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1
<Checking method> Playback DVD-REF-A1 TITLE2 CHAPTER19 (100% Color Bars), and monitor Y, Cb, and Cr
A
NO.
Check point 1 (stylus)
2
Y
3
Cb
4
Cr
In case of NG, check the applicable line, the periphery of the major components in the drawing above, soldering of
the peripheral components and defective components.
B
Y signal
Cb signal
C
Cr signal
Side A
D
E
F
62
1
2
signal with an oscilloscope with GNDV1 (stylus) being the reference. Set the trigger mode to
"TV trigger" and the trigger line to "150 line".
Specification value
1 000 mVpp ± 5%
700 mVpp ± 5%
700 mVpp ± 5%
100% Color Bars signal
Fig 11.4 Waveform for the case of component 100% Color Bars output
Fig 11.5: VIDEO signal check point
AVH-P7900DVD/RE
2
3
Reference waveform
Waveform 7
Waveform 7
Waveform 7
PEAK
Specification value
BOTTOM
PEAK
Specification value
BOTTOM
PEAK
Specification value
BOTTOM
3
4
Y
COMPO
Cr
Cb
4
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