Samsung PG83R Service Manual Download Page 1

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SERVICE

MICROWAVE OVEN

CONTENTS

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. PCB Diagrams

9. Schematic Diagrams

Manual

PG83R

Summary of Contents for PG83R

Page 1: ...NTS 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 PCB Diagrams 9 Schematic Diagrams Manual PG83R ...

Page 2: ...s 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 and microwave generation and transmission systems s...

Page 3: ...ould 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 parts Primary and secondary interlock switches interlock monitor switch 12 If the fuse is blown by the Interlock Monitor Switch Replace all of the following at the same time Primary door sensing switch ...

Page 4: ...gure 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 voltage is maintained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each of the special components PRECAUTION...

Page 5: ...DE DIMENSIONS OVEN DIMENSIONS SHIPPING DIMENSIONS SHIPPING WEIGHT APPROX 99 MINUTES 230V 50Hz AC MICROWAVE 1 250W TOP GRILL 1100W SUPER GRILL 1850W MAXIUM 3100W FROM 100 TO 800W IEC 705 TEST PROCEDURE 2 450MHz OM75P 31 ESS COOLING FAN MOTOR 489mm W x 275mm H x 408mm D 330mm W x 211mm H x 329mm D 557mm W x 329mm H x 466mm D NET 15 0kg GROSS 16 5kg ...

Page 6: ...ION HOLS CONTROL PANEL METAL RACK DOOR LATCHES HANDLE SUPER GRILLE BUTTON AUTO REHEAT SELECTION SERVING SELECTION MORE LESS BUTTON COMBI MODE SELECTION CLOCK SETTING START BUTTON SUPER GRILL AUTO COOK SELECTION SUPER GRILL AUTO REHEAT SELECTION AUTO DEFROST FEATURE SELECTION WEIGHT SELECTION DEODORIZATION BUTTON GRILL MODE SELECTION MICROWAVE POWER LEVEL MODE SELECTION TIME SETTING STOP CANCEL BUT...

Page 7: ...does 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 Replacement of High Voltage Transformer 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 Remove the mounting bolts 4 Reconnect the leads correctly and firmly PRECAUTION Servicemen...

Page 8: ...n 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 sound Insertion depth of the thin metal plate should be 0 5mm or less 4 3 3 Removal of Key Door Spring Remove pin hinge from Door E Detach spring from Door E and key door Door E Key Door Spring Door E Door A Door C ...

Page 9: ...perate 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 coupler from cavity 2 Turn the oven upside down to replace the drive motor 3 Remove a screw securing the drive motor cover 4 Disconnect all the lead wires from the drive motor 5 Remove screws securi...

Page 10: ...ol circuit 2 Disconnect the connectors from the control circuit board 3 Remove screws securing the control box assembly 4 Remove the screw securing the ground tail of the keyboard 4 6 2 Removal of Ass y P C B Assembly 1 Remove screws securing the control circuit board 2 Lift up the control circuit board from the Ass y control box SCREWS ASSY PCB CONTROL BOX SCREWS ...

Page 11: ...nt or shorted magnetron 2 Isolate the magnetron from the circuit 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 read open Primary Terminals Filament Terminals Secondary Terminal Magnetron Antenna Gasket Plate Cooling Fins PRECAUTION 1 High voltage i...

Page 12: ...t 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 by moving it so that the oven door will not have any play in it Check for play in the door by pulling the door assembly Make sure that the latch keys move smoothly after adjustment is completed Comple...

Page 13: ...dure 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 5 by a factor of 91 times the of centigrade temperature 5 9 Microwave Heat Distribution Heat Evenness The microwave heat distribution can be checked indirectly by measuring the water temperature ris...

Page 14: ...n 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 the surface of the wave guide as shown in the following photo but avoid the high voltage components The reading should be less than 4mW cm2 5 12 Note on Measurement 1 Do not exceed the limited scal...

Page 15: ...rocedure Replace PCB main Timer starts countdown but no microwave oscillation No heat while oven lamp and fan motor turn on 1 Off alignment of latch switches 2 Open or loose connection of high voltage circuit especially magnetron filament circuit NOTE Large contact resistance will bring lower magnetron filament voltage and cause magnetron to lower output and or intermittent oscillation 3 Defective...

Page 16: ...ain Loud buzzing noise can be heard 1 Loose fan and fan motor 2 Loose screws on H V Transformer 3 Shorted H V Diode Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Turntable motor does not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor Replace turntable motor Oven stops operation during cooking 1 Open or loose wiring of primary interloc...

Page 17: ...7 MM05 MM55 MM42 MM17 MM08 MM09 MM07 MM25 MM59 MM21 MM18 MM19 MM20 MM64 MM03 MM32 MM10 MM88 MM14 MM27 MM28 MB01 MB05 MB03 MB02 MM99 MM100 MB042 MB041 MM66 MC01 MC03 MC02 MC06 MC07 MC41 MD04 MD06 MD05 MD10 MD01 MD07 MD14 MD03 MD02 MM61 MM68 MM57 MM60 MM109 MM61 MM68 MM60 MM109 MM57 Lower Heater Upper Heater MM71 ...

Page 18: ...V TCO MM17 DE47 20009A THERMOSTAT PW2N 520PB 160 60 250V 7 5A H 1 MM18 DE74 20102D TRAY COOKING GLASS T6 890g 1 MM19 DE97 00193B ASSY GUIDE ROLLER NC2000 0 6 T2 P1198 14 1 MM20 DE67 00140A COUPLER NC2000 0 6 0 8 PPS ESS840 3G 1 MM22 DE31 10154A MOTOR SYNCHRONOUS M2HJ49ZR02 ST 16 50 60 1 MM25 DE65 20014A CABLE CLAMP NY 66 DA 6N 1 P CORD MM27 DE61 40066A FOOT PP BLK 2 MM28 DE80 00023A BASE PLATE MW8...

Page 19: ...3 00127A CUSHION PCB PG81 PG83 SPONGE T16 W88 L50 1 MD01 ASSY DOOR PG81 83 PURE WHT CIS 1 S N A MD02 DE64 00644A DOOR A PG81 83 PC W9501 0 8 P GR 1 MD03 DE64 00646A SCREEN DOOR PG81 83 PC G0126 0 8 1 MD04 DE94 00351G ASSY DOOR E COATING PG81R PG83R BWT BLK 1 MD05 DE64 00221F FILM DOOR PG81R PG83R BWT PET T0 15 W1 1 MD06 DE64 40008B DOOR C PP CE745G BLK 1 MD07 DE61 00198A SPRING KEY M1877 HSWR D6 2...

Page 20: ... ZNC 2 C BACK DE60 10045A SCREW TAP PH FEFZY PH M3 L6 1 DE60 10088A SCREW TAP PH FEFZY PLAIN PH M3 L8 5 DE60 10063A SCREW TAP TH FEFN TH M4 L12 1 P OUTER DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 2 B LATCH DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 3 B PLATE DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 BKT UPPER DE60 10070A SCREW TAP TH FEFZY 2 SLOT TH M4 L12 1 C BLOWER DE60 10070A...

Page 21: ... 8 P C B Diagrams 8 1 P C B Diagrams ...

Page 22: ...3 SOT 89 3P SINGLE 0V P 1 IC03 1203 001037 IC VOLTAGE REGULATOR 78L05 SOT 89 3P 185MIL PLASTIC 1 IC02 1404 000230 THERMISTOR PTC 27ohm 20 265V 1 5A 360mA BK 2 PTC1 PTC2 2007 000033 R CHIP 0OHM 5 1 8W DA TP 3216 11 J01 J11 2007 000277 R CHIP 100KOHM 1 1 10W DA TP 2012 1 R13 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 6 R07 R09 R16 R18 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 5 R01 R03 R04 R05 R...

Page 23: ...ic Diagrams 9 1 Schematic Diagrams RED RED BLU BLK FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON SYMBOL ORG RED RED BRN RED BLK COLOR ORANG BROWN RED BLACK ...

Page 24: ...ELECTRONICS Samsung Electronics Co Ltd September 2002 Printed in Korea Code No DE68 02822A ...

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