Agilent Technologies 8935 Series, Руководство пользователя

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62 Chapter 3
Troubleshooting
Functional Diagnostics (Step 2)
Functional Diagnostics (Step 2)
The Functional Diagnostics (of the SERVICE MENU, shown in Figure
3-11 on page 65 ) check whether or not major portions of the Test Set are
functioning. They may pinpoint faults in the circuitry to the faulty
assembly, or they may direct the use of any or all of the AF, RF, CDMA
diagnostics to more extensively test the circuitry.
Accessing the Diagnostic Tests
CAUTION
A fifteen minute warm up is required. The measurement limits of the
SERVICE4 diagnostic tests are valid only at room temperature; that is,
20º to 25ºC (65º to 75ºF).
1. Press the
Preset
key.
2. Press the
Menu
key. The SOFTWARE MENU screen appears, see
Figure 3-11 on page 65 .
3. Set the
Select Procedure Location:
field to
ROM
.
4. Set the
Select Procedure Filename:
field to
SERVICE4
.
5. To define test conditions, see “Define Test Conditions” on page 63 . To
configure the Test Set for a printer, see “Configuring a Printer” on
page 64 .
6. On the SOFTWARE MENU, select the
Run Test
field (or press
k1
),
and wait for the SERVICE MENU screen.
7. Choose the diagnostic test (Functional, AF, RF, or CDMA) to run by
turning the knob to move the pointer and then pressing the knob to
select the test.
8. Follow the instructions on the screen.
As some of the tests run, you may be offered the options to alter test
execution conditions by selecting:
•
Loop
to run the test continuously
•
Pause
to pause the tests
•
Stp Fail
(stop-failure) to stop on a failure
•
Sgl Step
(single-step) to pause the test after each measurement