Pioneer AVH-P6500DVD UC Service Manual page 143

5
Check 5: Is the video circuit operated normally?
Reproduce DVD-REF-A1 Title 2 Chapters (White 100IRE).
Monitor the output with the oscilloscope, by setting the COMPO signal to a GND reference.
Set the Trigger mode to the TV trigger, and the Trigger line to line-150.
NO. Verification location Rated value
(sensing pin)
1 COMPO
If the result is not satisfactory, check to see if there are any problems with resin flux cored solder, parts
and components, in the vicinity of line-150 (the section marked 5 in the circuit diagram) and peripheral components.
COMPO signal
Color burst
Pedestal
5
6
Reference
waveform
1.0±0.05Vpp Waveform 6
Horizontal periodic signal
Composite signal 100% output waveform
6
7
PEAK
When the result is not satisfactory,
Rated
adjust the noise level to 1.0 + 0.05 Vpp.
value
BOTTOM
AVH-P6500DVD/UC
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8
A
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