Panasonic NN-C69KSMEPG Service Manual Download Page 36

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OVEN CAVITY PARTS

6-6

L05A

B13

W10

R19

G03

R08

R05

R11

R04

E34

R08A

T30

E17

A00

Summary of Contents for NN-C69KSMEPG

Page 1: ...ron Timer Outside Dimensions Cavity Dimensions Net Weight Shipping weight Specifications subject to change without notice 2 450 MHz 0 9 W x H x W x H x 351 D mm 2M319J Grill 230 Volts AC 50 Hz Microwave 1500W 520 D mm Convection 2 1 2400W 400W 1000 Watts full microwave power 9 5 kg approx 20 7 kg approx 327 520 351 240 5 9 Unauthorized 30L 0 min Order No PMUK19100002C2 ...

Page 2: ...r and other damage 4 damage to or loosening of hinges and latches 5 evidence of dropping or abuse C Before turning on microwave power for any service test or inspection 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 the interlock monitor door seal...

Page 3: ...RAM 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 ADJUSTMENT 5 3 INTERLOCK CONTINUITY TEST 5 7 COMPONENT TEST PROCEDURE 5 8 TROUBLE SHOOTING 5 12 EXPLODED VIEW 6 1 REPLACEMENT PARTS LIST 7 1 SCHEMATIC DIAGRAM OF P C B 8 1 POWER LEVEL AND ACCESSORIES 1 1 ...

Page 4: ...ended for commercial purposes DESCRIPTION ITEM Control Complement Rating Label Location Accessories Microwave Power for Variable Cooking Power level Combi Combi Grill Tray Roller Ring Rack Instruction manual 470 Watts Max Defrost Medium Low Warm in 270 Watts 750 Watts 100 Watts Glass Tray 1000 Watts ...

Page 5: ...gnetron 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 installing the magnetron CAUTIONS Unlike other appliances the microwave oven is high voltage and high current equipment Though it is free from danger in ordinary use extreme care should be taken dur...

Page 6: ...IT HAS TO BE PROPERLY EARTHED FOR PERSONAL SAFETY If your AC outlet is not grounded it is the personal responsibility of the customer to have it replaced with a properly grounded wall socket Examine your microwave oven Unpack the oven remove all packing material and examine the oven for any damage such as dents broken door latches or cracks in the door If you find any damage notify your dealer imm...

Page 7: ... After pressing Auto Programme turn the dial to select AUTO PROGRAMMES Confirmation Press the dial to confirm the setting CONFIRM indicator flashes when the setting needs to be confirmed 9 Stop Reset button Before Cooking One press clears your instructions During Cooking One press temporarily stops the cooking programme Another press cancels all your instructions and the time of day will appear in...

Page 8: ...dly to Then press START 30SEC CONFIRM to confirm turn to adjust the cooking time Press START 30SEC CONFIRM again to start cooking 2 Grill or Combi Cooking screen will display P100 Press Micro Grill Conv Combi once the Press Micro Grill Conv Combi repeatedly or turn the to choose the mode Then press START 30SEC CONFIRM to confirm turn to adjust the cooking time Press START 30SEC CONFIRM again to st...

Page 9: ... Press Combination Turn the dial to select the suitable level in the chart above The indicators corresponding to the COMBINATION level flash Press the dial to confirm the setting Press Start to start preheating The P lights up in the display while preheating After the preheating beep 3 times open the door and place the food in the oven Turn the dial to set the cooking time up to 9 hours Press Star...

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

Page 11: ...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 power of microwave oven as POWER LEVEL refer to page 1 1 WHEN THE DOOR IS OPENED DURING COOKING Both the primary switch and relay 5 are cut off primary winding voltage of the high voltage transformer ON OFF of relay 5 is coupled electrically with op...

Page 12: ...ater and convection Turntable rotates The fan motor and convection fan motor rotates The air is also directed into the oven to exhaust the vapor in the oven through the back plate and upper plate 4 CONVECTION FUNCTION L N GRILL THERMOSTAT GRILL HEATER L G Y N E RELAY THERMOSTAT CONVECTION CONVECTION HEATER by the solid line heater through each thermostat as shown 4 RELAY 3 ...

Page 13: ...er which 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 correct result When measuring the leakage always use the 2 inch 5cm spacer supplied with the probe Operate the oven at its maximum output Measure the microwave radiation using and electromagnetic ...

Page 14: ...e 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 reading may result if the operator s hand is between the handle and the probe When testing near a corner of the door keep the probe perpendicular to the surface making sure the probe horizontally along t...

Page 15: ...d to 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 the temperature of the water to rise by a value T of 10 2 K is measured where T is the time in seconds and T is the temperature rise The initial and final water temperatures are selected so that th...

Page 16: ... capacitor 2 Disconnect the leadwire from magnetron high voltage transformer and capacitor 3 Remove the screw holding the high voltage transformer to the baseplate F 1 Discharge the high voltage capacitor 2 Disconnect the leadwire from fan motor noise filter and high voltage capacitor 3 Remove the two screws holding the orifice oven cavity and remove the high voltage earth screw 4 Remove the screw...

Page 17: ...le 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 turntable motor cover s projecting part to the base plate slit NOTE 1 Remove the wire lead from the turntable motor VERY CAREFULLY Waveguide Magnetron Gasket Magnetron Dome Waveguide Bracket Magnetron damaged magnetron 2 When replacing...

Page 18: ... AND ADJUSTMENT OF THE LATCH BOARD TO 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 screw Check for play in the door by pushing the door release button Door movement should be less than 0 5 mm 1 64 inch Don t push the door release button while mak...

Page 19: ...n 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 only with the same type of switch C MONITOR SWITCH TEST Disconnect the wire lead from the monitor switch Connect the ohmmeter leads to the common COM and normally closed NC terminals of the switch Th...

Page 20: ...EDURE 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 resistance Ohm meter scale Rx1000 Primary winding to ground Filament winding to ground 1 Measure the resistance Ohm meter scale Rx1 Filament terminal 2 Measure the resistance Ohm meter scale Rx1000 Filam...

Page 21: ...r scale Rx1000 Terminal to case Measure the continuity Forward Ohm meter scale Rx10000 Measure the continuity Reverse Ohm meter scale Rx10000 Normal Momentarily indicates several ohms and then gradually returns to Normal Normal Continuity Abnormal Normal Abnormal Continuity NOTE When testing the magnetron be sure to install the magnetron gasket in the correct position and be sure that the gasket i...

Page 22: ...ime Replace just the fuse if the switches operate normally Normal Abnormal HEATER ELEMENT Wire leads removed Measure the resistance Multi meter scale Rx1 Measure the resistance with 500V 100M ohm insulation resistance meter NOTE Make sure heater is fully cooled when tested THERMOSTAT Normal more than 0 5 Mohm temperature specified temperature Above COMPONENTS TEST PROCEDURE RESULTS Below specified...

Page 23: ...CTOR NOT THE WIRES 1 3 5 Measure the resistance Ohm meter scale R x 1 Normal Abnormal or several Ω 00 500 1 Cooking Start OFF Ω Normal Approx 100 200K Abnormal or several Ω Ω L V Transformer of P C B Refer to schemetic diagram Check for P C B connector Disconnect the 3 pin connector from P C B Normal Abnormal COMPONENTS TEST PROCEDURE RESULTS Relay 2 Relay 1 Relay 3 Relay 4 Relay 5 RELAY 2 RELAY 3...

Page 24: ...nto 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 temperature is too low Using metallic ware and allowing it to touch the oven wall Sparks occurring Inconsistent intensity of microwave by their characteristics 1 Wrap the thinner part with aluminum foil 2 Use plastic wrap or lid 3 Stir...

Page 25: ... Digit flickering NOTE Slight flickering is normal 2 Colon does not turn on or blink 3 A distinct change in the brightness of one or more numbers in display 4 One or more digits in the display are not lighting 5 Display indicates a number different from one touched for example key in 5 and 3 appears in the display 6 Specific numbers for example 7 or 9 will not display when key pad is touched 7 Dis...

Page 26: ...onnect one side of the wire lead connected from transformer to the high voltage capacitor and operate the unit No continuity Continuity Shorted contact at the primary switch Fuse blows again Normal Defective high voltage capacitor Replace high voltage capacitor Defective high volt age transformer Replace high volt age transformer Replace fuse TROUBLE 2 Oven does not operate at all Display window d...

Page 27: ...k continuity 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 Loose connection Connection then tightly CONDITION CHECK RESULT CAUSE REMEDY Output is low Lower than 90 of rating voltage Normal Normal Abnormal Abnormal Measure the output power Disconnect the wire leads from relay ...

Page 28: ... Replace high voltage transformer Check H V transformer normal normal Abnormal Defective high voltage Diode Replace high voltage Diode Check H V diode Abnormal Defective high voltage capacitor Replace high voltage capacitor Check H V capacitor Abnormal Defective magnetron Replace magnetron Check Magnetron TROUBLE 5 No microwave oscillation even though oven lamp and fan motor run Display operates p...

Page 29: ...nction the thermostat Replace Thermostat and relay 4 Grill Normal 1 Lower tempera ture the oven Abnormal Malfunction the heater Replace Heater Normal Abnormal Malfunction the thermostat Replace Thermostat and relay 4 Grill No continuity Open or loosen Replace or connect tightly Wire connection TROUBLE 6 Oven does not cook properly when programmed for the set power level Operates properly on HIGH T...

Page 30: ...nd relay3 No continuity Open or loosen Replace or connect tightly Wire connection NOTE Make sure the wore leads correct position When removing the wire leads from parts be sure to grasp the connector not the wires When removing the magnetron be sure to install the magnetron gasket in the correct position and in good condition TROUBLE 8 Convection CONDITION CHECK RESULT CAUSE REMEDY is not Heater C...

Page 31: ...OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS LATCH BOARD PARTS CONTROL PANEL PARTS DOOR PARTS 6 1 EXPLODED VIEW INTRODUCTION ...

Page 32: ...DOOR PARTS 6 2 D01 D06 D07 D08 D09 D14 D15 D31 D40 ...

Page 33: ...6 3 CONTROL PANEL PARTS C71 C69 C72 C10 C02 C05 C01 C06 C20 ...

Page 34: ...6 4 INTERIOR PARTS ...

Page 35: ...6 5 LATCH BOARD PARTS ...

Page 36: ...OVEN CAVITY PARTS 6 6 L05A B13 W10 R19 G03 R08 R05 R11 R04 E34 R08A T30 E17 A00 ...

Page 37: ...6 7 BASE PLATE PARTS ...

Page 38: ...C06 12170000025027 Button 1 C10 12170000030990 Dial Knob 1 C16 12170000003653 Decoration Ring 1 C20 12170000025026 Button 1 C69 17170000019364 MI Assembly 1 C71 17170000024249 Program Chip 1 C72 17170000024183 Display Assembly 1 D01 12270000032558 Door Frame Drop Glue Assembly 1 D04 12270000033402 Hinge Assembly 1 D06 12570000A28092 Door Glass 1 D07 12170000025029 Door Panel 1 D08 12170000025030 D...

Page 39: ...an 1 R08A 12270000005062 Metal Fan 1 R10 12270000006331 Heat Insulator 1 R11 12470000000025 Heat Insulation Cotton 1 R19 12970000000613 Pin Cover 1 T01 11002014000772 Synchronous Motor 1 T02 12170000000430 Coupler 1 T03 12170000004316 Swivel Assembly 1 T04 12570000001002 Glass Turntable 1 T30 12270000004607 Motor Bracket 1 T36 12170000030992 Waterproof Bracket 1 T36B 12170000030993 Plastic Bracket...

Page 40: ...4 10 5V 12V IN 1 8 T100 EE19 2376 4 1 AC 2 AC 3 BR1 BR 1 2 3 4 5 6 7 8 9 10 CN1 CN10 PWM C25 102 C24 102 1 2 3 4 PC817 IC101 PC817 GND VCC SCL SDA Touch XRes 1 2 3 4 RLY4 Comment CONVECTION D4 4148 E C B Q9 S8550 R12 3K3 B C E Q4 KRC105 2 2K 47K CON_RY D8 4148 1 2 3 4 RLY7 Comment B_GRILL D7 4148 B C E Q7 KRC105 2 2K 47K D9 4148 BG_RY R26 47K R27 47K R28 47K 5V 4 7uH 0 3A 450mA 300mA 1 2 3 4 RLY6 ...

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