Instruction/ maintenance manual of the product CE745GR Samsung
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MICROW A VE OVEN CE745GR SERVICE Manual MICROWA VE 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. PCB Diagrams 9.
Samsung Electronics (a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other mi.
1. Precaution 1-1 Safety precautions ( ) Samsung Electronics 1-1 1. All repairs should be done in accordance with the procedures described in this manual. This product complies with Federal Performance Standard 21 CFR Subchapter J (DHHS). 2. Pacemaker wearers must consult a physician before attempting to service an MWO.
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 .
2. Specifications 2-1 T able of Specifications Samsung Electronics 2-1 MODEL CE745GR ITEM TIMER 99 MINUTES 90 SECONDS POWER SOURCE 230V/50HZ, AC POWER CONSUMPTION MICROWAVE : 1,400W,GRILL : 1100W OUTP.
CE745GR lbs . kg oz. g 1min+ h 10min min 1min 1-2-3 A uto Auto 10s . Auto Defrost Butten Kg,g Button Power Level Selection Button Memory Button Hold/Timer Button Stop Button Start/Boost Button Timer Setting Button Grill Button Combi Button Clock Setting Button More/Less Button Auto Cook Button Instant Cook Button 3.
4. Disassembly and Reassembly 4-1 Replacement of Magnetron, Motor Assembly and Lamp Samsung Electronics 4-1 Remove the magnetron including the shield case, permanent magnet, choke coils and 500pF capacitors (all of which are contained in one assembly).
4-3 Replacement of Door Assembly 4-3-1 Removal of Door Assembly 4-2 Samsung Electronics Remove screws securing the upper hinge and lower hinge. Then remove the door assembly. Insert flat screwdriver into the gap between Door "A" and Door "C" to remove Door "C".
4-3-4 Removal of Key Door & Spring Samsung Electronics 4-3 1. Remove pin hinge from Door "E" Detach spring from Door "E" and key door.
4-6 Replacement of Control Circuit Board 4-6-1 Removal of Control Box Assembly 4-4 Samsung Electronics 1. Be sure to ground any static electric charge in your body and never touch the control circuit. 2. Disconnect the connectors from the control circuit board.
Samsung Electronics 5. Alignment and Adjustments 5-1 High V oltage T ransformer 5-2 Low V oltage T ransformer 5-3 Magnetron 5-1 1. Remove connectors from the transformer terminals and check continuity. 2. Normal resistance readings are as follows: (Room temperature = 20ûC) 1.
Samsung Electronics 5-4 High V oltage Capacitor 5-5 High V oltage Diode 5-6 Main Relay and Power Control Relay 5-7 Adjustment of Primary Switch, Door Sensing Switch and Monitor Switch 5-2 1. Check continuity of the capacitor with the meter set at the highest resistance scale.
Samsung Electronics 5-3 7. Normal temperature rise for this model is 9ûC to 11ûC 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 rise is marginal.
Samsung Electronics 5-4 Alignment and Adjustments The microwave heat distribution can be checked indirectly by measuring the water temperature rise at certain positions in the oven: 1. Prepare five beakers made of 'Pyrex', having 100 milliliters capacity each.
Samsung Electronics 6. T roubleshooting 6-1 PRECAUTION 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON.
Samsung Electronics 6-2 Troubleshooting SYMPTOM CAUSE CORRECTIONS Oven lamp and fan motor turn on 1. Misadjustment or loose wiring Adjust door and latch switches. of primary latch switch 2. Defective primary latch switch Oven can program but timer 1. Open or loose wiring of secondary Adjust door and interlock switches.
Samsung Electronics 7. Exploded V iews and Parts List 7-1 Exploded V iews 7-1 M1 M6 M30 M32 M38 C1 C2 C3 C4 C5 C6 M37 D1 D2 D3 D5 D6 M33 M34 M22 M26 M24 M25 M27 M28 M29 M3 M7 M8 M9 M10 M11 M4 M2 M14 M.
7-2 Main Parts List 7-2 Samsung Electronics Exploded Views and Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks OLD PARTS NO. M 1 DE70-30032X PANEL-OUTER;T0.6 W351.2 L1010 WHT-COATIN 1 M 2 DE63-90150A CUSHION-RUBBER;DFA20 T2 W100 L140 BLK 1 M 3 DE61-50323A BRACKET-UPPER;ALSTAR T0.
Samsung Electronics 7-3 7-3 Door Parts List Ref. No. Parts No. Description/Specification Q'ty Remarks Old Parts No. D 1 DE64-40007A DOOR-A;ABS(VH-080) T3.0 WHT 1 D 2 DE64-40006A DOOR-KEY;POM(TC3005) T2.0 12GR BLK CE9 1 D 3 DE61-70033A SPRING-KEY;ES HSWR10 PI0.
Parts No. Description / Specification Q'ty Remarks Old Parts No. DE60-10012A SCREW-TAP TITE;TH + 3 M4 L10 SWR10 ZPC2 1 NO-FIL 70504-0002-00 DE60-10012A SCREW-TAP TITE;TH + 3 M4 L10 SWR10 ZPC2 1 P.
8. P .C.B Diagrams 8-1 P .C.B Diagrams Samsung Electronics 8-1.
8-2 Samsung Electronics Parts No. Description / Specification Q'ty Remarks 0401-001002 DIODE-SWITCHING;1N4148M,100V,200mA,500mW 16 D5~20 0402-000559 DIODE-RECTIFIER;D4G,400V,1A,T-1 3 D01,2,4 0501.
9. Schematic Diagrams 9-1 Schematic Diagrams 9-1 FM L BRN BRN ASSY CHOKE P.C.B MGT TCO BLK BLK FUSE BLU BLU BLU WHT WHT BLK PRIMARYS/W DOOR SENSING S/W FA F MAGNETRON NO COM NO COM NO NC BLK WHT BLK ORG ORG BLK BLK BLK BLK BLU COM MAIN RELAY POWER RELAY INRUSH RELAY GRILL RELAY DM HEATER L.
An important point after buying a device Samsung CE745GR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Samsung CE745GR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Samsung CE745GR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Samsung CE745GR you will learn all the available features of the product, as well as information on its operation. The information that you get Samsung CE745GR will certainly help you make a decision on the purchase.
If you already are a holder of Samsung CE745GR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Samsung CE745GR.
However, one of the most important roles played by the user manual is to help in solving problems with Samsung CE745GR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Samsung CE745GR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
