LG 50PC1DR - - 50" Plasma TV Troubleshooting Manual page 78

LG recently started replacing the HDD that was designed for PC
use (P/N:6744B00040A) with a low-noise HDD designed for A/V
use (P/N:6744B91953A). The original HDD is shown on the right
and the upgraded version is shown on the left.
Plasma Display Panel Troubleshooting - 2007
Recent Hard Drive Upgrade
78
In addition the grommets for
HDD mounting have been
changed to P/N 5040V00101B
*Rubber changed from hard material
to soft material