Manual - Pioneer SDV-P7 Service Manual

SDV-P7
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Check 5: Is the video circuit operated normally?
Reproduce DVD-REF-A1(GGV1018) 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 compo-
nents, in the vicinity of line-150 (the section marked 5 in the circuit diagram) and peripheral components
COMPO signal
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Reference
waveform
1.0±0.02Vpp Waveform 6
Color burst
Pedestal
Horizontal periodic signal
Composite signal 100% output waveform
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2 9
8
PEAK
When the result is not satisfactory,
Rated
adjust the noise level to 1.0 + 0.02 Vpp.
value
BOTTOM
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3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9