GE Vivid q N Service Manual page 388

GE
D FQ091019, R
IRECTION
11) After reviewing the test results, proceed as follows:
•
•
•
•
NOTE: In the event that the surrounding temperature is above 38°C, the DC Offset Verification Test
may fail. Upper/lower test limits of ±10 (instead of ±5) are acceptable.
12.)Trackball to the Exit button and press Set to close the View Test Log dialog box.
13.)Press the <Esc> button on the keyboard to close the Diagnostic Test Window.
7-30
2
EVISION
If no problems were identified, it is recommended to re-boot the system (this is obligatory when
prompted).
If the test passed but the original problem persists, contact your local On-Line Center for
assistance.
If errors were identified but the results were very close to the upper or lower limits, perform
calibration, as described in
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 Chapter 5 - Components and Function
If the problem persists, this indicates that either the specific board you tested is faulty or that
another board that supports the operation of this 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.
Section 7-4 - Performing Front End (FE) Diagnostics
"DC Offset Calibration" on page
V N S
IVID Q
7-25, and then repeat the test.
(Theory).
M
ERVICE ANUAL