Sony Betacam SX DNW-A100 Maintenance Manual page 48

1-16. Installation of BKDW-505/506
2. Frequency Response Check
(1) Set the output signal of the signal generator to the multi-burst signal.
(2) Check using the waveform monitor that the level of each frequency component is uniform.
If the level is not uniform, perform steps (3) to (8).
0.5 1 2
BKDW-505 (Multi-burst signal/NTSC)
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Refer to 1-34 page for the operation method of the maintenance mode when adjusting.
(3) Press S1101 on the SS-63 board so as to enter the maintenance mode.
(4) Select "VIDEO FREQ COMP" of A25: DEC VR.
(5) Turn the search dial slowly while pressing the JOG button on the lower control panel until the level
of each frequency component is uniform.
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The data value displayed on the video monitor screen changes.
Turn the search dial while monitoring the change in a level.
(6) After completing the adjustment, press the MENU button once so as to exit A25: DEC VR.
(7) Select A2F:NV-RAM CONTROL and save the adjusted data in NV-RAM (execute "SAVE ALL
ADJUST DATA").
(8) Check that the message "Save Complete" is displayed on the video monitor screen.
(9) Press the MENU button on the lower control panel four times so as to exit the maintenance mode.
1-36
3 3.58 4.2 MHz
0.5 1 2 4 4.8 5.8 MHz
BKDW-506 (Multi-burst signal/PAL)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P