Samsung DV50K Series Service Manual
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Samsung DV50K Series Service Manual

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SERVICE
CLOTHES DRYER
DV50K*/DV45K*
Refer to the service manual in the GSPN (see the rear cover) for the more information.
"
This document can not be used without Samsung's authorization"
CLOTHES DRYER
PROJECT : DV7500/6500/6200K
Model Name : DV50K*
DV45K*
CHECK BELOW CHART
Manual
1.
Safety Instructions
2. Features and
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB diagram
6.
Wiring diagram
CONTENTS

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Summary of Contents for Samsung DV50K Series

  • Page 1 2. Features and 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB diagram Wiring diagram DV50K*/DV45K* Refer to the service manual in the GSPN (see the rear cover) for the more information. “ This document can not be used without Samsung's authorization”...
  • Page 2 2. fEATuRES AND SPECIfICATIONS 2-1. fEATuRES features Description Ultra drying capabilitlites are at your fingertips! Now you can dry extra-large loads. Our ultralarge 7.5 cu.ft. capacity dryer circulates more air through your clothes getting Extra Large Capacity them dry faster, for a wrinkle-free result. Our cycles are designed with you in mind. All our dryers are designed to dry your Time Saving clothes in less time... just 42 minutes! Giving you time for more important things in life. Samsung dryers are super energy efficient, that you can dry up to 3.31 pounds of laundry with 1kWh. Also, both the large capacity and Fuzzy Logic Control save energy Energy Saving by automatically drying your clothes the most efficient way. Our dryers will fit just about anywhere and without a door conflict. The direction of our Easy Reversible Door easy reversible door can be changed with just four screws. An optional 15” pedestal is available to raise the washer for easier loading and Pedestal with Storage unloading. It also offers a built-in storage drawer that can hold a 100 oz. bottle of Drawers detergent Samsung’s Washer and Dryer can be stacked to maximize usable space. The Dryer legs need to be removed to stack the Washer and Dryer. An optional Stacking stacking kit is available for purchase from your Samsung retailer.

  • Page 3: Features And

    https://appliancetechmanuals.com 2-2. SPECIFICATIONS Front loading dryer Type DV45K6500E(G)*, DV50K7500E(G)* DV45K6200E(G)* Product - inches 38.7 (98.4) (cm) A. Height Required for 40.7 Installation - inches Product - inches 27.0 (68.6) (cm) B. Width Required for 29.0 Installation - inches Product - inches 32.6 (82.7) 32.4 (82.3) (cm)

  • Page 4: Features

    https://appliancetechmanuals.com 2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS Model Name DV50K7500 DV45K6500 DV42K6200 DV45H6300 Image Capacity 7.5 cu.ft 7.5 cu.ft 7.5 cu.ft 7.5 cu.ft Dryer Type Electric/Gas Electric/Gas Electric/Gas Electric/Gas Matching Washer WF50K7500 WF45K6500 WF42K6200 WF45H6300 Number Of Cycles Refresh Steam Wrinkle Away Cycles Steam Sanitize...
  • Page 5 https://appliancetechmanuals.com 2-4. OPTIONS SPECIFICATIONS Item Code Remarks MANUAL-BOOK DC68-03381C DIE-RACK DRY DC61-02705A (only for DV50K7500*) ASSY CONNECTOR - Outer Diameter : 24mm DC97-15103A - Pitch : 2.2mm default ASSY HOSE CONNECTOR - Outer Diameter : 24mm DC97-15249A - Pitch : 2.2mm SEAL-WATER DC62-40178A 8 _ Features and...

  • Page 6: Disassembly And Reassembly

    https://appliancetechmanuals.com 3. DISASSEMBLY AND REASSEMBLY 3-1. TOOLS fOR DISASSEMBLY AND REASSEMBLY Tool Type Remarks Fan (1) Socket set with 14 mm 6” extention Roller Shaft (4) 17 mm Wrench Tool to fix the Roller Shaft on removing the nuts. 8 mm Tool to protect the idle and abrasion of the bolt Vice pliers for the box driver. Other (Driver, Diagonal Cutter, General tools for the after service. Long Nose Pliers) Removal and Reassembly _ 9...

  • Page 7: Standard Disassembly Drawings

    https://appliancetechmanuals.com 3-2. STANDARD DISASSEMBLY DRAWINGS To avoid risk of electrical shock, personal injury or death, disconnect the power to the Clothes Dryer. ► 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...
  • Page 8 https://appliancetechmanuals.com Part figure Description 1. Disconnect the power supply to the unit. 2. Remove the Top-Cover. 3. Remove 2 screws from the Guide-Panel. 4. Separate 6 Hook from Guide Panel. 5. Remove Console. Console Removal 6. Remove Each Housing. 8. Remove screws from the Assy PCB Sub. Be careful of external scratch on the console. Removal and Reassembly _ 11...
  • Page 9 https://appliancetechmanuals.com Part figure Description 1. Disconnect the power supply and to the unit 2. Remove the Top Cover 3. Remove 3 screws from the frame+plate 4. Remove the Wire holder Main PCB Removal 5. Remove the Housings Shaking the heater terminal side ways to pull it out is prohibited. 12 _ Removal and Reassembly...
  • Page 10 https://appliancetechmanuals.com Part Figure Description 1. Door Opening 2. Remove 2 screws from the Frame Front 3. Separate the temporary fixation part of the Assembly Door. 4. Remove 10 screws from the Holder Glass 5. Remove the Door-Cover Door Removal 6. Remove 4crews from the Support-Hinge 7.
  • Page 11 https://appliancetechmanuals.com Part figure Description 1. Disconnect the Power Supply to the unit 2. Remove the Top Cover, and the Console 3. Remove the filter 4. Remove 2 screws from the Frame Front 5. Remove 4 screws from the Plate (u) frame Panel Removal 6. Remove the Door Switch Housing When reassemble Door Switch to Frame Panel, be careful for insert direction. 7. Lift the Front Panel off the three tabs across the bottom and remove 1. Disconnect the Power Supply to the unit 2. Remove the Top Cover, the Console, and the Front Plate Removal Panel 3. Remove 4 screws from the Plate (u) 14 _ Removal and Reassembly...
  • Page 12 https://appliancetechmanuals.com Part figure Description 1. Disconnect the power supply to the unit 2. Remove the Top Cover, the Console, the front panel and the Plate(u) 3. Separate the wire in the wire Holder (2EA) 4. Disconnect Interior Light wiring Harness 5. Remove the four bulkhead retaining 5 screws. 6. Disconnect the Moisture Sensor wiring Harness front Bulkhead Removal (Continued) 7. Lift Bulkhead from the Cabinet then remove it. 8. Remove 2 screws from the Duct Outlet 9. Remove the Duct Outlet Removal and Reassembly _ 15...
  • Page 13 https://appliancetechmanuals.com Part figure Description 10. Remove Clip and Roller. 11. Remove 2 screws from the Case Filter (B). 12. Remove 1 screw from the Case Filter (F). front Bulkhead Removal 13. Remove the Case Filter (B/F). Make sure the Filter does not get damaged by the Roller. 14. Disconnect 2 Housing Sensor-Plate. 15. Remove 2 Sensor-Plate. 16 _ Removal and Reassembly...
  • Page 14 https://appliancetechmanuals.com Part figure Description 1. Disconnect the Power Ssupply to the unit 2. Remove the Top Cover, the Console, the Front Panel, the Plate(u), and the Front Bulkhead 3. Remove Belt Drum Removal 4. Remove the Drum When reassemble the belt , make it located between 2 red arrows. 1. Disconnect the power supply to the unit 2. Remove the Top Cover, the Console, and the Front Panel 3. Remove 2 Housing Sensor Sensor (Thermistor, Thermostat) Removal 4. Remove the Sensor Do not apply excessive force to the terminal. Removal and Reassembly _ 17...
  • Page 15 https://appliancetechmanuals.com Part figure Description 1. Disconnect the power supply to the unit 2. Remove the Top Cover, the Console, and the Front Panel 3. Removal 6 Housing Heater-Terminals 4. Remove 1 screw from the Heater Heater Removal 5. Separate the Heater from the Drum-back 6. Remove 4 screws from the Thermostats Do not apply excessive force to the terminal. 18 _ Removal and Reassembly...
  • Page 16 https://appliancetechmanuals.com Part figure Description 1. Disconnect the power supply to the unit 2. Remove the Top Cover, the Console, the Front Panel, the Plate(u), the Front Bulkhead and the Drum 3. Remove 2 screws from the Duct Connector 4. Separate the Duct Connector Assy Motor Removal 5. Remove 1 Housing Motor. (Continued) 6. Remove 2 Housing Belt Cut Off Switch. 7. Remove 3 screws from the Motor-Bracket. Removal and Reassembly _ 19...
  • Page 17 https://appliancetechmanuals.com Part figure Description 8. Separate the Motor Assy at the Bottom Plate 9. Remove 1 Nut Fan 10. Remove the Fan Assy Motor Removal (Continued) 11. Remove 3 screws from the Cover-Duct Fan 12. Remove the 2 Spring Plate 13. Remove the 1 screw Belt cut Off Switch 20 _ Removal and Reassembly...
  • Page 18 https://appliancetechmanuals.com Part figure Description 14. Remove the Holder Shaft Assy Motor Removal 15. Remove the Roller-Idler Removal and Reassembly _ 21...
  • Page 19 https://appliancetechmanuals.com Part Figure Description 1. Disconnect the Power Supply to the unit. 2. Remove the Top Cover, the Console, the Front panel, the Plate(u), the Front Bulkhead and the Drum. 3. Remove 8 screws from the Drum-Back. 4. Remove 2 screws from the Valve-Water. 5.
  • Page 20 https://appliancetechmanuals.com Part Figure Description 8. Remove 4 screws from the Air Duct. Be careful of the frame edge. Drum Back Removal 9. Remove the 2 screws from the Guide Nozzle. 10. Remove the 1 screw fron the Assy Thermistor. 3. Remove 1 screw from the Duct-Exhaust. In case the screws for a power code are dropped into the dryer, after removing Duct...
  • Page 21 https://appliancetechmanuals.com Part Figure Description 8. Remove 4 screws from the Air Duct. Be careful of the frame edge. Drum Back Removal 9. Remove the 2 screws from the Guide Nozzle. 10. Remove the 1 screw fron the Assy Thermistor. 3. Remove 1 screw from the Duct-Exhaust. In case the screws for a power code are dropped into the dryer, after removing Duct...
  • Page 22 https://appliancetechmanuals.com Part figure Description 1. Unplug the power cord. 2. Remove 2 door hinge screws. 3. Lift the door and remove it. 4. Remove 2 screws from the Frame Front. 5. Remove the 2 screws from the opposite side of the Door Hinge. DOOR REVERSAL (Continued) 6. Remove 2 screws from the Holder Lever. 7. Reassemble 2 screws on Inside Holes. 8. Remove 1 black screw from the Door Hinge. The black screw is for pre-fixing the Door to the Frame Front. 24 _ Removal and Reassembly...
  • Page 23 https://appliancetechmanuals.com Part figure Description 9. Reassemble the black screw in the other hole. 10. Place the door on the other side and reattach it to the dryer. DOOR REVERSAL 11. Reattach the Holder Lever. 12. Reattach the screws in the Remaining Holes. Reassembly procedures are in the reverse order of dissasembly procedures. Removal and Reassembly _ 25...

  • Page 24: Troubleshooting

    https://appliancetechmanuals.com 4. TROuBLESHOOTING 4-1. ERROR ITEMS AND DIAGNOSTIC CODES An occurrence of an Error will make a sound of error melody for 5sec and continuously show one of the Error Displays from the following errors. Error Display Trigger Action Taken Check for: - Clogged lint screen. The Thermistor resistance is very low or high. Restricted vent system. - Check Thermistor resistance. Check for: - Close the door, and run the dryer. Running the dryer with door open. - Loose or open wire terminals in Door Sense circuit. Check for: Invalid state of key. - Display PCB key circuit short or not. Check for: Invalid power source Frequency. - Not using regular power source frequency. - Invalid power frequency sense circuit.

  • Page 25: Test Mode

    https://appliancetechmanuals.com 4-2. TEST MODE Data display mode How to enter: • After turning on the dryer, press Drylevel Time within 2 seconds to enter the display Time Temp mode. • To change the mode, use the cycle selector. Display mode number 1 Main micom version 2 Display micom version 3 Touch-sensitive module version...

  • Page 26: Trouble Diagnosis

    https://appliancetechmanuals.com 4-3. TROuBLE DIAGNOSIS As the micom dry machine is configured for the complicate structure, there might be a service call. The below information is prepared for exact trouble diagnosis and suitable repair guide. ■ Caution for the repair and replacement Please follow below instruction for the trouble diagnosis and parts replacement. 1. As some electronic components can be damaged by static electricity from the resin part of dryer or the human body, remove the potential difference of the human body and the dryer by contacting the power plug before you start working at PCB. Power supply plug 2. Since AC220~240V is applied to the triac T1 and T2 on P.C.B, the electric shock may occur by touching. Be careful the strong and weak electricity are mixed each other. 3. As the P.C.B assembly is designed for no trouble, do not replace the P.C.B assembly by the wrong diagnosis and follow the procedure of the trouble diagnosis when the micom is not operated normally. Problem What to do • All wires are hooked up to their corresponding terminals.
  • Page 27 https://appliancetechmanuals.com Problem What to do When the dryer is operated on a heat setting, the igniter should be energized and burner shall Will Not Dry Gas Model Poor fire within 45 seconds at 120 VAC. The failure of a component in this system will usually be Gas Ignition indicated by one of three symptoms (No.8, No.9, No.10) If the igniter does not heat up, remove power and using an ohmmeter, check the following: • Open flame sensor • Open igniter The igniter does not glow • Shorted booster coil • Open wiring • Bad motor switch ( Neutral supply) • No power from control ( L1 supply) If the igniter heats up but the main burner flame is not ignited, remove power and using an ohmmeter, check the following: • Open secondary coil Igniter glows - No gas ignition • Open holding coil • Open wire harness • Stuck flame sensor (Stuck closed) If a normal ignition takes place and after a short while the flame goes out, check for the following: • Radiant sensor contacts opening prematurely. The gas is ignited but the • Weak gas valve coil may open when stressed by higher Temps.

  • Page 28: Symptoms, Diagnosis And Actions

    https://appliancetechmanuals.com 4-4. SYMPTOMS, DIAGNOSIS AND ACTIONS ■ The power does not work. Set the input AC voltage. Neutral (Check AC 120/240V) Is the input AC Earth voltage normal? 120V 240V Directly connect the terminal block. Neutral (Connect in the order of Live 2, Neutral, Is the terminal block Live 1) Earth connection normal? Connect the housing. (Check 120V for AC power) Is the housing connection normal? Check the flat wire. Is the flat wire among the main sub PCBs in good condition? Replace the sub PCB. (Check DC power, signal and key) Is the sub PCB normal? The problem is in the main PCB assembly. Please replace it.
  • Page 29 https://appliancetechmanuals.com ■ The drum does not work. Press the Start button. (Start/Pause is repeated) Is the Start button Close the door. (Check whether the door S/W is pressed) Is the door closed properly? Check the wire connection of the power supply. Is the connection to the door S/W (Check the contact point and connected normal? condition of the door S/W) Check if the connector is normal. (Normal: Check whether it is 0Ω when the Is the thermostat power is unplugged) normal? 1. Check the belt cut S/W and connected Is the connected condition. (Normal: Check whether it is 0Ω when the condition of the belt power is unplugged) normal? Belt cut-off S/W 2. Check the connected condition of the motor, idler and drum belt. Check whether the motor protector is operating. Is the motor normal? (Check for overload, drum constraint, centrifugal S/W etc.)
  • Page 30 https://appliancetechmanuals.com ■ The clothes are not dried. Install the vent so that it is not blocked to the outside. (Check the exhaust hole) Is the vent properly installed? Clean the filter. (Check if there are any alien particles in Did you clean the the filter) filter before drying? Connect the terminal block properly. Neutral (Check the connection of Live 2, Neutral, Is the terminal block Live 1) connection normal? Earth Connect the touch sensor. (Check the PCB and touch sensor) Is the touch sensor u For further instructions, please refer to normal? 38 page “ Sensor Bar &Temperature Sensor check” Replace the thermistor (Check the connection between the Is the Tamp. Sensor PCB and termistor and check for any normal? disconnection) u For further instructions, please refer to 38 page “...
  • Page 31 https://appliancetechmanuals.com ■ The lamp does not work. Replace the door S/W. (Door operation of door S/W) Is the door S/W structurally on/off? Connect the power properly. (Check the connection between terminal Is the power block and door S/W) connection normal? Replace the lamp. (Check for disconnection of lamp and socket) Is the lamp normal? Check if the input voltage is properly coming in. Neutral Earth Troubleshooting _ 33...
  • Page 32 https://appliancetechmanuals.com ■ There is an abnormal noise in the dryer. Reassemble the door seal. Do you hear a (Check the assembled condition of the door whistling sound from seal and check the door lever) the door seal? 1. Check the roller. (Check the roller that supports the drum Does the noise come and rotates) from the drum? 2. Check the drum. (Check if the drum welding is cracked) 1. Check the rotating part of the idler. (Idler bracket bending, bracket screw) Is there an abnormal noise in the motor part? 2. Remove any alien particle on the wings of the fan. (Noise can be generated from the unbalance of the fan due to alien particle on the fan. Check the tightened condition of the nut.) 1. Noise from drum back and heater duct Is there an abnormal movement.

  • Page 33: Component Testing Procedures

    https://appliancetechmanuals.com 4-5. COMPONENT TESTING PROCEDuRES WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. ■ Component electrical testing (with ohmmeter) • Thermistor resistance 10K Ω at 25°C 77°F (2P-Blue & Red wire) • Thermostat 1 resistance < 1Ω (White & Yellow wire) Thermistor Thermostat 1 85 °C, 25A thermal cut-off • Thermostat 3 resistance < 1Ω (Red & Black wire) - If resistance is infinity, replace thermostat 3. • Thermostat 2 resistance < 1Ω (Blue & Black wire) - If resistance is infinity, replace thermostat 2. • [DUAL] Heater resistance 13 Ω (PIN 2-3) Heater resistance 34 Ω (PIN 1-2) - If resistance is infinity, replace Heater. • [SINGLE] Heater resistance 10 Ω (PIN 1-3) - If resistance is infinity, replace Heater. • Measure resistance of the following terminal Door S/W 1. Door switch knob: open Terminal : “COM” - “NC” (1-3) < 1Ω...
  • Page 34 https://appliancetechmanuals.com ■ Centrifugal Switch (Motor) 2.88Ω between Pin# 3 and 4 3.5Ω between Pin# 4 and 5 ■ Thermistor 238.23 Ω @ 25°C 77 ■ GAS MODEL Radiant Sensor(10RS) • Resistance value < 1 Ω • If resistance is replace Radiant sensor 120V Igniter(101D) •...
  • Page 35 https://appliancetechmanuals.com ■ Sensor Bars & temperature sensor check Sensor Bars Disconnect harness and test Pink wire Pin 4 to Orange wire Pin 5. • Approx ∞ Ω without laundry • Approx. 10 Ω ~ 100 MΩ with wet clothes Cycling Thermistor1 Disconnect harness and test Blue wire Pin 3 to Red wire Pin 6.
  • Page 36 https://appliancetechmanuals.com 38 _ PCB Diagram...

  • Page 37: Detailed Descriptions Of Contact Terminals (Main Pcb)

    5-2. Detailed descriptions of contact terminals (MAIN PCB) This Document can not be used without Samsung’s authorization. PCB Diagram _ 39...

  • Page 38: Sub Pcb

    5-3. SuB PCB This Document can not be used without Samsung’s authorization. Location Part No. function Description Buzzer Circuit Be generated sound when Key is pressed or the encoder is operated. Receives power from the Main PBA and provides a communications function. CN202 Connect Main PBA Drum Light Circuit It controls drum light LED On/Off CN701 Connect Touch Sensor Supplys power to touch sensor and provides a communications function. CN402 40 _ PCB Diagram...

  • Page 39: Detailed Descriptions Of Contact Terminals (Sub Pcb)

    5-4. DETAILED DESCRIPTIONS Of CONTACT TERMINALS (SuB PCB) This Document can not be used without Samsung’s authorization. ► CN202 1. Communications Port(Tx) 2. Communications Port(Rx) 3. Reset Signal input ► CN701 4. 5V 1. 12V 5. GND 2. Unused pin 6. 12V 3. Drum light control pin ► CN402 1. 12V 2. GND 3. Touch communication Port (SDA) 4. Touch communication Port (SCL)
  • Page 40 6-2. WIRING DIAGRAM (DV50K7500G*, DV45K6500G*, 6200G*) This Document can not be used without Samsung’s authorization. Reference Information BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKYBLU SKYBLUE VIOLET WHITE YELLOW Wiring Diagram _ 43...
  • Page 41 6. WIRING DIAGRAM 6-1. WIRING DIAGRAM (DV50K7500E*, DV45K6500E*, 6200E*) This Document can not be used without Samsung’s authorization. Reference Information BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKYBLU SKYBLUE VIOLET WHITE YELLOW 42 _ Wiring Diagram...
  • Page 42 DV50K7500EV/AC DV50K7500EV DV50K7500EW/A3 DV50K7500EW DV45K6500EV/A3 DV45K6500EV DV45K6500GV/A3 DV45K6500GV DV45K6500EW/A3 DV45K6500EW DV45K6500GW/A3 DV45K6500GW DV45K6500EV/AC DV45K6500EV DV45K6500EW/AC DV45K6500EW DV45K6 DV45K6200EZ/A3 DV45K6200EZ DV45K6200GZ/A3 DV45K6200GZ DV45K6200EW/A3 DV45K6200EW DV45K6200GW/A3 DV45K6200GW DV45K6200EZ/AC DV45K6200EZ DV45K6200EW/AC DV45K6200EW DV45K6500EW/AC DV45K6500EW This document can not be used without Samsung's authorization”...

  • Page 43: Table Of Contents

    https://appliancetechmanuals.com CONTENTS 1. Safety Instructions ..............1 1-1.
  • Page 44 6-2. WIRING DIAGRAM (DV50K7500G*, DV45K6500G*, 6200G*) This Document can not be used without Samsung’s authorization. Reference Information BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKYBLU SKYBLUE VIOLET WHITE YELLOW Wiring Diagram _ 43...
  • Page 45 6. WIRING DIAGRAM 6-1. WIRING DIAGRAM (DV50K7500E*, DV45K6500E*, 6200E*) This Document can not be used without Samsung’s authorization. Reference Information BLACK BLUE GREEN GRAY NATURAL ORANGE PINK SKYBLU SKYBLUE VIOLET WHITE YELLOW 42 _ Wiring Diagram...

  • Page 46: Wiring Diagram

    https://appliancetechmanuals.com 6. Reference Information Wiring Diagram Elec Models Gas Models...
  • Page 47 https://appliancetechmanuals.com 6. Reference Information Component Check Parts Image Description Value [Electric] Unplug connector and test from wire insertion side. Thermistor 10 KΩ @ 77° F/25°C Pin #2 and Pin #6 of CN6 Unplug connectors and test switch terminals. Door open terminals COM to NC Infinity Less than 1 Ω...
  • Page 48 https://appliancetechmanuals.com 6. Reference Information Component Check Parts Spec Description Value Thermostat 1 [Electric] Thermostat Cut Off Less than 1 Ω Thermostat 1 Unplug connector and measure its resistance 185°F/85°C, 25A Hi Limit 260°F/127°C, 25A Less than 1 Ω Thermostat 2 (Electric) Unplug connector and measure its resistance 230°F/110°C, 25A...
  • Page 49 https://appliancetechmanuals.com 6. Reference Information Main PBA Layout (The Principle Part) ④ ⑤ ① PIN8 → PIN1 PIN1 → PIN3 PIN6 → PIN1 ⑥ PIN7 → PIN1 ② ⑦ PIN3 → PIN1 PIN4 → PIN6 ⑧ ③ ⑨...
  • Page 50 https://appliancetechmanuals.com 6. Reference Information Location Part No. Function Description CNP103 AC CONNECTION CONNECTOR Supplies AC power to the PBA RY401 MOTOR RELAY SWITCH The relay used for motor control RY402 HEATER RELAY SWITCH The relay used for heater control The connector that controls communications with the Sub CNC804 SUB PBA COMMUNICATION PBA corresponding to the Display...
  • Page 51 https://appliancetechmanuals.com 6. Reference Information Schematic Diagram of Main PBA ( DOUBLE CLICK A FICTURE FOR THE DETAIL)
  • Page 52 https://appliancetechmanuals.com 6. Reference Information Connector & Relay Terminal Description (Main PBA) CNC 804 1. Rx CNP103 2. Tx PIN1 - AC POWER Port 3. SUB_RESET PIN2 – Door Detection Sensor 4. 5V PIN3 – Motor Switch Check 5. GND 6. 12V CNC 503 1.
  • Page 53 https://appliancetechmanuals.com 6. Reference Information Sub PBA Layout (The Principle Part) ② ③ ④ ⑥ ⑤ ① Location Part No. Function Description SUB BZ2 Buzzer Circuit Be generated sound when Key is pressed or the encoder is operated SUB CN202 Connect Main PBA Receives power from the Main PBA provides a communications function SUB CN701 Drum Light Circuit...
  • Page 54 https://appliancetechmanuals.com 6. Reference Information Schematic Diagram of Sub PBA ( DOUBLE CLICK A FICTURE FOR THE DETAIL)

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