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E331.E2501.061.21.02.02
System SIRECUST 1280/1281
Bedside Monitor - Service Manual
6.7D.
6.7E.
Are start-up self tests performed
each time monitor is turned ON?
Yes:
Proceed
to
Functional
Verification, Chapter 5.
No:
Continue.
Replace Power Supply Board.
Does monitor power up correctly
and pass all self tests?
Yes: | Proceed | to
Functional
Verification, Chapter 5.
No:
Refer to Appendix E, System
SIRECUST
Self
Test
and
Error
Messages,
for
the
software version installed in
the monitor.
Error Messages
If hardware
error messages
are
exhibited
during
self
tests
or
during normal operation, refer to
Appendix
E,
System
SIRECUST
Self Test and Error Messages, for
the installed software version.
Monitor Produces a Constant
Error Tone
Is there a normal display, or an
UNKNOWN
8344 ERROR
mes-
sage in the top left of the screen?
* Yes:
Turn
power
OFF
and
remove
Curve
Board from
monitor.
Check that EPROM J38 is
installed correctly and that
no pins are bent.
Check connectors X1
and
X2 to assure that no pins
are bent.
Reinstall
Curve
Board,
assuring
that
the
board
ο ΝΟ:
seats securely on Mother-
board.
If
problem
is
corrected,
proceed
to
Functional
Verification,
Chapter 5.
If unable to restore correct
operation, replace EPROM
J38.
If
problem
is
corrected,
proceed
to
Functional
Verification,
Chapter 5.
If still
unable
to
restore
correct
operation,
replace
the
Curve
Board,
and
proceed
to
Functional
Verification, Chapter 5.
Check
that
all
signal
processing
and
control
PC
boards
are securely
seated
on Motherboard.
If unable to correct problem,
turn power OFF, and remove
Display
Processor
Board
from unit.
Check that J27 and J28 are
| installed correctly and that no
pins are bent.
Check connectors X1 and X2
to assure
that no
pins
are
bent.
Reinstall
Display
Processor
Board,
assuring
that
board
seats
securely
on
Mother-
board.
If
problem
is
corrected, proceed to Func-
tional Verification, Chapter 5.
If unable
to restore
correct
operation,
replace
J27
and
J28.
If problem is corrected,
proceed to Functional Verifi-
cation, Chapter 5.
if
stil
unable
to
restore
correct
Operation,
replace
Page 6 - 13
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