Table Of Contents - LG LFX25973 Series Service Manual

CONTENTS
1. SPECIFICATIONS ............................................................................................................................................ 3
2. PARTS IDENTIFICATION ................................................................................................................................ 4
3. DISASSEMBLY ........................................................................................................................................... 5-16
REMOVING AND REPLACING REFRIGERATOR DOORS ............................................................................ 5
DOOR ............................................................................................................................................................... 6
DOOR ALIGNMENT ........................................................................................................................................ 7
FAN AND FAN MOTOR(EVAPORATOR) ....................................................................................................... 7
DEFROST CONTROL ASSEMBLY ................................................................................................................. 7
LAMP ............................................................................................................................................................... 8
MULTI DUCT ................................................................................................................................................... 8
MAIN PWB........................................................................................................................................................ 8
DISPENSER .................................................................................................................................................... 9
DISPLAY PCB ................................................................................................................................................. 9
ICE BUTTON ASSEMBLY ............................................................................................................................... 9
WATER BUTTON ASSMEBLY ........................................................................................................................ 9
ICE COMPARTMENT DOOR REPLACEMENT .............................................................................................. 9
ICEMAKER REPLACEMENT ........................................................................................................................ 10
SUB PWB FOR WORKING DISPENSER ..................................................................................................... 10
CAP DUCT MOTOR REPLACEMENT ........................................................................................................... 11
HOW TO REMOVE THE ICE BIN ................................................................................................................. 12
HOW TO INSERT THE ICE BIN .................................................................................................................... 12
HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER .......................................................... 13-14
WATER VALVE DISASSEMBLY METHOD .................................................................................................. 15
FAN AND FAN MOTOR DISASSEMBLY METHOD ...................................................................................... 15
FREEZER DRAWER ..................................................................................................................................... 16
4. ADJUSTMENT ............................................................................................................................................... 17
COMPRESSOR ............................................................................................................................................. 17
5. CIRCUIT DIAGRAM ....................................................................................................................................... 18
6. TROUBLESHOOTING ...............................................................................................................................19-20
ERROR CODE SUMMARY .......................................................................................................................19-20
7. PCB PICTURE .......................................................................................................................................... 21-22
MAIN PCB ...................................................................................................................................................... 21
DISPLAY PCB & SUB PCB .......................................................................................................................... 22
8. TROUBLESHOOTING WITH ERROR DISPLAY ..................................................................................... 23-31
9. TROUBLESHOOTING WITHOUT ERROR DISPLAY .............................................................................. 32-40
10. REFERENCE .......................................................................................................................................... 41-44
11. COMPONENT TESTING INFORMATION .............................................................................................. 45-53
12. COMPRESSOR TROUBLESHOOTING.................................................................................................. 54-65
13. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER (ICE ROOM) ................................ 66-69
14. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER (FREEZER ROOM) ..................... 70-73
15. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM ....................................................................... 74-77
FUNCTION ............................................................................................................................................. 74-77
16. EXPLODED VIEW ...................................................................................................................................... 1-7
SAFETY PRECAUTIONS
Please read the following instructions before servicing your
refrigerator.
1. Unplug the power before handling any elctrical
componets.
2. Check the rated current, voltage, and capacity.
3. Take caution not to get water near any electrical
components.
4. Use exact replacement parts.
5. Remove any objects from the top prior to tilting the
product.
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