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6-8. VPR-17 Board Replacement
1. Composite Video Output Level Adjustment (Standard System)
n
More than 30 minutes should elapse after turning the power on, then perform the adjustment (confirma-
tion).
Measuring equipment: Composite waveform monitor
. Connection 1
DNW
1
VIDEO OUTPUT
COMPOSITE
2
(1) Connect the composite waveform monitor and video monitor as shown above figure's Connection 1.
(2) Playback the 100 % color-bar portion (0:00 to 10:00) of the alignment tape SR5-1 or SR5-1P
SR5-1: for DNW-A22
SR5-1P: for DNW-A22P
(3) To enter the maintenance mode, press S1101 (G-1) on the SS-63 board.
(4) Enter A2 : AUDIO/VIDEO ADJUST.
(5) Enter A20 : VPR VR.
6-110
Composite
waveform monitor
75 Z
Video monitor
(terminated with 75 Z)
. Connection 2
DNW
VIDEO OUTPUT
COMPOSITE 2
Composite
waveform monitor
Video monitor
(terminated with 75 Z)
DNW-A22/A22P
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