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LFC20770SW
LG LFC20770SW User Manual
94 pages
Manual
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7-2 PCB FUNCTION
CON 1
CON 3
CON 2
CON 8
CON 9
CON 7
CON 6
CON 5
CON 4
- 26 -
26
28
Table of Contents
Default Chapter
2
Table of Contents
2
Safety Precautions
2
1 Specifications
3
2 Parts Identification
5
3 Disassembly
6
Fan and Fan Motor
6
Defrost Control Assembly
6
Led
6
Display
7
Multiduct
7
Cover Valve
8
Door Disassembly
9
How to Remove the Door Handle
11
How to Remove the Pillar
13
How to Remove Pull out Drawer
14
Closing and Aligning the Doors
16
4 Adjustment
17
Compressor
17
E-PTC-Starter
17
OLP (Overload Protector)
18
5 Operation Principle and Repair Method of Icemaker
19
Operation Principle
19
Icemaker Functions
20
6 Circuit Diagram
23
7 Circuit of Micom
25
Function
25
PCB Function
27
8 Troubleshooting
28
Compressor and Electric Components
28
E-PTC and OLP
29
Other Electrical Components
30
Service Diagnosis Chart
31
Refrigeration Cycle
32
PCB Picture
34
Troubleshooting with Error Display
38
Troubleshooting Without Error Display
59
Appendix
82
9 Exploded View
88
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LG LFC20770SW Specifications
General
Ice Maker
Yes
Water Dispenser
Yes
Energy Star Rated/Certified
Yes
Height
69.8 in.
Color/Door Finish
White
Type
French Door Refrigerator
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