Samsung WF50K7500AV/A2 Service Manual
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Samsung WF50K7500AV/A2 Service Manual

Dual loading washer
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SERVICE
DUAL LOADING WASHER
DUAL LOADING WASHER
Basic Model
: WF50K7500AV/A2
(WF7500K)
Model Name : WV60M9900AV
(WV9900M)
Model Code
: WV60M9900AV/A5
(WV9900M)
Manual
1. Safety Instructions
2. Features and Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference
CONTENTS

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  • Page 1 DUAL LOADING WASHER Basic Model : WF50K7500AV/A2 (WF7500K) Model Name : WV60M9900AV (WV9900M) Model Code : WV60M9900AV/A5 (WV9900M) SERVICE Manual DUAL LOADING WASHER CONTENTS 1. Safety Instructions 2. Features and Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram 6. Wiring Diagram...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety instructions ................. . 1 1-1.

  • Page 3: Safety Instructions

    1. SAFETY INSTRUCTIONS 1-1. SAFETY INSTRUCTIONS FOR SERVICE ENGINEERS ▶ Be sure to observe the following instructions to operate the product correctly and safely to prevent possible accidents and hazards while servicing. ▶ Two types of safety symbols, Warning and Caution, are used in the safety instructions. Hazards or unsafe practices that may result in severe personal injury or death. WARNING Hazards or unsafe practices that may result in minor personal injury or property damage. CAUTION WARNING BEFORE SERVICING...
  • Page 4 CAUTION BEFORE SERVICING • Do not sprinkle water onto the washing machine directly when cleaning it. √ This may result in electric shock or fire, and may shorten the product lifetime. • Do not place any containers with water on the washing machine. √ If the water is spilled, it may result in electric shock or fire. This will also shorten the product lifetime. • Do not install the washing machine in a location exposed to snow or rain. √ This may result in electric shock or fire, and shorten the product lifetime. • Do not press a control button using a sharp tool or object. √ This may result in electric shock or damage to the product. CAUTION WHILE SERVICING • When wiring a harness, make sure to seal it completely so no liquid can enter. √ Make sure that they do not break when force is exerted. • Check if there is any residue that shows that liquid entered the electric parts or harnesses. √ If any liquid has entered into a part, replace it or completely remove any remaining moisture from it. • If you need to place the washing machine on its back for servicing purposes, place a support(s) on the floor and lay it down carefully so its side is on the floor. √ Do not lay it down on its front. This may result in the inside tub parts damaging. 2 _ Safety Instructions...
  • Page 5 WARNING WHILE SERVICING • Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded. √ If faulty, replace it immediately. Failing to do so may result in electric shock or fire. • Completely remove any dust or foreign material from the housing, wiring and connection parts. √ This will prevent a risk of fire due to tracking and electrical hazard. • When connecting wires, make sure to connect them using the relevant connectors and check that they are completely properly. √ If tape is used instead of the connectors, it may cause fire due to tracking. • Make sure to discharge the PBA power terminals before starting the service. √ Failing to do so may result in a high voltage electric shock. • When replacing the heater, make sure to fasten the nut after ensuring that it is inserted into the bracket-heater. √ If not inserted into the bracket-heater, it touches the drum and causes noise and electric leakage. WARNING AFTER SERVICING • Check the wiring. √ Ensure that no wire touches a rotating part or a sharpened part of the electrical harness. • Check for any water leakage. √ Perform a test run for the washing machine course and check whether there is any water leakage through the floor section or the pipes. • Do not allow consumers to repair or service any part of the washing machine themselves. √ This may result in personal injury and shorten the product lifetime. • If it seems that grounding is needed due to water or moisture, make sure to run grounding Grounding wires.
  • Page 6 CAUTION AFTER SERVICING • Check the assembled status of the parts. √ Now is a good time to inspect your work. Review all connections and wiring, including mounting hardware. • Check the insulation resistance. √ Disconnect the power cord from the power outlet and measure the insulation resistance between the power plug and the grounding wire of the washing machine. The value must be greater than 10MΩ when measured with a 500V DC Megger. • Check whether the washing machine is level the floor with respect to the original position of the washing machine prior to service. By doing this now will reduce for the need of customer dissatisfaction and redo call. √ Vibrations can shorten the lifetime of the product. 4 _ Safety Instructions...

  • Page 7: Features And Specifications

    2. FEATURES AND SPECIFICATIONS 2-1. FEATURES Features Description Flex Wash™ • Had to wash two loads at a time to separate lights and colors? With Dual Wash’s large capacity front loader and small capacity top loader on top, you can wash separate loads at the same time. Save your time running less number of loads. Super Speed • The SuperSpeed feature lets you finish wash cycles up to 50% faster*, while also enhancing the cleaning performance. Powerful water jets dissolve detergent rapidly and speed up the cleaning and rinsing process. Smart Control • Smart Control lets you remotely control and monitor your washing from anywhere using a smartphone App*. You can start or pause it and keep an eye on program selections, the remaining time and finishing alerts. Smart Care • The Smart Care automatic error-monitoring system detects and diagnoses problems and provides easy troubleshooting solutions using a smartphone App*. So it saves you time and potentially expensive repair bills**. PowerFoam™ • PowerFoam™ technology gets laundry thoroughly clean – while going easy on delicate items. It fills every inch of the drum with a thick foam that penetrates fabrics more quickly and deeply* than water and soap. VRTplus™ • Innovative VRT Plus™ technology reduces noise and vibration during (Vibration Reduction washes*. It keeps the drum evenly balanced even at high spin speeds and Technology)

  • Page 8: Specifications

    2-2. SPECIFICATIONS Model WV60M9900AV Wash type Dual loading washer A. Height - top door closed 46.9 in. (1190 mm) B. Height - top door opened 61 in. (1550 mm) Dimension C. Width 27 in. (686 mm) (Inches / mm) D. Depth with door open 54.6 in. (1386 mm) E. Depth 34 in. (864 mm) Water pressure (psi (kPa)) 20 - 116 (137 - 800) NET weight (lb (kg)) 308.6 (140)

  • Page 9: Comparing Specifications With Existing Models

    2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS Project WF7500K WV9900M WV60M9900AV/A5 Model Name WF50K7500A* Upper washer Lower washer Image Washing Capacity (cu.ft./ DOE) 1.0 + 5.0 Avialable Max. Spin Speed 1300 1300 + 800 686 X 864 X984 686 X 864 X1192 Dimensions (W x D x H mm) Gross 745 X 919 X 1090 750 x 915 x 1305...

  • Page 10: Options Specifications

    2-4. OPTIONS SPECIFICATIONS Item Code Remarks BOLT-SPANER(Wrench) DC60-40146A Default DC68-03768A MANUAL USER Default DC68-03788A CAP-FIXER DC67-00307A Default HOSE-HANGER DC62-10278A Default CABLE TIE 6501-000121 Default CASE-DETERGENT DC61-04468A Default Note • Customer can purchase additional water supply and drain hoses from a service center. • The spanner(wrench), water supply and drain hoses are not supplied. Both the water supply and drain hoses are supplied during the installation. 8 _ Features and Specifications...

  • Page 11: Disassembly And Reassembly

    3. DISASSEMBLY AND REASSEMBLY 3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY Tool Type Remarks Heater (1) Socket 10mm Wrench Motor (1), Balance (5), 2 holes of each 13mm with 6” left and right of the shock absorber 1 19mm Extension Pulley hole 10mm Replaceable for the box driver. Open End 13mm Since the bolt runs idle when the box wrench driver is used, use the box driver 17mm. 19mm Tool to protect the idle and abrasion of Vice pliers the bolt for the box driver. Others General tools for the after service. (Driver, Nipper, Long nose) Removal and Reassembly _ 9...

  • Page 12: Standard Disassembly Drawings

    3-2. STANDARD DISASSEMBLY DRAWINGS ▶ This is a standard disassembly diagram and may differ from the actual product. Use this material as a reference when disassembling and reassembling the product. Part Figure Description 1. Remove the 2 screws holding the Back- Cover at the back of the washing machine and separate the Back-Cover pushing it downwards. (Assemble it by lifting it upwards) 2. After separating the Back-Cover, remove the M19 nut holding the Motor. To remove it, turn it counter-clockwise. As the Motor also rotates if the nut is turned slowly, torque it quickly and firmly in a single action. Do not remove the nut by inserting a screwdriver into the Motor, as this may result in a problem with the motor. 3. Remove the M19 nut and washer and then separate the Rotor. Since removing the rotor requires a lot of strength due to the magnetic force of the Rotor and it may come off suddenly, your hand or arm may be injured by the edge of the Stator or Frame. Therefore take precaution when separating it. Disassembling and Repairing the Rear You can separate the connector by pressing Motor Motor wire 4. Separate the Motor Wire and Hall Sensor while pressing the navel of the Housing. Take Hall sensor...
  • Page 13 Part Figure Description 1. Separate the Assy Thermistor and Guide Wire-T while pulling the Assy Thermistor. 2. Separate the Assy Thermistor and Assy Wire Harness while pressing the navel of the Housing. Disassembling and Repairing the 3. Pull the Assy Thermistor from Tub Back. Thermistor When disassembling Assy Thermistor , leave the rubber packing. CAUTION 1. When assembling Assy Thermistor, push to the end. If assembling like NG picture, water leakage possibility is high. 2. When assembling and disassembling Assy Thermistor , rubber Packing should be checked. If the gap existed between rubber packing and tub- back, water leakage possibility is high. Removal and Reassembly _ 11...
  • Page 14 Part Figure Description 1. Remove the 2 screws, which are at the back, fixing the COVER-TC Disassembling and 2. Grab the hook and lift it up. Repairing the Cover-T.C 3. It is easily disassembled when lifted at the same time as LID-T.C 1. Disconnect the connector connected to the Waver valve.Open the lid and remove the connector connected to EMI-FILTER. Disassembling and Repairing the Water 2. Remove 9 SCREW Supply Valve 3. Use the tool to remove 6 points of the clip and separate the water valve 12 _ Removal and Reassembly...
  • Page 15 Part Figure Description 1. Disassemble COVER-T.C. Disassembling and Repairing the Water 2. Remove the level sensor from the assembly. Level Sensor -Upper washer 3. Remove Clamp as shown in the picture and remove hose. 1. Remove FRAME FRONT. Disassembling and 2. Press the Hook part as shown to separate It Repairing the Water from the FRAME PLATE. Level Sensor -Lower washer 3. Remove the Clamp as shown Separate hose. Removal and Reassembly _ 13...
  • Page 16 Part Figure Description 1. Open Lid-tc and remove 2 screws on each side 2. Lift the door up with both hands and remove Disassembling the LID-T.C & COVER- 3. Remove the Assy lid t.c low after separating TOP FRONT Frame and Assy lid t.c assembly hook using a flat screwdriver as shown in the figure. 4. Remove the cover detergent, cover rinse by lifting up as shown. 5. Using the driver as shownRemove cover top fron. 14 _ Removal and Reassembly...
  • Page 17 Part Figure Description 1. Remove 3 screws for panel separation Disassembling the 2. After removing the screw, pull the panel forward and remove it CONTROL PANEL 3. Disconnect the connector as shown. 1. Remove cover rinse and cover detergent with driver. Disassembling the 2. Remove hose and cover detergent after removing clamp as shown COVER TOP-DECO 3. Lift up the cover top as shown in the figure. Removal and Reassembly _ 15...
  • Page 18 Part Figure Description 1. Remove the 2 screws holding the ASSY PCB- MAIN at the back of the washing machine. 2. Separate the 2 Hooks by pushing it rightwards. 3. Remove the 2 screw and 2 Connectors for separating Guide Wire-T Separating the Main 4. Push the TUB upside to separate ASSY PCB- MAIN. and separate the ASSY PCB-MAIN lifting it up. 5. Separate the 4 Hooks. 6. Disconnect All Connectors on main PBA. Lift up Main PBA, Change SVC Part. After SVC, Certainly check the all Hooks on COVER- PCB(M) Otherwise COVER-PCB(M) will be disassembled during washing machine running. 16 _ Removal and Reassembly...
  • Page 19 Part Figure Description 1. Remove the 2 hexagonal screw holding the hinge door. 2. Putting and pressing hard a flat-head screwdriver or into the furrow between COVER-FILTER and FRAME-FRONT and then pull it towards to open the COVER-FILTER. Disassembling and Reassembling the Door Part 3. Remove the screw holding the cover filter. 5. Separate the Connector of assy wire harness. Removal and Reassembly _ 17...
  • Page 20 Part Figure Description 1. Pull the DIAPHRAGM upside, and finish disassembling along the circle. 2. Remove the 2 screws to separate the DOOR LOCK S/W. 3. Remove the 5 screws at the top of FRAME- Disassembling the FRONT. Front Cover/Frame Front (Check the Door Lock S/W) 4. Push the lever and pull it towards to open the COVER-FILTER. 5. Separate the remaining WATER REMOVAL HOSE (BLUE) from the hook. 6. Remove the 2 screw down under Frame Front. 7. Press the UPPER-PLATE slightly with the screwdriver to separate the FRAME-FRONT. 18 _ Removal and Reassembly...
  • Page 21 Part Figure Description 1. Remove the 2 screws holding the ASSY PUMP DRAIN. 2. Separate the Clamp of the hose connected to the PUMP and then pull the DRAIN-HOSE. 3. Separate the Clamp of the hose connected to Disassembling the the PUMP and then pull the HOSE-AIR. Pump Motor Part 4. Separate the Clamp of the hose connected to the PUMP and then pull the HOSE-DRAIN. 5. Separate the wire connected to the PUMP. 1. If the washing machine works, drain the water in the wash tub by selecting the Spin course. If Removing the the washing machine does not work, remove Remaining Water the laundry from the wash tub and scoop the remaining water out of the tub using a cup. Removal and Reassembly _ 19...
  • Page 22 Part Figure Description 1. Open the door and remove the diaphragm as shown. 2. Remove 3 screws and detach Door lock s/w. 3. Tilt the set slightly backwardsRemove two screws at the bottom. Disassembling the Assy basket & tub of 4. Remove 4 screws at the top of the frame front. Upper washer 5. Use the tool to detach the two hooks, then move the frame front forward Pull it off. 6. Remove 9 screws and disassemble by pulling the part forward. 7. Remove the four screws and pull the part forward to remove it. 20 _ Removal and Reassembly...
  • Page 23 Part Figure Description 8. After removing one screw, pull the part forward to remove it. 9. For top frame-right disassembly, remove the three parts of SCREW on the upper left side of the rear panel. 10. Remove 3 Screws on the back. Disassembling the Assy basket & tub of Upper washer 11. Remove 3 screws inside Frame Right. 12. Lift the upper assy cover top slightly, then remove the hook using a screwdriver and remove the part. 13. Separate in the same direction as the picture. Removal and Reassembly _ 21...
  • Page 24 Part Figure Description 14. Remove the holder and detach the hose. 15. Use tool to remove clamp and separate hose. 16. Separate the assembly screws of detergent and rinse cups. Disassembling the Assy basket & tub of Upper washer 17. Remove three screws on each side of the left and right sides. 18. Drain hose assembly area screw included Separate 3 Screws. 19. Left Earth wire assembly screw included Remove 2 Screws. 20. L ift the upper assy and remove the clamp to separate the hose. 22 _ Removal and Reassembly...
  • Page 25 Part Figure Description 21. Remove 3 Screws. 22. Remove the clamp first to separate the hose connected to the pump drain. CAUTION When removing the hose, please be careful because residual water may come out. Disassembling the Assy basket & tub of Upper washer 23. Use the tool to remove the wire bundles assembled into the frame. 24. Remove the four screws and lift up the assy basket. Removal and Reassembly _ 23...
  • Page 26 Part Figure Description 1. Disassemble 4 screws. 2. Lift up ASSY BASKER andDAMPER at the same Disassembling and time. Repairing the Damper -Upper washer 3. Remove the damper by lifting It up, Separate from CORNER FRAME. 24 _ Removal and Reassembly...
  • Page 27 Part Figure Description 1. Remove the 5 bolts fixing WEIGHT BALANCER and then pull it towards with caution. 2. Remove the 4 bolts fixing DAMPER to take ASSY TUB out. 3. Remove all wire and hose connected the ASSY-TUB. Disassembling the TUB of Lower 4. Open the cap of SPRING-HANGER to take washer ASSY-TUB out. 5. Lift the ASSY-TUB with two people carefully with holding SPRING-HANGER. 6. Remove the M10 bolt from the middle of the TUB and separate the TUB-FRONT and TUB- BACK. Removal and Reassembly _ 25...
  • Page 28 Part Figure Description 1. Disassemble the Front-Frame. 2. Separate the connection wire. - Separate the Thermostat fixed at the bottom of the Tub. (Take precaution as there may be water remaining.) Make sure to separate the Thermostat first and then separate the Heater. If you fail to observe this order, it may result in a shock and be damaged. 3. Release the nut holding the Heater with an M10 tool and then separate the Heater. Do not completely release the nut. Pull the Heater forward after releasing the Separating the nut. If the Heater is damaged, it may cause a Heater at the problem. Bottom Front Therefore unfasten the nut using spanner or wrench manually without using pincers or tweezers. When you re-assembly the heater, make sure to install the Heater exactly onto the Bracket inside the Tub. If it is not properly installed, it may cause a fire. In addition, completely insert the packing part into the Tub when assembling it so that the packing part is completely attached onto the Tub. * Check Points for Troubleshooting 1. Check if the resistance of the Heater is equal to 27.1Ω (for the 1900W product), or 26.2Ω (for the 2000W product).
  • Page 29 Part Figure Description 1. Remove HOLDER and disconnect HOSE. 2. Disconnect the connector Disassembling the MEMS Sensor 3. To facilitate disassembly of the MEMS SENSOR, pull the tub toward the front as shown in the picture. 4. Remove two screws and detach the MEMS sensor. Removal and Reassembly _ 27...
  • Page 30 Part Figure Description 1. Remove 6 Screws. Disassembling the COVER TUB 2. Use a screwdriver to detach the 5 hooks and lift up the Cover-Tub. 1. Separate one bolt and open COVER. Disassembling the BLDC MOTOR 2. Remove connector and remove 6 bolts. 28 _ Removal and Reassembly...

  • Page 31: Troubleshooting

    4. TROUBLESHOOTING 4-1. ERROR MODES ▶ This is a washer integrated error mode. For detailed information, refer to the general repair scripts. Code Error Type Causes Remarks Upper Lower washer washer - The part of the hose where the water level sensor is located is damaged (punctured). - The hose is clogged with foreign material. - The hose is folded. - Too much lubricant has been applied to the Water Level 1 1C insertion part of the air hose.
  • Page 32 Code Error Type Causes Remarks Upper Lower washer washer - The pump motor impeller is damaged internally. - The wrong voltage is supplied to the parts. - Part fault. - This occurs due to freezing in the winter season. - The drain hose is clogged. (Injection error, foreign Drain Error 1 5C material) - Clogged with foreign material. - The water pump terminal is not connected: rubber band, bills, cotton, hair pins, coins have collected inside the drain pump ASSY. - Check the consumer’s power conditions. : Make sure to check the operating voltage. Connect a tester to the internal power terminals during the Boil operations and observe the washing machine’s operation carefully. 19C1 : Check the voltages. Power Error (An error occurs when under or over voltage is 19C2...
  • Page 33 Code Error Type Causes Remarks Upper Lower washer washer - The signals between the Inverter PBA and main PBA are not sensed because of communication error. - Check The connector connections between the 1AC6 Inverter PBA and main PBA carefully. → Check for incorrect or loose connections, etc. - Remove the Inverter PBA and Check for any faulty soldering. Communication - The signals between the main PBA with Upper Error washer and main PBA with Lower washer are not sensed because of communication error. - Check The connector connections between the main PBA with Upper washer and main PBA with 1AC7 Lower washer carefully. → Check for incorrect or loose connections, etc. - Remove the Inverter PBA and Check for any faulty soldering. - A switch is jammed or stuck due to be pressed unevenly due to deformation of the control panel or button. - This error may occur when the screws that hold the sub PBA in place are tightened too much.
  • Page 34 Code Error Type Causes Remarks Upper Lower washer washer - The washing heater is short-circuited or has a wire disconnected. - The washing heater in the tub has an error. If the heater (Contact error, temperature sensor fault) has no error, this occurs - If the water level sensor operates without water Heater Error because of because water is frozen or for any other reason a PBA relay and the temperature sensor engaged at the malfunction. bottom to prevent overheating for the washing heater detects a temperature of 100 to 150 ˚C, the washing machine turns the input power off. - Heater engagement fault. (out of place) - The air hose is out of place and water leakage occurs during the spin cycle. - The tub back at the safety bolts fixing part is broken. - Water leakage occurs at the front with foaming because of too much detergent.
  • Page 35 Code Error Type Causes Remarks Upper Lower washer washer - The washing heater sensor in the tub has an error. Heater sensor (Contact error or temperature sensor fault) fault - The connector is connected incorrectly or is : W hen the disconnected. connector is connected - If the water level sensor operates without water 1TC1 incorrectly because the water is frozen or for any other reason Temperature or has a wire and the temperature sensor engaged at the Sensor Error disconnected bottom to prevent overheating for the washing or contact heater detects a temperature of 100 to 150 ˚C, the error washing machine turns the input power off.

  • Page 36: Test Modes

    4-2. TEST MODES Mode How to enter Set the scheduled Press Start/Pause Standby Smart Install Smart Install for 7 seconds time to 17:00 Automatic Smart Install Press Start/pause While displaying “AS”. check mode Press Delay End While displaying “AS” delay end, Manual check Enter Smart Install mode Check devices in turn when pressing delay end. S/W version Press the first button on the left at the bottom Enter Smart Install While displaying “AS”. Check Press the first button on the right at the bottom while displaying “AS”, “Cr”. Tum jog dial along the direction for CW when displaying. Diagnostic Code Enter Smart Install For models that do not feature the jog dial, press the 3rd button Check from the bottom left to display the information codes one by one by one with the latest first. Automatic Mode of Smart Install ▪...

  • Page 37: Corrective Actions For Each Error Code

    4-3. CORRECTIVE ACTIONS FOR EACH ERROR CODE Troubleshooting _ 35...
  • Page 38 36 _ Troubleshooting...
  • Page 39 Troubleshooting _ 37...
  • Page 40 38 _ Troubleshooting...
  • Page 41 Troubleshooting _ 39...
  • Page 42 40 _ Troubleshooting...
  • Page 43 Troubleshooting _ 41...
  • Page 44 42 _ Troubleshooting...

  • Page 45: Pcb Diagram

    5. PCB DIAGRAM 5-1. MAIN PCB Location Part No. Function Description Location Part No. Function Description RY101 PBA Power Supply Power on/off of inverter PBA DISPLAY and INVERTE PBA CN804 Supply power and communicate with the display and Inverter PBA. communication CNP101 Power Supply Supply 120V of AC power. Upper washer PBA CN803 Supply power and communicate with upper washer PBA. communication CNP102 Power Supply Supply power to ac load only door lock state RY402 Washing Heater Relay Power on/off of wash heater CN501 Sensor connector Sensing of door open/close, water temp and water level. RY401 Upper washer Relay Power on/off of upper washer...

  • Page 46: Circuit Diagrams Of Main Parts For Main Pba

    5-2. CIRCUIT DIAGRAMS OF MAIN PARTS FOR MAIN PBA ▶ CN502 ▶ CN501 1. 3.3V 1. GND ▶ CN803 2. CS1 2. DOOR_SW 1. 5V 4. SDO 6. WATER_LV_OUT_FWM 2. TX_OWM 5. SPI 7. WATER_LV_IN_FWM 3. RX_OWM 6. SPC 8. WATER_LV_OUT_OWM 4. GND 7. GND 9. WATER_LV_IN_OWM 5. WATERLEVEL_TO_OWM_MAIN ▶ CN304 1.

  • Page 47: Inverter Pcb

    5-3 INVERTER PCB Location Part No. Function Description Communication Communication with MAIN Hall Sensor Sensing Hall signal Motor Output MOTOR 3-Phase Output AC Power Source Supply AC Power JTAG Connector Debugging connector (Deleted in massproduction) Flash Writing Port Writing Flash memory PCB Diagram _ 45...

  • Page 48: Circuit Diagrams Of Main Parts For Inverter Pba

    5-4. CIRCUIT DIAGRAMS OF MAIN PARTS FOR INVERTER PBA ▶ CN2 ▶ CN6 1. 5V 1. Motor signal (U) 2. HALL A sensor signal 2. Motor signal (V) 3. HALL B sensor signal 3. Motor signal (W) 4. Ground ▶ CN1 ▶ CN5 1. MAIN Communications signal 1. L line 2. MAIN Communications signal 2. N line 3. Ground ▶ CN4 1.

  • Page 49: Display Pcb

    5-5. DISPLAY PCB Location Part No. Function Description CN501 MEMS communication Supply power and communicate with Mems sensor. CN801 MAIN PBA communication Supply power and communicate with MAIN PBA. CN802 Wi-Fi communication Supply power and communicate with Wi-Fi. CN401 Touch communication Supply power and communicate with Touch. CN201 Flash Writing Port writing Flash memory. PCB Diagram _ 47...

  • Page 50: Circuit Diagrams Of Main Parts For Display Pba

    5-6. CIRCUIT DIAGRAMS OF MAIN PARTS FOR DISPLAY PBA ▶ CN401 ▶ CN501 1. 3.3V_MEMS 2. GND 2. SPC 3. TOUCH_SDA 3. SDI 4. TOUCH_SCL 4. SDO 5. 5V 5. GND 6. POWER_KEY_1 6. CSI 7. POWER_KEY_2 ▶ CN802 ▶ CN801 1. TX_MAIN 2. RX_SMART_TEST 2. RX_MAIN...

  • Page 51: Upper Washer Main Pcb

    5-7. UPPER WASHER MAIN PCB Location Part No. Function Description RY101 Main Relay Power on/off of inverter PBA CN101 Power Supply Supply 120V of AC power. CN102 CN402 AC load connector The port to supply power for each AC load Front washer PBA CN803 Communicate with Front washer PBA. communication CN404 DC DoorLcok onnector Control the DC DoorLock open/close. CN501 Sensing Connector Sensing of water temp and Inner door Open/Close.. CN202 Flash Writing Port writing Flash memory.(MAIN) CN902 Flash Writing Port writing Flash memory.(INVETER) PCB Diagram _ 49...

  • Page 52: Circuit Diagrams Of Main Parts For Upper Washer Main Pba

    5-8. CIRCUIT DIAGRAMS OF MAIN PARTS FOR UPPER WASHER MAIN PBA ▶ CN202 ▶ CN402 1. 5V ▶ CN801 1. COLD_VALVE 2. RXD_MAIN PIN Location 2. RINSE_VALVE 3. TXD_MAIN 1. MOTOR-W 2. MOTOR-V 3. HOT_VALVE 5. GND 5. DRAIN_PUMP 6. BOOT 3. MOTOR-U ▶ CN101 1.

  • Page 53: Schecmatic Diagram Of Reactor & Info

    5-9. SCHECMATIC DIAGRAM OF REACTOR & INFO AC 8.0A REACTOR 50.60 Hz Remarks InpuT Lead No or color Rated Current 1---2 WHT-WHT 1---2 WHT-WHT AC 8.0A 1---2 WHT-WHT AC 8.0A SYMBOL TERMINAL NO TURNS WINDING METHOD REMARKS WINDING ORDER WIRE S - F PEW 1.4φ...

  • Page 54: Wiring Diagram

    6. WIRING DIAGRAM 6-1. WIRING DIAGRAM_ WV60M9900A* 52 _ Wiring Diagram...

  • Page 55: Reference

    7. REFERENCE MODEL NAME IN THE MARKET BOM MODEL CODE WV: Flexwash F: 13year 1: Entry 9: Best ▶ Region or Type ▶ Color ▶ Buyer Code WR: Flexcombo H: 14year 2: Entry 6: Better A : N.America W:WHITE J: 15year 3: Entry L : L.America G:Gray K: 16year 4: Mid E : Euro S:SILVER M: 17year 5: Mid R : CIS V: Black 6:Mid M : M.E Asia Z: Blue Sapphire 7:High F : Africa 5.0+1.0 Cuft = 60...
  • Page 56 This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable © 2017 Samsung Electronics Co.,Ltd. All rights International and/or domestic law. reserved.

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