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5
QQ
3 7 63 1515 0
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
TE
L 13942296513
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5
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6
1.0±0.02Vpp
Color burst
Pedestal
Horizontal periodic signal
Composite signal 100% output waveform
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ao
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i
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2 9
8
Reference
waveform
Waveform 6
PEAK
Rated
value
BOTTOM
Q Q
3
6 7
1 3
.
DVH-P7000R
7
9 4
2 8
When the result is not satisfactory,
adjust the noise level to 1.0 + 0.02 Vpp.
1 5
0 5
8
2 9
9 4
m
co
7
8
9 9
A
B
2 8
9 9
C
D
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8
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