Samsung CE2974 Service Manual

MICROWAVE OVENCE2974R (WHITE)SERVICE ManualMICROWAVE OVEN CONTENTS1. Precaution2. Specifications3. Operating Instructions4. Disassembly and Reassembly

Samsung Electronics5. Alignment and Adjustments5-1 High Voltage Transformer5-2 Low Voltage Transformer5-3 Magnetron5-11. Remove connectors from the tr

Samsung Electronics5-4 High Voltage Capacitor5-5 High Voltage Diode5-6 Main Relay and Power Control Relay5-7 Adjustment of Primary Switch, Door Sensin

Samsung Electronics 5-3The output power of the magnetron can be measured by performing a water temperature rise test.Equipment needed :* Two 1-liter c

Samsung Electronics1) Pour 275±15cc of 20±5ûC(68±9ûF) water in a beakerwhich is graduated to 600cc, and place the beaker inthe center of the oven.2)

Samsung Electronics6. Troubleshooting6-1PRECAUTION1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE.2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT.3. DISCHARG

Samsung Electronics6-2TroubleshootingSYMPTOM CAUSE CORRECTIONSOven lamp and fan motor turn on 1. Misadjustment or loose wiring Adjust door and latch

Samsung Electronics7. Exploded Views and Parts List7-1 Exploded Views7-1M1M2M21M22M23M24M25M26M36M37M38M39M15M14M16M18M19M41M20M3M4M5M6M7M8M9M10M12M13

7-2 Main Parts List7-2 Samsung ElectronicsExploded Views and Parts ListRef. No. Parts No. Description Specification Q'ty RemarksM 1 DE70-30001A P

Samsung Electronics 7-3Ref. No. Parts No. Description Specification Q'ty RemarksD 1 DE64-20112D HANDLE-DOOR ABS(HR0370U),30G,WHT,-,M959 1D 2 DE0

7-4 Samsung ElectronicsExploded Views and Parts ListRef. No. Parts No. Description Specification Q'ty RemarksB 1 DE66-40021A LATCH-BODY POM(F20-

1. Precaution1-1 Safety precautions ( )Samsung Electronics 1-11. All repairs should be done in accordancewith the procedures described in thism

8-1Samsung Electronics8. P.C.B Diagrams8-1 P.C.B Diagrams

No. Parts No. Description Specification Q'ty RemarksP 1 0506-000180 TR-ARRAY 2003,NPN,7,1W,DIP-16,ST,1000 1 IC04P 2 0703-001077 LED DISPLAY GRN,

8-2Samsung Electronics9. Schematic Diagrams9-1 Schematic DiagramsWARNINGNOTE: CIRCUIT SHOWN WITH DOOR IS OPENED POSITION.NOTE: FOR SERVICE REPLACEMENT

17. When checking the continuity of the witchesor transformer, always make sure that thepower is OFF, and one of the lead wires isdisconnected. 18. C

2. Specifications2-1 Table of SpecificationsSamsung Electronics 2-1TIMER 99 MINUTESPOWER SOURCE 230V 50Hz, ACPOWER CONSUMPTION MICROWAVE : 1,500WGRILL

Auto Defrost Feature SelectionTurntable on/offClock SettingStart Button/Dial Knob(cook time, weight and serving dishes)Power Level SettingAuto Reheat

4. Disassembly and Reassembly4-1 Replacement of Magnetron, Motor Assembly and LampSamsung Electronics 4-1Remove the magnetron including the shield cas

4-3 Replacement of Door Assembly4-2 Samsung ElectronicsDisassembly and ReassemblyUpper HingeLower HingeScrewsDoor "E"Key DoorSpringScrew4-3-

4-3-5 Reassembly TestSamsung Electronics 4-31. Disconnect the oven from the power source.2. When 15A fuse blows out by the operation of interlock moni

4-6 Replacement of Control Circuit Board4-6-1 Removal of Ass'y Control Box4-4 Samsung Electronics1. Be sure to ground any static electric charge