Panasonic NN-GD692S Скачать руководство пользователя страница 33 | Manualshive

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9 DIGITAL PROGRAMMER CIRCUIT

9.1. SCHEMATIC DIAGRAM

33

NN-GD692S

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Содержание NN-GD692S

Страница 1: ... Panasonic Appliances Microwave Oven Shanghai Co Ltd 2012 NN GD692S HPE Hong Kong YPQ Singapore MPQ Malaysia TPE Thailand TTE Indonesia YUE Vietnam YTE Others Microwave Oven ORDER NO PAPMOSH1205036CE ...

Страница 2: ...2 NN GD692S ...

Страница 3: ...3 NN GD692S ...

Страница 4: ... 8 Steam sensor 15 4 9 Inverter power supply 16 5 COMPONENT TEST PROCEDURE 17 5 1 Primary Secondary Latch Switch interlocks Power Relay RY1 17 5 2 Short Switch 17 5 3 Magnetron 17 5 4 Inverter power supply U 18 5 5 Temperature thermistor 18 6 MEASUREMENTS AND ADJUSTMENTS 19 6 1 Adjustment of primary latch switch secondary latch switch and short switch 19 6 2 Measurement of microwave output 19 7 TR...

Страница 5: ...1 SCHEMATIC DIAGRAM 1 1 WITHOUT VARISTOR 5 NN GD692S ...

Страница 6: ...1 2 WITH VARISTOR 6 NN GD692S ...

Страница 7: ...t 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...

Страница 8: ... Sensor 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...

Страница 9: ... The aluminum 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 inve...

Страница 10: ...he unit 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 properl...

Страница 11: ...up in 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 escu...

Страница 12: ...l terminal 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 Suppor...

Страница 13: ...avity 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...

Страница 14: ...turntable 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...

Страница 15: ...nsor 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 15 NN GD692S ...

Страница 16: ...ot 1 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...

Страница 17: ...r Closed 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...

Страница 18: ...n the 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 second...

Страница 19: ... switches 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 ...

Страница 20: ...our body 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 erro...

Страница 21: ...ose connection 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 loos...

Страница 22: ...nd H99 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 t...

Страница 23: ...e oscillation 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 ...

Страница 24: ... this 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 ...

Страница 25: ... 1µF 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 25 NN GD692S ...

Страница 26: ...8 EXPLODED VIEW AND PARTS LIST 8 1 EXPLODED VIEW 26 NN GD692S ...

Страница 27: ...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 F62309W40HP FUSE 1 10A 34 F62319V00XP FUSE HOLDER 1 35 F66629Y00AP GROUNDING PLATE 1 36 F63269P00HP TURNTAB...

Страница 28: ...005 6S10 EARTH LABEL 1 TPE TTE 61 F00066W10MP CAUTION LABEL 1 YPQ 61 F00068H00YT CAUTION LABEL 1 YUE YTE 63 MKPX2335K CAPACITOR 1 64 F02849X90YP NO LABEL 1 YPQ 65 F03349X90HP MENU LABEL 1 HPE YPQ MPQ TPE YTE 65 F03349X90TT MENU LABEL 1 TTE 65 F03349X90YU MENU LABEL 1 YUE 28 NN GD692S ...

Страница 29: ...03G9X90SQP POP OUT DIAL U 1 HPE E8 F803G9M60SBP POP OUT DIAL U 1 YPQ MPQ TPE TTE YUE YTE E9 F80189Y40AP DIAL SUPPORT 1 E10 F82989Y40KAP BUTTON 1 HPE E10 F82989Y40SAP BUTTON 1 YPQ MPQ TPE TTE YUE YTE E11 F82989Y90KAP BUTTON B 1 HPE E11 F82989Y90SAP BUTTON B 1 YPQ MPQ TPE TTE YUE YTE E13 F66167D00AP FLAT CABLE 1 E14 F81279Y40AP BACK PANEL 1 E15 F00079X90SHP NAME PLATE 1 HPE E15 F00079X90SYP NAME PLA...

Страница 30: ...SSEMBLY Ref No Part No Part Name Description Pcs Set Remarks D1 F30189Y00AP DOOR KEY A 1 D2 F302A9X90SQP DOOR A U 1 D3 F301P9X70EP DOOR E U 1 D4 F30215G10XN DOOR KEY SPRING 1 D5 F30859Y00AP DOOR C 1 30 NN GD692S ...

Страница 31: ...8 5 WIRING MATERIALS Ref No Part No Part Name Description Pcs Set Remarks W1 F030A9X90HP LEAD WIRE HARNESS 1 INCLUDING MAGNETRON THERMISTOR W2 F030E9Y10HP H V LEAD WIRE 1 31 NN GD692S ...

Страница 32: ...P2 F01029X90STP PACKING CASE PAPER 1 TPE P3 F01049Y00AP UPPER FILLER 1 P4 F01059Y00AP LOWER FILLER 1 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 F000B9X90HP COOK BOOK 1 P18 F04459X90SMP OVERLAY 1 YPQ MPQ P18 F04459X90STP OVERLAY 1 TPE P18 F04459X90SYU OVERLAY 1 YUE P19 F9164 ...

Страница 33: ...9 DIGITAL PROGRAMMER CIRCUIT 9 1 SCHEMATIC DIAGRAM 33 NN GD692S ...

Страница 34: ...34 NN GD692S ...

Страница 35: ... F67525E40XN 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 35 NN GD692S 05 12 S 9X9 Printed in China ...

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