Related Manuals for Samsung CM1012B
Summary of Contents for Samsung CM1012B
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Page 1: Table Of Contents
MICROWAVE OVEN CM1012B SERVICE Manual MICROWAVE OVEN CONTENTS 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 Diagrams... -
Page 2: Exposure To Excessive Microwave Energy
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be (c) Before turning on microwave power operated with the door open. for any service test or inspection within (b) Make the following safety checks on the microwave generating all ovens to be serviced before activating... -
Page 3: Precaution
1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 11. - Page 4 1-2 Special Servicing Precautions (Continued) 16. When checking the continuity of the witches or transformer, always make sure that the power is OFF, and one of the lead wires is disconnected. 17. Components that are critical for safety are indicated in the circuit diagram by shading, or .
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Page 5: Specifications
2. Specifications 2-1 Table of Specifications TIMER 6 MINUTES POWER SOURCE 120V 60Hz, AC POWER CONSUMPTION MICROWAVE : 1,450W OUTPUT POWER FROM 100W TO 1000W (10LEVEL POWER) (IEC-705 TEST PROCEDURE) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75PH(31)ESS COOLING METHOD COOLING FAN MOTOR 11/32 11/16 11/16... -
Page 6: Operating Instructions
3. Operating Instructions 3-1 Control Panel 3-2 Features & External Views Light Safety Interlock Holes Ventilation Holes Door Control Panel Door Latches Open Door PushButton Guide Roller Glass Tray 385mm 517mm - 4 -... -
Page 7: Disassembly And Reassembly
4. Disassembly and Reassembly 4-1 Replacement of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, Lamp Thermo S/W permanent magnet, choke coils and capacitors (all of which are contained in one assembly). 1. Disconnect all lead wires from the magnetron and lamp. -
Page 8: Replacement Of Door Assembly
4-3 Replacement of Door Assembly 4-3-1 Removal of Door Assembly Remove hex bolts securing the upper hinge and Upper Hinge Screw lower hinge. Then remove the door assembly. Screw Lower Hinge 4-3-2 Removal of Door "C" Insert flat screwdriver into the gap between Door Door "C"... -
Page 9: Reassembly Test
4-3-5 Reassembly Test After replacement of the defective component parts of the door, reassemble it and follow the instructions below for proper installation and adjustment so as to prevent an excessive microwave leakage. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment. -
Page 10: Replacement Of Control Circuit Board
4-6 Replacement of Control Circuit Board 4-6-1 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. Screws 4. Remove the screw securing the timer. Control Box - 8 -... -
Page 11: Alignment And Adjustments
5. Alignment and Adjustments PRECAUTION 1. High voltage is present at the high voltage terminals during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage. 3. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the high voltage capacitor. -
Page 12: High Voltage Capacitor
5-4 High Voltage Capacitor 1. Check continuity of the capacitor with the meter set at the highest resistance scale. 2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9M Ω . 3. -
Page 13: Output Power Of Magnetron
5-7 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERATOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. The output power of the magnetron can be measured by performing a water temperature rise test. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm) * One glass thermometer with mercury column... -
Page 14: Procedure For Measurement Of Microwave Energy Leakage
5-8 Procedure for Measurement of Microwave Energy Leakage 1) Pour 275±15cc of 20±5° C(68±9° F) water in a beaker which is graduated to 600cc, and place the beaker in the center of the oven. 2) Start to operate the oven and measure the leakage by using a microwave energy survey meter. -
Page 15: Troubleshooting
6. Troubleshooting WARNING FOR HIGH VOLTAGE 4000 VOLTS EXIST AT THE HIGH VOLTAGE AREA. DO NOT OPERATE THE OVEN WITH CABINET PARTS REMOVED. DO NOT REMOVE THE CABINET PARTS IF THE POWER SUPPLY CORD IS PLUGGED IN THE WALL OUTLET. UNPLUG THE POWER CORD BEFORE SERVICING. 6-1 Electrical Malfunction Parts Cause... - Page 16 6-1 Electrical Malfunction(continved) part Cause Diagnosis Remedy To increase the oven 1) Too small If a small amount of food is heated for a long time, water intowater into a load period of microwave may turn off during operation. the oven. Microwave turns off during 2)Defective...
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Page 17: Unsatisfactory Cooking
6-2 Unsatisfactory Cooking Parts Cause Diagnosis Remedy 1) Open cathode of Check the terminals with a multimeter to see Replace magnetron. magnetron if the heater circuit is open. Check the H. V. Diode for continuity in the reverse and 2) Defective normal directions using megger. -
Page 18: Exploded Views And Parts List
7. Exploded Views and Parts List 7-1 Exploded Views MD06 MD08 MD05 MD09 MM01 MD02 MD28 MM52 MD03 MM07 MD11 MM55 MM34 MD04 MM111 MM06 MD07 MD10 MM03 MD01 MD01 MM17 MM10 MM16 MM112 MM13 MB01 MB03 MM110 MM08 MM113 MB05 MM22 MC01... -
Page 19: Main Parts List
PP(FH44N),-,-,-,3.5g,NTR,3RD-W MW5592W,- MB05 DE66-40001C LATCH-BODY -,-,-,-,-,NTR,39.2g MB08 3405-001055 SWITCH-MICRO 125/250VAC,16A,200GF,SPST-NO SECONDARY MM01 DE70-30001B PANEL-OUTER -,SECC,T0.6,360,1128,-,PRESS,- MM03 DE39-00298A WIRE HARNESS-A CM1012B,-,120V60HZ,-,-,-,-,SEA MM06 DE31-00002A ASSY-MOTOR FAN ,SMF-3RDUA1MW5896W,120V60HZ,2450RPM MM07 DE39-20037J ASSY POWER CORD CM1020B,SJT AWG16-3,-,120V60Hz,-,-,- MM08 OM75P(31)ESS ASSY-MAGNETRON:OM75P MM09 DE71-60458A COVER-AIR 3RD-1.0/1.3 MW5896W,PP(TB53),78g,-,- MM10... - Page 20 7-3 Control & Door Parts List Code No. Description Specification Q'ty Remark MC01 ASSY CONTROL-BOX -,CM1012B,L/GREY(G6593),- S.N.A MC03 DE72-00186A CONTROL-PANEL CM1012B,ABS(VH0800),-,L-GRY(G6593A),- MC04 DE61-70076A SPRING-BUTTON HSWR,PI0.6,PI0.6,-,-G30 MC05 DE66-20006L BUTTON-PUSH CM1022B,ABS(HR0370D G6593),-,-,L/GRY,SEA MC08 DE45-00010A TIMER TMFE06MTA9,-,21V,-,60HZ,-,-,TIMER ONLY MC11 DE64-00307A KNOB-TIMER CM1012B,ABS,-,-,-,-,L-GRY(G6593A),-,- MC13...
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Page 21: Standard Parts List
7-4 Standard Parts List Code No. Description Specification Q'ty Remark DE60-10059A SCREW-TAP TH -,-,SUS410,CR,TH,M4,-,L8,-,- C/CEILING DE60-10080B SCREW-WASHER -,2S,SWRCH18A,ZP2,PH,PI5,-,L10,-,- DE60-10080B SCREW-WASHER -,2S,SWRCH18A,ZP2,PH,PI5,-,L10,-,- TNS-HV DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- BD-LAT DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- CN-BOX DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- CV/AIR DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- MGT-TCO DE60-10082H SCREW-A -,-,-,-,2S-4X12,TOOTHED,-,-,-,- N/F-EA DE60-10082H... -
Page 22: Schematic Diagrams
8. Schematic Diagrams 8-1 Schematic Diagrams MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS PRIMARY SWITCH HIGH VOLTAGE CAPACITOR RED RED WHT WHT COLOR SYMBOL ORANGE SECONDARY SWITCH MONITOR SWITCH WHITE HIGH VOLTAGE BOTTOM CENTER BLACK TRANSFORMER BLUE - 20 -...