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190 Series III
Service Manual
2
c. Press
B | V ac.
J
d. Press
j
e. Use
and
lock the Input B sensitivity range on 500 mV/div.
T
f.
Press
3. Set the 5502A to source a sine wave at the first test point in
4. Observe the Input B reading and check that it is within the range shown under the
appropriate column of
5. Continue through the test points.
When you are finished, set the 5502A to Standby.
Input C AC Voltage Accuracy (HF) and Bandwidth Test
The test steps for channel C are only for the 4-channel models.
To test the Input C high frequency automatic scope ac voltage measurement accuracy and
bandwidth:
1. Connect the Test Tool to the 5502A. See
2. Select the Test Tool setup:
a. Recall the setup (see
select SETUP, press
setup.
P
b. Press
J
c. Press
j
d. Use
and
lock the Input C sensitivity range on 500 mV/div.
l
e. Use
to move the Input C trace zero to the center grid line.
T
f.
Press
3. Set the 5502A to source a sine wave and to the first test point in
4. Observe the Input C reading and check that it is within the range shown under the
appropriate column of
5. Continue through the test points.
When you are finished, set the 5502A to Standby.
26
(– READING ...) and select with
to select autoranging (AUTO in upper right LCD edge).
k
to change the sensitivity range to select manual sensitivity ranging and
1
and use
Table
10.
Standard Test Tool
E
, select the setup name, and press
2
, then press
to select autoranging (AUTO in upper right LCD edge).
k
to change the sensitivity range to select manual sensitivity ranging and
1
and use
Table
10.
1
to select Input B as trigger source.
Note
Figure
8.
Setup). Press
(READING...) and select READINGS 3 on C | V ac.
to select Input C as trigger source.
(READINGS 2), and select on
Table
10.
S
2
,
(RECALL) and
E
to recall the
Table
10.
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