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the Y output of the NTSC SW, IC2Y01. The two sig-
nals are applied to A/V-SW, IC2L00, and forwarded
to the Main Inputs on IC2K00.
When the main signal source is composite video, there
would be no Y and C signal input to IC2K00's main
inputs. These signals are supplied by the Y and C
signals from PCB-3DYC. The signals at pins 1, 3,
and 5 of IC2K00 are output at pins 37, 39 and 41,
and directed to the Monitor Output Jacks.
When the main signal source is HD or SD from the DM
Module. The circuitry in the DM Module outputs ana-
log Y-DM and C-DM signals which are directed to
IC2K00. Internal to IC2K00 the Y and C signals are
combined to form a Composite Video signal. All three
signals V-DM, Y-DM and C-DM are directed to the
Monitor Output Jacks.
If any other source, Component, DTV or VGA is
the main picture source, no signal is available at the
Monitor Outputs.
7-9
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