Sony DSR-1500A Operating Instructions Manual page 94

Performing a phase adjustment operation
1
Press the SCH button on the vectorscope.
The vectorscope switches to SCH mode.
2
Press the B channel button on the vectorscope.
This displays the black burst signal from the switcher.
3
Press the EXT button on the vectorscope.
This switches the vectorscope to external
synchronization mode.
4
Adjust the phase synchronization control on the
vectorscope so that the sync and subcarrier phases are
close to the reference line.
Sync phase
Subcarrier phase
Align the sync and subcarrier phases of the black
burst signal to the reference line.
5
Output the player 1 signal.
6
Press the A channel button on the vectorscope.
This displays the sync and subcarrier phases
(composite signals only) of the signal from player 1.
7
On player 1, adjust the front panel SYNC PHASE and
SC PHASE controls, using a Phillips screwdriver, so
that the output from player 1 on channel A is in correct
phase alignment with the black burst signal on channel
B.
This indicator
moves as you
turn the SYNC
PHASE control.
Adjust the sync and subcarrier phases of the output
signal from player 1.
94
Adjusting the Sync and Subcarrier Phases
Note
When component signals are used the subcarrier phase
indicator does not appear.
8
Output the player 2 signal, and repeat steps 6 and 7 to
adjust the sync and subcarrier phases of the output
from player 2.
Reference line
This indicator
moves as you
turn the SC
PHASE control.