Sony Betacam SX DNW-A100 Maintenance Manual page 328
Digital video hybrid recorder
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Also See for Betacam SX DNW-A100:
- Maintenance manual (506 pages) ,
- Operation manual (134 pages) ,
- Brochure & specs (14 pages)
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6-7. TBC-23 Board Replacement
(11)Stop the playback of the alignment tape CR5-1B/CR5-1B PS.
Y phase confirmation [to step (24)]
(12) Set the component waveform monitor to BOWTIE mode.
(13) Playback the bowtie signal portion (17:00 to 19:00) of the alignment tape CR5-1B or CR5-1B PS.
(DNW-A100/A50/A45: CR5-1B, DNW-A100P/A50P/A45P: CR5-1B PS)
(14) Confirm the deviation A between the center marker and bowtie dip point of CH-1/CH-2 (Y/B-Y).
If the specification is not satisfied, perform the adjustment.
Adjustment point: 1RV300/TBC-24(D-1)
A = 0 ± 10 ns
Specification:
If the specification is not satisfied by adjustment, perform step (15) through (18) after setting RV300
to the mechanical center.
Perform following steps (15) through (18) only when the specification in step (14) is not satisfied.
(15) Playback the bowtie signal portion (17:00 to 19:00) of the alignment tape CR5-1B or CR5-1B PS
again.
(16) Enter the maintenance mode, then enter A37 : TBC VR.
(17) Change the data value of item "SQ Y RZ" within +1 or _1 so that the bowtie dip point moves closer
to the center marker.
(18) Perform step (14) again.
Data save [to step (23)]:
Perform the data save only when SQ Y RZ's data value of
A37 : TBC VR is changed.
(19) To exit A37 : TBC VR, press the MENU button on
the lower control panel.
(20) Enter A3F : NV-RAM CONTROL, then execute
"SAVE ALL ADJUST DATA".
(21) Check that the message "Save Complete" is displayed
on the video monitor.
(22) To exit A3F : NV-RAM CONTROL, press the
MENU button once.
(23) To exit the maintenance mode, press the MENU
button three times again.
(24) Stop the playback of the alignment tape CR5-1B/
CR5-1B PS or eject it.
n
It is not necessary to eject the alignment tape when
perform subsequent "3. TBC Y/C Delay Confirma-
tion".
6-90
Center marker
CH-1/CH-2
CH-1/CH-3
A
TBC-24 board (suffix-11 and 12)
RV300
RV201
RV200 RV500 RV501
TBC-24 board (suffix-13 and higher)
RV300
RV201 RV500 RV501
RV504
RV300 on TBC-24 Board
RV101
RV101
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
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