Video Test Using The Video Pattern Generator - Fluke 199B Service Manual

Fluke 19xB-19xC-2x5C
Service Manual

4.6.13 Video test using the Video Pattern Generator

You can skip this test if you do the test
Calibration option
Only one of the systems NTSC, PAL, PALplus, or SECAM has to be verified.
Proceed as follows:
1. Connect the test tool to the TV Signal Generator as shown in Figure 4-8.
2. Select the following test tool setup:
3. Set the TV Signal Generator to source a signal with the following properties:
4-22
Figure 4-8. Test Tool Input A to TV Signal Generator
•
Reset the test tool
•
Press , then press
•
Choose
VIDEO on A...
Polarity: POSITIVE |
•
Press to select
•
Press to enable the arrow keys for selecting the video line number.
•
Using select line number:
⇒ 622 for PAL, PALplus, or SECAM
⇒ 525 for NTSC.
•
Using and
is 10:1).
• select the time base to 20 μs/div.
Using
•
the system selected in step 2
•
gray scale
4.6.14 Video test using the SC600 Scope
to open the Trigger Options menu.
, then from the shown opened menu choose
( or
PAL NTSC
ALL LINES
set the Input A sensitivity to 2 V/div (the actual probe setting
)
PALplus SECAM
al-tv-a.bmp