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3. Disassembly and Reassembly

3-8 Replacement of Control Circuit Board

Parts

Explaination Photo

Explaination

Removal of 

Control Box 

Assembly

1. 

Disconnect power and remove grille .

Be sure to ground any static electric charge in 

your body and never touch the control circuit .

3. 

Remove a 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 .

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 that the holes on the connector are 

properly engaged with the hooks on the Plastic 

Fastener .

Summary of Contents for SMH8165B/XAC

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 SMH...

Page 2: ...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...

Page 3: ...1 Precaution...

Page 4: ...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...

Page 5: ...ined 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 Capa...

Page 6: ...ne 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...

Page 7: ...ion Kg Kg Reminder End Signal On Off No No Child Safety Lock No No Clock System Option 12 hrs 24 hrs 12 hrs 12 hrs Demonstration Mode No No Numeric Pads 0 9 0 9 Turntable Distribution Stirrer Turntabl...

Page 8: ...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 G...

Page 9: ...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...

Page 10: ...agnetron 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...

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...

Page 12: ...r 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 plat...

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...

Page 14: ...nt 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 stirr...

Page 15: ...tor 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 op...

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 Printe...

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 Replac...

Page 18: ...y 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...

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 EE...

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...

Page 21: ...erly 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 co...

Page 22: ...rature 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 fro...

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 t...

Page 24: ...mer 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...

Page 25: ...ff 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...

Page 26: ...ng 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...

Page 27: ...P034 M134 M036 U003 P016 P015 M061 P003 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...

Page 28: ...P007 M050 P034 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...

Page 29: ...M049 DE31 10172C 1 MOTOR SYNCHRONOUS SSM 16HR OTR FREE 3 60 1 SA M068 DE64 01951B 1 GRILLE SMH8165WG XAA PC WHT 1 SNA M155 DE97 00678A 1 ASSY BASE PLATE OTR6 7 BASE PLATE T0 6 1 SA M202 DE81 01614A 1...

Page 30: ...SA M036 4713 001013 LAMP INCANDESCENT 130V 40W ORG E17 20 2 SA M038 DE26 10136B TRANS H V SHV 7778UCR 120V 60HZ 2280V 3 1 SA M039 2501 001202 C OIL 0 83UF 2100VAC BK 54X35X70MM 2 1 SA M040 DE61 50120...

Page 31: ...SNA P091 DE63 10011A GROMMET MS DACB 16 2 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 COATIN...

Page 32: ...E17 20 1 SA M036 4713 001013 LAMP INCANDESCENT 130V 40W ORG E17 20 2 SA M038 DE26 10136B TRANS H V SHV 7778UCR 120V 60HZ 2280V 3 1 SA M039 2501 001202 C OIL 0 83UF 2100VAC BK 54X35X70MM 2 1 SA M040 DE...

Page 33: ...3 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 BES...

Page 34: ...R POLYESTER L458 T0 015 W198 1 SA D006 DE64 02056A DOOR C SMH8165 PP ARCADIA 1 SA D011 DE64 01308A DOOR KEY MODULAR 2 POM BLK 1 SA D020 DE94 01814B ASSY HANDLE SMH8165WG XAA WHT ARCADIA 1 SA D024 DE64...

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...

Page 36: ...6 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 01807B ASSY...

Page 37: ...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 C...

Page 38: ...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 NUT TOGGLE SBC1 ZPC2 WHT 3 SNA 1 1...

Page 39: ...01568 SCREW TAPTITE FH TORX B TITE M4 L14 NI 2 SNA B D LATCH 1 1 DE60 10045A SCREW TAP PH FEFZY PH M3 L6 1 SA MGT TCO 1 1 DE60 30015A NUT FLANGE M5 P0 8 MSWR10 FEFZY 4 SA MGT 1 1 DE92 90508A ASSY HOLD...

Page 40: ...ook 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...

Page 41: ...EY 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...

Page 42: ...or 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 Termina...

Page 43: ...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...

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: ...4 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 F...

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 TNY27...

Page 50: ...ngportal 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...

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