Diagnostics
U6
U5
DS1
DS2
DS3
DS4
DS5
DS6
CPU_INTERLOCK - Turns on at beginning of +24V
interlock stage (13 arrows on display)
S1
MRESET*
OFF
ON
ON
FLASHING
ON
OFF
ON
FLASHING
ON
ON
ON
ON
FLASHING
ON
ON
ON
ON
ON
ON
FLASHING
These LEDs are connected to the data bus
and you should see activity during bootup.
They were originally installed for software
development purposes.
The LEDs are shown as they appear after boot
=ON
=OFF
=FLASHING
LEDs on X-ray Controller PCB
31
Service
Periodic Maintenance
Contents
Schematics
Illustrated Parts
Installation
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