Composite Sch Adjustment(2); System Sub-Carrier Phase Adjustment (2) - Panasonic DVCPRO50 Service Manual

4-21. Composite SCH
Adjustment(2)
BOARD
V OUT (F5)
TP
VIDEO OUT 1 (CH B)
ADJ.
D07: SITE SCH (Service Menu)
TAPE
625(PAL): VFM3680KM (L)
Alignment Tape (Color Bar)
INPUT
-----
MODE
PLAY
M. EQ
Analog WFM with SCH meter
SCH = 0 ± 1°
SPEC.
1. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
2.
"SET" button to open the VOUT ADJUST MENU.
Select the D-2: CMPST ADJUST and press the
3.
"SET" button.
4. Play back the alignment tape at the color bar
portion.
Adjust D07: SITE SCH so that the SCH is in the
5.
specification as shown in figure.
CH B
(VIDEO OUT 1)
4-22. System Sub-Carrier Phase
Adjustment (2)
BOARD
V OUT (F5)
TP
REF IN (CH A), VIDEO OUT 1 (CH B)
ADJ.
VR700 (SYS SC)[E-1]
TAPE
625(PAL): VFM3680KM (L)
Alignment Tape (Color Bar)
INPUT
-----
MODE
PLAY
M. EQ
Analog WFM with SCH meter
SCH = 0 ± 1°
SPEC.
1. Play back the alignment tape at the color bar
portion.
2. Adjust VR700 so that the SCH of the VIDEO
OUT 1 (CHB) is same as EXT-REF-IN (CHA).
<Note>
1. Confirm that the SCH indicator should be turned
on when reference signal is inputted.
2. Set the WFM to SCH mode, and set the EXT
reference mode.
Observe the Reference signal (CHA) and adjust
the PHASE VR of the WFM so that the SCH is
correct portion before adjusting the VR700 as
shown in figure.
CH B
(VIDEO OUT 1)
ELE-30