Panasonic NN-GD692S Service Manual
Hide thumbs
Also See for NN-GD692S:
- Operating instructions manual (26 pages) ,
- Service manual (38 pages)
Table of Contents
Troubleshooting
Related Manuals for Panasonic NN-GD692S
Summary of Contents for Panasonic NN-GD692S
- Page 1 ORDER NO.PAPMOSH1205036CE Microwave Oven NN-GD692S HPE (Hong Kong) YPQ (Singapore) MPQ (Malaysia) TPE (Thailand) TTE (Indonesia) YUE (Vietnam) YTE (Others) © Panasonic Appliances Microwave Oven (Shanghai) Co., Ltd. 2012.
- Page 2 NN-GD692S...
- Page 3 NN-GD692S...
-
Page 4: Table Of Contents
NN-GD692S CONTENTS Page Page 1 SCHEMATIC DIAGRAM 4.9. Inverter power supply 1.1. WITHOUT VARISTOR 5 COMPONENT TEST PROCEDURE 1.2. WITH VARISTOR 5.1. Primary, Secondary Latch Switch interlocks & Power 2 DESCRIPTION OF OPERATING SEQUENCE Relay RY1 2.1. Variable power cooking control 5.2. -
Page 5: Schematic Diagram
NN-GD692S 1 SCHEMATIC DIAGRAM 1.1. WITHOUT VARISTOR... -
Page 6: With Varistor
NN-GD692S 1.2. WITH VARISTOR... -
Page 7: Description Of Operating Sequence
NN-GD692S 2 DESCRIPTION OF OPERATING SEQUENCE 2.1. Variable power cooking 2.3. Turbo defrost, Auto cook control When the Auto Control feature is selected and the Start button is tapped: High Voltage Inverter Power Supply (U) controls output power by the signal from Digital Programmer Circuit (DPC). Power 1. -
Page 8: Sensor Reheat
NN-GD692S 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 9: Cautions To Be Observed When Troubleshooting
NN-GD692S 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 & rings whenever working close to or replacing the magnetron. -
Page 10: Part Replacement
NN-GD692S 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 11: Disassembly And Parts Replacement Procedure
NN-GD692S 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 12: Low Voltage Transformer And/Or Power Relays (Ry1, Ry2)
NN-GD692S 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 13 NN-GD692S 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 19).
-
Page 14: Turntable Motor
NN-GD692S 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 15: Steam Sensor
NN-GD692S 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 16: Inverter Power Supply
NN-GD692S 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 17: Component Test Procedure
NN-GD692S 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 18: Inverter Power Supply (U)
NN-GD692S 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 19: Measurements And Adjustments
NN-GD692S 6 MEASUREMENTS AND ADJUSTMENTS 6.1. Adjustment of primary latch 6.2. Measurement of microwave switch, secondary latch switch output and short switch. The output power of the magnetron can be determined by performing IEC standard test procedures. However,due to the 1. -
Page 20: Troubleshooting Guide
NN-GD692S 7 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 21: Troubleshooting) Other Problems
NN-GD692S 7.2. (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 22: Troubleshooting Of Inverter Circuit (U) And Magnetron
NN-GD692S 7.3. 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 23: Trouble Related To Digital Programmer Circuit
NN-GD692S 7.4. 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 (PF2/PF3) Low voltage transforment (L.V.T.) Abnormal 0V L.V.T. -
Page 24: Simple Way Of H.v. Inverter/Magnetron Troubleshooting
NN-GD692S 7.5. 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 25: Inverter Main Parts List (F606Yba00Qp)
NN-GD692S 7.7. H.V. INVERTER MAIN PARTS LIST (F606YBA00QP) Ref. No. Part No. Part Name & Description Pcs/Set Remarks Q701 B1JAEV000003 IGBT C701 ECWHC3B104JA FILM CAPACITOR 0.1µF,1000VDC C702 ECWF4305N851 FILM CAPACITOR 3µF,250VDC DB701 B0FBBQ000006 RECTIFIER BRIDGE L701 F5020W100AP CHOKE COIL R702... -
Page 26: Exploded View And Parts List
NN-GD692S 8 EXPLODED VIEW AND PARTS LIST 8.1. EXPLODED VIEW... -
Page 27: Parts List
NN-GD692S 8.2. 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 28 NN-GD692S Ref. No. Part No. Part Name & Description Pcs/Set Remarks F11409W00XP STOPPER F0005-6S10 EARTH LABEL TPE,TTE F00066W10MP CAUTION LABEL F00068H00YT CAUTION LABEL YUE,YTE MKPX2335K CAPACITOR F02849X90YP NO. LABEL F03349X90HP MENU LABEL HPE,YPQ,MPQ,TPE,YTE F03349X90TT MENU LABEL F03349X90YU MENU LABEL...
-
Page 29: Escutcheon Base Assembly
NN-GD692S 8.3. ESCUTCHEON BASE ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F603L9X90HP D.P.CIRCUIT (AU) F603L9X90MP D.P.CIRCUIT (AU) YPQ,MPQ F603L9X90TP D.P.CIRCUIT (AU) F603L9X90YT D.P.CIRCUIT (AU) TTE,YUE,YTE F603Y9X90QP D.P.CIRCUIT (DU) F800L9X90SHP ESCUTCHEON BASE (U) F891P9Y40NAP DOOR OPENING BUTTON (U) -
Page 30: Door Assembly
NN-GD692S 8.4. DOOR ASSEMBLY Ref. No. Part No. Part Name & Description Pcs/Set Remarks F30189Y00AP DOOR KEY A F302A9X90SQP DOOR A (U) F301P9X70EP DOOR E (U) F30215G10XN DOOR KEY SPRING F30859Y00AP DOOR C... -
Page 31: Wiring Materials
NN-GD692S 8.5. WIRING MATERIALS Ref. No. Part No. Part Name & Description Pcs/Set Remarks F030A9X90HP LEAD WIRE HARNESS (INCLUDING MAGNETRON THERMISTOR) F030E9Y10HP H.V.LEAD WIRE... -
Page 32: Packing And Accessories
NN-GD692S 8.6. PACKING AND ACCESSORIES Ref. No. Part No. Part Name & Description Pcs/Set Remarks F00039X90HP INSTRUCTION MANUAL HPE,YPQ,MPQ,TPE,YTE F00039X90TT INSTRUCTION MANUAL F00039X90YU INSTRUCTION MANUAL F01029X90SHP PACKING CASE,PAPER HPE,YPQ,MPQ,TTE,YUE,YTE F01029X90STP PACKING CASE,PAPER F01049Y00AP UPPER FILLER F01059Y00AP LOWER FILLER F01068100XN P.E.BAG... -
Page 33: Digital Programmer Circuit
NN-GD692S 9 DIGITAL PROGRAMMER CIRCUIT 9.1. SCHEMATIC DIAGRAM... - Page 34 NN-GD692S...
-
Page 35: Parts List
NN-GD692S 9.2. 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 D4EAY511A148 VARISTOR 510V D26,D27 DE4AY112A036 VARISTOR 1100V MN69F009DA1 L.S.I. RY1,RY3,RY4 K6B1AYY00129 POWER RELAY...