1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Microwave Oven
  5. M187ASTR
  6. Service manual

Samsung M187ASTR Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Refer to the service manual in the GSPN(see rear cover) for the more information.
BASIC:
M187ASTR
MODEL:
M187ASTR
MODEL CODE: M187ASTR/SBW
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

Advertisement

Table of Contents
loading

Related Manuals for Samsung M187ASTR

Summary of Contents for Samsung M187ASTR

  • Page 1 BASIC: M187ASTR MODEL: M187ASTR MODEL CODE: M187ASTR/SBW 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 Refer to the service manual in the GSPN(see rear cover) for the more information.

  • Page 2: Table Of Contents

    • Contents 1. Precaution ................3 1-1 Safety precautions .

  • Page 3: Precaution

    1. Precaution...

  • Page 4: Safety Precautions

    1. Precaution Follow these special safety precautions . Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents . 1-1 Safety precautions ( All repairs should be done in accordance with the 13.

  • Page 5: Special High Voltage Precautions

    1. Precaution 1- Special High Voltage Precautions High Voltage Warning Do not attempt to measure any of H . V . Capacitor the high voltages --this includes the filament voltage of the magnetron . High voltage is present during any cook cycle . Before touching any components or wiring, always unplug the oven and discharge the high voltage capacitor (See Figure 1-1)

  • Page 6: Specifications

    2. Specifications -1 Features Features - 23L Compact MWO . - Handle Design . 2-2 Table of Specifications Model Items Model Basic Model New Model Name M187ASTR/BWT M187ASTR/SBW Power source 230V 50Hz 230V 50Hz Power consumption Microwave 1250W 1250W Output power 100W / 850W...

  • Page 7: Accessory

    2. Specifications -3 Accessory Item Description Code No. Q’ty Coupler DE67-00140A Assy-Guide Roller DE97-00193B Tray-cooking DE74-20102D Assy-Steam Bowl DE96-00168A...

  • Page 8: Disassembly And Reassembly

    3. Disassembly and Reassembly 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) Parts Explaination Photo Explaination Disconnect all lead wires from the magnetron and lamp .
  • Page 9 3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination 4. Remove screws securing the magnetron to the wave guide . Magnetron, Take out the magnetron very Motor Assembly carefully . and Lamp Remove two screws from the back panel .

  • Page 10: Replacement Of High Voltage Trancefomer

    3. Disassembly and Reassembly 3-1 Disassembly of Magnetron, Motor Assembly and Lamp Parts Explaination Photo Explaination Magnetron, Remove the oven lamp from Motor Assembly hole of air cover . and Lamp NOTE1: When removing the magnetron, make sure that its antenna does not hit any adjacent parts, or it may be damaged .
  • Page 11 3. Disassembly and Reassembly 3- Replacement of High Voltage Trancefomer Parts Explaination Photo Explaination 3. Remove the mounting bolts . High Voltage Transformer Replace the High Voltage Transformer 5. After replace, reconnect the leads correctly 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.

  • Page 12: Replacement Of Door Assembly

    3. Disassembly and Reassembly 4-3 Replacement of Door Assembly Parts Disassembly Photo Explaination Door Cap Insert flat screwdriver into the gap Removal of between Door “A” and Door Cap to Door Cap remove Door Cap . Removal Insert flat screwdriver into gap between of Door “C”...

  • Page 13: Replacement Of Drive Motor

    3. Disassembly and Reassembly 3-4 Replacement of Drive Motor Parts Explaination Photo Explaination Take out the glass tray, guide roller from oven cavity, disconnect power . Remove turn table motor cover from case bottom . CAUTION : Remove sharp edge after cover removal .

  • Page 14: Replacement Of Control Circuit Board

    3. Disassembly and Reassembly 3-5 Replacement of Control Circuit Board Parts Explaination Photo Explaination Be sure to ground any static electric charge in your body and never touch the control circuit . Removal of . Disconnect the connectors from the Control Box control circuit board .

  • Page 15: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Error Code Numbering Rule 1. ERROR CODE NUMBERING RULE is applied to a microwave oven and an oven .(CMO, OTR, Grill, Convection, Commercial etc .) . All sensors and devices have their own number . ex) Gas Sensor = 1, Temp . Sensor = 2, . . . 3.
  • Page 16 4. Troubleshooting Weight Sensor Error Gas Sensor Error Case (E-1X) Solution Page Code E-31 Open (When value of HEX is above “FF” for 5 seconds) 19 Page E-32 Short 20 Page In case the initial value of HEX is under “14” for 30 E-33 seconds while a weight sensor in operation .

  • Page 17: Electrical Malfunction

    4. Troubleshooting 4-3 Electrical Malfunction 4-3-1 Sensor Open Error “E-11, E-21, E-27, E-29, E-31, E-32, E-41, E-46, E-61, or E-62” is displayed. Connect the sensor. Is the sensor disconnected? : Check if the sensor housing is inserted into the connector of the main PCB.
  • Page 18 4. Troubleshooting 4-3- Sensor Short Error “E-12, E-22, E-28, E-32, E2A, E-42, or E-62” is displayed. Remove the shorted part : Check if both terminals of the Is the sensor shorted? of the temperature sensor. sensor are slightly shorted. Is the sensor terminal part Remove any foreign : Check if the sensor and related of the PCB shorted?
  • Page 19 4. Troubleshooting 4-3-3 Sensor Max Time Error “E-13, E-14, E-43, E-44, E-63,” is displayed.. Does it heat up without Insert food : Since heating without placing food into placing food into it? and heat it again. the oven may damage the product, take care. Does it heat with completely Place food with : Since heating completely dried food...
  • Page 20 4. Troubleshooting 4-3-4 Key Short Error “- SE -” is displayed. Is the key not recognized at all? Is the key recognized intermittently? Is a specific key not recognized? The membrane is defective. S/W Error Replace the Control Panel. After Power > On, does the symptom continue? Replace the PCB.
  • Page 21 4. Troubleshooting 4-3-5 Weight Sensor Error “E-33, E-34 or E-35” is displayed. Has the turntable been placed over the roller properly? Place the turntable over the roller properly. Is the weight sensor Remove the foreign contaminated by any foreign substance. substance? Does the roller turn Place the food...
  • Page 22 4. Troubleshooting 4-3-6 Weight Sensor Error “E-36 or E-47” is displayed. Was the door open during Close the door. the operation? Check the Door S/W : Check the housing connected to Is the door sensing part normal? and the housing. the door S/W and PCB and if it is opened or shorted intermittently.
  • Page 23 4. Troubleshooting 4-3-7 Cooling Error “E-45” is displayed. Remove any moisture : To remove moisture from the sensor, Is the sensor wet? of the sensor. open the door for 5 minutes. Check the sensor Is the sensor voltage over 3V? : Check if the GND and sensor terminal terminal and housing.
  • Page 24 4. Troubleshooting 4-3-8 EEPROM Error “E-51, E-53, or E-54” is displayed. Insert and solder : An R4LCO40 or 24LCO4 EEPROM EEPROM이 삽입 되었는가? Has the EEPROM been inserted? an EEPROM is to be used. Check if a proper EEPROM has been installed. Replace the Is the EEPROM terminal opened or EEPROM 단자가...
  • Page 25 4. Troubleshooting 4-3-9 Divider Missing Error “dE” is displayed. Is the Cooking Mode Twing? Single Mode? Is the Divider detection Is it Upper, Replace S/W S/W out of order? Lower Mode? Is divider inserted? Is divider inserted? Is the Divider detection S/W Connect correctly wire.
  • Page 26 4. Troubleshooting 4-3-10 Over Time Error “S-01” is displayed. Is it temperature 100°C in oven? Has it worked for 6 hours continuously? Is it temperature 105°C~240°C in oven? Re-check the Cut-Off-Time Has it worked for for the corresponding 8 hours continuously? internal temperature.
  • Page 27 4. Troubleshooting 4-3-11 Over Time Error “ E-0b, E-2b, E-2C, Ot” is displayed. Is the temperature An “E-2b” error sensor of the PCB open? occurred. Insert the Was there a short- temperature sensor. circuit in the temperature An “E-2C” error occurred. sensor of the PCB? Repair the short circuit.
  • Page 28 4. Troubleshooting 4-3-1 Preheating Error “ E-08, E-23, E-26” is displayed. Check the heater : Check the voltages of Does the heater work? related drive part. both heater terminals. Replace the Is the heater temperature : After operating the heater for more then heater.
  • Page 29 4. Troubleshooting 4-3-13 Cooking Time Over Selection Error “E-02, E-03, E-04, or E-05” is displayed. Is this happening during the MW operation? Is it happening during the Grill operation? Over Time is Over Time is set? set? Is it happening during the Convection operation? An “E-03”...
  • Page 30 4. Troubleshooting 4-3-14 Internal Oven Temperature Abnormal Error “ E-0A, E-09, E-24” error code is displayed. “E-09, E-24, E-0A” 가 표시된다 Is the oven internal temperature An “E-09” error maintained over 320 degrees? occurred. Has the oven internal temperature An “E-24, E-0A” error reached over 350 degrees? occurred.
  • Page 31 4. Troubleshooting 4-3-15 Swing Heater Detection Error An “E-25” error occurred. Is the oven in MW mode? An “E-25” error Is the internal temperature occurred. over 200 degrees? Press the Cancel key. Press the Cancel key to cancel the current state. Connect it Is the sensor connectivity properly...
  • Page 32 4. Troubleshooting 4-3-16 Swing Heater Detection Error An “E-06” error code is displayed. Is the oven in Bake Toast mode? After waiting for 20 seconds, Has the switch heater check if the micro-switch has operated for 20 seconds? been detected. The micro-switch is Has the micro-switch defective Replace it.
  • Page 33 4. Troubleshooting 4-3-17 If oven malfunction *Inspection method Oven does not operate. Is Primary interlock Is Fuse OK? switch normal? Is Power Relay normal? Is the magnetron Replace switch temperature switch normal? Power supply circuit check point Do check power supply Is SMPS power supply cirduit normal? circuit...
  • Page 34 4. Troubleshooting 4-3-18 If button malfunction Buttons of the control panel do not work. *Inspection method Are button pressed Refer to User Manual in the correct order? Tact type Is the connector of the control panel normal? Replace PCB. Menbrane type...
  • Page 35 4. Troubleshooting 4-3-19 If food is not heated even though an oven works *Inspection method Food is not heated even though an oven works. Is the latch switch Method to control latch switch operating normally? Checking high voltage circuits...

  • Page 36: Exploded Views And Parts List

    5. Exploded Views and Parts List 5-1 Exploded Views M001 T023 Z778 M019 M204 M015 M017 D026 M022 X018 X104 T070 M023 X105 M020 H018 W002 T001 M051 T017 B018 M034 B006 M049 B001 M038 B024 B002 M036 B011 B010 M048 M039 M035...

  • Page 37: Main Parts List

    5. Exploded Views and Parts List 5- Main Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty Remark M036 4713-001046 LAMP-INCANDESCENT 240V,104mA,25W,ORG,-,- M038 DE26-00095A TRANS H .V SHV-EURO4,230V,50HZ,2320V,3 .7V M049 DE31-10154A MOTOR SYNCHRONOUS M2HJ49ZR02,ST-16,50/60 W002 DE39-00147C WIRE HARNESS-A M1733N,-,-,-,-,-,-,-,-,-, Z778...

  • Page 38: Door Parts List

    DE64-01154A BUTTON-SELECT(C) M187ST/CE287ST,ABS(HG07 C041 DE64-01155A BUTTON-CANCEL M187ST/CE287ST,ABS(HG0760S C029 DE64-01157A KNOB-DIAL M187ST/CE287ST,ABS(HG0760S),-, C001 DE94-01105C ASSY CONTROL-PANEL 230V49HZ,M187ASTR/BWT C133 DE64-01147C CHASSIS-PANEL M187ASTR/BWT,STS430,T0 .5,- C005 DE64-01150A CONTROL-PANEL M187ST/CE287ST,ABS(HG0760S C009 DE64-01151A WINDOW-DISPLAY M187ST/CE287ST,SAN(CR5381 C084 DE96-00377A ASSY-KEY MODULE DKM-187AST,KEY-MODULE C019 DE64-01156C BUTTON-START M187ASTR/CE287ASTR,ABS(HG07 C003 RCA-K2LED1-82...

  • Page 39: Control Parts List

    5. Exploded Views and Parts List 5-4 Control Parts List D046 D005 D004 D006 D003 D002 D015 D015 D068 D007 D019 D011 D049 (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty SA/SNA Remark D049 DE94-01102A ASSY DOOR M187AST/XEC,NATURAL STS A,EURO D007 DE61-00198A...

  • Page 40: Standard Parts List

    5. Exploded Views and Parts List 5-5 Standard Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty Remark 6002-001321 SCREW-TAPPING PWH,+,2S,M5,L10,ZPC(YEL) MGT,HVT 6006-001170 SCREW-TAPPING TH,+,WT,TC,M4,L10,ZPC(WHT) PCB EARTH,P/C EARTH,O/PANEL,N/F EARTH 6006-001174 SCREW-ASSY TAPP WE,TH,+,M4,L12,ZPC(YEL) C/BLOWER,C/BOX,O/PANEL,B/LATCH,B- PLATE,A 6006-001176 SCREW-ASSY TAPT WT,PH,+,M4,L8,ZPC(YEL) D/MOTOR...

  • Page 41: Pcb Diagrams

    6. PCB Diagrams 6-1 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 42: Wiring Diagrams

    7. Wiring Diagrams 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)
  • Page 43 7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 44: Schematic Diagrams

    8. Schematic Diagrams 8. Schematic Diagrams 8-1 Schematic Diagrams (This Document can not be used without Samsung’s authorization) CN05 CN01 SMW250-05AV_RED SMW250-07AV_RED SMW250-03AV SMW250-03AV (RED) (RED) SMW250-05AV (RED) BZ01 CBE2220BA OJ01 PTC2 270M OJ07 ZNR1 10D471 OJ03 OJ02 CN02 SMW250-03V_WHT...
  • Page 45 .samsungportal .com cis .samsungportal .com Europe europe .samsungportal .com China china .samsungportal .com Asia asia .samsungportal .com Mideast & Africa mea .samsungportal .com © Samsung Electronics Co ., Ltd . April . 2007 Printed in Korea Code No . : DE68-04433A...

This manual is also suitable for:

M187astr/sbw

Table of Contents