Samsung CM1079 Service Manual Download Page 15 | Manualshive

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15

4. Disassembly and Reassembly

4-5 Replacement of Control Circuit Board

Parts

Explaination Photo

Explaination

Removal of

Control Box

Assembly

CONTROL BOX

SCREW

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 screw securing the

timer.

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Summary of Contents for CM1079

Page 1: ... the service manual in the GSPN see rear cover for the more information 1 Precaution 6SHFL FDWLRQ 3 Disassembly and Reassembly 4 Troubleshooting 5 Wiring Diagrams BASIC CM1079 MODEL CM1099 MODEL CODE CM1099 XEU ...

Page 2: ...ly 9 4 1 Disassembly of Magnetron Motor Assembly and Lamp 9 4 2 Replacement of High Voltage Transformer 11 4 3 Replacement of Door Assembly 13 4 4 Replacement of Drive Motor 14 4 5 Replacement of Control Circuit Board 15 5 Troubleshooting 16 5 1 Malfunction 16 5 2 Unsatisfactory Cooking 18 5 3 Part Check List 18 6 Wiring Diagrams 19 6 1 Wiring Diagrams 19 8 Reference 21 8 1 Model name standard 21 ...

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

Page 4: ...Interlock 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 SDUWV RQO L H RQO WKRVH WKDW...

Page 5: ... PDLQWDLQHG ZLWKLQ VSHFL HG OLPLWV E FORVH tolerance safety related components and adjustments If WKH KLJK YROWDJH H FHHGV WKH VSHFL HG OLPLWV FKHFN HDFK of the special components H V Diode Short H V Capacitor PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the HIGH 92 7 75 16 250 5 VHFRQGDU DQG ODPHQW WHUPLQDOV W LV H WUHPHO GDQJHURXV WR ZRUN RQ ...

Page 6: ...Source 230V 50Hz 230V 50Hz Power consumption Microwave 1 600W 1 600W Output Power 230V 1 050W IEC 705 230V 1 050W IEC 705 Operating Frequency 2 450MHz 2 450MHz Magnetron OM75S 31 OM75S 31 Cooling Method Cooling fan motor Cooling fan motor Dimensions W x H x D Outside 517 x 297 x 412mm 517 x 297 x 412mm Oven cavity 336 x 225 x 349mm 336 x 225 x 349mm Volume 26Liter 26Liter Weight Net 17 5Kg 17 5Kg ...

Page 7: ...7 3 Operating Instructions 3 1 Control Panel 2 3 1 1 COOKING POWER CONTROL KNOB 2 DEFROST 3 TIMER KNOB ...

Page 8: ...8 3 Operating Instructions 3 2 Features External Views HANDLE VENTILATION HOLES OVEN LAMP COOKING POWER CONTOL KNOB DOOR LATCHES DOOR CERAMIC PLATE SAFETY INTERLOCK HOLES TIMER KNOB ...

Page 9: ...p 1 Disconnect all lead wires from the magnetron and lamp 2 Remove a screw securing air cover 3 Remove the air cover 4 1 Disassembly of Magnetron Motor Assembly and Lamp Remove the magnetron including the shield case permanent magnet choke coils and capacitors all of which are contained in one assembly ...

Page 10: ...xplaination Magnetron Motor Assembly and Lamp 4 Remove screws securing the magnetron to the wave guide 5 Take out the magnetron very carefully 6 Remove two screws from the back panel 7 Take out the fan motor 4 1 Disassembly of Magnetron Motor Assembly and Lamp ...

Page 11: ...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 Parts Explaination Photo Explaination High Voltage Transformer 1 Discharge the high voltage capacitor 2 Disconnect all the leads 4 1 Disassembly of Magnetron Motor...

Page 12: ...FRUUHFWO DQG UPO PRECAUTION Servicemen should remove their watches whenever working close to or replacing the magnetron PRECAUTION There exists HIGH VOLTAGE ELECTRICITY with high current capabilities in the circuits of the 92 7 75 16 250 5 VHFRQGDU DQG ODPHQW WHUPLQDOV W LV H WUHPHO GDQJHURXV WR ZRUN RQ or near these circuits with the oven energized 2 127 PHDVXUH WKH YROWDJH LQ WKH KLJK YROWDJH FL...

Page 13: ...C because it is fragile Then remove the door assembly Removal of Door Assembly Lift up the Door Assembly from Cavity Removal of Door E Following the procedure as shown in the JXUH LQVHUW DQG EHQG D WKLQ PHWDO SODWH 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 Removal of Key Door Spring Remove pin hinge from Door E Detach sp...

Page 14: ... Remove sharp edge after cover removal 3 Disconnect leads from motor 4 Remove the screws securing motor to bottom of over cavity Drive Motor 6 Lift out the motor 5 When replacing the motor be sure to remount it in the correct position NOTE The shaft of motor should W WLS FRXSOHU COVER FIXING SCREW MATCHINE SCREW 6006 001170 6 When reassemble a drive motor cover give a turn in a DQG ZLWK D VFUHZ NO...

Page 15: ...arts Explaination Photo Explaination Removal of Control Box Assembly CONTROL BOX SCREW 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 screw securing the timer ...

Page 16: ...uit normal NO NO Is Primary interlock switch normal Is Power Relay normal YES YES YES YES YES YES NO NO NO YES NO NO Replace switch Do check power supply circuit Do check Relay control circuit Is high voltage dioed normal Is high voltage dioed normal Is high voltage capacitor normal Is magnetron normal NO Is the IC01 output of PCB normal NO NO Checking high voltagecircuts NO NO 5 1 1 If oven malfu...

Page 17: ...O Is the latch switch operating normally Food is not heated even though an oven works Inspection method Method to control latch switch Checking high voltage circuits YES 5 1 2 If food is not heated even though an oven works ...

Page 18: ...ON and OFF repeatedly Replace or adjust 6 Open coil of H V Transformer Check the continuity of primary coil and secondary coil If there is no continuity H V Transformer is defective Replace the H V Transformer 7 Shorted H V capacitor Check the continuity of capacitor If the capacitor shorts the fuse blows Replace the H V Capacitor 8 Monitor Fuse out KHFN WKH PRQLWRU IXVH RQ WKH QRLVH OWHU Replace ...

Page 19: ...19 6 Wiring Diagrams 6 1 Wiring Diagrams This Document can not be used without Samsung s authorization 0 90A 10W15 ...

Page 20: ...ion ORG WHT BLK R RED RED RED WHT BLU BLU WHT YEL WHT MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS FA F HIGH VOLTAGE TRANSFORMER DOOR SENSING SWITCH 27720 MONITOR SWITCH 17 5 BRN PRIMARY SWITCH 723 HIGH VOLTAGE CAPACITOR BRN RED ORG WHT SYMBOL COLOR BLU BLK RED ORANGE WHITE BLUE BLACK YEL YELLOW BRN BROWN ...

Page 21: ... 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 Power...

Page 22: ...rill 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 Grill T...

Page 23: ...unded Ground is not provided by an extended electric outlet If the oven is placed in a humid area buy an electric wire in a store selling electrical products Electric wires for home use are also allowed Ground the oven through the electric wire Buy an electric wire in a store selling electrical products Electric wires for home use are also allowed Ground the oven through the electric wire The oven...

Page 24: ...VVL HG 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 visiting check the model name printed on the lower right side of the front panel of the oven Number does not appear on the display screen It happens when the power saving function is activated Since the government recommends t...

Page 25: ...WORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com Samsung Electronics Co Ltd March 2013 Printed in Korea ...

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