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2. 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.

CAUTION

Servicemen should remove their watches
whenever working close to or replacing the
magnetron.

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Содержание NN-G335MF

Страница 1: ... G315WF NN G335WF NN G335MF NN G335BF HPE Hong Kong LPK Philippines YTE Others KTE UAE PTE Iran ZPE CIS Countries Please file and use this manual together with the service manual for Model NN S215 S235 Order No PHAMOS0506021C3 SPECIFICATIONS 1 ...

Страница 2: ...2005 Panasonic Home Appliances Microwave Oven Shanghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 2 ...

Страница 3: ...3 ...

Страница 4: ...1 SCHEMATIC DIAGRAM 1 1 NN G315 1 2 NN G335 4 ...

Страница 5: ...her 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 CAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron 5 ...

Страница 6: ...oltage capacitor terminal of lead wire from diode to chassis ground with an insulated handle screwdriver to discharge WARNING There is high voltage present with high current capabilities in the circuits of the high voltage winding and filament winding of the high voltage transformer It is extremely dangerous to work on or near these circuits with oven energized DO NOT measure the voltage in the hi...

Страница 7: ...e unit during operation Never insert a wire nail or any other metal object through the lamp holes on the cavity or any other holes or gaps because such objects may work as an antenna and cause microwave leakage 2 6 Confirm after repair 1 After repair or replacement of parts make sure that the screws of the oven etc are neither loose nor missing Microwaves might leak if screws are not properly tigh...

Страница 8: ...the Secondary latch switch and the Short switch to the door hook assembly as shown in ILL NOTE No specific individual adjustments during installation of the Primary latch switch Secondary latch switch or Short switch to the door hook are required 2 When mounting the door hook assembly to the oven assembly adjust the door hook assembly by moving it in the direction of the arrows in the illustration...

Страница 9: ... line voltage under load Low voltage will lower the magnetron output Take the temperature readings and heating time as accurately as possible 1 Fill the beaker with exactly one liter of tap water Stir the water using the thermometer and record the water s temperature recorded as T1 2 Place the beaker on the center of glass tray Set the oven for High power and heat it for exactly one minute 3 Stir ...

Страница 10: ...acement 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 When replacing any of these components use only manufacture s specified parts NOTE A parts are supplied by CSD Japan F parts are supplied by PHAMOS China 10 ...

Страница 11: ...ROLLER RING U 1 10 F30206S10XP DOOR HOOK 1 11 F31365Q00AP HOOK LEVER A 1 12 F400A6S10XP FAN MOTOR 1 13 F4008 1E60 FAN BLADE 1 14 F40256S10XP AIR GUIDE A 1 15 F41446S10XP ORIFICE 1 16 F612E5G50XN INCANDESCENT LAMP U 1 EXCEPT HPE 17 J61424T00AP MICRO SWITCH 1 PRIMARY LATCH SWITCH 17 J61424T00AP MICRO SWITCH 1 SECONDARY LATCH SWITCH G315WF 18 J61414T00AP MICRO SWITCH 1 SECONDARY LATCH SWITCH G335 F 2...

Страница 12: ...IRCUIT DU 1 G335WF HPE YTE LPK KTE PTE 39 F603Y6R60ZP D P CIRCUIT DU 1 G335 F ZPE 41 F11407000AP STOPPER 1 42 F01504Y00XN NO TOUCHING LABEL 1 EXCEPT G335BF ZPE 42 F01506N60SXP NO TOUCHING LABEL 1 G335BF ZPE 43 F61455G60XN THERMAL CUTOUT 1 70 C ON 150 C OFF G335 F 43 F61455G50XN THERMAL CUTOUT 1 67 C ON 77 C OFF G315WF 44 F22175G60AP INSULATION PLATE 1 45 XTWFA4 12T SCREW 4 FOR MAGNETRON 46 XTWFA4 ...

Страница 13: ... DOOR A U 1 G335MF D2 F301A6S10BAP DOOR A U 1 G335BF D3 F302K6S10XP DOOR E U 1 D4 F30216S10XP DOOR KEY SPRING 1 D5 F30856S10XP DOOR C 1 D6 F31455G10XN DOOR SCREEN A 1 D7 F31466S10XP DOOR SCREEN B 1 D8 F30126S10KXP DOOR HANDLE 1 G335 F D8 F30126S10HXP DOOR HANDLE 1 G315WF D9 F30216S10XP HANDLE SPRING 1 D10 F02459660AP DHHS LABEL 1 LPK 4 4 PACKING AND ACCESSORIES 13 ...

Страница 14: ... PAPER 1 G335WF KTE PTE P2 F01026R60HZP PACKING CASE PAPER 1 G335WF ZPE P2 F01026R60SZP PACKING CASE PAPER 1 G335MF ZPE P2 F01026R60BZP PACKING CASE PAPER 1 G335BF ZPE P2 F01026R50HZP PACKING CASE PAPER 1 G315WF ZPE P3 F01045G40XN UPPER FILLER 1 P4 F01056S10XP LOWER FILLER 1 P5 F01068100XN P E BAG 1 P6 F01075G10XN DOOR SHEET 1 P7 A06015G10XN COOKING TRAY 1 P8 F01924T00AP SHEET 1 G335MF BF P9 F0108...

Страница 15: ... 1 G335WF KTE PTE E2 F630Y6R60HZP MEMBRANE SWITCH U 1 G335WF ZPE E2 F630Y6R60SZP MEMBRANE SWITCH U 1 G335MF ZPE E2 F630Y6R60BZP MEMBRANE SWITCH U 1 G335BF ZPE E3 F80346S20HXP ESCUTCHEON BASE 1 G335WF E3 F80346S20SXP ESCUTCHEON BASE 1 G335MF E3 F80346S20BXP ESCUTCHEON BASE 1 G335BF E4 F67006S20XP RUBBER CONNECTOR 1 G335 F E5 AEDDHJ6S20XP DISPLAY 1 G335 F E7 F80346R50HZP ESCUTCHEON BASE 1 G315WF E8 ...

Страница 16: ...f No Part No Part Name Description Pcs Set Remarks W1 F030A6R60XP LEAD WIRE HARNESS 1 G335 F W1 F030A6R50ZP LEAD WIRE HARNESS 1 G315WF 5 DIGITAL PROGRAMMER CIRCUIT NN G335WF MF BF 5 1 SCHEMATIC DIAGRAM 16 ...

Страница 17: ...5 2 PARTS LIST 17 ...

Страница 18: ...6 Q228 UNR211100L CHIP DIGI TRANSISTOR 5 Q14 Q210 Q225 Q230 B1GBCFEL0002 CHIP DIGI TRANSISTOR 4 Q224 Q226 Q231 B1ABCF000010 CHIP TRANSISTOR 3 Q223 B1ACGF000004 AUDION 1 R350 AERJ06J102R CHIP RESISTOR 1 1K 1 10W 5 R221 R223 AERJ06J104R CHIP RESISTOR 2 100K 1 10W 5 R225 R227 AERJ06J152R CHIP RESISTOR 2 1 5K 1 10W 5 R220 AERJ06J222R CHIP RESISTOR 1 2 2K 1 10W 5 R13 AERJ06J223R CHIP RESISTOR 1 22K 1 1...

Страница 19: ... NN S235WF NN S235MF NN S235BF QPQ Australia New Zealand HPE Hong Kong YPQ Singapore MPQ Malaysia TPE Thailand Indonesia LPK Philippines YTE Others KTE UAE PTE Iran KPQ Kuwait Doha Qatar Oman Bahrain Pakistan STM Saudi Arabia ZPE CIS Countries SPECIFICATIONS 1 ...

Страница 20: ...2005 Panasonic Home Appliances Microwave Oven Shanghai Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 2 ...

Страница 21: ...3 ...

Страница 22: ...S235WF MF FEATURE Three Stage Cooking O Turbo Defrost O Auto Cook O Power Level Select O Variable Power Control O Child Safety Lock O 2 CONTROL PANEL 3 OPERATION AND DIGITAL PROGRAMMER CIRCUIT TEST PROCEDURE 3 1 Time Cooking for Two Stage 4 ...

Страница 23: ...ce to set high power 1st stage 4 Set for 10 Seconds 5 Press Micro Power Pad 5 times to set low power 2nd stage 6 Set for 1 minute 7 Press Start Pad 7 When 1st stage cooking time has elapsed Oven beeps twice and automatically switches to 2nd stage cooking 8 When 2nd stage cooking time has elapsed oven beeps 5 times and shuts off 5 ...

Страница 24: ...t the weight for 1 0kg 2 Press Start pad 3 Press Stop Reset Pad twice Oven shuts off 3 3 Auto Cook OPERATION SCROLL DISPLAY 1 Press Vegetables pad thrice to set the weight for 300g 2 Press Start pad 3 When cooking time has elapsed Oven beeps 5 times and shuts off 3 4 Auto Reheat 6 ...

Страница 25: ... 5 times and shuts off 3 5 To Set Child Satety Lock OPERATION SCROLL DISPLAY 1 Press Start pad 3 times continuously Child appears in the display 3 6 To Reset Child Lock OPERATION SCROLL DISPLAY 1 Press Stop Reset pad 3 times continuously Time of day or colon if set appears in the display 4 SCHEMATIC DIAGRAM 4 1 NN S215 QPQ ZPE 7 ...

Страница 26: ...4 2 NN S215 EXCEPT QPQ ZPE 8 ...

Страница 27: ...4 3 NN S235 9 ...

Страница 28: ...t any power selection except for High power position The digital programmer circuit controls the ON OFF time of power relay B contacts in order to vary the output power of the microwave oven from Low to High power One complete ON and OFF cycle of power relay B is 22 seconds The relation between indications on the control panel and the output of the microwave oven is as shown in table NOTE 10 ...

Страница 29: ...s 30 senconds in which the vari power switch is turned ON or OFF by the cam rotation in the 30 2 second period By controlling the timing of the vari power switch ON period the 220 or 240V AC supplied to the high voltage transformer is interrupted intermittently so that the average output power of the microwave oven is varied Table shows the timing chart of vari power switch operation in response t...

Страница 30: ...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 CAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron 6 1 Check the grounding Do not operate on a 2 wire extension cord The microwave oven is designed to be grounded when used It is imperative therefore to m...

Страница 31: ...rcuit wiring with your hand nor with an insulated tool during operation 6 3 When parts must be replaced remove the power plug from the outlet 6 4 When the 8 Amp fuse is blown due to the operation of short switch WARNING When the 8 Amp fuse is blown due to operation of the interlock monitor switch you must replace all of the components Primary latch switch Door switch Short switch and Power relay B...

Страница 32: ...ctrical connections are tight before inserting the plug into the wall outlet 3 Check for microwave energy leakage Refer to procedure for measuring microwave evergy leakage CAUTION MICROWAVE RADIATION USE CAUTION NOT TO BECOME EXPOSED TO RADIATION FROM THE MICROWAVE MAGNETRON OR OTHER PARTS CONDUCTING MICROWAVE ENERGY IMPORTANT NOTICE 1 The following components have potentials above 2000V while the...

Страница 33: ...e and the magnetron to prevent microwave leakage CAUTION When replacing the magnetron be sure the antenna gasket is in place CAUTION When connecting 2 filament lead wires to the magnetron terminals be sure to connect the lead wires in the correct position The lead wire of high volatge transformer should be connected to F terminal and the lead wire from high voltage capacitor should be connected to...

Страница 34: ...f escutcheon base and peel off escutcheon sheet membrane key board completely from escutcheon base NOTE 1 The membrane key board is attached to the escutcheon base with double faced adhesive tape Therefore applying hot air such as using a hair dryer is recommended for smoother removal 2 When installing new membrane key board make sure that the surface of escutcheon base is cleaned sufficiently so ...

Страница 35: ...ays NOTE Do not use a soldering iron or desoldering tool of more than 30 watts on DPC contacts 4 With all the terminal pins cleaned and separated from DPC contacts remove the defective transformer power relays Replace components making sure all terminal pins are inserted completely Resolder all terminal contacts carefully 7 4 Timer 1 Disconnect all lead wires from timer 2 Remove 1 screw holding es...

Страница 36: ...ft by pulling it straight out 6 Remove 2 screws holding fan motor on orifice assy and detach the fan motor from orifice assy 7 6 Door assembly 1 Remove door C from door E by carefully pulling outward starting from upper right hand corner using a flat blade screwdriver 2 Separate door E from tabs on door A and remove door A 3 Remove door screen B from door A 4 Remove handle spring which hitching do...

Страница 37: ...r is misaligned apply pressure until alignment is achieved NOTE After replacement of the defective component parts of the door reassemble and perform microwave leakage test 7 7 Turntable motor 1 Remove the motor cover by breaking off at the 4 spots indicated by arrows with a cutter or the like NOTE After breaking off the motor cover make sure that cut off portions are properly trimmed off or bent ...

Страница 38: ...ROCEDURE CAUTION 1 High voltage is present at the high voltage terminal of the high voltage transformer during any cook cycle 2 It is neither necessary nor advisable to attempt measurement of the high voltage 3 Before touching any oven components or wiring always unplug the oven from its power source and discharge the high voltage capacitor 8 1 Primary Latch Switch Door Switch and Power Relay B In...

Страница 39: ...disconnected leads of the H V Transformer 3 Test the continuity of short switch with door opened and closed positions using lowest scale of the ohm meter Normal continuity readings should be as follows 8 3 High voltage transformer 1 Remove connectors from the transformer terminals and check continuity 2 Normal cold resistance readings should be as follows Secondary winding Approx 80 120 Filament w...

Страница 40: ...filament or a shorted magnetron To diagnose for an open filament or shorted magnetron 1 Isolate magnetron from the circuit by disconnecting the leads 2 A continuity check across magnetron filament terminals should indicate one ohm or less 3 A continuity check between each filament terminal and magnetron case should read open 8 6 Variable power controller Isolate variable power switch from the circ...

Страница 41: ... the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should be used to check the front to back resistance of the diode otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and several hundred K in the other direction 3 With the...

Страница 42: ...shown in ILL NOTE No specific individual adjustments during installation of the Primary latch switch Secondary latch switch or Short switch to the door hook are required 2 When mounting the door hook assembly to the oven assembly adjust the door hook assembly by moving it in the direction of the arrows in the illustration so that the oven door will not have any play in it Check for play in the doo...

Страница 43: ... line voltage under load Low voltage will lower the magnetron output Take the temperature readings and heating time as accurately as possible 1 Fill the beaker with exactly one liter of tap water Stir the water using the thermometer and record the water s temperature recorded as T1 2 Place the beaker on the center of glass tray Set the oven for High power and heat it for exactly one minute 3 Stir ...

Страница 44: ...t the plastic connector instead of the lead wire and then disconnect it otherwise lead wire may be damaged or the connector cannot be removed 5 Do not touch any parts of the circuitry on the digital programmer circuit since static electric discharge may damage this control panel Always touch yourself to ground while working on this panel to discharge any static charge in your body 6 240V AC is pre...

Страница 45: ...10 1 Trouble related to Digital Programmer Circuit 27 ...

Страница 46: ...10 2 How To CHECK THE SEMICONDUCTORS USING AN OHM METER 11 EXPLODED VIEW AND PARTS LIST 11 1 EXPLODED VIEW 28 ...

Страница 47: ...list Do not use description of the part 2 Important safety notice Components identified by mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts NOTE A parts are supplied by CSD Japan F parts are supplied by PHAMOS China 29 ...

Страница 48: ... F01576S20HMP NAME PLATE 1 S235WF MPQ 1 F01576S20HYP NAME PLATE 1 S235WF YPQ 1 F01576S20SYP NAME PLATE 1 S235MF YPQ 1 F01576S20HLP NAME PLATE 1 S235WF LPK 1 F01576S20HKT NAME PLATE 1 S235WF KTE 1 F01576S20HPT NAME PLATE 1 S235WF PTE 1 F01576S20HKP NAME PLATE 1 S235WF KPQ 1 F01576S20HST NAME PLATE 1 S235WF STM 1 F01576S20HZP NAME PLATE 1 S235WF ZPE 1 F01576S20SZP NAME PLATE 1 S235MF ZPE 1 F01576S20...

Страница 49: ...QPQ 30 F900C6S10YT AC CORD W PLUG 1 S215 F HPE MPQ YTE KTE KPQ 30 F900C6S20YT AC CORD W PLUG 1 S235 F HPE MPQ YTE KTE KPQ 30 F900C6S10TP AC CORD W PLUG 1 S215 F TPE PTE 30 F900C6S10ZP AC CORD W PLUG 1 ZPE S235 F TPE PTE 30 F900C6S10YP AC CORD W PLUG 1 S215 F YPQ 30 F900C6S20YP AC CORD W PLUG 1 S235 F YPQ 30 F900C6S10LP AC CORD W PLUG 1 S215WF LPK 30 F900C6S20AP AC CORD W PLUG 1 S235WF LPK 30 F900C...

Страница 50: ...F301A6S10HXP DOOR A U 1 S215WF EXCEPT QPQ ZPE S235WF EXCEPT QPQ D2 F301A6S10HAP DOOR A U 1 S215WF QPQ ZPE S235WF QPQ D2 F301A6S10SXP DOOR A U 1 S215MF S235MF D2 F301A6S10BAP DOOR A U 1 S235BF D3 F302K6S10XP DOOR E U 1 D4 F30216S10XP DOOR KEY SPRING 1 D5 F30856S10XP DOOR C 1 D6 F31455G10XN DOOR SCREEN A 1 D7 F31466S10XP DOOR SCREEN B 1 D8 F30126S10KXP DOOR HANDLE 1 S215WF EXCEPT QPQ ZPE S235WF EXCE...

Страница 51: ...rt No Part Name Description Pcs Set Remarks W1 F030A 6S10 LEAD WIRE HARNESS 1 S215WF QPQ ZPE W1 F030A6S10XP LEAD WIRE HARNESS 1 S215WF MF EXCEPT QPQ ZPE W1 F030A6S20XP LEAD WIRE HARNESS 1 S235WF MF BF 11 5 PACKING AND ACCESSORIES 33 ...

Страница 52: ... LPK P2 F01026S20HYT PACKING CASE PAPER 1 S235WF YTE P2 F01026S20HKT PACKING CASE PAPER 1 S235WF KTE PTE P2 F01026S20HKP PACKING CASE PAPER 1 S235WF KPQ STM P2 F01026S20HZP PACKING CASE PAPER 1 S235WF ZPE P2 F01026S20SHP PACKING CASE PAPER 1 S235MF TPE YPQ P2 F01026S20SYT PACKING CASE PAPER 1 S235MF YTE P2 F01026S20SZP PACKING CASE PAPER 1 S235MF ZPE P2 F01026S20BZP PACKING CASE PAPER 1 S235BF ZPE...

Страница 53: ...0Y6S20SHP MEMBRANE SWITCH U 1 S235MF TPE YTE YPQ E2 F630Y6S20SZP MEMBRANE SWITCH U 1 S235MF ZPE E2 F630Y6S20BZP MEMBRANE SWITCH U 1 S235BF ZPE E3 F80346S20SXP ESCUTCHEON BASE 1 S235WF E3 F80346S20HXP ESCUTCHEON BASE 1 S235MF E3 F80346S20BXP ESCUTCHEON BASE 1 S235BF E4 F67006S20XP RUBBER CONNECTOR 1 S235WF MF BF E5 AEDDHJ6S20XP DISPLAY 1 S235WF MF BF E7 F80346S10HQP ESCUTCHEON BASE 1 S215WF QPQ E7 ...

Страница 54: ...36 ...

Страница 55: ...12 2 PARTS LIST 37 ...

Страница 56: ... TRANSISTOR 2 Q222 AESA14EKE CHIP DIGI TRANSISTOR 1 Q14 Q210 Q225 Q230 AESC23JKE CHIP DIGI TRANSISTOR 4 Q224 Q231 2SC2412KT146 CHIP TRANSISTOR 2 Q223 B1ACGF000004 AUDION 1 R350 AERJ06J102R CHIP RESISTOR 1 1K 1 10W 5 R221 R223 AERJ06J104R CHIP RESISTOR 2 100K 1 10W 5 R225 R227 AERJ06J152R CHIP RESISTOR 2 1 5K 1 10W 5 R220 AERJ06J222R CHIP RESISTOR 1 2 2K 1 10W 5 R13 AERJ06J223R CHIP RESISTOR 2 22 1...

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