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10.6.1 Checking video output (brightness signal)
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Purpose: Keep the interchangeability of video signal output
1. Terminate the brightness signal (Y) of the S video output terminal with 75 Ω and input into
the oscilloscope.
2. Select color bar 75% from the titles of the DVD test disc and play back.
3. Check that the brightness signal output (including sink chip) is the following value:
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Check point
S video output terminal Color bar playback (75%) DVDT-S20
Measuring apparatus
Oscilloscope
Mode
Disc
Check value
1000 mV ± 150 mV
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