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13. OUTPUT VIDEO LEVEL ADJUSTMENT
[Electrical Adjustment]
@ Purpose:
Setting the video signal level to 1Vp-p(752 termination).
Adjusting procedure
Note : Since the video output teminal will be connected to a
TV monitor, it is to have 752 termination. (If it is
connected
to a TV via VHF
OUT,
terminate
the
video output terminal with a resistance of 7592.)
1. Serarch for frame #19900 on the test disc.
2. Adjust VR482 so that the white level becomes 1V+5%
from the video signal's sync tip level.
Adjustment diagram
Oscilloscope range AC
CH1: 20mV /div 10S /div (trigger)
REAR
PANEL
'Out
py—[4000_ 007]
Monitor
Oscilloscope
Tv
lL Video
level
(1 Vp-p)
—|
22
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