GE
D
IRECTION
FQ091019, R
EVISION
2
V
IVID Q
N S
ERVICE
M
ANUAL
Chapter 7 - Diagnostics/Troubleshooting
7-67
12.)Use the tools provided to scroll through the channels and view the results, as previously described.
13) When done, trackball to the
Close
button and press
Set
to close the View Report window.
14) After reviewing the test results, proceed as follows:
•
Re-boot the system (this is obligatory).
•
Perform calibration, as described in
"DC Offset Calibration" on page 7-25
•
If the test passed but the original problem persists, contact your local On-Line Center for
assistance.
•
If errors were identified (results exceeding acceptable upper or lower limits), verify that all
system cables and boards are connected (not misplaced) and functioning properly, as
described in
Components and Function (Theory)
If the problem persists, this indicates that either the specific board you tested is faulty or that
another board that supports the operation of that board is faulty. Continue trouble-shooting
down to the appropriate board. (If necessary, perform a specific test).
If the problem still persists, contact the GE On-Line Center for assistance.
15.)Trackball to the
Exit
button and press
Set
to close the
View Test Log
dialog box.
16.)Press the <
Esc
> button on the keyboard to close the Diagnostic
Test Window
.
Figure 7-40 View Test Log - ACW Matrix Test - Signal SNR
