LG 42PQ30 Training Manual page 91

Left and Right X Drive (Commonly known as A - BUS)
Left and Right X Drive (Commonly known as A - BUS)
Warning: DO NOT attempt to run the set with the Heat Sink over the TCPs removed.
After a very short time, these ICs will begin to self destruct due to overheating.
P233 P211 P232
LEFT X BOARD
TCP IC
P331 P311
RIGHT X BOARD
TCP IC
TCP IC's shown are part of the Ribbon Cable
91 Preliminary Information 42PQ30