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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.
A
NO.Verification location Rated valueReference
(sensing pin)waveform
1COMPO1.0?0.02Vpp Waveform 6
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
PEAK
COMPO signalRated When the result is not satisfactory,
valueadjust the noise level to 1.0 + 0.02 Vpp.
Color burst
Pedestal
BOTTOMB
Horizontal periodic signal
Composite signal 100% output waveform
C
D
DVH-P7000R117
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