LG Electronics LRTN19310, LRTN22310 service manual PCB Function, Power Circuit

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7-2 PCB FUNCTION

7-2-1 Power Circuit

1. Power is supplied to the control board at pins 1 and 5 of connector #4.

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Contents Refrigerator Safety Precautions ContentsItems Specifications SpecificationsRef. No Cuft / 22Cuft Rack Parts IdentificationIce Bin Freezer ShelfFreezer Door DisassemblyDoor Switch DoorControl BOX-REFRIGERATOR Defrost Control AssemblyFAN and FAN Motor LampCompressor AdjustmentPTC-STARTER Role of the OLP OLP Overload ProtectorTo Remove the Cover PTC Definition of OLPGood Model Circuit DiagramCompressor and Electric Components TroubleshootingPTC and OLP Poor cooling performance Other Electric ComponentsNot cooling at all Compressor doesnt run Check for open short or CauseComplaint Points to be Checked Remedy Service Diagnosis ChartCause State Temperature Remarks Unit Evaporator CompressorTroubleshooting Chart Refrigerating CycleGeneral Control of Refrigerating Cycle Items Unit Standards Purposes RemarksHeater OFF FunctionFreezer FAN DefrostDefect Signs Contents Remarks Mode Manipulation Contents Remarks PCB Function Power CircuitLoad Drive Condition Check Load / Buzzer Drive & Open Door Detection CircuitOpen Door Circuit Door Monitor Circuit Temperature Sensor Circuit + 30 ˚C 86 F Resistance Specification of SensorComplaint Symptom Possible Causes Solution Main PWB Assembly Case Parts Exploded View & Replacement Parts ListFreezer Parts Refrigerator Parts On some models Door PartsNo JL8015A

LRTN19310, LRTN22310 specifications

LG Electronics has consistently been at the forefront of home appliance innovation, and the LRTN22310 and LRTN19310 refrigerator models exemplify this commitment. Both models are designed to cater to the needs of modern consumers, combining functionality with cutting-edge technology.

The LG LRTN22310 is a 22 cubic feet top-freezer refrigerator that stands out with its sleek design and user-friendly features. It includes energy-efficient LED lighting that brightens every corner, allowing users to easily find what they need. The Smart Inverter Compressor technology is a key highlight, adjusting cooling power based on the amount of food stored, which leads to significant energy savings and quieter operation.

In addition to its energy efficiency, the LRTN22310 features a multi-air flow system that ensures consistent temperatures throughout the refrigerator, keeping food fresher for longer. Its spacious interior with adjustable shelves allows for flexible storage solutions, accommodating large items with ease. The model also offers a humidity-controlled crisper, ideal for preserving fruits and vegetables at their peak freshness.

On the other hand, the LG LRTN19310, with 19 cubic feet of storage capacity, is a more compact option that does not compromise on efficiency or performance. This model also incorporates the Smart Inverter Compressor, providing optimal cooling without excessive noise. The LED interior lighting and multi-air flow technology are consistent features, ensuring food stays fresh and visible.

The LRTN19310’s sleek shelving system is designed to maximize storage space, while its easy-access freezer compartment allows for convenient organization of frozen items. The refrigerator's stylish exterior adds to its appeal, making it an attractive addition to any kitchen.

Both models highlight LG's commitment to sustainability and innovation. Equipped with smart technologies, such as energy-efficient compressors and advanced cooling systems, they provide consumers with eco-friendly choices. The combination of practical features, modern aesthetics, and advanced technology makes the LG LRTN22310 and LRTN19310 ideal selections for anyone looking to upgrade their kitchen appliances.

In conclusion, the LG LRTN22310 and LRTN19310 refrigerators not only meet the diverse demands of today’s households but also reflect LG’s dedication to quality and innovation in home appliances. Their blend of efficiency, style, and advanced features supports the modern lifestyle, ensuring food is kept fresh while minimizing energy consumption.