Fluke 190-062, -102, -104, -202, -204, -502, -504
Service Manual
4-28
2. Select the Test Tool setup:
a) Recall the setup (see Standard Test Tool Setup). Press
SAVE
,
F2
(RECALL) and select SETUP, press
ENTER
, select the setup name, and
press
ENTER
to recall the setup.
b) Press
SCOPE
, then press
F2
(READING…) and select
READINGS 3 on C | V ac.
c) Press
MANUAL
AUTO
to select autoranging (AUTO in upper right LCD edge).
d) Use
mV
RANGE
and
RANGE
to change the sensitivity range to select manual
sensitivity ranging and lock the Input C sensitivity range on 500 mV/div.
e) Use
MOVE
to move the Input C trace zero to the center grid line.
f) Press
TRIGGER
and use
F1
to select Input C as trigger source.
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.
Table 4-14. HF AC Voltage Verification Points
UUT
Model
5500A SC... MODE levsine
UUT
Reading A
Voltage Frequency
all 2.545 Vpp 1 MHz 835 mV to 965 mV
all 2.545 Vpp 25 MHz 790 mV to 1.010 V
190-104 2.545 Vpp 100 MHz >630 mV
190-204 2.545 Vpp 200 MHz >630 mV
190-504 2.545 Vpp 500 MHz >630 mV
Input D Trigger Sensitivity Test
Note
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.
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