LG GR-K13PBQ Owner's Manual
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LG GR-K13PBQ Owner's Manual

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This Owner's Manual is provided and hosted by Appliance Factory Parts.
LG GR-K13PBQ
Owner's Manual
Shop genuine replacement parts for LG GR-K13PBQ
Find Your LG Refrigerator Parts - Select From 834 Models
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Summary of Contents for LG GR-K13PBQ

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG GR-K13PBQ Owner's Manual Shop genuine replacement parts for LG GR-K13PBQ Find Your LG Refrigerator Parts - Select From 834 Models -------- Manual continues below --------...
  • Page 2 Chapter 1 Safety Warnings and Cautions Chapter 1 Always observe SAFETY WARNINGS and CAUTIONS, which are intended to ensure safety while repairing or operating the product. Hazards are separated into Warnings and Cautions, as explained below. WARNING means a dangerous condition which could result in significant Warning damage, injury or death if tinstructions are followed.
  • Page 3 Warning This product should always be grounded. Do not store flammable liquids or gases in the storage. • The product is equipped with a 3-wire grounding cord which should be plugged into a • Storing gasoline, ether, benzene, alcohol, etc. properly wired outlet.
  • Page 4 Caution Do not place bottles or cans in the storage. Always use exact replacement parts. • There is a possibility they could freeze, causing • Make certain replacement parts are the correct the container to burst. This could present a part by part number and model number.
  • Page 5 Standards of Product Chapter 2 Product Specifications Chapter 2 1. GR-K13PBQ ITEM SPEC Usable Volume 132 l (4.66 ft Volume Left compartment 66 l (2.33 ft Right compartment 66 l (2.33 ft 713 mm (28 inches) Width Outside 714 mm (28 inches)

  • Page 6: Product Installation Method

    Product installation method Chapter 3 Product Installation Method Chapter 3 1. Method to adjust height of storage Adjust the level of storage. (If the floor is uneven, the storage may vibrate or cause noise.) Adjust the front level by turning the height adjutsment screws under the front corners. Tilting the unit slightly backward may make this easier.

  • Page 7: Grounding Method

    Product Installation Method 2. Grounding method Plug the cord into a 110 V grounded outlet. If you are unsure of the voltage or grounding integrity, consult a qualified electrician. CAUTION! Take care not to ground the circuit at one of the following places: 1.

  • Page 8: Circuit Diagram

    Circuit Diagram Chapter 4 Circuit Diagram Chapter 4 DISPLAY (LEFT COMPARTMENT) DISPLAY (RIGHT COMPARTMENT) SENSOR WH/BK PK SB WH GY PR BL YL BO RD BN BK BO RD BN BK WH/RD BL/WH WH/BK PK SB WH GY PR BL YL BO RD BN BK BO RD BN BK WH/RD BL/WH...
  • Page 9 Circuit Diagram FUNCTION TEST METHOD CAUTION 1. The failure diagnosis function assists in determining the type of failure. 2. If a failure occurs, the control panel buttons do not work and the alarm sounds a ding. The POWER button will still function. 3.

  • Page 10: Micom Function And Description Of Circuit

    MICOM Function and Description of Circuit Chapter 5 MICOM Function and Description of Circuit Chapter 5 1. Description of Function 1) Display part Left Compartment Mul-Kimchi Mature Kimchi Time Remaining Time of Maturation Radish-Kimchi Stand. Meat/Fish Cabbage-Kimchi Fresh Vegetable/Fruit Lock Select Select Select...
  • Page 11 MICOM Function and Description of Circuit 2) Food Storage/Maturation function (1) In selection of Food Storage Press Select Press Select Type of Lock/Unlock temperature Lock/Unlock Food to release lock section button once Start of Function Wait 60 seconds 1. Press Lock/Unlock to release the lock. 2.
  • Page 12 MICOM Function and Description of Circuit (3) In selection of power On/Off function Press and hold Power Off Power On Press Press power the Power Completion of Completion of button for one Lock/Unlock button Selection selection second. 1. Press Lock/Unlock to release lock. 2.
  • Page 13 MICOM Function and Description of Circuit 2. If the temperature in either compartment is unsatisfactory, the compressor is turned on and the 3-way valve is opened. 3. If the temperature in both compartments is unsatisfactory, the compressor is turned on and runs until both compartments become satisfactory.
  • Page 14 MICOM Function and Description of Circuit 7) Operation in response to Ambient Temperature The storage senses the ambient temperature and adjusts the temperature in the compartments accordingly. This keeps the storage from bing too cold or too warm because of seasonal variations and maintains exact temperatures in the compartments.
  • Page 15 MICOM Function and Description of Circuit 9) Failure diagnosis function 1. The failure diagnosis function assists in determining the type of failure. 2. If a failure occurs, the control panel buttons do not work and the alarm sounds a ding. The POWER button will still function.
  • Page 16 MICOM Function and Description of Circuit 10) Test Function 1. The test function checks the functions of the PCB and the storage, searching for failure indications. 2. The test switch on the PCB operates the test mode. The storage reverts to the normal mode after 2 hours if you forget to end it manually.

  • Page 17: Power Circuit

    MICOM Function and Description of Circuit 2. Description of Circuit 1) Power circuit +12V FUSE2 CON1 FR302 D3SBA60 TRANS POWER /275Vac 64 VDD 7805 VAREF 56K,2W 1.8K /630V 9.1KF 14D271 FR107 1/4W IC4-2 47uF 1.5K /450V /100Vac 680uF 100K 220uF CC15 (MICOM) (MICOM)
  • Page 18 MICOM Function and Description of Circuit 4) Load/buzzer driving circuit (1) Load driving circuit CON1 POWER RUNNING CAPACITOR COMP IC7-1 DH12DI-O-Q KID65003AP PTC START IN4004 M-FAN G5S-1 (MICOM) Condensation Heater IN4148 Right Ripening Heater G5N-1 IN4148 CON2 G5N-1 Left Ripening IN4148 Heater CON3...
  • Page 19 MICOM Function and Description of Circuit 5) Switch input circuit The switch input circuit detects the test switch signal. RA1-3 4.7K*10 (MICOM) TEST (SI2) 6) Temperature sense circuit The temperature sense circuit consists of a sensor to detect the outside (ambient) temperature and sensors in the left and right compartments for storing/ripening kimchi.

  • Page 20: Power Failure Compensation Circuit

    MICOM Function and Description of Circuit 7) Stepping Motor Operation Circuit (3-way Valve) TD62308AP CON4 VCC1,2 RA1-1 9,16 4.7K*10 3-way Valve (MICOM) 4,5,12,13 The rotation of the 3-way valve is controlled by the output of pins 38~41 of IC1. Changes in these outputs rotate the valve. Explanation) The stepping motor is driven by lC8.
  • Page 21 MICOM Function and Description of Circuit 9) Keeping temperature compensation and excessive cold/weak cold cut compensation circuit (1) Keeping temperature compensation RA2-1 Left storage 10K*10 temperature compensation (AIN5) Right storage (AIN6) temperature compensation This circuit is a circuit to input the temperature compensation level required for adjusting storage temperature at the left or right compartment.
  • Page 22 MICOM Function and Description of Circuit Example) If changing the resistance of compensation at left compartment (RCL) to 18 K (current resistance) from 10 K (modification resistance), storage temperature at the left compartment increases by +1° C . Current 470 Ω Division 2 KΩ...
  • Page 23 MICOM Function and Description of Circuit (2) Excessive cold/Weak cold cut compensation RA2-2 10K*10 JCL1 JCL2 (MICOM) JCR1 (AIN4) JCR2 (AIN3) Left compartment cut compensation Left compartment keeping temperature Excessive cold compensation Weak cold compensation compensation value JCL1 JCL2 +2° C -2°...
  • Page 24 MICOM Function and Description of Circuit 10) Button input and displaying part illumination circuit (1) Left Compartment 4.7K...
  • Page 25 MICOM Function and Description of Circuit (2) Right Compartment The above circuit is a circuit to determine pressing status of the function adjustment button at the operation display part and to turn the LED for displaying function on, whose driving method is a scan method.

  • Page 26: Sensor Resistance Characteristics Table

    MICOM Function and Description of Circuit 3. Sensor Resistance Characteristics Table Measuring Temperature(°C) Left Sensor, Right Sensor -20° C 77 KΩ -15° C 60 KΩ -10° C 47.3 KΩ -5° C 38.4 KΩ 0° C 30 KΩ +5° C 24.1 KΩ +10°...
  • Page 27 MICOM Function and Description of Circuit 4. PCB parts Drawing and List 1) Parts Drawing of MAIN PCB Assembly...

  • Page 28: Parts List

    MICOM Function and Description of Circuit 2) Parts List SPEC' MAKER REMARK SPEC' MAKER REMARK DWG. NO. DESCRIPTION DWG. NO. DESCRIPTION 6870JB2052A t=1.6 OMRON PWB,MAIN FR-1(DS-1107A) DOO SAN 6920JB2003A G5N-1A RY2,3 RELAY 6170JB2010B EER2828/2.3mH TRANS 6920JB2003B NAIS ALD112 TRANS,SMPS(COIL) OMRON 6920JB2009A G5S-1A 0ISK655100A...
  • Page 29 MICOM Function and Description of Circuit SPEC' MAKER REMARK SPEC' MAKER REMARK DWG. NO. DESCRIPTION DWG. NO. DESCRIPTION ELE' CAP(HE) 0RS5602K600 OCE476AK638 56K,2W 47uF/450V (HE,105 C) R,METAL 82K,1W 0RS082J609 OXIDE FILM 1000uF/35V SAM HWA 0CE1087J690 1 ,1W 0RS0101J609 Rocp 0CE1087H638 ELE' CAP 1000uF/25V (RX,105 C)
  • Page 30 MICOM Function and Description of Circuit MAKER MAKER DWG. NO. DESCRIPTION SPEC' REMARK DWG. NO. DESCRIPTION SPEC' REMARK JCL1 0RD1501G609 1.5K, 1/4W JCL2 0RD1801G609 1.8K, 1/4W JCR1 R14,15,18,27,30 0RD2001G609 2K ,1/4W JCR2 43607015 JUMP WIRE 0.6X10mm 0RD2001G609 2.2K,1/4W R5,12,19~26,29 R,CARBON FILM J1,3~12,20~22 4.7K, 1/4W ORD4701G609...
  • Page 31 MICOM Function and Description of Circuit 5. PCB Circuit drawing The Circuit may vary slightly depending on market area. +12V FR302 D3SBA60 TRANS /275Vac 7805 CON1 55 VAREF 56K,2W 1.8K /630V 9.1KF 14D621 FR107 1/4W IC4-2 47uF FUSE2 /450V 1.5K /100Vac 680uF 100K...
  • Page 32 CON5 CON101 RT-SENSOR 10KF (AIN0) CC12 IC10 KID65783 D101 (XTOUT) D102 D103 D104 D105 D106 1N4004X6 D107 D108 D109 D110 D111 D112 1N4148X6 IC11 KID65003AP 4.7K (XTIN) Kimchi Meat/Fish Vegetable/Fruit (1/2W) R101 4.7K (INT5/STOP) Cabbage Radish (1/2W) R102 Fresh Stand. Mature (1/2W) R103...
  • Page 33 Refrigeration Cycle and Refrigerant Chapter 6 Refrigeration Cycle and Refrigerant Chapter 6 1. Cold Cycle (Cold principle/refrigerant gas circulation drawing) 1) Principle of Refrigeration Refrigeration is operation to maintain at a lower temperature (less than 0°C) than natural temperature (usually ambient temperature) and for maintaining this temperature, the circulation circuits (compressor, condenser, evaporator) for operating phase change of refrigerant and the refrigerant (R134a) for absorbing heat and the insulated space are required.
  • Page 34 Refrigeration Cycle and Refrigerant 2. Reference Drawing for Soldering Evaporator Evaporator (Right Compartment) (Left Compartment) Accumulator Suction Pipe 3-Way Check Valve Valve Drier Condenser Type of Soldering Part Applied Remarks Copper soldering Silver soldering...
  • Page 35 Method of Repairing Cold Cycle Chapter 7 Method of Repairing Cold Cycle Chapter 7 1. Failure Check Procedure Rotation of Compressor Check rotation Check right Cool wall Normal of compressor compartment Clogging of Slightly cool moisture Poor operation of 3-way valve Clogging of Clogging of capillary Non-cool wall...
  • Page 36 Method of Repairing Cold Cycle 2. Cautions for Repair Service 1) Clogging and leakage of cycle • For parts replacement and soldering due to clogging and leakage of cycle or re-capsulation of refrigerant, always replace dryer to remove moisture inside of cycle. Clogging of cycle and Repair of clogging part Vacuum and...
  • Page 37 Method of Repairing Cold Cycle 4) Refrigerant valve (3-way valve) (1) Function The refrigerant valve (3-way valve) directs the refrigerant to the right or left compartment. Evaporator Capillary Tube (left compartment) Refrigerant valve (left compartment) Condenser Capillary Tube(right compartment) Back-flow Evaporator protection valve (right compartment)
  • Page 38 Method of Repairing Cold Cycle (3) Principle of operation The 3-way valve directs the refrigerant to either or both compartments by rotating a control part within the valve body. By addressing the stepping motor, precise control is obtained. Left and Right Right Compartment (Only) Left and Right Left Compartment (Only)
  • Page 39 Understanding of Characteristics of Every Parts Chapter 8 Understanding of Characteristics of Every Parts Chapter 8 1. Heater (1) Summary: Several heaters are used to remove or prevent frost on the evaporator while the storage is in operation. They also keep condensation from forming. (2) Type and function of heater Division Applied Section...

  • Page 40: Warnings For Disassembling Product

    Warnings For Disassembling Product Chapter 9 Warnings For Disassembling Product Chapter 9 1. Main PCB Assembly • When removing the Main PCB from the storage, disassemble it carefully and do not let the lead wires touch any part of the PCB. •...

  • Page 41: Exploded View And Parts List

    Exploded view and Parts List Chapter Exploded view and Parts List Chapter 1) Exploded View GR-K13PBQ 270A 200A 270C 201A 270B 271A 270C 203A 231A 604E 604G 230A 619A 618A 501A 319C 420A 329C 502B 317A 411A 323B 619B 327A...
  • Page 42 Exploded view and Parts List 249A 249J 243A 249B 249H 241A 249C 249D 249E 248A 503A 407A 408A 503F 503D 503B 503C 503E 102A 103A 102A 103A...

  • Page 43: Service Parts List

    Exploded view and Parts List 2) Service Parts List Location No. Description Part No. Quantity 102A LEG ASSY 4779JA3003B 103A LEG ADJUST 4980JA3047A 200A DOOR ASSY, L 3581JA8418Q 201A DOOR FOAM ASSY, L 5433JA0057P 203A GASKET ASSY, DOOR 4987JA2005C 230A DOOR ASSY, R 3581JA8419Q 231A...
  • Page 44 Exploded view and Parts List Location No. Description Part No. Quantity 329C FAN ASSY 5901JA1007A 407A CAPACITOR, R 0CZZJB2003F 408A HOLDER CAPACITOR 4930JA2040A 411A POWER CORD ASSY 6411JB2025C 420A MOTOR, COOLING 4860JB1017Q 501A PWB ASSY, MAIN 6871JB1090H 502B CASE ASSY, PWB 3111JA2009A 503A FRAME ASSY, DISPLAY...

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