LG LBC24360ST Service Manual - Page 2

CONTENTS WARNINGS AND SAFETY PRECAUTIONS 2 1. SPECIFICATIONS 3 2. PARTS IDENTIFICATION 4 3. DISASSEMBLY 6 3-1 Removing and replacing refrigerator door 6 3-2 Door ...6 3-3 Door Alignment 7 3-4 Fan and fan motor (Evaporator 7 3-5 Defrost Control Assembly 7 3-6 Lamp 8 3-7 MultiDuct 8 3-8 Main PWB 8 3-9 How to remove and reinstall de pullout drawer 9 3-10 Pullout Drawer 11 4. COMPRESSOR ELECTRICAL 12 4-1 Compressor Freezer Drawer model 12 4-2 Compressor Freezer Swing model 13 4-3 PTC-Starter 13 4-4 OLP (Overload Protector 14 5. CIRCUIT DIAGRAM 15 6. PCB PICTURE 17 6-1 Main PCB 17 6-2 Display PCB&Sub PCB 18 7. TROUBLESHOOTING WITH ERROR DISPLAY 19 8. TROUBLESHOOTING WITHOUT ERROR DISPLAY 29 9. REFERENCE ...35 10. COMPONENT TESTING INFORMATION 39 11. COMPRESSOR TROUBLESHOOTING 43 12. ICE MAKER AND DISPENSER 55 12-1 Operation principle 55 12-2 icemaker functions 56 13. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 59 14. EXPLODED VIEW 64 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator. 1. Check the refrigerator for current leakage. 2. To prevent electric shock, unplug before servicing. 3. Always check line voltage and amperage. 4. Use standard electrical components. 5. Don't touch metal products in the freezer with wet hands. This may cause frost bite. 6. Prevent water from spiling on to electric elements or the machine parts. 7. Before tilting the refrigerator, remove all materials from on or in the refrigerator. 8. When servicing the evaporator, wear gloves to prevent injuries from the sharp evaporator fins. 9. Service on the refrigerator should be performed by a qualified technician. Sealed system repair must be performed by a CFC certified technician. 2