LG 49LS75C Owner's Manual page 36

Make sure to read the Safety Precautions before using
the product.
The model and serial numbers of the SET are located on
the back and one side of the SET. Record it below should
you ever need service.
MODEL
SERIAL
Supplier's Declaration of Conformity
Trade Name LG
Responsible Party LG Electronics USA, Inc.
Address 111 Sylvan Avenue, North
Building, Englewood Cliffs, NJ
07632
E-mail lg.environmental@lge.com
Temporary noise is normal when powering ON or OFF
this device.