Input D Trigger Sensitivity Test - Fluke ScopeMeter 190 II Series Service Manual

Fluke 190-062, -102, -104, -202, -204, -502, -504
Service Manual
2. Select the Test Tool setup:
a) Recall the setup (see Standard Test Tool Setup). Press
b) Press
c) Press
d) Use
e) Use
f) Press
3. Set the 5502A to source a sine wave and to the first test point in Table 4-14.
4. Observe the Input C reading and check that it is within the range shown
under the appropriate column of Table 4-14.
5. Continue through the test points.
6. When you are finished, set the 5502A to Standby.
UUT
Model
all
all
190-104
190-204
190-504

Input D Trigger Sensitivity Test

The test steps for channel D are only for the models 190-104,
190-204, and 190-504.
Proceed as follows to test the Input D trigger sensitivity:
1. Connect the Test Tool to the 5502A as shown in Figure 4-10.
4-28
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
( select
RECALL) and SETUP
press ENTER to recall the setup.
SCOPE , then press
.
READINGS 3 on C | V ac
MANUAL
AUTO to select autoranging (
mV
RANGE
and to change the sensitivity range to select manual
RANGE V
sensitivity ranging and lock the Input C sensitivity range on 500 mV/div.
to move the Input C trace zero to the center grid line.
MOVE
F1
TRIGGER and use
Table 4-14. HF AC Voltage Verification Points
5500A SC... MODE levsine
Voltage Frequency
2.545 Vpp 1 MHz
2.545 Vpp 25 MHz
2.545 Vpp 100 MHz
2.545 Vpp 200 MHz
2.545 Vpp 500 MHz
, press , select the setup name, and
ENTER
F2
( ) and select
READING...
in upper right LCD edge).
AUTO
to select Input C as trigger source.
835 mV to 965 mV
790 mV to 1.010 V
>630 mV
>630 mV
>630 mV
Note
SAVE
F2
,
UUT
Reading A