LG PB60G Service Manual page 31

Features - Twin XD Engine
Two XD Engines reproduce more details & vivid color by adjusting picture quality twice in circuit and
in LED control Board. in LED control Board
Twin XD engine is premium picture control engine made from LGE's 10 years picture quality technology.
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
– Twin XD Engine, Decanting Color twice
LGE Internal Use Only