Samsung PG812R, Service Manual

Page 1: ...TENTS MICROWAVE OVEN 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Troubleshooting 7 Exploded Views and Parts List 8 Schematic Diagr...

Page 2: ...Ltd AUG 2003 Printed in Korea Code No DE68 03250A ELECTRONICS This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable Internatio...

Page 3: ...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 trans...

Page 4: ...uld remove their watches while repairing an MWO 11 To avoid any possible radiation hazard replace parts in accordance with the wiring diagram Also use only the exact replacements for the following par...

Page 5: ...ure 1 1 2 The high voltage capacitor remains charged about 30 seconds after disconnection Short the negative terminal of the high voltage capacitor to to the oven chassis Use a screwdriver 3 High volt...

Page 6: ...DIMENSIONS SHIPPING DIMENSIONS OVEN DIMENSIONS SHIPPING WEIGHT APPROX 60 MINUTES 230V 50Hz AC MICROWAVE 1 250W TOP GRILL 1100W SUPER GRILL 1850W MAXIMUM 3100W FROM 100 TO 800W IEC 705 TEST PROCEDURE...

Page 7: ...m 342mm DOOR TURNTATBLE COUPLER ROLLER RING SAFETY INTERLOCK HOLES LIGHT VARIABLE COOKING POWER CONTROL KNOB VENTILATION HOLS TIMER KNOB METAL RACK DOOR LATCHES HANDLE LOWER HEATER UPPER HEATER DEFROS...

Page 8: ...oes not hit any adjacent parts or it may be damaged NOTE2 When replacing the magnetron be sure to remount the magnetron gasket in the correct position and make sure the gasket is in good condition 4 2...

Page 9: ...s fragile Then remove the door assembly 4 3 2 Removal of Door E Following the procedure as shown in the figure insert and bend a thin metal plate between Door E and Door A until you hear the tick soun...

Page 10: ...te properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 4 5 Replacement of Drive Motor 1 Take out the glass tray guide roller and co...

Page 11: ...6 1 Removal of Control Box Assembly 1 Disconnect the connectors from the control box assembly 2 Remove screws securing the control box assembly 3 Remove the knobs of the control box A ssy 4 Remove the...

Page 12: ...t by disconnecting its leads 3 A continuity check across the magnetron filament terminals should indicate one ohm or less 4 A continuity check between each filament terminal and magnetron case should...

Page 13: ...the figure 2 No specific adjustment during installation of Primary switch and Monitor switch to the latch body is necessary 3 When mounting the Latch Body to the oven assembly adjust the Latch Body b...

Page 14: ...re will cause a variance in the temperature rise Additional power test should be made if temperature rise is marginal NOTE 2 Output power in watts is computed by multiplying the temperature rise step...

Page 15: ...at the highest power level 4 Set survey meter dual ranges to 2 450MHz 5 Using the survey meter and spacer cone as described above measure near the opening of magnetron the surface of the air guide and...

Page 16: ...secondary open the transformer may be faulty Replace H V Transformer Oven lamp does not light 1 Fuse blown out Check fuse Replace the fuse 2 Poor contact of power cord Check continuity of power supply...

Page 17: ...l to the door hinge Fasten or tighten Timer does not operate 1 Defective timer motor If the timer does not operate with 230V applied to the terminals the timer motor amy be faulty Replace timer 2 Defe...

Page 18: ...and OFF repeatedly Replace or adjust 6 Open coil of H V Trans former Check the continuity of primary coil and secondary coil If there is no continuity H V Transformer is defective Replace the H V Tran...

Page 19: ...14 M019 Z062 H008 M006 M008 M029 M035 M037 M015 M058 M016 MM21 T030 W002 M043 M036 M012 M038 M132 M048 B018 B006 B001 B002 M003 M007 H008 M008 M012 M006 C032 C082 Z042 C005 C092 C024 D004 D006 D005 D0...

Page 20: ...1 CAV TCO M031 DE47 00002A THERMOSTAT PW2N 100 110 1 HEATER TCO M031 DE47 00002B THERMOSTAT PW2N 100 110 187H 3 1 GRL TCO M034 DE67 00140A COUPLER NC2000 0 6 0 8 PPS ESS840 3G 1 M049 DE31 10154A MOTO...

Page 21: ...0VA 15000MA 6MS 20 1 C078 DE64 01078A BUTTON HEATER PG812 PC 1 Z042 DE64 01080A BUTTON PUSH PG812 PG832 PC W9501 1 D049 ASSY DOOR PG812R PG832R W9501 P GRILL 2 1 S N A D002 DE64 01074A DOOR A PG812 PG...

Page 22: ...TH 2S M4 L12 NI PLT SWRCH18A 1 P OUTER 6002 000170 SCREW TAPPING PH 2S M3 L6 ZPC YEL SWRCH 1 1 6002 000231 SCREW TAPPING TH 2S M4 L12 ZPC YEL SM20C 1 AC RELAY 6002 000231 SCREW TAPPING TH 2S M4 L12 Z...

Page 23: ...ams This Document can not be used without Samsung s authorization MAGNETRON FA F RED RED RED RED SYMBOL COLOR BRN BROWN BLK BLACK RED RED BLU BLUE BLK BLU HIGH VOLTAGE TRANSFORMER HIGH VOLTAGE CAPACIT...