Adjusting the Sync and Subcarrier Phases

When using two or more players, as in an A/B roll editing system, it is necessary to synchronize the sync and subcarrier (for composite signals) phases of the signals to be edited. If they are not synchronized, picture instabilities or color break-up may occur at edit points.

After configuring the editing system, use a vectorscope to adjust the sync and subcarrier phases of the recorder and players. Subcarrier phase adjustment is necessary when using composite signals and Y/C signals.

DSR-1500A/1500AP (player 1)

Switcher (DFS-500/500P) a)

DSR-1500A/1500AP (recorder)

UVW-1600/1600P (player 2)

75 Ω coaxial cable (A) b)

75 Ω coaxial cable (B) b)

Vectorscope (Sony Tektronix 1750/1751, etc.)

PVE-500 Editing Control Unit

a)The sync and subcarrier phases of the output signal from the DFS-500/500P switcher are automatically adjusted.

b)Ensure that the 75 Ω coaxial cables (A) and

(B) (not supplied) are of the same length.

Settings and Connections 5 Chapter

Adjusting the Sync and Subcarrier Phases

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