LG 19LH20R Owner's Manual page 38

The model and serial number of the TV is located
on the back and one side of the TV.
Record it below should you ever need service.
MODEL
SERIAL
The extended owner's manuals that contain informa-
tion on the advanced features of this LG TV are
located on the CD-ROM provided in an electronic
version.
To read these files, you will need to use the personal
computer (PC) equipped with a CD-ROM drive.