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panel for the Picture in Picture information to be inserted. After insertion of the PIP information, the
YUV signal is fed back to the SSB. A line doubler circuit on the SSB called the Feature Box changes
the interlaced NTSC signal to a Progressive Scan signal. This YUV signal is buffered and fed to the
HOP panel. The HOP panel has the Progressive Scan and 1080I inputs. The Video processing
circuits on this panel perform the Color, Tint, Brightness, and Contrast adjustments for the video.
Signal selections between the Progressive Scan signal from the SSB and the HD inputs are
performed on the HOP panel. Sync processing and selection are also performed on the HOP panel.
Red, Green, and Blue drive from the HOP panel is fed to the three CRT panels. The 43-inch Core
version will also have a DB15 RGB connector on the HOP panel. The 55 and 60-inch wide screen
Core versions will have a DVI (Digital Video Interface) connector. There are two sets of connectors
labeled Y Pb Pr. The one on the SSM is for NTSC signal levels only. The one on the HOP is for 1080I
or 480p Progressive Scan only.
Side Jack Panel
Figure 8
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