Sony Betacam SX DNW-A100 Maintenance Manual page 64

1-18. Installation of BKNW-104
7. Component Video Input Frequency Response Adjustment
Refer to 1-44 page for the operation method of the maintenance mode when adjusting.
(1) Connect as connection 3.
(2) Select "Y FREQ COMP" of A22: AD VR (LOOP) of the maintenance mode.
(3) Adjust "Y FREQ COMP" that the fluctuation level is minimum.
(4) Regard 1st signal of each frequency as 100 % (REF), then check that the level of signal after looping
satisfies the specifications.
Y signal
Before adjustment
or
[|Supplement|] The signal after looping is displaied in a state of overlapping on 1st signal on the screen of the waveform monitor.
They appear that the 1st signal is freezing and the signal after looping is changing the fluctuation level.
1-52
After adjustment
1.5 4.0 5.75 MHz
0.5 3.0 5.0
Specifications : Fluctuation level is minimum.
0.5 to 5.0 MHz : REF ±11 % (0 ±1.0 dB)
+ 0
5.75 MHz : REF % (0
– 24
+ 0
dB)
– 3.0
DNW-A100/A50/A45
DNW-A100P/A50P/A45P