Samsung CM1049 Service Manual Download | Manualshive

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8. P.C.B Diagrams

8-1 P.C.B Diagrams

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Summary of Contents for CM1049

Page 1: ...TS DIAGRAM FOR First Choice Group Blakeney Way Kingswood Lakeside Cannock Staffs WS11 8LD TEL 01543 577778 FAX 01543504141 Email enquires firstchoice cs co uk Web www firstchoice cs co uk Microwave Ov...

Page 2: ...CONTENTS MICROWAVE OVEN 1 Precaution 2 Specifications 3 Operating Instructions 4 Disassembly and Reassembly 5 Alignment and Adjustments 6 Trouble 7 Exploded Views and Parts List 8 PCB Diagrams 9 Schem...

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: ...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...

Page 5: ...e 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 voltag...

Page 6: ...IMER POWER SOURCE POWER CONSUMPTION OUTPUT POWER OPERATING FREQUENCY MAGNETRON COOLING METHOD OUTSIDE DIMENSIONS 30 MINUTES 230V 50Hz AC MICROWAVE 1 450W 1000W IEC 705 TEST PROCEDURE 2 450MHz OM75PH 3...

Page 7: ...3 Operating Instructions 3 1 Control Panel 3 2 Features External Views Handle Door Ventilation Holes Door Latches Assy tray ceramic Light Safety Interlock Holes Display Control Panel 517mm 412mm 297mm...

Page 8: ...t 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 4 2 Replacement of...

Page 9: ...remove Door C Be careful when handling Door C because it is fragile 4 3 3 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...

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: ...y 4 Remove the screw securing the ground tail of the keyboard 4 6 2 Remonal of Ass y P C B 1 Pull the lever end of the plastic fastener and remove the Flexible Printed Circuit FPC of membrane panel 2...

Page 12: ...agnetron 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 an...

Page 13: ...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 la...

Page 14: ...on 4 When heating is finished stir the water again with the thermometer and measure the temperature T2 5 Subtract T1 from T2 This will give you the water temperature rise T 6 The output power is obtai...

Page 15: ...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 arnear the opening of magnetron the surface of the air guide and...

Page 16: ...ure 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 circ...

Page 17: ...in 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 Turnt...

Page 18: ...Exploded Views MD05 MM01 MM22 MM16 MM28 MM52 MM14 MM09 MM30 MM31 MM32 MM27 MM07 MM03 MM05 MM55 MM06 MM17 MD07 MD06 MD04 MD08 MD09 MD10 MD01 MM08 MB01 MM10 MM29 MB05 MB03 MB03 MB02 MB04 NC NO CO M MD11...

Page 19: ...N OM75P 1 MM09 DE71 60016A COVER AIR PP 2 WHT M945 M245 1 MM10 4713 001046 LAMP INCANDESCENT 240V 104mA 25W ORG 25x62mm 1 MM14 DE26 00051A TRANS H V SHV E1049A 230V 50Hz 2255V 3 50V 1 MM16 DE71 00163A...

Page 20: ...370D D GRY G3328 1 S N A MD03 SCREEN DOOR B CM1049 TEMP GLASS T3 2 W222 6 L343 6 1 S N A MD04 DE92 50127H ASSY DOOR E COATING BLACK T0 8 1 MD05 DE02 00002B FILM DOOR PC TO 15 275 175 MW5574W 1 MD06 DE...

Page 21: ...0080B SCREW WASHER PH PI5 L10 SWRCH18A ZP2 2S 4 TNS HV DE60 10082H SCREW A 2S 4X12 TOOTHED 3 B PLTE DE60 10082H SCREW A 2S 4X12 TOOTHED 2 BD LAT DE60 10082H SCREW A 2S 4X12 TOOTHED 2 CN BOX DE60 10082...

Page 22: ...8 P C B Diagrams 8 1 P C B Diagrams...

Page 23: ...0W DA TP 2012 5 R11 13 14 32 33 2007 000468 R CHIP 1KOHM 5 1 10W DA TP 2012 3 R09 10 22 2007 000671 R CHIP 2KOHM 5 1 10W DA TP 2012 4 R06 07 08 15 2007 000710 R CHIP 3 9KOHM 5 1 10W DA TP 2012 5 R17 2...

Page 24: ...K BLK BLU BLU ORG ORG YEL WHT MAGNETRON HIGH VOLTAGE DIODE TO CHASSIS FA F HIGH VOLTAGE TRANSFORMER POWER RELAY DOOR SENSING SWITCH BOTTOM MONITOR SWITCH CENTER BRN PRIMARY SWITCH TOP HIGH VOLTAGE CAP...

Page 25: ...Samsung Electronics Co Ltd January 2001 Printed in Korea Code No DE68 01667A ELECTRONICS...

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