512
Description
Cause
What
To
Do
513
Description
Cause
What
To
Do
60
1
Description
Cause
What
To
Do
603
Description
Cause
What
To
Do
Genericpathcalrestore failure
After detecting a failure in comparing calibration data
between
RAM
and the calibration
ROM,
a data restore
was attempted unsuccessfully.
There is either a failure in writing data to
RAM
or
in
reading data from the calibration
ROM.
Replace the A3 assembly. The
A3
assembly has a
continuity failure. The calibration
ROM
is on the
A3
assembly with the
RAM.
Output tune calrestore failure
After detecting a failure in comparing calibration data
between
RAM
and the calibration
ROM,
a data restore
was attempted unsuccessfully.
There is either a failure in writing data to
RAM
or in
reading data from the calibration
ROM.
The calibration
ROM
can be verified by replacing the
A6 assembly. The calibration
ROM
is contained in the
assembly.
If
the failure is still present after replacing the
A6
assembly, replace the A3 assembly, which contains
the
RAM.
-12
V
power supply failure
The -12
V
diagnostic test point decreased by more
than approximately
0.4
V.
Either the
-12
regulator on the
A3
mother board has
failed,
or
the -15
V
supply on the
A2
power supply
assembly has failed.
Check the output of both the -15
V
and
-12
V
supplies.
+12
V
power supply failure
The
+
12
V
diagnostic test point decreased by more
than approximately
0.4
V.
Either the
+
12
V
regulator
on
the A3 mother board
has failed, or the
+
15
V
supply on the
A2
power
supply assembly has failed.
Check the output
of
both the
+
15
V
and
+
12
V
supplies.
5c.4 Service Error
Messages
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