Pioneer AVIC-D3/XU/UC Service Manual page 193

5
<Checking method> Playback DVD-REF-A1 TITLE2 CHAPTER19 (100% Color Bars), and monitor Y, Cb, and Cr
signal with an oscilloscope with GNDV1 (stylus) being the reference. Set the trigger mode to
"TV trigger" and the trigger line to "150 line".
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.
Y signal
Cb signal
Cr signal
Fig 11.4 Waveform for the case of component 100% Color Bars output
Side A
Fig 11.5: VIDEO signal check point
5
6
Specification value Reference waveform
1 000 mVpp ± 5%
Waveform 7
700 mVpp ± 5%
Waveform 7
700 mVpp ± 5%
Waveform 7
Specification value
Specification value
Specification value
100% Color Bars signal
AVIC-D3/XU/UC
6
7
PEAK
BOTTOM
PEAK
BOTTOM
PEAK
BOTTOM
7
8
A
C
D
Y
COMPO
Cr
Cb
E
193
8
B
F