Section 6 - Fault Isolation
6-5
CONTROL PANEL PROBLEMS
If a Control Panel problem is suspected, or if control panel functions are not responding, use the
PANEL command under SQDRIVER to help isolate the problem. From DOS, type:
1.
sqdriver<Enter>, then
2.
panel$$$ <Enter>.
The program displays the state of all switches and lamps on the control panel (0 = off, 1 = on).
The display is dynamic, allowing control panel functions to be tested.
DISPLAY PROBLEMS
Display problems can be grouped into four general categories: vertical stripe, horizontal stripe,
noise (dots, speckles, etc.), and no display.
Table 6-3. Display Component Locations
Component See Figure...
Detector Boards 5-10
Integrator/Multiplexor Board 5-10
A/D Converter Boards 5-13
Aperture Assembly 5-18,5-19
C-Arm Interface Board 5-8
Filter Drum Assembly 5-8
Filter Drum Assembly (X-Ray Beam Alignment) 4-1
Array Assembly (X-Ray Beam Alignment) 4-2
Printer (if quality is bad on printout and not
display).
5-16
X-ray tank 5-8, 5-19
Collimator 5-8, 5-19
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