Samsung CM1929 Service Manual Download Page 4 | Manualshive

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1. Precaution

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Summary of Contents for CM1929

Page 1: ...Mod CM1929 Production code CM 1929A 08 2012 ...

Page 2: ...BASIC CM1929 CM1919 MODEL CM1929 MODEL CODE CM1929 VERSION 0001 0002 1 Handle Door Design 2 0 9 cu ft Cavity 3 High Power Output P 1 2 3 4 5 6 7 8 9 0 20sec ...

Page 3: ...t of Air Filter 14 4 11 Replacement of High Voltage Capacitor 14 5 Alignment and Adjustments 15 5 1 High Voltage Transformer 15 5 2 Magnetron 15 5 3 High Voltage Capacitor 15 5 4 High Voltage Diode 16 5 5 Main Relay and Power Control RelayA 16 5 6 Adjustment of Primary Switch Door Sensing Switch and Monitor Switch 16 5 7 Output Power of Magnetron 17 5 8 Microwave Heat Distribution Heat Evenness 17...

Page 4: ...3 1 Precaution ...

Page 5: ...ck Monitor Switch Replace all of the following at the same time Primary door sensing switch and power relay as well as the Interlock Monitor Switch The correct adjustment of these switches is described elsewhere in this manual Make sure that the fuse has the correct rating for the particular model being repaired 13 Design Alteration Warning Use exact replacement parts only i e only those that are ...

Page 6: ...nts If the high voltage exceeds the specified limits check each of the special components Discharge the 2 High Voltage Capacitors before servicing Note Touch chassis side first then short to the high voltage capacitor terminal by using a screwdriver H V Capacitors Negative Terminal Screwdriver PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HI...

Page 7: ... 50Hz AC Power Consumption Microwave 3200W Microwave 3200W Output Power 1850W IEC 705 1850W IEC 705 Operating Frequency 2450MHz 2450MHz Magnetron OM75P 20 ESS 2M244 M12 Cooling Method VENTILATION MOTOR VENTILATION MOTOR Dimensions W x H x D Outside 464 x 368 x 557mm 464 x 368 x 557mm Oven Cavity 370 x 190 x 370mm 370 x 190 x 370mm Net 32Kg 32Kg Shipping 34 5Kg 34 5Kg 2 Specifications ...

Page 8: ...6 7 8 9 10 P 1 2 3 4 5 6 7 8 9 0 20sec 1 DISPLAY 2 PROGRAM PAD 3 PROGRAM LOCK PAD 4 NUMBER PADS Time Memory Programming 5 POWER LEVEL SELECTOR PAD 6 DEFROST SELECTOR PAD 7 DOUBLE QUANTITY PAD 8 20sec PAD One Touch Cook Pad 9 STOP CANCEL PAD 10 START BUTTON ...

Page 9: ...3 2 Features External Views OVEN LAMP 230V 25W DISPLAY OVEN LAMP COVER DOOR HANDLE DOOR START BUTTON CEILING COVER SAFETY INTERLOCK HOLES CONTROL PANEL DOOR LATCHES PLATE TRAY AIR FILTER 514 1000 368 444 10 464 486 530 43 26 557 ...

Page 10: ... and duct fan 5 Remove the nut flanges securing the magnetron by using a box wrench 6 Take out the magnetron very carefully NOTE1 When removing the magnetron make sure that its antenna 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 See page 19 for a...

Page 11: ...s is fragile NOTE The thickness of the flat screwdriver or thin metal plate inserted into the gap should be 0 5mm or less 3 Remove 2 screws securing the Door Handle to the Door E Assy 4 Unbend the 2 metal tabs at both ends of the Door Handle to remove the Door Handle Cover from the Door Handle Upper Hinge Lower Hinge Spring Key 2 screws securing Door Handle Key Door Pin Key Screen B Door C Door E ...

Page 12: ...ith both hands and pull them in and down 4 Take the celing cover out of the oven cavity 5 Remove plastic clips securing the Ass y Stirrer Caution When removing the Ass y Stirrer Cover be sure to be extremely careful about the exposed inside components on the top of the oven cavity If any of them are deformed abnormal symptom can happen such as arcing or sparks during operation To remove Ass y Stir...

Page 13: ...h membrane of the control box assembly 5 Remove a screw securing the tapped taping to PCB1 6 Remove Control Box Ass y 7 To replace Digitron remove 2 screws securing the PCB 4 8 To replace Start Button Circuitry remove 2 screws securing the PCB3 9 Unbend the metal tabs holding the Panel Base to Control Box body 4 6 2 Removal of main P C Board 1 Remove Control Box Assembly by following the steps 1 5...

Page 14: ...inserting a thin metal tool into the gap between the oven wall and the tray siliconcover 3 Insert the new tray by tilting it across the oven cavity 4 Firstly fix the front part refers to the place where the silicon cover is thinner than the other 3 edges and then place the backward part carefully and firmly NOTE Be careful when you handle the tray since it is fragile Tray 4 9 Replacement of Lamp N...

Page 15: ... Air Filter off the post carefully NOTE Spacer pins are not detachable from the Air Filter Bolt 4 11 Replacement of High Voltage Capacitor NOTE It is not necessary to remove Magnetron in order to remove HVC 1 Remove the outer panel and back cover 2 Discharge the high voltage capacitor 3 Remove HVT wire and H V Fuse 4 Remove screws securing HVC bracket H V Capacitor ...

Page 16: ...l 5 2 Magnetron 1 Continuity checks can indicate only an open filament or a shorted magnetron To diagnose an open filament 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 Cooling...

Page 17: ...nt be sure to check the continuity of all interlock switches and the interlock monitor switch 1 When mounting Primary switch and Interlock Monitor switch to Latch Body consult 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 o...

Page 18: ...ower 4 187 x 1000 x T 0 55xMcx T2 T1 22 Heating Time sec 4 187 Coefficient for Water 1000 Water cc T Temperature Rise T2 T1 To Room Temperature Mc Cylindrical borosilicate glass weight 22 7 Normal temperature rise for this model is 9 C to 11 C at HIGH NOTE 1 Variations or errors in the test procedure will cause a variance in the temperature rise Additional power test should be made if temperature ...

Page 19: ...han 5cm erroneous readings may result 5 Measured leakage must be less than 4mW cm2 after repair or adjustment Maximum allowable leakage is 5mW cm2 4mW cm2 is used to allow for measurement and meter accuracy 5 10 Note on Measurement 1 Do not exceed the limited scale 2 The test probe must be held on the grip of the handle otherwise a false reading may result when the operator s handle and the probe ...

Page 20: ...Shorted H V Capacitor 5 Shorted H V Transformer NOTE2 Check adjustment of primary interlock monitor power relay door sensing switch NOTE 1 All of these switches must be replaced at the same time refer to adjustment instructions Check continuity of power relay contacts and if it has continuity replace power relay also NOTE 2 When H V Transformer is replaced check diode and magnetron also Oven does ...

Page 21: ...en screws of Cover Back Drive motor not work Ass y stirrer dose not rotate 1 Open or loose wiring of turntable motor 2 Defective turntable motor 3 Defective ass y stirrer Check the wire of drivemotor Replace drive motor Replace ass y stirrer Oven stops operation during cooking 1 Operationofthermalcutout Magnetron or Cavity 2 Fan motor does not rotate Adjust door and latch switches Replace Fan moto...

Page 22: ...21 6 Troubleshooting 6 1 Electrical Malfunction Continued ...

Page 23: ...22 6 Troubleshooting 6 1 Electrical Malfunction Continued ...

Page 24: ...23 6 Troubleshooting 6 1 Electrical Malfunction Continued ...

Page 25: ...lay RY1 or Power Relay1 RY2 failure 2 Loose lead wires of relay 3 Primary or Monitor S W failure 4 Loose lead wires of Primary or Monitor S W 5 H V Trans input power sensing circuitry failure Check Main Relay RY1 Power Relay1 RY2 Primary S W and Monitor S W and replace if defective Check if lead wires are loosened and connect firmly if loose Check the circuitry and replace if defective Refer to Op...

Page 26: ...49 M066 P048 P047 M036 R066 U003 B006 B001 B018 M001 M086 M065 M129 P074 W002 M048 M155 P061 Z783 M038 M042 M052 M039 M041 P069 M040 M011 M015 B012 B013 M051 P075 M087 T002 T108 M035 P001 M078 B001 B005 P018 M029 M112 M024 M076 P046 P019 P017 M017 M019 Z016 Z781 M020 ...

Page 27: ...IL 1 10UF 2100V CLASS P AL CAN T 1 SA 1 2 M024 DE31 10180A MOTOR VENTILATION SMV 1829EA 240V50HZ 22 1 SA 1 2 M040 DE61 00421A BRACKET HVC CM1829 SECC T0 8 1 SA 1 2 M112 DE61 30189A SUPPORT FAN MOUNT SECC T1 0 CM 1819 1 SA 1 2 M041 0402 001554 HVDIODE RECTIFIER HV03 12T01 12000V 0 4A 1 SA 1 1 M042 DE91 70061A ASSY H V FUSE THV060T 0800 H 5KV 0 80A W 1 SA 1 1 P074 DE92 90514A ASSY BACK COVER CM 1819...

Page 28: ... 3405 001055 SWITCH MICRO 125 250VAC 16A 200GF SPST N 1 SA 1 2 B005 DE61 00066A SPRING Q CM1819 1829 MSWR PI0 8 1 SA 1 2 B006 DE66 40062A LATCH BODY 1 SA 1 2 B012 DE66 90107A LEVER SWITCH U PBT CM 1819 1 SA 1 2 B013 DE66 90108A LEVER SWITCH L PBT CM 1819 1 SA 1 1 M015 DE96 00356G ASSY POWER CORD KKP 550A 250V15A 1700M 1 SA 1 1 W002 DE96 00503A ASSY WIRE HARNESS A CM1929 230V 50HZ VI 1 SA 1 1 T002 ...

Page 29: ...80138A HINGE SHV 945EG1 KEC T3 0 W24 5 L2 1 SNA 1 2 D019 DE64 20123A HANDLE CM 1819 ZN DICASTING C 1 SA 1 2 D011 DE64 40296A DOOR KEY CR3C 1 SA 1 2 D006 DE64 40298A DOOR C PP 1 SA 1 2 D021 DE64 90145A DECORATION DOOR ABS CM 1819 CM 1 1 SA 1 2 D022 DE64 90146A DECORATION COV DOOR STS CM 1819 1 SA 1 2 D024 DE67 20174N SCREEN DOOR B CM1929 GLASS 3 2 198 5 36 1 SA 1 2 D026 DE71 60433A COVER HANDLE STS...

Page 30: ... C001 DE93 30529N ASSY CONTROL PANEL CM1329 COMMERCIAL 1 SA 1 3 C004 DE34 00158A SWITCH MEMBRANE CM1929 XEU COMMERCIAL 1 SA 1 3 C009 DE67 40161A WINDOW DISPLAY RESIN PMMA 82555 CM 181 1 SA 1 3 C020 DE70 30125A PANEL BASE RESIN ABS TC CM 1829 1 SA 1 3 C021 DE71 60426A COVER PANEL STS430 T0 5 TC CM 1829 1 SA 1 3 C022 DE71 60428B COVER PANEL L L CM1019 ABS CM 1 SA 1 3 C023 DE71 60429B COVER PANEL L R...

Page 31: ... HVT 1 1 DE60 10082I SCREW A 2S 4X10 FEFZY 3 SA O P C PANEL BODY LATCH 1 1 DE60 10199A SCREW WASHER MSWR18C 4 L10 TH WASHER 7 SA SUP FAN DUCT OVEN DUCT MGT R DUCT MGT 1 1 DE60 20014A BOLT FLANGE M5 L10 MSWR3 FEFZY 1 SA 1 1 DE60 30015A NUT FLANGE M5 P0 8 MSWR10 FEFZY 1 SA MGT 1 2 6006 001176 SCREW ASSY TAPT WT PH M4 L8 ZPC YEL 1 SNA HVD HVC 1 2 DE60 10082I SCREW A 2S 4X10 FEFZY 2 SA C FILM VENT MOT...

Page 32: ...2 9 2 2 0 5 2 5 2 2 2 4 4 2 Z 4 8 N 2 2 4 2 6 U N U 2 6 3 6 6 2 4 2 3 3 3 0 9 4 3 7 6 7 4 2 4 2 6 N 2 2 4 6 N 4 6 6 2 2 2 0 5 9 2 2 2 4 0 5 9 2 2 4 3 5 2 N 2 N 2 2 4 9 2 2 2 4 2 6 9 2 2 0 5 6 2 4 2 2 2 2 2 2 2 2 0 5 9 2 0 2 0 2 2 2 2 2 4 6 2 6 7 3 3 3 7 6 7 4 2 2 N 2 6 7 3 2 3 7 6 2 N 04 6 2 2 2 3 N N 2 N 2 0 4 542 4 6 542 6 0 4 4 5 4 0 9 9 6 4 4 6 2 4 0 4 0 4 0 3 5 2 0 4 0 3 5 2 0 6 4 5 4 0 6 0 6...

Page 33: ...R 2 5MM STRA 1 SNA CN10 1 3 DE02 00060A CH ISOPROPHYL ALCOHO ALL MODEL 1 SNA 1 3 DE26 00132A TRANS SWITCHING EI 2218 PL 3 1 1MH 1 1 SNA ST01 1 3 DE29 00005A FILTER LINE UU1116 SM70S 30MH 1 8OHM 1 1 SNA L01 1 3 DE47 40024A HOLDER FUSE FH 51H 7 5A 1 SNA FUSE1 1 3 DE68 02628A LABEL PCB ADHESIVE W10 L30 WHT 1 SNA 1 3 DE92 01891A ASSY PCB SUB DISPLAY AC220V 50 60HZ CM18 1 SNA 1 4 3711 000616 HEADER BOA...

Page 34: ... R CARBON 180OHM 5 1 8W AA TP 1 8X3 2MM 1 SNA R17 1 4 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 SNA R02 R111 R35 R37 1 4 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 8 SNA R05 R01 OR01 OR03 R06 R107 R15 OR01 1 4 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2M 4 SNA R11 R14 1 4 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M 1 SNA R07 1 4 2001 000786 R CARBON 47KOHM 5 1 8W AA T...

Page 35: ...02 000253 C CERAMIC MLC AXIAL 4 7nF 20 16V Y5R 1 SNA C05 1 4 2203 000555 C CER CHIP 0 02NF 5 50V C0G TP 2012 2 SNA C03 C04 1 3 DE39 40692A WIRE HARNESS B 11PIN CM1819 29 1 SA WIRE1 1 3 DE39 40694A WIRE HARNESS C 9PIN 1 SA WIRE2 1 3 DE39 40113B WIRE HARNESS F 100V 50 60HZ RE CH1 1 SNA WIRE4 1 3 3002 000198 BUZZER PIEZO 85DB 24 4KHZ ST 1 SNA BZ1 9 1 Electrical Parts List Continued ...

Page 36: ...35 10 Wiring Diagrams 10 1 Wiring Diagrams This Document can not be used without Samsung s authorization ...

Page 37: ... means power relay 1 should not work when the power relay 2 does or relay 2 should not work when the power relay 1 does The power realy 1 is energized for 15 seconds and then the power relay 2 is energized for 15 seconds in turn One complete ON and OFF cycle time of the power relay 1 and 2 is 30 seconds The relation between indications on the display window and the output power of the microwave ov...

Page 38: ... as shown in the figure below When the oven is set to DEFROST power position Inrush Relay1 and Power Relay1 are programmed to work with Inrush Relay2 and Power Relay2 not simultaneously but alternately NOTE LAMP Lamp Relay 250V 5A MAIN Main Relay 250V 16A VENT Ventilation Motor Relay 250V 5A IR1 Inrush Relay1 250V 5A IR2 Inrush Relay2 250V 5A P1 Power Relay1 250V 16A P2 Power Relay2 250V 16A ...

Page 39: ...correctly supplied to the primary terminal of High Voltage Transformer when the microwave oven is operating If any abnormal condition eg Micro S W Relay open is detected the error code E41 E42 shows on the display window When the error code appears in the display window check the wave form A B C or D In case of Power Relay 1 RY2 check the wave form A B below In case of Power Relay 2 RY5 check the ...

Page 40: ...RV CONVECTION BUILT IN B RB USA RV BUILT IN USA Junior SJ SJ USA Junior MWO USA OTR SM SOLO H SMH USA OTR SOLO CONVECTION V SMV USA OTR CONVECTION EUROPE Epoxy Cavity M SOLO 1 M1 EUROPE SOLO EPOXY CAVITY GRILL 2 M2 EUROPE GRILL EPOXY CAVITY EUROPE Ceramic Enamel CE SOLO 1 CE1 EUROPE SOLO CERAMIC ENAMEL GRILL 2 CE2 EUROPE GRILL CERAMIC ENAMEL EUROPE Quartz GRILL G2 G2 EUROPE Quartz GRILL EUROPE Pow...

Page 41: ...S Grill Browner G CERAMIC ENAMEL Clay C GE GC GW GS Quartz Grill Browner Q QE QC QW QS Conv C Epoxy W CE CC CW CST TBMO Power Grill T TE TC TM TST Commercial O STSS S OE OC OW OS USA A SOLO CMO M CERAMIC ENAMEL E AME AMC AMW AMS Inverter SOLO I AIE AIC AIW AIS Grill Browner G CERAMIC ENAMEL Clay C AGE AGC AGW AGS Quartz Grill Browner Q AQE AQC AQW AQS Conv C Epoxy W ACE ACC ACW ACS TBMO Power Gril...

Page 42: ...ood MEDIUM LOW This function is used to cook the food slowly Close the door completely Press the Cancel button Press the Start button Contact the nearest Samsung after sales service center Ground Ground problem may happen when the oven is placed in a humid area and the over is not grounded Ground is not provided by an extended electric outlet If the oven is placed in a humid area buy an electric w...

Page 43: ...emains place a piece of lemon on the turntable and operate the oven for 5 minutes by pressing the Deodorant button However the smells produced from the food exposed such as herbal remedies are not removed Error Errors are classified with Failure and Non failure Refer to the section of ERROR in User Manual Accessory Visit the nearest Samsung Service Center or local dealer to buy accessories Before ...

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