Adjusting The Phases Of The Signals - Sony CCU-590 Maintenance Manual

2-4-3. Adjusting the Phases of the Signals

Adjust the signal phase of the unit. Before starting adjust-
ment, input the following sync signals to the unit and all
equipment connected.
CCU-590/590P
A reference signal of the system including a burst and sync
signals
Signal level: 40 IRE (for CCU-590) or
0.3 V p-p (for CCU-590P)
Waveform monitor, vectorscope
A reference sync signal of the system specified by the
equipment to be used
Adjusting the phases of the sync signal
Adjust the phases of the output signals so that the phases of
the output signals align with the phase of the reference
signal. The phase can be adjusted using the switches on the
AT board.
The phase can also be checked by the CCU CONFIGURA-
TION menu.
Adjusting on the AT-155B board
AT-155B board
AT
REFERENCE
REFERENCE
IN
REFERENCE
LOCK
control
PHASE
REMOTE
H
SC
PHASE
control
+
-
2-14
1. Set the REMOTE/H/SC
switch on the AT-155B
board to H or SC.
2. Adjust the H phase and
SC-H phase with the +/_
switch.
To check the phase by the CCU
CONFIGURATION menu:
1. Open "C06" page.
2. The "COARSE" value of
"H PHASE" and the "SC-
PHASE" value vary with
the phase adjust switch on
the AT-155B board.
Adjusting the phases of the camera signals
Adjust the phases of the blanking section of camera and
the blanking section of CCU so that they are identical.
The phases are adjusted at the factory.
1. Close the iris on the lens.
2. Set the master black level of the camera to the maxi-
mum value.
3. Monitoring the VBS signal, adjust the phases using the
CCU CONFIGURATION menu "CHU H-PHASE"
(page "C07") so that the blanking period of the camera
signal disappears from the monitor screen.
Test point: VBS 1 OUT/CCU rear panel
4. Reset the master black level of the camera to 0.
0 us
CCU-590/P/V1(E)