Sony DNW-A100 Maintenance Manual page 448

6-3. Analog Video Playback System Adjustment after Replacing the Drum
OXIDE adjustment [up to step (7)]
(6) Playback the bowtie signal portion (6:00 to 9:00) of the alignment tape CR5-2A or CR5-2A PS.
(DNW-A100/A50/A45: CR5-2A, DNW-A100P/A50P/A45P: CR5-2A PS)
(7) Observe the bowtie dip point at which the CH-1 (Y) and CH-2 (B-Y) signals cross. Adjust so that
the deviation between the center marker and bowtie dip point is within specification. Then observe
the point at which the CH-1 (Y) and CH-3 (R-Y) signals cross and adjust in the same manner.
Adjustment point: 1RV501/TBC-24(C-1)
A = 0 ± 10 ns
Specifications:
B = 0 ± 10 ns
(8) Eject the alignment tape CR5-2A/CR5-2A PS.
6-36
Center markers
CH-1/CH-2 CH-1/CH-3
A B
TBC-24 board (suffix-11 and 12)
RV201 RV200 RV500 RV501 RV300
TBC-24 board (suffix-13 and higher)
RV201 RV500 RV504 RV300
RV501
RV501 on TBC-24 Board
RV101
RV101
DNW-A100/A50/A45
DNW-A100P/A50P/A45P