Video Trigger Test - Fluke ScopeMeter 123 Service Manual

Table 4-9. Capacitance Measurement Verification Points
5500A output
40 nF
300 nF
3 µF
30 µF
300 µF
(remove test tool input connections )

4.5.19 Video Trigger Test

Only one of the systems NTSC, PAL, 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:
•
Reset the test tool (power off and then on with
•
Press
•
Press
I
VIDEO on A...
From the shown VIDEO TRIGGER menu choose:
SYSTEM:
I
LINE:
POLARITY:
0
Figure 4-8. Test Tool Input A to TV Signal Generator
to open the SCOPE INPUTS menu.
to open the TRIGGER menu and choose:
I or I or I
NTSC PAL
SELECT
I
POSITIVE
Reading
39.10 to 40.90
293.0 to 307.0
2.930 to 3.070
29.30 to 30.70
293.0 to 307.0
00.00 to 00.10
(see steps 7...10)
).
SECAM
Performance Verification
4.5 Input A and Input B Tests
ST8141.CGM
4
4-23