Sony Betacam SX DNW-A100 Maintenance Manual page 326

Digital video hybrid recorder
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6-7. TBC-23 Board Replacement
1. Initial Data Setting
(1) Enter the maintenance mode, then enter A37 : TBC VR.
(2) Set the specified data to all items of A37 : TBC VR.
Item of A37 : TBC VR
SQ Y RZ
SQ C RZ
VISC PHASE
(3) To exit A37 : TBC VR, press the MENU button once.
(4) Data save
Enter A3F : NV-RAM CONTROL of the maintenance mode, then execute "SAVE ALL ADJUST
DATA".
(5) Check that the message "Save Complete" is displayed on the video monitor.
(6) To exit A3F : NV-RAM CONTROL, press the MENU button once.
(7) To exit the maintenance mode, press the MENU button three times again.
2. PB Video Phase Confirmation
Measuring equipment: Refer to next figure.
(1) Connect the video signal generators, measuring equipments, and video monitor as shown below.
And set the output of the component video signal generator to 50% bowtie signal.
Composite video
signal generator
BLACK BURST
DNW
VIDEO INPUT
REF VIDEO
(75 Z ON)
Y
VIDEO OUTPUT
COMPONENT
R-Y
VIDEO OUTPUT
COMPOSITE 3
6-88
Setting data for DNW-A100/A50/A45
4C
6F
06
Component video
signal generator
GENLOCK
(Y)
(B-Y)
(R-Y)
CH-1
CH-2
CH-3
a
b
Video monitor
(terminated with 75 Z)
Connection in PB Video Phase Confirmation
Setting data for DNW-A100P/A50P/A45P
4B
6E
02
waveform/vector
Component
waveform monitor
EXT REF
EXT REF
CH-1 CH-2 CH-3
CH-A
75 Z
a
a
a
Cable length
a: 0.5 m
b: 1.0 m
Composite
monitor
75 Z
CH-B
75 Z
DNW-A100/A50/A45
DNW-A100P/A50P/A45P

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