Panasonic NN-GD692M Service Manual Download Page 1

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Panasonic

Appliances

Microwave

Oven

(Shanghai) Co., Ltd. 2012.

NN-GD692S
NN-GD692M

KTE (UAE)
PTE (Iran)
KPQ (Kuwait, Doha, Qatar, Oman, Bahrain, Pakistan)
STM (Saudi Arabia)
ZPE (CIS Countries)

Microwave Oven

ORDER NO.PAPMOSH1205038CE

Summary of Contents for NN-GD692M

Page 1: ...onic Appliances Microwave Oven Shanghai Co Ltd 2012 NN GD692S NN GD692M KTE UAE PTE Iran KPQ Kuwait Doha Qatar Oman Bahrain Pakistan STM Saudi Arabia ZPE CIS Countries Microwave Oven ORDER NO PAPMOSH1205038CE ...

Page 2: ...2 NN GD692S NN GD692M ...

Page 3: ...3 NN GD692S NN GD692M ...

Page 4: ...ntable motor 16 4 7 Quartz heater 16 4 8 Steam sensor 17 4 9 Inverter power supply 18 5 COMPONENT TEST PROCEDURE 19 5 1 Primary Secondary Latch Switch interlocks Power Relay RY1 19 5 2 Short Switch 19 5 3 Magnetron 19 5 4 Inverter power supply U 20 5 5 Temperature thermistor 20 6 MEASUREMENTS AND ADJUSTMENTS 21 6 1 Adjustment of primary latch switch secondary latch switch and short switch 21 6 2 M...

Page 5: ...1 SCHEMATIC DIAGRAM 1 1 KTE PTE KPQ WITHOUT VARISTOR 5 NN GD692S NN GD692M ...

Page 6: ...1 2 STM ZPE WITHOUT VARISTOR 6 NN GD692S NN GD692M ...

Page 7: ...1 3 KTE PTE KPQ WITH VARISTOR 7 NN GD692S NN GD692M ...

Page 8: ...1 4 STM ZPE WITH VARISTOR 8 NN GD692S NN GD692M ...

Page 9: ...into the inverter circuit 6 This signal is fed back to the microcomputer in the DPC to determine operating conditions and output necessary to control PWM signal to the Inverter Power Supply for control of the output power 2 3 Turbo defrost Auto cook When the Auto Control feature is selected and the Start button is tapped 1 The digital programer circuit determines the power level and cooking time t...

Page 10: ...or Reheat is a quick and easy way to reheat refrigerated and room temperature foods Simply press the reheat pad There is no need to select power level and cooking time NOTE The Auto Sensor Reheat process is similar as Auto Sensor Cooking process Balance of cooking time T2 time The balance of cooking time which is called T2 time can be calculated by the following formula T2 time in sec T1 time X K ...

Page 11: ...luminum heat sink may be HOT due to heat energy therefore extreme care should be taken during servicing H V Inverter warning WARNING FOR INVERTER POWER SUPPLY U GROUNDING Check the High Voltage Inverter Power Supply circuit grounding The high voltage inverter power supply circuit board must have a proper chassis ground The inverter grounding plate must be connected to the chassis If the inverter b...

Page 12: ...it during operation Never insert a wire nail or any other metal object through the lamp holes on the cavity or any holes or gaps because such objects may work as an antenna and cause microwave leakage 3 6 Verification after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loosen or missing Microwave energy might leak if screws are not properly tig...

Page 13: ... your body before handling the DPC 1 Disconnect connector CN701 on H V Inverter board 2 Remove 1 screw holding escutcheon base and slide the escutcheon base upward slightly 3 Remove all screws holding D P C board on escutcheon base 4 Separate D P C board from tabs on the escutcheon base and remove D P C board To replace membrane key board 5 Use tools such as kinfe etc to lift the edge of escutcheo...

Page 14: ...minal pins are inserted completely resolder all terminal contacts carefully 4 4 Fan motor 1 Disconnect 2 lead wires from fan motor terminals 2 Remove 2 screws at location on oven attaching orifice assembly 3 Remove orifice assembly from oven assembly 4 Remove fan blade from the fan motor shaft by pulling it straight out 5 Remove 2 screws holding fan motor to orifice 4 5 Door assembly 1 Support the...

Page 15: ... slot Then lower your finger to seat the door onto the hinge NOTE Door alignment is crucial If door is misaligned apply pressure until alignment is achieved NOTE Adjust so that the upper portion of the door will touch firmly to the oven cavity front plate without pushing the door If the door assembly is not mounted properly microwave power may leak from the clearance between the door and oven 9 Ti...

Page 16: ...able motor 3 Remove the turntable motor by removing screw NOTE After reinstalling the new turntable motor and reconnecting the 2 lead wires reinstall the motor cover by rotating it around 180 tucking the 2 tabs under the base in the 2 provided slots then screw the single tab to the base using a 4mm 6mm screw 4 7 Quartz heater 1 Disconnect lead wires from both side of heater terminals 2 Remove 2 sc...

Page 17: ...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 NOTE When installing the steam sensor make sure that the direction of steam sensor is as shown in figure 17 NN GD692S NN GD692M ...

Page 18: ...Discharge high voltage charge 2 Remove the H V lead wire from magnetron terminals 3 Disconnect 2 connectors from CN701 CN702 on H V Inverter U 4 Remove 1 screw holding grounding plate to the base 5 Press 1 encircled locking tab and then slide 4 locking tabs of Inverter bracket at the bottom of the base in direction of arrows 6 Remove 1 screw holding H V Inverter to Inverter bracket 7 Remove 1 scre...

Page 19: ...osed Door Opened Primary Latch Switch 0Ω Close Ω Open Secondary Latch Switch 0Ω Close Ω Open Power Relay RY1 Ω Open Ω Open 5 2 Short Switch 1 Unplug lead wires from Inverter Power Supply U primary terminals 2 Connect test probes of ohm meter to the disconnected leads that were connected to Inverter Power Supply U 3 Test the continuity of short switch with door opened and closed positions using low...

Page 20: ... oven s AC power supply cord into outlet 4 Program DPC a Press Timer Clock button twice b Press Start button once c Press Micro Power button once 5 Program oven at High power for 1 minute and press Start button a After approximately 3 seconds oven stops operating b During oven operation the input current is approximately 0 4A INPUT CURRENT FAILURE CODE Unplug CN701 0 4A Oven stops in 3 seconds aft...

Page 21: ...ches again by following the component test procedures 6 2 Measurement of microwave output The output power of the magnetron can be determined by performing IEC standard test procedures However due to the complexity of IEC test procedures it is recommended to test the magnetron using the simple method outlined below Necessary Equipment 1 liter beaker Glass thermometer Wrist watch or stopwatch NOTE ...

Page 22: ...ody 7 220 240V AC is present on the digital programmer circuit Terminals of power relay s and primary circuit of Digital Programmer Circuit When troubleshooting be cautious of possible electrical shock hazard Before troubleshooting operate the microwave oven following the correct operating procedures in the instruction manual in order to find the exact cause of any trouble since operator error may...

Page 23: ...onnection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will cause lower magnetron filament voltage and cause magnetron to have lower output and or be intermittent 3 Defective high voltage component H V Inverter Power Supply U Magnetron Check high voltage component according to component test procedure and replace if it is defective 4 Open or loose wir...

Page 24: ...9 First you must program the DPC into TEST MODE press Timer Clock button twice Press Start button once press Micro Power button once Program unit for operation H95 H97 H98 H99 appears in display window a short time after Start button is pressed and there is no microwave oscillation Alternate way to troubleshoot oven with AC Ampere meter used H95 H97 H98 H99 appears in display window a short time a...

Page 25: ...illation at any power 1 IC1 pin 27 voltages while operation at high power Abnormal IC1 Normal 5V Step2 2 Collector of Q220 voltage Abnormal Q220 and or Q221 Q222 Q225 Normal 0 7V Step3 3 Short circuit between collector of Q220 and emitter of Q225 Still not turn on RY1 RY1 turns on Q220 and or Q221 Q222 Q225 Dark or unclear display 1 Replace display and check operation Normal Display Abnormal IC1 M...

Page 26: ... procedure Power will Ammeter reading is To do Remedy Shut off in 23 seconds after Start 1 Between 0 5A and 1 0A Check and repair open magnetron circuit Open magnetron wiring between Inverter and magnetron terminal 2 Between 1 0A and 2 0A Check continuity of D702 in Inverter PCB 1 D702 shorted Replace H V Inverter F606YBA00QP 2 D702 is OK Replace magnetron Shut off in 3 seconds after Start 1 Less ...

Page 27: ...1000VDC C702 ECWF4305N851 FILM CAPACITOR 1 3µF 250VDC DB701 B0FBBQ000006 RECTIFIER BRIDGE 1 L701 F5020W100AP CHOKE COIL 1 R702 D0CM562JA002 SAND BAR RESISTOR 1 T701 F609ABA00GP TRANSFORMER 1 INCLUDING D701 D702 C706 C707 D701 D702 B0FBAZ000003 DIODE 2 C706 F0C3F562A002 FILM CAPACITOR 1 5600PF 3KV C707 F0C3F822A002 FILM CAPACITOR 1 8200PF 3KV 27 NN GD692S NN GD692M ...

Page 28: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 28 NN GD692S NN GD692M ...

Page 29: ...64499X70EP SENSOR COVER A 1 24 F64509X70EP SENSOR COVER B 1 25 F65439X70EP SENSOR COVER C 1 26 F61425U30XN MICRO SWITCH 1 PRIMARY LATCH SWITCH 27 F61415U30XN MICRO SWITCH 1 SECONDARY LATCH SWITCH 28 F6145 1F90 THERMAL CUTOUT 1 29 F612E9X70EP INCANDESCENT LAMP U 1 30 F61785U30XN MICRO SWITCH 1 SHORT SWITCH 31 F606YBA00QP H V INVERTER U 1 32 2M261 M39R MAGNETRON 1 33 F62306V60BP FUSE 1 STM ZPE 10A 3...

Page 30: ...9X70EP HOOK LEVER C 1 56 F31369X70EP HOOK LEVER A 1 57 F31379X70EP HOOK LEVER B 1 58 F11409W00XP STOPPER 2 63 MKPX2335K CAPACITOR 1 KTE PTE KPQ 65 F03349X90KT MENU LABEL 1 KTE PTE KPQ STM 65 F03349X70ZP MENU LABEL 1 ZPE 66 F02395E20KN AC CORD CAUTION LABEL 1 KTE PTE KPQ STM 30 NN GD692S NN GD692M ...

Page 31: ...NING BUTTON U 1 KTE PTE KPQ STM E6 F82569Y00AP DOOR OPENING LEVER 1 E7 F80375K00AP COOK BUTTON SPRING 1 E8 F803G9X90SQP POP OUT DIAL U 1 KTE PTE KPQ STM E9 F80189Y40AP DIAL SUPPORT 1 E10 F82989Y40KAP BUTTON 1 KTE PTE KPQ STM E11 F82989Y90KAP BUTTON B 1 KTE PTE KPQ STM E13 F66167D00AP FLAT CABLE 1 E14 F81279Y40AP BACK PANEL 1 E15 F00079X90SKT NAME PLATE 1 KTE E15 F00079X90SPT NAME PLATE 1 PTE E15 F...

Page 32: ... BUTTON U 1 ZPE E25 F83379X70SZP MEMBRANE SHEET 1 ZPE E26 F82569Y00AP DOOR OPENING LEVER 1 E27 F80375K00AP COOK BUTTON SPRING 1 E28 F803G9M60SBP POP OUT DIAL U 1 ZPE E29 F80189Y40AP DIAL SUPPORT 1 E30 F82989Y40SAP BUTTON 1 ZPE E31 F82989Y90SAP BUTTON B 1 ZPE E33 F66167D00AP FLAT CABLE 1 E34 F81279Y40AP BACK PANEL 1 E35 F00079X70SZP NAME PLATE 1 ZPE E36 F81269X70BZP DISPLAY WINDOW 1 ZPE 32 NN GD692...

Page 33: ...Name Description Pcs Set Remarks D1 F30189Y00AP DOOR KEY A 1 D2 F302A9X90SQP DOOR A U 1 KTE PTE KPQ STM D2 Z302A9X70SEP DOOR A U 1 ZPE D3 F301P9X70EP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30859Y00AP DOOR C 1 33 NN GD692S NN GD692M ...

Page 34: ...t Remarks W1 F030A9X90HP LEAD WIRE HARNESS 1 KTE PTE KPQ INCLUDING MAGNETRON THERMISTOR W1 F030A9X90QP LEAD WIRE HARNESS 1 STM ZPE INCLUDING MAGNETRON THERMISTOR W2 F030E9Y10HP H V LEAD WIRE 1 KTE PTE KPQ W2 F030E9Y10QP H V LEAD WIRE 1 STM ZPE 34 NN GD692S NN GD692M ...

Page 35: ...E P3 F01049Y10ST UPPER FILLER 1 KTE PTE KPQ STM P3 F01049Y00AP UPPER FILLER 1 ZPE P4 F01059Y10ST LOWER FILLER 1 KTE PTE KPQ STM P4 F01059Y00AP LOWER FILLER 1 ZPE P5 F01068100XN P E BAG 1 P6 F01078J00XN DOOR SHEET 1 P7 F01089X90QP RACK PACKING 1 P8 E06014N30BP COOKING TRAY 1 P9 F01099Y00AP SHEET 1 P10 F060V9X70EP OVEN RACK 1 P15 F000B9X90KT COOK BOOK 1 KTE PTE KPQ STM P15 F000B9X70ZP COOK BOOK 1 ZP...

Page 36: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 SCHEMATIC DIAGRAM 36 NN GD692S NN GD692M ...

Page 37: ...37 NN GD692S NN GD692M ...

Page 38: ...40XN DIFFUSION SHEET 1 D25 D4EAY511A148 VARISTOR 1 510V D26 D27 DE4AY112A036 VARISTOR 2 1100V IC1 MN69F009DA1 L S I 1 RY1 RY3 RY4 K6B1AYY00129 POWER RELAY 3 RY2 K6B1AYY00085 POWER RELAY 1 T10 G4C3AAH00008 LOW VOLTAGE TRANSFORMER 1 RE81 EVEJ1HF2224M REVOLVING ENCODER 1 SW1 SW7 SW10 SW13 SW15 SW17 EVQ11L05R TOUCH SWITCH 14 38 NN GD692S NN GD692M 05 12 S 9X7 S 9X9 Printed in China ...

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