Samsung NV51K6650D Service Manual
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Samsung NV51K6650D Service Manual

Built in electric wall oven
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Built in electric wall oven
Refer to the service manual in the GSPN(see rear cover) for the more information.
Built in electric wall oven
BASIC:
NV51K6650D*
MODEL:
NV51K7770D*
MODEL CODE: NV51K7770D*
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagrams
6. Wiring Diagram

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Summary of Contents for Samsung NV51K6650D

  • Page 1 Built in electric wall oven BASIC: NV51K6650D* MODEL: NV51K7770D* MODEL CODE: NV51K7770D* Built in electric wall oven 1. Precaution 2. Product Specification 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagrams 6. Wiring Diagram 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 Forward .

  • Page 3: Precaution

    1-1 Forward This SAMSUNG Service Manual, “Built in electric wall oven” provides the technician with information on the operation and service of the built in electric wall oven.. It is to be used as a training Service Manual. For specific information on the model being serviced, refer to the “Owner’s Manual”...

  • Page 4: Important Safety Instructions

    This document can not be used without Samsung’s authorization. 1. Precaution 1-3 Important Safety Instructions Read and follow all instructions before using your oven to prevent the risk of fire, electric shock, injury to person, or damage when using the oven . This guide doesn’t cover all possible conditions that may occur .
  • Page 5 This document can not be used without Samsung’s authorization. 1. Precaution SELF-CLEAN OVENS VENTILATING HOODS: • Do Not Clean Door Gasket – The door gasket is • Clean Ventilating Hoods Frequently – Grease essential for a good seal . Care should be taken not to should not be allowed to accumulate on hood or filter.

  • Page 6: Model & Serial Number Label And Tech Sheet Locations

    This document can not be used without Samsung’s authorization. 1. Precaution 1-4 Model & Serial Number Label and Tech Sheet Locations This Model / Serial Number label and Tech Sheet locations are shown below . Model & Serial Tech Sheet Location...

  • Page 7: Specifications

    This document can not be used without Samsung’s authorization. 2. Specifications 2-1 Table of Specifications ITEMS BASIC MODEL NEW MODEL Model Name NV51K6650DS NV51K7770DS Category Double wall oven Double wall oven Width 30" 30" Overall Installation type Built-In Built-In Color availability...

  • Page 8: Accessory

    This document can not be used without Samsung’s authorization. 2. Specifications 2-3 Accessory Item Description Code No. Q’ty RACK WIRE DG67-00124A SENSOR-PROBE DG32-00013A ASSY WIRE RACK DG94-01486A ASSY-PARTITION FLEX DG94-01643A...

  • Page 9: Disassembly And Reassembly

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 10: Removing Pcb-Main

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-3 Removing PCB-Main WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 11: Removing Smps Pcb

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-4 Removing SMPS PCB WARNING Disconnect power before servicing the oven Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 12: Removing Control Box

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-5 Removing control box WARNING Disconnect power before servicing the oven Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 13: Removing Sub Pcb

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-6 Removing Sub PCB WARNING Disconnect power before servicing the range Replace all panels before operating range . Failure to do so can result in death or electrical shock .

  • Page 14: Removing Knob Lighting Module

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-7 Removing Knob lighting module WARNING Disconnect power before servicing the range Replace all panels before operating range . Failure to do so can result in death or electrical shock .

  • Page 15: Removing The Latch-Door & Switch-Door Plunger

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-8 Removing The Latch-Door & Switch-Door Plunger WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 16: Removing Heater-Broil

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-9 Removing Heater-Broil WARNING Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 17: Removing Heater-Bake

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-10 Removing Heater-Bake Parts Explanation Photo Explanation 1. Disconnect power and remove oven racks . 2. Pull the oven out of its mounting location so that you can access the rear of the unit .

  • Page 18: Removing Convection Element, Fan-Convection And Motor-Convection

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-11 Removing Convection Element, Fan-Convection and Motor-Convection Parts Explanation Photo Explanation 1 . Disconnect power and remove oven racks . 2 . Pull the oven out of its mounting location so that you can access the rear of the unit .

  • Page 19: Removing Lamp

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-12 Removing Lamp WARNING Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 20: Removing Assy-Partition Switch

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-13 Removing Assy-partition switch Parts Explanation Photo Explanation 1. Turn off the electrical supply going to the range and pull the oven from its mounting location .

  • Page 21: Removing Sensor-Thermistor

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-14 Removing Sensor-Thermistor WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 22: Oven Door

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-15 Oven Door WARNING Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 23: Oven Door

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-16 Oven Door Parts Explanation Photo Explanation To replace door 1 . Firmly grasp both sides of the door at the top . 2 . Fully open the door .

  • Page 24: Handle-Door, Glass Inner

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-17 Handle-Door, Glass Inner WARNING Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .
  • Page 25 This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly Parts Explanation Photo Explanation To remove Handle-door 6 . Remove 2 rubber pads and 4 screws 7 . Remove 3 screws to remove handle-door . HANDLE- To remove Glass-Inner...

  • Page 26: Removing Gasket-Door

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-18 Removing Gasket-Door WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 27: Removing The Wi-Fi Module

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-19 Removing the Wi-Fi module WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 28: Removing The Steam Set

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-20 Removing the steam set WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 29: Assy Steamer

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-21 Assy Steamer WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .
  • Page 30 This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly Parts Explanation Photo Explanation 1. Remove clamp steam tube . 2. Remove 2 connectors and 2 tube clamps . Assy Steamer 3. Remove 3 screws . 4. Pull 2 TCO forward to separate .

  • Page 31: Assy Generator Sub

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-22 Assy Generator Sub WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 32: Motor Ac Pump

    This document can not be used without Samsung’s authorization. 3. Disassembly and Reassembly 3-23 Motor AC Pump WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the oven . Replace all panels before operating oven . Failure to do so can result in death or electrical shock .

  • Page 33: Troubleshooting

    This document can not be used without Samsung’s authorization. 4. Troubleshooting 4. Troubleshooting 4-1 Failure Display Codes 1 . Touch FLEX UPPER and FLEX LOWER for 5 seconds . Cavity_1 Cavity_2 Information is displayed on screen . Upper U_Mode U_StageU...
  • Page 34 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes Failure SOLUTION CAUSE code 1 . Check whether connector of sub pcb has been inserted . This code occurs if communication 2 . If no issue with connector on Sub PCB has been detected...
  • Page 35 This document can not be used without Samsung’s authorization. 4. Troubleshooting Failure SOLUTION CAUSE code Make sure the partition is inserted properly, and restart the This code appears if the partition oven . If the problem persists, disconnect all power to the...
  • Page 36 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes Upper oven sensor Lower oven sensor "C-20" Disconnect power Measure sensor resistance. Replace oven sensor (1080Ω at the room temperature) Check the connector condition of the *reconnect wire harness.(Oven sensor connector...
  • Page 37 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes Safety error "C-21" "C-d1" Disconnect power and main PCB. * Check DLB, Bake, Broil,convection * Repair damaged circuit board ∞ relay operation.(Normal: Ω) or replace main PCB.
  • Page 38 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes "C-d1" * Disconnect power. * Disconnect harness connected to Lock motor * Check micro switch (com-NC=>closed, when door is unlocked.) * Replace micro switch or Lock motor.
  • Page 39 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes "C-F0" * Disconnect power. * Unplug connectors from Sub PCB, Wall Main PCB and New FM Main PCB. Sub PCB Wall Main PCB New FM Main PCB * Check wire harness between * Repair damaged harness or replace.
  • Page 40 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes "C-F2" * Disconnect power. * Unplug connector on Sub PCB. * Check if ribbon cable from touch panel is connected normally into Sub PCB * Repair damaged wire or replace.
  • Page 41 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes "C-d0" *Disconnect power. *Remove keypad cable from Sub PCB. * Repair sub pcb if circuit is * Check for shorted cable shorted or damaged. connectors and damage to Sub PCB.
  • Page 42 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes WATER SENSOR PROBLEM Check if the wire is correctly connected Connect the wire harness correctly between Wall Main PCB (CN340) and test the oven .
  • Page 43 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-1 Failure Display Codes Check the ground wire on the sub generator . Check wiring and operate oven again . Is it connected correctly? Check operation of the pump motor and wire connections .
  • Page 44 This document can not be used without Samsung’s authorization. 4. Troubleshooting Control PCB Operation Sort of Control PCB New FM Main PCB Wall Main PCB Sub PCB LCD PBA...
  • Page 45 This document can not be used without Samsung’s authorization. 4. Troubleshooting SYMPTOM DIAGNOSIS REMEDY Measure an input voltage . (240/120V Check circuit breaker . or 208/120V) Check state of a wire connected to Measure an input voltage of terminal Terminal Block block .
  • Page 46 This document can not be used without Samsung’s authorization. 4. Troubleshooting SYMPTOM DIAGNOSIS REMEDY Make sure the keypad cable is Replace pcb if keypad cable is connected connected correctly . correctly . Keypad is not Check whether connector on pcb is Replace or repair after confirming that keypad working correctly .

  • Page 47: Electrical Malfunction

    This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction Troubleshooting (Power) No Power Check the circuit breaker. Check terminal block voltage. Check the terminal block connections (240V,60Hz) Replace or Repair the wiring Check the wiring.
  • Page 48 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction Troubleshooting (PCB failure) PCB Failure - Check the input voltage of Repair Faulty wiring - Check Terminal block PCB SMPS (input check- or PCB check voltage(240V).
  • Page 49 Step 1 . - Check whether display is showing • If display is showing WiFi icon, check to ‘Samsung Smart Home’ app . Delete and re-install the app . And then, try again (Follow manual instruction for samsung smart home app) .
  • Page 50 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction Component testing procedures WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock .
  • Page 51 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Lock motor Resistance : 1600~2200Ω (at the room temperature) Measure operation of the micro voltage : 120V switch and the motor after removing wire harness from terminals .
  • Page 52 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Measure resistance valur value of the oven temperature sensor . Approx. Check if wire harness is loose or at the room temperature :1080Ω...
  • Page 53 This document can not be used without Samsung’s authorization. 4. Troubleshooting 4-2 Electrical Malfunction Oven sensor resistance (Temperature vs . Sensor resistance) Ro = 1000 Ohms (0˚C), RP = 2757 Ohms, Up = 5V, a = 0.00375 degree F degree C...

  • Page 54: Pcb Diagrams

    This document can not be used without Samsung’s authorization. 5. PCB Diagrams 5. PCB Diagrams 5-1 PCB Diagrams (Upper oven) No . Parts Number Part Name Function and Rule RY201 RY-Source Relay This is relay which control source of DLB, Bake, Broil, Warming Drawer relay .
  • Page 55 This document can not be used without Samsung’s authorization. 5. PCB Diagrams No . Parts Number Part Name Function and Rule T206 Bake Broil Common Terminal This is terminal to common connect bake and broil heater . T207 T205 Broil Terminal This is terminal to connect harness with Broil relay .

  • Page 56: Pcb Diagrams (Lower Oven)

    This document can not be used without Samsung’s authorization. 5. PCB Diagrams 5-2 PCB Diagrams (Lower oven) No . Parts Number Part Name Function and Rule RY201 RY-Source Relay This is relay which control source of DLB, BAKE, BROIL, W/Drawer Broil relay(Ry203), Bake relay(Ry204), convection relay(Ry205) is turned ON/OFF by mi-com signal after DLB relay has been engaged .

  • Page 57: Pcb Diagrams (Lcd Pba)

    This document can not be used without Samsung’s authorization. 5. PCB Diagrams 5-3 PCB Diagrams (LCD PBA) No . Parts Number Part Name Function and Rule CN503 Sub Board Connector This is connected with sub board . CN501 Touch Connector This is connected with touch pannel .

  • Page 58: Pcb Diagrams (Sub Pba)

    This document can not be used without Samsung’s authorization. 5. PCB Diagrams 5-4 PCB Diagrams (SUB PBA) No . Parts Number Part Name Function and Rule CN200 Main Communication Connector This is connector which is connected with Main PCB to communicate .

  • Page 59: Wiring Diagram

    This document can not be used without Samsung’s authorization. 6. Wiring diagram 6-1 Schematic diagram (Upper oven)

  • Page 60: Schematic Diagram (Lower Oven)

    This document can not be used without Samsung’s authorization. 6. Wiring diagram 6-2 Schematic diagram (Lower oven)
  • Page 61 GSPN (GLOBAL SERVICE PARTNER NETWORK) Area Web Site Europe, CIS, Mideast & Africa gspn1 .samsungcsportal .com Asia gspn2 .samsungcsportal .com North & Latin America gspn3 .samsungcsportal .com China china .samsungportal .com © Samsung Electronics Co ., Ltd . September . 2017 Printed in Korea...

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