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Panasonic NN-ST34HMYTE, Service Manual

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CONTROL PANEL PARTS

C05

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Summary of Contents for NN-ST34HMYTE

Page 1: ...l No Model No Model No Model No Panasonic Corporation 2017 Unauthorized copying and distribution is a violation of law NN ST34HMYTE NN ST34HMYPQ NN ST34HMRPH NN ST34HWQPQ 14 7 kg approx 23L 800 Watts...

Page 2: ...within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections D Any defective or misadjusted components in...

Page 3: ...3 SCHEMATIC DIAGRAM 4 4 CIRCUIT DESCRIPTION 4 5 SERVICE INFORMATION 5 1 TOOLS AND MEASURING INSTRUMENTS 5 1 MICROWAVE LEAKAGE TEST 5 1 MEASUREMENT OF MICROWAVE POWER OUTPUT 5 3 DISASSEMBLY AND ADJUSTM...

Page 4: ...s not recommended for commercial purposes DESCRIPTION Microwave Power for Variable Cooking Power level ITEM Control Complement Rating Label Location Accessories Glass Tray Roller Ring Instruction manu...

Page 5: ...ron be assembled to the waveguide and cavity Never operate the magnetron unless it is properly installed Be sure that the magnetron gasket is properly installed around the dome of the tube whenever in...

Page 6: ...at surface at least 10 cm 4 inches from the wall 7 Place the microwave oven as far away as possible from TV RADIO COMPUTER etc to prevent interference EARTHING INSTRUCTIONS This microwave oven is desi...

Page 7: ...your instructions During Cooking One press temporarily stops the cooking process Another press cancels all your instructions and a colon or the time of day will appear in the display 12 Start pad One...

Page 8: ...alomitas 9 Almohadilla M s Menos 10 Almohadillas Arriba Abajo para ajuste de peso 11 Almohadilla Tiempo Adicional 12 Almohadilla 30 Seg Autom tico 13 Almohadilla Pausa Cancelar Antes de cocinar Borra...

Page 9: ...l disappear Actual time will not be lost Child is indicated in the display TO CANCEL CHILD LOCK Press Stop Reset 3 times in 10 seconds The clock will reappear in the display 4 3 Stop Reset Timer Clock...

Page 10: ...SCHEMATIC DIAGRAM 4 4...

Page 11: ...ltage capacitor The negative 4000 Volts DC is applied to the filament of the magnetron WHEN THE OVEN IS SET AT ANY LEVEL EXCEPT MAXIMUM The micom controller controls the ON OFF time of relay 2 by the...

Page 12: ...ich is graduated to 600 cc and place the beaker on the center of the turntable Set the energy leakage monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure c...

Page 13: ...test probe must be removed no faster than 1 inch sec 2 5 cm sec along the shaded area otherwise a false reading may result The test probe must be held with the grip portion of the handle A false read...

Page 14: ...the vessel After addition of the water to the vessel the load is immediately placed on the center of the turntable which is in thd lowest position and the microwave power switched on The time T for th...

Page 15: ...h voltage capacitor 2 Disconnect the leadwire from magnetron high voltage transformer and capacitor 3 Remove the screw holding the high voltage transformer to the baseplate Remove door Assembly Remove...

Page 16: ...the leadwire from the turntable motor terminals 6 Remove the screw securing the turntable motor to the oven cavity ASS Y 7 After rep the motor rotate the removed turntable motor cover 8 Fit the turnt...

Page 17: ...THE OVEN ASSEMBLY Mount the latch board to the oven assembly Adjust the latch board in the arrow direction so that oven door will not have any play in it when the door is closed Tighten the mounting s...

Page 18: ...circuit in the door open condition When the door is closed meter should indicate an closed circuit When the secondary switch operation is abnormal make the necessary adjustment or replace the switch...

Page 19: ...DURE RESULTS HIGH VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed 1 Measure the resistance Ohm meter scale Rx1 Primary winding Secondary winding Filament winding 2 Measure the resi...

Page 20: ...10000 Measure the continuity Reverse Ohm meter scale Rx10000 Normal Momentarily indicates several ohms and then gradually returns to Normal Normal Abnormal Continuity NOTE When testing the magnetron b...

Page 21: ...primary the secondary and the monitor switches H V D and H V C before replacing the fuse If the fuse is blown by improper switch operation replace the defective switch and the fuse at the same time R...

Page 22: ...the resistance Ohm meter scale R x 1000 Normal Abnormal or several Normal Approx 100 200K Abnormal or several NOTE A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY...

Page 23: ...does not work Inserting many plug into one plug outlet and using them at the same time causes overloading Microwave oven plug is not inserted tightly Output power is too low Low AC input voltage Food...

Page 24: ...ng cooking cycle 11 Display time of day does not reappear when cooking is finished 12 Beep sound is not heard when correct key is touched 5 13 TROUBLE 1 The following visual conditions indicate a prob...

Page 25: ...h with door closed Check continuity of primary switch with door opened Disconnect one side of the wire lead connected from transformer to the high voltage capacitor and operate the unit Replace fuse T...

Page 26: ...uity of secondary switch with door closed Check fan motor Check oven lamp Abnormal Abnormal Normal Defective fan motor Defective oven lamp Replace fan motor Replace oven lamp Defective P C B assembly...

Page 27: ...Defective high voltage transformer Replace high voltage transformer Check H V transformer normal normal Abnormal Defective high voltage Diode Replace high voltage Diode Check H V diode Abnormal Defect...

Page 28: ...set power level Operates properly on HIGH CONDITION CHECK RESULT CAUSE REMEDY Output is full when you set lower power level Abnormal Disconnect the wire leads from relay 2 and check continuity relay...

Page 29: ...6 1 EXPLODED VIEW INTRODUCTION OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS LATCH BOARD PARTS CONTROL PANEL PARTS DOOR PARTS...

Page 30: ...6 2 DOOR PARTS D03...

Page 31: ...6 3 CONTROL PANEL PARTS C 05...

Page 32: ...6 4 OVEN CAVITY PARTS...

Page 33: ...6 5 LATCH BOARD PARTS...

Page 34: ...INTERIOR PARTS 6 6...

Page 35: ...6 7 BASE PLATE PARTS...

Page 36: ...A C V H P B 0 N 0 4 0 9 0 6 A 6 0 E 1 I S E D O I D P Z 0 V 1 4 2 0 2 6 A 7 0 E 1 R E T L I F E S I O N P Z 1 V 1 4 Y 2 9 6 A 0 1 E 1 E S U F P B 0 N 0 4 0 3 2 6 A 1 1 E 1 T I N U P M A L P B 0 5 W 7...

Page 37: ...1 E 1 T I N U P M A L P B 0 5 W 7 E 2 1 6 A 3 1 E 1 G U L P W D R O C C A P Y 0 U 1 4 C 0 0 9 A 6 1 E C 0 C 0 2 1 1 N E V O T U O T U C L A M R E H T P Z 0 T 1 4 5 4 1 6 A 4 4 E 1 A K O O H R O O D P...

Page 38: ...3 2 6 A 1 1 E 1 T I N U P M A L P R 0 T 1 4 E 2 1 6 A 3 1 E 1 G U L P W D R O C C A P R 0 T 1 4 C 0 0 9 A 6 1 E C 0 C 0 2 1 1 N E V O T U O T U C L A M R E H T P Z 0 T 1 4 5 4 1 6 A 4 4 E 1 A K O O H...

Page 39: ...E 1 E S U F P B 0 N 0 4 0 3 2 6 A 1 1 E 1 T I N U P M A L P B 0 5 W 7 E 2 1 6 A 3 1 E 1 G U L P W D R O C C A P Q 0 T 1 4 C 0 0 9 A 6 1 E C 0 C 0 2 1 1 N E V O T U O T U C L A M R E H T P Z 0 T 1 4 5...

Page 40: ...XIN XOUT Oscillation XIN XOUT COM2 COM3 R9 1K R10 1K R11 1K R12 1K R13 1K R14 1K L E101 4 7uF 400V C103 103 1 3 5 CN100 VH5 3 Power Circuit E102 470uF 25V R106 10K E100 4 7uF 400V L101 2 2mH 0 1A C101...

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