Component Y-Pb Timing Adjustment; Component Y-Pr Timing Adjustment - Panasonic DVCPRO50 Service Manual

4-15. Component Y-Pb Timing
Adjustment
BOARD
V OUT (F5)
TP
Y OUT (CH B1), Pb OUT (CH B2)
ADJ.
D06: NENT PB TMG (Service Menu)
TAPE
525(NTSC): VFM3580KM (L)
Alignment Tape (Bow tie portion)
INPUT
-----
MODE
PLAY
M. EQ
Analog WFM (Bow tie mode)
Y Pb Timing : 0 ± 5nsec
SPEC.
1. Set menu setting of SETUP menu as follows.
614 PB / PR OUT LV : M2
2. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
3.
"SET" button to open the VOUT ADJUST MENU.
Select the D-1: CMPNT ADJUST and press the
4.
"SET" button.
5. Play back the alignment tape at the Bow tie
portion (18:00-22:00).
Adjust D06: NENT PB TMG so that the crossing
6.
point of the Bow tie signal becomes a center
± 5nsec
(Timing=0 ) as shown bellow.
7. Set menu setting of SETUP menu as follows.
614 PB / PR OUT LV : β CAM
<Note>
Incase of WFM does not have "Bow tie mode" (Y-Pb
timing adjustment mode), if the oscilloscope has
"ADD" and "INVERT" switch, it is possible to make the
following waveform by those switch.
Y OUT
+
Pb OUT
(CH B1-CH B2)
Center
0 ± 5nsec
4-16. Component Y-Pr Timing
Adjustment
BOARD
V OUT (F5)
TP
Y OUT (CH B1), Pr OUT (CH B3)
ADJ.
D09: NENT PR TMG (Service Menu)
TAPE
525(NTSC): VFM3580KM (L)
Alignment Tape (Bow tie portion)
INPUT
-----
MODE
PLAY
M. EQ
Analog WFM (Bow tie mode)
Y Pr Timing : 0 ± 5nsec
SPEC.
1. Set menu setting of SETUP menu as follows.
614 PB / PR OUT LV : M2
2. Open the SERVICE MENU. (Refer to SEC1
Service Information.)
Select the D00: VOUT ADJUST and press the
3.
"SET" button to open the VOUT ADJUST MENU.
Select the D-1: CMPNT ADJUST and press the
4.
"SET" button.
5. Play back the alignment tape at the Bow tie
portion (18:00-22:00).
Adjust D09: NENT PR TMG so that the crossing
6.
point of the Bow tie signal becomes a center
± 5nsec
(Timing=0
7. Set menu setting of SETUP menu as follows.
614 PB / PR OUT LV : β CAM
<Note>
Incase of WFM does not have "Bow tie mode" (Y-Pr
timing adjustment mode), if the oscilloscope has
"ADD" and "INVERT" switch, it is possible to make the
following waveform by those switch.
Y OUT
+
Pr OUT
(CH B1-CH B3)
ELE-27
) as shown bellow.
Center
0 ± 5nsec