Composite Video Out Phase Adjustment; Composite Vector Adjustment - Panasonic DVCPRO50 Service Manual

5-20. Composite Video Out Phase
Adjustment
BOARD V IN (F2A)
TP VIDEO IN THRU
VIDEO1 OUT
ADJ. VR450 (SYNCφ)[A-1]
TAPE -----
Analog Composite Signal
INPUT
(Pulse and Bar with 2T modulation Signal)
(75% Color Bar with 7.5% Setup)
MODE EE
M. EQ Analog WFM
SPEC. Phase Difference A : 0 ± 10nsec
(This adjustment performs without extender board.)
1. Input Pulse and Bar signal to Video IN terminal.
Adjust VR450 (SYNC
difference of 2T pulse between through out of the
VIDEO IN and the VIDEO OUT 1 is in the
specification.
2. Change input signal to 100% color bar signal.
Then confirm that signal line on a vector scope
should be linear line. If it is not, execute fine
adjustment of VR450.
Through OUT of
the VIDEO IN
(Ch A)
VIDEO1 OUT
(Ch B)
φ
) so that the phase
2T Pulse
Phase Difference: A

5-21. Composite Vector Adjustment

BOARD V IN (F2A)
TP VIDEO 1 OUT
ADJ. C09: SITE CAXIS (Service Menu)
TAPE -----
INPUT Analog Composite Signal
(75% Color Bar with 7.5% Setup)
MODE EE
M. EQ Analog WFM
SPEC.
(This adjustment performs without extender board.)
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
2. Select the C00: VIN ADJUST and press the
"SET" button to open the V IN ADJUST MENU.
3. Select C-2 CMPST ADJUST and press the "SET"
button to open the CMPST ADJUST menu.
4. Adjust C09 SITE CAXIS so that the all vector
dots are in the inner box.
5. Close the menu.
ELE-42
All vector dots are in the inner box