Samsung M1736N Скачать руководство пользователя страница 30 | Manualshive

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4. Troubleshooting

Is Fuse OK?

*Inspection method

Power supply circuit check point

Relay control circuit check point

Oven does not operate.

Is the magnetron

temperature switch normal?

Is SMPS power supply

cirduit 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

4-3-14 If oven malfunction

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Содержание M1736N

Страница 1: ...r cover for the more information 1 Precaution 2 Product Specification 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Part List 6 PCB Diagrams 7 Wiring Diagrams 8 Schematic Diagrams BASIC M1736N MODEL MW73VR MODEL CODE MW73VR BWT ...

Страница 2: ...3 Replacement of Door Assembly 12 3 4 Replacement of Drive Motor 13 3 5 Replacement of Control Circuit Board 14 4 Troubleshooting 15 4 1 Error Code Numbering Rule 15 4 2 Error Code List 15 4 3 Electrical Malfunction 17 5 Exploded Views and Parts List 33 5 1 Exploded Views 33 5 2 Main Parts List 34 5 3 Door Parts List 35 5 4 Control Parts List 36 5 5 Standard Parts List 37 6 PCB Diagrams 38 6 1 PCB...

Страница 3: ... 1 Precaution ...

Страница 4: ...k 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 parts only i e only those that are s...

Страница 5: ...ained within specified limits by close tolerance safety related components and adjustments If the high voltage exceeds the specified limits check each 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 VOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to wor...

Страница 6: ...wer Source 230V 50Hz AC 230V 50Hz AC Power consumption Microwave 1300W 1150W Output Power 100W 800W IEC 705 100W 800W IEC 705 Operating Frequency 2450MHz 2450MHz Magnetron OM75S 31 OM75S 31 Cooling Method Cooling fan motor Cooling fan motor Dimensions W x H x D Outside 489 x 275 x 361mm 489 x 275 x 361mm Oven cavity 306 x 211 x 320mm 306 x 211 x 320mm Volume 20Liter 20Liter Weight Net 12 5Kg 12 5K...

Страница 7: ... 2 Specifications 2 3 Accessory Item Description Code No Q ty Coupler DE67 00140A 1 Assy Guide Roller DE97 00193B 1 Tray cooking DE74 00027A 1 ...

Страница 8: ... 1 Disconnect all lead wires from the magnetron and lamp 2 Remove a screw securing air cover 3 Remove the air cover 3 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 ...

Страница 9: ...plaination 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 3 1 Disassembly of Magnetron Motor Assembly and Lamp ...

Страница 10: ...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 3 2 Replacement of High Voltage Trancefomer Parts Explaination Photo Explaination High Voltage Transformer 1 Discharge the high voltage capacitor 2 Disconnect all the leads 3 1 Disassembly of Magnetron Motor...

Страница 11: ... and firmly 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 HIGHVOLTAGE TRANSFORMER secondary and filament terminals It is extremely dangerous to work on or near these circuits with the oven energized DO NOT measure the voltage in the high vo...

Страница 12: ...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 figure insert and bend a thin metal plate 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 ...

Страница 13: ...ve 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 fit tip coupler COVER FIXING SCREW MATCHINE SCREW 6006 001170 6 When reassemble a drive motor cover give a turn in a 180 and fix with a scr...

Страница 14: ...securing the control circuit board 3 Lift up the control circuit board from the Ass y control box 4 When reconnecting the FPC connector make sure that the holes on the connector are properly engaged with the hooks on the Plastic Fastener Removal of Window Display Membrane Panel Control Panel 1 Window display should not be disassembled as its mounting tabs will be broken If repair work is difficult...

Страница 15: ...Open Check Sensor part connection of sensor housing and PCB s connector 17 Page E 12 Short 18 Page E 13 T1 Max Time Error 19 Page E 14 Dry Up No Load Insert food and restart Temp Sensor Error Code Temp Sensor Error Case E 2X Solution Page E 21 Open Check sensor part and connection of sensor housing and PCB s connector 17 Page E 22 Short 18 Page E 23 T1 Max Time Error Preheating not completed Check...

Страница 16: ...ror 19 Page E 44 Dry Up Insert food and restart 19 Page E 45 Cooling Error 3minutes Remove moisture from sensor and restart 23 Page E 46 Primary Open Error 3minutes Check Sensor 17 Page E 47 The door opens during cooking Cancel the present mode and restart from the begining 22 Page Humidity Sensor Error Code Humidity Sensor Error Case E 6X Solution Page E 61 Open Check Sensor 17 Page E 62 Short 18...

Страница 17: ... the sensor wire connected properly Does the voltage change as the humidity temperature and weight change Replace the sensor Check if the sensor wire is damaged if the housing is loose and if the sensor and the wire are properly connected Check if the voltage of the GND and sensor changes using a digital multi meter by forcefully changing the humidity temperature and weight Connect the sensor Conn...

Страница 18: ...perature and weight Check if the sensor and related parts such as the connector or soldering parts are slightly shorted Remove the shorted part of the temperature sensor Remove any foreign Substance from the shorted part YES NO YES YES NO NO YES NO E 12 E 22 E 32 E 42 or E 62 is displayed Is the sensor shorted The sensor is out of order Replace the sensor Perform the operation again and check if i...

Страница 19: ... the sensor or is something acting as an obstacle in front of the sensor Does it heat with completely dried food Replace the sensor If the sensor is contaminated by a foreign substance it may fail to detect the humidity Since heating completely dried food may burn the food take care Insert food and heat it again Place food with moisture into it and heat it again Remove the an foreign substance or ...

Страница 20: ...n again and check if it is working properly S W Error Is a specific key not recognized Is the key recognized intermittently The membrane is defective Replace the Control Panel Is the key not recognized at all After Power On does the symptom continue Replace the PCB 4 3 4 Key Short Error ...

Страница 21: ...e weight sensor contaminated by any foreign substance Replace the sensor Check if the turntable turns abnormally because food is placed on one side only or if it turns irregularly or if it is slanted and the weight sensor is not pressed Place the turntable over the roller properly YES Remove the foreign substance Place the food in the center Has the turntable been placed over the roller properly 4...

Страница 22: ...nd if it is opened or shorted intermittently Close the door Check the Door S W and the housing Was the door open during the operation Perform the operation again and check if it is working properly S W Error Is the door sensing part normal After Power On does the symptom continue Replace the PCB 4 3 6 Weight Sensor Error ...

Страница 23: ...erminal is maintained over 3V continuously during the initial cooking course using a multi meter Remove any moisture of the sensor Check the sensor terminal and housing Replace the sensor YES NO YES NO YES NO YES NO E 45 is displayed Is the sensor wet S W Error Replace the PCB After Power On does the symptom continue Perform the operation again and check if it is working properly 4 3 7 Cooling Err...

Страница 24: ...M 단자가 Open Short 되었는가 YES NO NO EEPROM이 삽입 되었는가 S W 오동작 YES YES YES NO E 51 E 53 or E 54 is displayed Has the EEPROM been inserted Is the EEPROM terminal opened or is there a short circuit EEPROM Defect Replace the EEPROM Does it work properly Perform the operation again and check if it is working properly S W Error After Power On does the symptom continue Replace the PCB 4 3 8 EEPROM Error ...

Страница 25: ...S YES NO YES NO E 23 E 26 is displayed Is the heater temperature very low Is the temperature sensor connected properly Is the resistance between the heater terminals more then a few MΩ Check the heater related drive part Replace the heater Reconnect the temperature sensor properly Replace the heater Does the heater work S W Error After Power On does the symptom continue Replace the PCB Perform the...

Страница 26: ...l the current state Press the Cancel key to cancel the current state Is this happening during the MW operation Is it happening during the Grill operation Is it happening during the Convection operation Over Time is set Over Time is set Over Time is set Over Time is set Is it happening during the Combination operation Since the max time may differ depending on the model refer to the IB For example ...

Страница 27: ...r connectivity normal Is the temperature sensor connectivity normal Reconnect the temperature sensor properly Check and repair the heater drive part if necessary S W Error After Power On does the symptom continue Replace the PCB Perform the operation again and check if it is working properly 4 3 11 Internal Oven Temperature Abnormal Error ...

Страница 28: ...ck if it is working properly Is the oven in MW mode Is the internal temperature over 200 degrees Is the sensor connectivity normal An E 25 error occurred Press the Cancel key Connect it properly and try again After Power On does the symptom continue Press the Cancel key to cancel the current state 4 3 12 Swing Heater Detection Error ...

Страница 29: ...he oven in Bake Toast mode Has the switch heater operated for 20 seconds Has the micro switch been detected After waiting for 20 seconds check if the micro switch has been detected The micro switch is defective Replace it Connect the micro switch properly After Power On does the symptom continue Is connectivity housing of the micro switch normal 4 3 13 Swing Heater Detection Error ...

Страница 30: ...duit 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 4 3 14 If oven mal...

Страница 31: ...r to User Manual Menbrane type Tact type YES YES Buttons of the control panel do not work Inspection method Are button pressed in the correct order Is the connector of the control panel normal Replace PCB 4 3 15 If button malfunction ...

Страница 32: ...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 4 3 16 If food is not heated even though an oven works ...

Страница 33: ...xploded Views and Parts List 5 1 Exploded Views M001 M023 H018 M022 M015 M037 M035 M049 M099 M051 W002 M020 Z778 M036 M019 M017 M034 T017 T001 M039 M040 M041 M042 M038 B006 B001 B018 B002 B009 B001 M047 M048 ...

Страница 34: ...037 DE71 60457C COVER AIR 3RD 0 7 BTM PP FB53 G30 1 SA 1 1 T001 DE74 00027A TRAY COOKING GLASS T5 NC2000 1 SA 1 1 M048 DE80 00023A BASE PLATE SGCC T0 6 MW850WA NC2000 1 SA 1 1 M042 DE91 70061J ASSY H V FUSE THV060T 0650 H 5KV0 65A WL 1 SA 1 1 M017 DE96 00010C ASSY NOISE FILTER SN 3WED 12 250V12A EU 1 SA 1 2 M019 3601 001019 FUSE CARTRIDGE 250V 12A SLOW BLOW CERAMI 1 SA 1 1 M020 DE96 00031A ASSY MO...

Страница 35: ...OM F20 02 12G BLK MW7897 1 SA 1 2 D006 DE64 40008B DOOR C PP CE745G BLK 1 SA 1 2 D037 DE94 00253J ASSY DOOR A M1618 M1638 XEG XET PURE WHT 1 SA 1 3 D002 DE64 00091J DOOR A M1618 XEG XET ABS GE WHT 1 SA 1 3 D003 DE67 20186A SCREEN DOOR SAN T2 2 W354 L224 SMOG 3RD 1 SA 1 2 D015 DE94 00124B ASSY DOOR SUB MW4593G BLK 3RD 0 7 1 SA 1 3 D005 DE01 00112A FILM DOOR PET L268 T0 15 W150 NTR 1 SA 1 3 D004 DE9...

Страница 36: ...3G SWITCH MEMBRANE MW73VR BWT PET 230 1 SA 1 2 C070 DE61 00665A HOLDER LED ALL 0 8 PP BLACK LED BA 1 SA 1 2 C006 DE61 70076A SPRING BUTTON HSWR PI0 6 PI0 6 1 SA 1 2 C007 DE66 20275B BUTTON PUSH JES831WB 1 SA 1 2 C009 DE67 40179A WINDOW DISPLAY SAN T2 0 SMOG 3RD W 1 SA 1 2 C005 DE72 70201J CONTROL PANEL JE735WZC ABS VE0855 1 SA 1 2 C003 RCS SM3L 96 ASSY PCB PARTS MW73VR BWT SMPS 230V 50HZ 1 SA C082...

Страница 37: ...H M4 L10 ZPC YEL 3 SA PCB EARTH P C EARTH NOISE FILTER EARTH 1 1 6006 001176 SCREW ASSY TAPT WT PH M4 L8 ZPC YEL 1 SNA BKT HVC DIODE 1 1 DE60 10051A SCREW TAP PH MSWR PH M4 L6 1 SA DRIVE MOTOR 1 1 DE60 10080A SCREW WASHER M5 L12 2S 2 SA HVT MGT 1 1 DE60 10082I SCREW A 2S 4X10 FEFZY 7 SA C BLOWER B PLATE B LATCH AIR COVER PANEL 1 1 DE60 30016A NUT FLANGE M4 MSWR10 1 SA F MOTOR 1 2 6002 000630 SCREW...

Страница 38: ... T T control Relay 6 CN01 A Terminal for Connecting with LVT A Terminal for Connecting with LVT and SMPS Power Supply 7 CN02 A Terminal for Connecting with Relay A Terminal for Connecting with Relay and SMPS Power Supply 8 CN03 A Terminal for Connecting with Connector A Terminal for Connecting with Connector and SMPS Power Supply 9 CN04 A Terminal for Connecting with T T LAMP A Terminal for Connec...

Страница 39: ...K GRN BRN Y G BLU L N POWER CORD 230V 50Hz BLK BLU MONITOR FUSE 250V 1 6A BLU ASSY PCB BORD BLK ORG GRN GROUND ORG DOOR SENSING SWITCH INRUSH RELAY POWER RELAY SECONDARY INTERLOCK MAIN RELAY 2200pF 0 1uF 1mH 2200pF 250V12A FUSE 500K P T C P T C YEL 21V 0V BRN BRN BROWN RED RED BLU BLUE YEL YELLOW Y G YELLOW GREEN ORG ORANGE WHT WHITE BLK BLACK GRN GREEN SYMBOL COLOR NOTE 1 INPUT 230V 2 DOOR OPEN 3...

Страница 40: ...iagrams 7 1 Wiring Diagrams This Document can not be used without Samsung s authorization RED RED BRN BLU FA F HIGH VOLTAGE TRANSFORMER H V FUSE HIGH VOLTAGE CAPACITOR HIGH VOLTAGE DIODE TO CHASSIS MAGNETRON RED RED ...

Страница 41: ... 2 N 2 4 2 2 2 4 2 6 4 9 2 2 2 U 2 2 N 2 2 U 2 6 U 2 4 4 2 N 4 0 2 2 N U 0 N 2 U 3 4 8 Z N 2 3 7 6 2 6 2 3 3 3 3 0 0 U 2 2 P 6 04 3 7 6 2 4 3 6 2 M 2 P 6 6 6 2 2 2 4 G C L C U 30 6 A B C D E F 3 N 4 2 2 4 6 4 6 9 2 5 N 3 7 6 7 4 0 0 N 2 2 6 2 4 2 2 2 6 2 N 2 6 2 N 4 2 2 4 6 2 2 4 4 2 2 4 2 6 7 3 9 2 2 0 5 6 U 2 6 6 6 N 2 0 4 3 2 4 3 4 F E R 6 6 3 3 6 8 4 5 8 0 5 0 0 4 2 4 4 2 N 2 4 2 2 2 3 3 3 3 3...

Страница 42: ...sungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com Samsung Electronics Co Ltd June 2007 Printed in Korea Code No DE68 04508A ...

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