Panasonic NN-S215WF Service Manual Download Page 27 | Manualshive

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10.1. Trouble related to Digital Programmer Circuit

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Summary of Contents for NN-S215WF

Page 1: ...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 P...

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

Page 3: ...3...

Page 4: ...235WF 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 PRO...

Page 5: ...e 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...

Page 6: ...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...

Page 7: ...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...

Page 8: ...4 2 NN S215 EXCEPT QPQ ZPE 8...

Page 9: ...4 3 NN S235 9...

Page 10: ...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 t...

Page 11: ...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 t...

Page 12: ...he 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 wheneve...

Page 13: ...cuit 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 sh...

Page 14: ...trical 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 U...

Page 15: ...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...

Page 16: ...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 There...

Page 17: ...ys 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 powe...

Page 18: ...t 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 s...

Page 19: ...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...

Page 20: ...OCEDURE 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...

Page 21: ...isconnected 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...

Page 22: ...ilament 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 term...

Page 23: ...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 resist...

Page 24: ...hown 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 a...

Page 25: ...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...

Page 26: ...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 pr...

Page 27: ...10 1 Trouble related to Digital Programmer Circuit 27...

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

Page 29: ...ist 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 manufac...

Page 30: ...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 F0157...

Page 31: ...PQ 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...

Page 32: ...301A6S10HXP 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 F302K6...

Page 33: ...t 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...

Page 34: ...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...

Page 35: ...Y6S20SHP 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 E...

Page 36: ...36...

Page 37: ...12 2 PARTS LIST 37...

Page 38: ...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 RESISTO...

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