Samsung SMH8165W Service Manual Download Page 1

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Refer to the service manual in the GSPN(see rear 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:

SMH6165STG

MODEL:

SMH8165W

MODEL CODE: SMH8165W/XAA

Version: 00,01

Summary of Contents for SMH8165W

Page 1: ... 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 SMH6165STG MODEL SMH8165W MODEL CODE SMH8165W XAA Version 00 01 ...

Page 2: ...of Control Circuit Board 16 3 9 Replacement of Cooktop lamp 17 3 10 Replacement of Oven Light 18 4 Troubleshooting 19 4 1 Error Code Numbering Rule 19 4 2 Error Code List 19 4 3 Electrical Malfunction 20 4 4 Electrical Malfunction 24 5 Exploded Views and Parts List 27 5 1 Exploded Views 00 01Version 27 5 2 Version List 00 01Version 29 5 3 Main Parts List 00 01Version 30 5 4 Door Parts List 00 01Ve...

Page 3: ... 1 Precaution ...

Page 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...

Page 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...

Page 6: ...one touch cooking and reheating Venting System Two speed 300CFM venting system Quickly removes smokr and steam from cook top 2 2 Accessory Item Description Code No Q ty GLASS TRAY DE74 20016A 1 ROLLER GUIDE RING DE92 90495A 1 EXHAUST ADAPTOR DE92 90242D 1 HARDWARE KIT DE92 90505E 1 GREASE FILTER DE63 00196B 1 CHARCOAL FILTER DE63 00367A 1 RACK WIRE DE75 00032A 1 ...

Page 7: ...ight Option Kg Lb Kg Reminder End Signal On Off Yes No Child Safety Lock Yes No Clock System Option 12 hrs 24 hrs 12 hrs 12 hrs Demonstration Mode Yes No Numeric Pads 0 9 0 9 Turntable Distribution Stirrer Turntable Stirrer Turntable Turntable On Off No No End Signal Sound Yes Yes Vent Fan CFM 300 300 Vent Orientation Vertical Vertical Vent Fan Control Hi Lo Off Hi Lo Off Cooktop Lighting Hi Lo Of...

Page 8: ...2 PEOPLE REQUIRED Oven is hooked on metal tabs at bottom of wall mounting plate and to cabinet by 3 top cabinet bolts 3 1 Replacement of High Voltage Transformer Parts Explaination Photo Explaination Grille 1 Disconnect oven power 2 Remove Grille 1 Remove 2 screws 2 Slide the Grille to the left then pull it straght out Panel Outer 3 Remove Panel Outer ...

Page 9: ...1 Replacement of High Voltage Transformer Parts Explaination Photo Explaination High voltage capacitor 4 Discharge the High voltage capacitor 5 Disconnect all the leads Base Bottom 6 Remove Base bottom HV Trans 7 Take out the HV Trans ...

Page 10: ...magnetron 2 Remove nuts 4 securing the magnetron to the wave guide 3 Take out the magnetron very carefully NOTE1 When removing the magnetron make sure that it antenna does not hit any adjacentparts 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 PRECAUTION During replacement be cer...

Page 11: ... the gap between Door A and Door C to remove Door C Be careful when handling Door C because it is fragile Then remove the door assembly Removal of Door C 2 Insert flat screwdriver into the gap between Door A and Door C to remove Door C Becareful when handling Door C because it is fragile Removal of Key Door Spring 3 Detach the spring and key door from Door ...

Page 12: ...or A Removal of Door E 5 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 PRECAUTION PERFORM MICROWAVE LEAKAGE TEST 3 3 Replacement of Door Assembly ...

Page 13: ... and power relay 4 When the above four switches operate properly check if any other part such as the control circuit board blower motor or high voltage transformer is defective 3 5 Replacement of Drive Motor Parts Explaination Photo Explaination Drive Motor 1 Disconnect power and remove bottom plate screws 5 2 Remove bottom plate and disconnect the turntable motor drive 3 Remove turntable motor sc...

Page 14: ...ent of stirrer motor Parts Explaination Photo Explaination Stirrer Motor 1 Disconnect power and remove Grille screws 3 2 Remove the bracket duct upper 3 Disconnect the stirrer motor wire 4 Remove stirrer motor screws 2 and pull the stirrer motor ...

Page 15: ...otor driver and located on the upper side of the cavity The oven uses a top feed wave guide The stirrer is located in the wave guide and the motor is located on the wave guide 1 Disconnect power and open the door 2 Remove the clip and turn the stirrer cover left 3 Remove stirrer cover and the stirrer will come with it ...

Page 16: ... screw securing the control box assembly 4 Disconnect the connectors from the control circuit board Removal of P C B Assembly 1 Pull the lever end of the plastic fastener and remove the Flexible Printed Circuit FPC of membrane panel 2 Remove screws 4 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 tha...

Page 17: ... avoid injury from the heat of the bulb Parts Explaination Photo Explaination Cooktop Lamp 1 Unplug the oven or turn off the power at the main power 2 Remove the bulb cover and mounting screws 3 Replace the bulb with a 40 watt appliance bulb 4 Replace the bulb cover and mounting screws 5 Turn the power back on at the main power supply ...

Page 18: ...ly and Reassembly 3 10 Replacement of Oven Light Parts Explaination Photo Explaination Oven Light 1 Remove the Grille 2 Remove the bracket Duct upper by remove 1 screw 3 Replace the bulb with a 40 watt appliance bulb ...

Page 19: ... to have been developed since January 1 2005 But GE or Customize model are excluded DEVICE ERROR CASE 0 Others 1 Open 1 Gas Sensor 2 Short 2 Temp Sensor 3 Max time 3 Weight Sensor 4 Easy PH Sensor 5 EEPROM 4 2 Error Code List Error Code Others E 0X Letter Solution Page SE Key Short Error 10 seconds Turn off set and restart 20 Page Error Code Gas Sensor Error Case E 1X Solution Page E 11 Open Check...

Page 20: ... 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 Electrical Malfunction 4 3 1 SE ...

Page 21: ...perly 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 Connect the wire properly S W Erro...

Page 22: ...erature 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 Sensor Short Error E 12 Is the sensor shorted The sensor is out of order Replace the sensor Perform the operation again and check if it is working prope...

Page 23: ... on 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 ...

Page 24: ...rmer NOTE 2 Oven does not accept key input Key input is not in Sequence Open or loose connection of membrane key pad to Ass y PCB Shorted or open membrane panel Refer to operation procedure Replace PCB main Defective Ass y PCB Timer starts countdown but no microwave Off alignment of latch switches Open or loose connection of high Adjust door and latch switches Check high voltage component accordin...

Page 25: ...Off alignment of primary interlock Defective secondary interlock S W Open or loose wiring of Replace turntable motor Loud buzzing noise can be heard Loose fan and fan motor Tighten screws of fan motor Tighten screws of H V Transformer Replace H V Diode Loose screws on H V Transformer Shorted H V Diode Microwave output is low Decrease in power source voltage Consult electrician Open or loose wiring...

Page 26: ...ing foods such as soup cocoa or milk Sparks Turntable motor does not rotate Open or loose wiring of turntable motor Replace turntable motor Defective turntable motor Oven stops operation during cooking Open or loose wiring of primary interlock switch Adjust door and latch switches Operation of thermal cutout Magnetron Sparks Metallic ware or cooking dishes touching on the oven wall Inform the cust...

Page 27: ... P034 M134 M036 U003 P016 P015 M061 P224 P039 P029 P030 P053 T017 T001 W002 P122 M048 M038 M040 M111 M013 P058 X034 B006 B001 M039 M017 M042 M041 M049 M034 M059 M059 M087 C081 M068 P001 T036 T037 T038 P059 M029 M035 P028 M155 B018 M030 P141 B002 B013 T030 M060 P090 P087 P088 P091 P089 U012 U005 U008 U003 U003 U007 M036 M036 P159 U001 ...

Page 28: ...2 P007 M050 P034 P025 P036 P024 M036 U003 P016 P015 M061 P224 P039 P029 P030 P053 T017 T001 W002 P122 M048 M038 M040 M111 M013 P058 X034 B006 B001 M039 M017 M042 M041 M034 M059 M059 M049 M087 C081 M068 P001 T036 T037 T038 P059 M029 M035 P028 M155 B018 M030 P141 B002 B013 T030 M060 P090 P087 P088 P091 P089 U012 U005 U008 U003 U003 U007 M036 M036 P159 U001 ...

Page 29: ... 95 D8 75 L43 1 SA M024 DE31 00028G 1 MOTOR VENTILATION SMV 360UA AL 120V 60 1 SA P024 DE32 60011A 1 SENSOR GAS ST MWO 1 SA P025 DE61 90111A 1 HOLDER SENSOR POM DURACON M90 02 1 SA P034 DE92 90551D 1 ASSY DUCT UPPER JVM 1650 60 SENSOR NEW S 1 SA P036 DE39 40678A 1 WIRE HARNESS S 120V60HZ JVM1450 60 GE 1 SA P039 DE72 50098A 1 DUCT UPPER PP G430 1 SA U003 DE47 00006A 1 HOLDER LAMP 250V 75W 250X187 2...

Page 30: ...NCANDESCENT 130V 40W ORG E17 20 1 SA DUCT UPPER M036 4713 001013 LAMP INCANDESCENT 130V 40W ORG E17 20 2 SA M038 DE26 00122A TRANS H V SHV U1650A 120V 60HZ 2350V 3 5 1 SA M039 2501 001011 C OIL 910nF 2100V BK 54x35x75mm 20mm 1 SA M040 DE61 50120A BRACKET HVC SECC T0 5 W62 L72 1 SA M041 DE91 70063D ASSY HVD HV03 12 MWO GE RED 1 SA M042 DE59 00002A DIODE H V 2CL4512H 450mA 13KV MWO ALL 1 SA M048 DE6...

Page 31: ... GROMMET MS DACB 16 1 SNA P109 DE71 60455A COVER MOTOR OTR7 PP T1 5 G114 NTR 1 SA P122 DE47 20059A THERMOSTAT PW 2N 8XV 125V15A V 120 0 23 1 SA P141 DE94 00789B ASSY CAVITY COATING 1 5CUFT BEST BUY CO 1 SNA P159 DE61 00735A BRACKET LAMP PCTO SECC T0 5 1 SA P224 DE61 00346A BRACKET BARRIER MODULAR OTR SECC T0 5 W7 1 SA T001 DE74 20016A TRAY COOKING GLASS T5 0 M551T 1 SA T017 DE92 90495A ASSY GUIDE ...

Page 32: ...SCENT 130V 40W ORG E17 20 1 SA DUCT UPPER M036 4713 001013 LAMP INCANDESCENT 130V 40W ORG E17 20 2 SA M038 DE26 00122A TRANS H V SHV U1650A 120V 60HZ 2350V 3 5 1 SA M039 2501 001011 C OIL 910nF 2100V BK 54x35x75mm 20mm 1 SA M040 DE61 50120A BRACKET HVC SECC T0 5 W62 L72 1 SA M041 DE91 70063D ASSY HVD HV03 12 MWO GE RED 1 SA M042 DE59 00002A DIODE H V 2CL4512H 450mA 13KV MWO ALL 1 SA M048 DE61 0090...

Page 33: ...GLE SBC1 ZPC2 WHT 3 SNA P091 DE63 10011A GROMMET MS DACB 16 1 SNA P109 DE71 60455A COVER MOTOR OTR7 PP T1 5 G114 NTR 1 SA P122 DE47 20059A THERMOSTAT PW 2N 8XV 125V15A V 120 0 23 1 SA P141 DE94 00789B ASSY CAVITY COATING 1 5CUFT BEST BUY CO 1 SNA P159 DE61 00735A BRACKET LAMP PCTO SECC T0 5 1 SA P224 DE61 00346A BRACKET BARRIER MODULAR OTR SECC T0 5 W7 1 SA T001 DE74 20016A TRAY COOKING GLASS T5 0...

Page 34: ...R POLYESTER L458 T0 015 W198 1 SA D006 DE64 00337A DOOR C MO1650WA PP T2 0 BLK 1 SA D011 DE64 01308A DOOR KEY MODULAR 2 POM BLK 1 SA D020 DE94 01814B ASSY HANDLE SMH8165WG XAA WHT ARCADIA 1 SNA D024 DE64 02053B SCREEN DOOR B SMH8165 TEMPERED GLASS T3 1 SA D049 DE94 01811B ASSY DOOR SMH8165WG XAA ARCADIA WHT 1 SNA D060 6107 001175 SPRING ES HSWR BLUING PI0 95 D8 5 L48 4 1 SNA D020 D002 D024 D004 D0...

Page 35: ...R POLYESTER L458 T0 015 W198 1 SA D006 DE64 00337A DOOR C MO1650WA PP T2 0 BLK 1 SA D007 DE61 00048A SPRING KEY BLUING HSWR PI1 95 D8 75 L43 1 SA D011 DE64 01308A DOOR KEY MODULAR 2 POM BLK 1 SA D020 DE94 01814B ASSY HANDLE SMH8165WG XAA WHT ARCADIA 1 SNA D024 DE64 02053B SCREEN DOOR B SMH8165 TEMPERED GLASS T3 1 SA D049 DE94 01811B ASSY DOOR SMH8165WG XAA ARCADIA WHT 1 SNA D020 D002 D024 D004 D04...

Page 36: ...4B SWITCH MEMBRANE SMH8165WG XAA PET 1 SA C005 DE64 01950B CONTROL PANEL SMH8165WG XAA PC W 1 SA C009 DE64 00766D WINDOW DISPLAY SMH7185 SAN CR 5381 W3 1 SA C082 DE94 01807B ASSY CONTROL BOX SMH8165WG XAA 120V60HZ 1 SNA C089 DE39 40673A WIRE HARNESS H 120V60HZ OTR6 ALL MODEL G 1 SA P157 DE94 01810A ASSY BRACKET C PANEL SMH8165BG XAA A 1 SA D020 D002 D024 D004 D049 D011 D005 D007 D006 C003 C089 C08...

Page 37: ...0 1 SA C004 DE34 00304B SWITCH MEMBRANE SMH8165WG XAA PET 1 SA C005 DE64 01950B CONTROL PANEL SMH8165WG XAA PC W 1 SA C009 DE64 00766D WINDOW DISPLAY SMH7185 SAN CR 5381 W3 1 SA C082 DE94 01807U ASSY CONTROL BOX SMH8165ST 120V60HZ WHIT 1 SNA C089 DE39 40673A WIRE HARNESS H 120V60HZ OTR6 ALL MODEL G 1 SA P157 DE94 01810A ASSY BRACKET C PANEL SMH8165BG XAA A 1 SA C089 C082 C004 C009 C005 C001 P157 C...

Page 38: ...2S 4 SA HVT 1 1 DE60 10082I SCREW A 2S 4X10 FEFZY 13 SA C BACK B PLATE DUCT UPPER FAN MOTOR VENT MOTOR PANEL OUTER DUCT SIDE 1 1 DE92 90508A ASSY HOLDER NUT OTR6 1 SA PANEL OUTER 1 1 DE60 30015A NUT FLANGE M5 P0 8 MSWR10 FEFZY 4 SA MGT 1 2 DE60 10111A SCREW LAG MSWR W1 4X50 1 SNA 1 2 DE60 20022A BOLT TOGGLE MSWR W3 16X75 3 SNA 1 2 DE60 20066A BOLT FLAT UNF1 4 L110 MSWR10 OTR6 3 SNA 1 2 DE60 30022A...

Page 39: ...2S 4 SA HVT 1 1 DE60 10082I SCREW A 2S 4X10 FEFZY 13 SA C BACK B PLATE DUCT UPPER FAN MOTOR VENT MOTOR PANEL OUTER DUCT SIDE 1 1 DE92 90508A ASSY HOLDER NUT OTR6 1 SA PANEL OUTER 1 1 DE60 30015A NUT FLANGE M5 P0 8 MSWR10 FEFZY 4 SA MGT 1 2 DE60 10111A SCREW LAG MSWR W1 4X50 1 SNA 1 2 DE60 20022A BOLT TOGGLE MSWR W3 16X75 3 SNA 1 2 DE60 20066A BOLT FLAT UNF1 4 L110 MSWR10 OTR6 3 SNA 1 2 DE60 30022A...

Page 40: ...cook top lamp T T Vent motor 6 CN201 AC Power LIVE Oven lamp Louver relay connector Connected to AC Power LIVE Oven lamp Louver motor 7 RY211 Vent boost relay Vent motor speed control 8 RY209 Vent high relay Vent motor speed control 9 RY210 Vent low relay Vent motor speed control 10 RY208 Turn table relay Turn table motor control 11 RY201 Main relay Cooling fan oven lamp stirrer motor control 12 R...

Page 41: ...KEY OUT 5 6 KEY OUT 6 7 KEY OUT 7 8 KEY OUT 8 9 KEY OUT 9 CN401 1 DOOR SWITCH 2 NO CONNECTION 3 DOOR SWITCH 4 TCO 5 TCO RY203 1 H V TRANS RY203 2 AC POWER NEUTRAL 10 KEY IN 1 11 KEY IN 2 12 KEY IN 3 13 KEY IN 4 14 KEY IN 5 15 KEY IN 6 16 KEY IN 7 CN202 1 LAMP FAN 2 NO PIN 3 TURN TABLE 4 NO PIN 5 VENT LOW 6 NO PIN 7 VENT HIGH 8 NO PIN 9 VENT BOOST CN201 1 AC POWER LIVE 2 NO PIN 3 H V TRANS 4 NO PIN...

Page 42: ...for Connecting Door and SMPS Power supply 5 CN402 A Terminal for connecting with Louver A Terminal for Connecting Louver and SMPS Power supply 6 CN601 A Terminal for connecting with Connector A Terminal for Connecting with Connector and SMPS Power Supply 7 RY201 Main Relay Power Supply Relay 8 RY202 Inrush Relay Inrush Electric Current Decrease Device 9 RY203 Power High Relay MWO Control Relay Pow...

Page 43: ...C POWER NEUTRAL CN401 1 DOOR SWITCH 2 NO CONNECTION 3 DOOR SWITCH 4 TCO 5 TCO CN201 1 AC POWER LIVE 2 NO PIN 3 H V TRANS 4 NO PIN 5 OVEN LAMP 6 NO PIN 7 LOUVER CN202 1 LAMP FAN 2 NO PIN 3 TURN TABLE 4 NO PIN 5 VENT LOW 6 NO PIN 7 VENT HIGH 8 NO PIN 9 VENT BOOST CN601 1 KEY OUT 1 2 KEY OUT 2 3 KEY OUT 3 4 KEY OUT 4 5 KEY OUT 5 6 KEY OUT 6 7 KEY OUT 7 8 KEY OUT 8 9 KEY OUT 9 10 KEY IN 1 11 KEY IN 2 ...

Page 44: ...44 7 Wiring Diagrams 7 Wiring Diagrams 7 1 Wiring Diagrams 00Version This Document can not be used without Samsung s authorization ...

Page 45: ...45 7 Wiring Diagrams 7 1 Wiring Diagrams 00Version This Document can not be used without Samsung s authorization ...

Page 46: ...46 7 Wiring Diagrams 7 Wiring Diagrams 7 1 Wiring Diagrams 01Version This Document can not be used without Samsung s authorization ...

Page 47: ...47 7 Wiring Diagrams 7 1 Wiring Diagrams 01Version This Document can not be used without Samsung s authorization ...

Page 48: ...14 19 P15 15 12 P16 7 P2 P3 16 P4 14 P5 17 4 P6 5 P7 6 P8 8 24 2G 25 3G 26 4G 27 5G 28 6G 29 7G 30 1 F11 2 F12 32 F21 33 F22 20 NP 1 21 NP 2 22 NP 3 23 VFD25 0717 DSP101 1G TR209 KRC246M F2 56uF C101 F1 12V R102 100 TR501 KRC246M MM4148 D206 7033P IC103 R111 2K DGND DGND 5V C114 10uF C105 100nF R409 2K R110 2K CN301 SMW250 03V_RED 1 2 3 2K R408 24V F1 MM4148 D208 5 9 D209 MM4148 SMW250 09AV_RED CN...

Page 49: ... RY208 R405 2K PC817 PC101 100nF C402 C202 10uF TR503 KRC246M 2 R106 51K PC817 PC102 4 3 1 KRC246M TR207 D602 1N4148M RY202 G5T 1A 12VDC IC102 B 2 D 4 E 1 5 S5 S6 6 S7 7 8 S8 5V D608 1N4148M D203 TNY276P R501 MM4148 470 R404 2K 220uF 3 9uH L102 C108 MTZJ4 3B ZD102 D102 1N4007 C401 100nF RY209 G5T 1A 12VDC 1N4148M D605 MM4148 D204 SB140 D109 470 R503 R502 2K D107 UF4007 5V UF4007 D108 D604 1N4148M ...

Page 50: ...ungportal 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 March 2009 Printed in Korea Code No DE68 05318A ...

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