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E331.E2501.061.21.02.02
System SIRECUST 1280/1281
Bedside Monitor - Service Manual
e No:
Inspect
for
installation
of
TouchScreen
Watchdog
up-
grade.
Refer to Step 2, and
install
upgrade
if
not
previously installed.
Perform TouchScreen test (if
not
previously
performed).
Refer to Step 3.
Replace
TouchScreen _
if
necessary.
If
problem
is
corrected,
proceed
to
Functional
Verification,
Chapter 5.
lf unable
to
restore
correct
operation, continue.
7.
Replace
the
68705
chip,
J9,
on
Operator
Interface
Board.
If
problem is corrected, proceed to
Functional Verification, Chapter 5.
lf
problem
is
not
corrected,
replace Operator Interface Board.
If replacing the board corrects the
problem,
proceed
to
Functional
Verification, Chapter 5.
If
the
problem
is
still
not
corrected,
replace
Display
Processor
Board.
Proceed
to
Functional Verification, Chapter 5.
6.7J.
Problem With Speaker Tones
For speaker tone problems
(key press
sounds, alarms, etc.) go to Step 1.
For piezo sound problems (power down
sound), go to Step 3.
1.
ls
Speaker
Assembly
securely
connected
to
X6
on
Mother
board?
* Yes:
Continue.
* No:
Connect
Speaker
Assy.
Proceed
to
Functional
Verification, Chapter 5.
a.
Disconnect
Speaker
Assembly from X6.
©
b.
Connect oscilloscope probe
to X6, pin 2.
c.
Connect SIREM to monitor.
Insert LIM in SIREM,
but do
not connect any input cables
to the LIM.
d.
Turn power ON. After monitor
completes start-up self tests,
verify that heart rate alarm is
ON
(refer
to
1280/1281
Operating Instructions).
After
heart
rate
parameter
goes
into
alarm,
compare
BEEPER
signal at X6, pin 2
to Figure 6-6.
Is signal okay?
e Yes:
Replace
Speaker
Assy.
Proceed | to
Functional
Verification, Chapter 5.
* No:
Replace
Display
Processor
Board.
Proceed
to
Functional
Verification,
Chapter 5.
3.
Turn main power OFF.
ls
shorting
jumper
installed
between pins 1 and 2 of JP90 on
Motherboard?
* Yes:
Continue.
+ No:
Install
a
shorting
jumper.
Proceed
to
Functional
Verification, Chapter 5.
4.
Turn power Off.
Remove
shorting
jumper
and
connect
positive
lead
of DVM
to
JP90, pin 1.
Page 6 - 18
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