HP 8924E, Сборка

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Chapter 2, Troubleshooting
How to Troubleshoot the Test Set
N:\mkt\MANUALS\HP8924C\ALR\trouble.fb
Step 2- Run the Functional Diagnostics
The Functional Diagnostics make measurements that test many of the circuits.
There are four Functional Diagnostics. The first three (Audio, RF, and CDMA
diagnostics) can be run in a loop mode after an initial setup. This is useful for
trapping intermittent failures. The fourth diagnostic (Miscellaneous Diagnostics)
requires a different setup for each test.
Functional Diagnostics should pinpoint faults in the AF, RF, and CDMA-related
circuits to the faulty assembly. When a measurement is out-of-limits, the
diagnostics post a message suggesting which assembly to replace and the certainty
(low, medium, or high) of that suggestion. Before ordering replacement parts
(especially when the certainty is medium or low) or if you have difficulty in
understanding or running the Functional Diagnostics,
See "More About Step 2-
Run the Functional Diagnostics" on page 81
.
NOTE: The measurement limits of the Functional Diagnostic tests are valid only at room temperature;
that is, 20 to 25
°
C or 65 to 75
°
F.
Select the Test
1. Press the PRESET key.
2. Press the TESTS key.
3. Set the
Select Procedure Location:
field to
ROM
.
4. Set the
Select Procedure Filename:
field to load one of the diagnostic
routines.
•
AFDIAGS3
(to run the Audio Diagnostics)
•
RFDIAGS3
(to run the RF Diagnostics)
•
MSDIAGS3
(to run the Miscellaneous Diagnostics)
•
CDMADIAG
(to run the CDMA Diagnostics)
Define Testing
Conditions
5. Under the
SET UP TEST SET:
area, select Execution Cond to access the TESTS
(Execution Conditions) screen.
6. Set
Output Results To
:
•
Crt
to view measurements only on the display.
•
Printer
to print the test results as well as display them on the CRT. The printer