Pioneer DVH-P5000MPUC Service Manual page 97

5
QQ
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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
Pedestal
TE
L 13942296513
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Reference
waveform
1.0±0.05Vpp Waveform 6
Color burst
Horizontal periodic signal
Composite signal 100% output waveform
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2 9
8
PEAK
Rated
value
BOTTOM
Q Q
3 6 7 1 3 1 5
co
.
DVH-P5000MP/UC
7
9 4 2 8
When the result is not satisfactory,
adjust the noise level to 1.0 + 0.05 Vpp.
0 5 8 2 9 9 4 2 8
m
8
9 9
A
B
C
9 9
D
E
F
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