DVH-P7000R
A
B
C
D
5
7
8
5
7
8
117
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
Reference
(sensing pin)
waveform
1
COMPO
1.0
±
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
Color burst
Horizontal periodic signal
Rated
value
When the result is not satisfactory,
adjust the noise level to 1.0 + 0.02 Vpp.
PEAK
BOTTOM
Pedestal
COMPO signal
Composite signal 100% output waveform
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
