -
Page 33: Wiring Materials
NN-GD693S 9.5. WIRING MATERIALS Ref. No. Part No. Part Name & Description Pcs/Set Remarks F030A9X90RP LEAD WIRE HARNESS (INCLUDING MAGNETRON THERMISTOR) F030E9Y00AP H.V.LEAD WIRE... -
Page 34: Packing And Accessories
NN-GD693S 9.6. PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00039X90RP INSTRUCTION MANUAL F01029X90SRP PACKING CASE, PAPER F01049Y00AP UPPER FILLER F01059Y00AP LOWER FILLER F01068100XN P.E.BAG F01078J00XN DOOR SHEET F01089X90QP RACK PACKING E06014N30BP COOKING TRAY F01099Y00AP... -
Page 35: Digital Programmer Circuit
NN-GD693S 10 DIGITAL PROGRAMMER CIRCUIT 10.1. SCHEMATIC DIAGRAM... - Page 36 NN-GD693S...
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Page 37: Parts List
NN-GD693S 10.2. PARTS LIST Ref. No. Part No. Part Name & Description Pcs/Set Remarks BZ210 L0DDEA000014 BUZZER 2.0KHz DISP110 L5AYAYY00100 DISP1 HOLDER F66175W00AP DISPLAY HOLDER F67525E40XN DIFFUSION SHEET D4EAY2710001 VARISTOR 270V D26,D27 D4EAY112A036 VARISTOR 1100V MN69F009DY1 L.S.I. RY1,RY3,RY4 K6B1AYY00129 POWER RELAY...