to the correcmess
regarding the contents of this
changes
any person
in
the specification
of
such revision
has
been carefully checked for reliability; however no guarantee
of
the contents and SCHILLERmakes no representations
manual.
of
the product described within at any time without obligation
or
change.
We
reserve the right to revise
this
document and make
or
warranties
Trademarks
SCHILLER and
property
of
Copyright
0
Copyright
transcribe, store in
electronic, mechanical, magnetic, optical, chemical,
publication without express written permission
Terms
of
Warranty
The SCHILLER SP-10 is warranted against defects in material and manufacture for the duration
of one year
accident or
part. Any liability for subsequent damage
unqualified persons attempt
in
case
OC
SP-10
are registered trademarks
their owners.
of
SCHILLER
AG.
All
trademarks are the
Notice
I998
by SCHILLER
a
retrieval system
(as
from date of purchase). Excluded from this guarantee
as
aresult of improper handling. The warranty entitles free replacement of the defective
a
defect, send the apparatus to your dealer or directly
only be held responsible for the safety, reliability, and performance of the
and approved attached equipment is
NO
EXPRESS
HEREINABOVE SET
OR
OR
F?TNESS
&PLIED
FORTH.
FOR
WARRANTES WHICHEXEND
A
PARTICULAR PURPOSE
V
used
in
SCHlLLER
or
repairs are carried
accordance with the manufacturers
BEYOND
MAKES
NO
WARRANTY
WITH
RESPECT TO
out
THE
by
OF
Page 6
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spiroinetry
Issue
2
July
Unit
I998
Safety
TO PREVENTELECTRIC
PARTS INSIDE.
DO
OR
IFTHEDISPLAY IS DAMAGED, ALEAKAGEOFFLUIDMAY OCCUR.DONOTWHALE
THE VAPOUR FROM THIS
CONTACT IS MADE, CLEAN CONTAMINATED AREA IMMEDIATELY WITH FRESH
WATER.
THIS PRODUCT IS NOT DESIGNED FOR STERILE USE.
SWITCH THE UNIT
DONOT, UNDER
IN LIQUID.
DO NOT OPERATE
MAINS
DO NOT USE HIGH TEMPERATURE STEFULISATION PROCESSES (SUCH AS
AUTOCLAVWG). DO NOT USE E-BEAM OR GAMMA RADIATION STERILISATION.
DO NOT USE SOLVENT CLEANERS
Notices
REFER
NOT USE
THE PRESENCE
THIS
ANY
LEAD
IS DAMAGED OR SUSPECTED
SHOCKDO
SERVICING TO QUALIFIED PERSONNEL ONLY.
UNIT
IN
AREAS
OF
FLAMMABLE
FLUlD
OFF
BEFORE CLEANING
CIRCUMSTANCES, IMMERSETHE UNITORCABLE ASSEMBLIES
THE
UNIT
NOTDISASSEMBLETHEUNIT. NO SERVICEABLE
IF
WHERE
AND
THE
THERE
GASES SUCH AS ANAESTHETIC AGENTS.
AVOID CONTACT
EARTH CONNECTION IS SUSPECT OR
IS
ANY
DANGER
WlTH
AND
DISCONNECT FROM
OF
BEING DAMAGED.
OF
MOUTH
EXPLOSION
AND
THE
SKIN.
MAINS.
IF
IF
THE
,I
/
,
AND
USE ONLY ACCESSORIES
SCHILLER AG. USE
RESULT IN INJURY INACCURATE INFORMATION
THE SP-10 COMPLIES WJTH
AFFORDS
HOWEVER SPECIAL CARE MUST BE EXERCISED
HIGH FREOUENCY EOUIPMENT.
IT MUST BE ENSURED THAT NEITHER THE PATIENT NOR THE ELECTRODES
(INCLUDING THE NEUTRAL ELECTRODE) COME INTO CONTACT WITH OTHER
PERSONS OR CONDUCTING OBJECTS (EVEN
WHEN NON-MEDICAL DEVICES
ENSURE
POTENTIAL.
PROTECTION AGAINST EMISSIONS
THAT BOTH UNITS
OF
OTHER
OTHER PARTS RECOMMENDED OR SUPPLIED BY
THAN
RECOMMENDED OR SUPPLIED PARTS MAY
AND/
OR DAMAGE TO THE
EMC
REGULATIONS FOR MEDICAL PRODUCTS WHICH
AND
ELECTRICAL INTERFERENCE.
WHEN
IF
THESE
ARE
CONNECTED TO
ARE
SECURELY CONNECTED TO THE
THE
ARE
EARTHED).
THE
SP-10 IS USED WITH
RS-232 INTERFACE
SAME
UNIT.
EARTH
vi
Page 7
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
-_
Unit
2
Julv
I998
Safety
Notices
U"
NONMEDICAL DEVICES,
BEFORE USING THE
UMT
SCHILLER REPRESENTATFE.
THE
OVERVIEW
THE
PHYSICIANS OR PERSONNEL
AND
RECORDING MUST BE
CLINICAL CONDITION. THE RECORDING PREPARATION QUALITY
GENERAL RECORDED DATA QUALITY, WHICH COULD EFFECT THE REPORT DATA
ACCURACY, MUST ALSO BE TAKEN
IT IS
EXPERT OPINION ON
INDICATED.
OPERATING
FUNCTIONS
GUIDELINES FOR PATIENT ELECTRODE PLACEMENT
ONLY. THEY
SP-IOSPIROMETRYUNITIS
GRAPHICAL RESULTS
THk
PHYSICIANS RESPONSIBILITY TO
THE
UNIT,
AND
THE
EXAMINED
THE
UNIT ON BATTERY
THE
RS-232 INTERFACE
ENSURE
SAFEI'Y
ARE
NOT
THAT
PRECAUTIONS
A
SUBSTITUTE
AND
SIMULTANEOUSLY USING
MUST
BE FULLY ISOLATED.
AN
INTRODUCTION REGARDING
HAS
FOR
MEDICAL EXPERTISE.
PROVIDEDFORTHEEXCLUSIVEUSE
UNDER
RESULTS,
THEIR DIRECT SUPERVISION. THE NUMERICAL
AND
ANY
INTERPRETATION DERIVED
WITH RESPECT
INTO
ACCOUNT.
MAKE
AND
TO
INSTITUTE
TO
THE PATIENTS OVERALL
THE
DIAGNOSIS OR TO OBTAIN
CORRECT TREATMENT
THE
BEEN PROVIDED BY A
ARE
PROVIDED AS ON
OFQUALIFIED
FROM
AND
THE
IF
A
vii
Page 8
-_
SCHILLER
SERVICE
HANDBOOK
SP-I0
Issue
Spirometry
2
July
Unit
1998
I
What's
THE SERVICE PHILOSOPHY FOR
MODULE
TION
AND
EDGE
WITH
The book
Chapter
The purpose of
to give
the operation and function of each key briefly explained. The information in
a
background to the
SCHILLER SP-10
Chapter
This chapter provides a functional overview of the SP-10 The functional description is supported
by functional block diagrams.
Chapter
in
this
Book
ALL
SCHILLER
LEVEL. THE
NECESSARY
REPLACE
OFTHE
STANDARD
a
2
SP-I0
is
divided into
1
-
Operating Elements
this
basic inbroduction to
-
Functional Description
PURPOSE
TO
ENABLE
A
FAULTY MODULE.
BUT
DOES
REQUIRE
WORKSHOP
the
chapter is
operating
Operating
PR.4CI'ICE.S.
following
to
provide
the
SP-10.
functions
Manual.
OF
THIS
BOOK
THE
SERVICE ENGINEER
THIS
BOOK
THATTHE SERVICEENGINEERIS
chapters:
an
easy reference for
This
chapter gives details of the operator controls with
only.
Complete operating information is provided in the
3 - Fault Diagnosis and Check Procedures
UNITS
IS
TO
PROVIDE
ASSUMES
all
IS
FAULT FINDING TO
ALL
THE
INFORMA-
TO
EFFICIENTLY LOCATE
NO
DETAILED
FAMILIAR
the
main
operator functions and
this
chapter provides
-i
KNOWL-
This chapter provides a guide to locate a fault
logical sequence of fault finding algorithms and procedures. Illustrations are provided
the text where needed.
Chapter
replaceable modules are also provided
of
and after replacement. Functional checks that must
also
Chapter
This Chapter provides the part numbers and reordering information for
Also
adjustment or fault finding procedures.
Chapter
The full technical specification
Chapter
This Chapter explains
diagrams.
4
-
Physical Overview & Module Replacement
This chapter gives
attributes of the unit briefly described. The physical description is supported by illustrations
showing the internal location of all modules. Removal and Replacement instructions for
tools,
jumper settings, adjustments, and settings or special requirements that
provided.
5
-
included in this chapter
6
-
7
-
an
overview of the physical construction of the
Spare Parts
are
Technical Data
Glossary
all
the acronyms and signal titles used in this book and
details of any
of
the
to
module level. The diagnostics are presented in
SP-10
with the
in
this
chapter. Each procedure is autonomous with details
are
required before
be
carried
out after replacing a new module
all
replaceable modules.
special
test
SP-
10
is given in
equipment or
this
chapter.
special
in
tools
the SP-10 circuit
to
main
required for
a
support
physical
all
are
viii
Page 9
SCHILLER
SERWCE
HANDBOOK
SP-10
Spirometry
Issue
Unit
2
July
I998
What’s in this
Circuit
Diagrams
The circuit
for information only.
diagrams
Book
&
Board
and component layouts
The philosophy of
ment
Our
information and
reserve the right to revise
improvements at any time.
Your
suggestions and comments are welcome. Please contact
the
SCMLLER
Layouts
are
provided for
We
Need
Your
SCHILLER
aim
is
to provide the
the
latest
Technical Documentation Department:
is
one of continuous improve-
user
technological developments. We
this
document and make changes
all
Help
with the most up-to-date
boards.
These
details
or
are provided
Fax
41 41
761
03
34
ix
Page 10
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spirometry
Issue
2
July
Unit
I998
X
Page 11
SCHILLER
SERVICE
SP-I
0
Spirometry
HANDBOOK
Issue
Unit
2
July
I998
c_
Chapter
Operating
I
Elements
Chapter
I.
Operating Elem en
1
ts
Contents
introduction
~Tv
SCHILLER SPIROVITSP-I0
The
Keyboard
Alpha
Numeric Keyboard
General Purpose Keys
Control and Function Keys
Test Function Keys
Connector
panels
Side Panel
Back Panel
Mains
Panel
1.2
I.2
1.4
1.4
1.5
1.6
1.7
1.8
1.8
1.9
1.10
Page
1.1
Page 12
Chapter
Operaring
I
Elements
-
SCHILLER
SERVICE
SP-10
HANDBOOK
Spirometry
Issue
2
July
-_
Unit
1998
Introduction
/
The
SCHILLER
The
SPIROVIT
capable of working in four measurement
0
Forced
0
Vital
capacity
0
Expired or Minute Ventilation
0
Maximum
In addition options enable resistance testing, and blood oximetry diagnosis
The
test
results are displayed on the integral
Theopenpneumotacho transducers
for respiratory measurement.
Three
RS-232
The unit
The
(designated
also
SP-10
SP-10
is
a
Vital
Capacity
Voluntary
interfaces and one
has
can
also
SEMA),
ventilation
facilities for connection
be
connected to the
for the validation and archiving
sophisticated compact work-station for pulmonary diagnosis. It
SP-20/SP-1 lO/SP-150,
RS-422
SPIROVIT
modes
as
follows:
LCD
and recorded on the built-in thermal printer.
interface are provided for
of
an external video monitor.
SCHILLER
SP-10
withdisposablemouthpiece,
PC
based
of
recorded
data
Iransmissiodreception.
data
management program
data.
to
be
carried out.
are
is
used
Page 1.2
Page 13
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
Unit
2
July
I998
Chapter
Operating Elements
I
Introduction
The main operating and connection modules of the
Keyboard
LCDScreen
Thermalprinter The printer provides hard copy of test results.
Right-hand Side Panel
Left-hand Side Panel
RearPanel
(cont.)
SPIROVIT
SP-10 are
as
follows:
The keyboard comprises the general function and control
data
keys, and the alpha-numeric keys for
The LCD screen displays the pulmonary traces and
operating and
the
display
entered
side
The
RS
serial
is installed, the disk drive
This
panel contains the paper
status
information. Under operator control
also
gives menu options
data
The display is folded
down
panel contains the Spirometry connector and the
COM~C~~IS.
When the floppy disk storage option
is
installed on
tray
entry.
certain
and
displays operator
when not
this
side
in
use.
panel.
and (below the paper
my) the program pack.
The
rear
panel
the
and
mains
mains
contains
connector
fuse.
the video monitor connector and
with
odoff switch, voltage selector
Page
1.3
Page 14
Chapter
Operaing Elements
I
SCHILLER
SERVICE
SP-I0
HANDBOOK
Issue
Spirometry
2
July
Unit
I998
The
Keyboard
Alpha
Numeric
The
alphanumeric
Keyboard
keyboard
serves
as
a
normal
keyboard
for
data
input.
Page
1.4
Page 15
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
Unit
2
July
1998
%_
I
Chapter
1
Operating Elements
The
Keyboard
General
Purpose
The general purpose
(cont.)
Keys
keys
to
the
right
of
the alpha-numeric keypad,
Call
up
main
menu /return
to
Monitor mode
Return
to
previous menu
are
as
follows:
The direction keys are
used
to
move the cursor in order
Change setting / disable
command
Change setting / enable
to
make menu selections
command
Page
1.5
Page 16
Chapter
Operating Elements
I
SCHILLER
SERVICE
SP-I0
HANDBOOK
Issue
Spirometry
2
July
Unit
I998
The
Keyboard
Control
and
The
Control
function key
(cont.)
Function
and
function
are
as
follows:
Keys
keys
are
situated
the
Switches
Switches the unit
Extend Paper Tray
Retract Paper Tray
unit
above
on
off
I
the
alpha
numeric
keyboard.
The
control
Print the best test result
all
Print
Select test result for print
Initiate data transmission
Initiate data storage
test results
and
Note:
Entry
Start selected
test
Stop printout
paper to start position
Slight
functional differences may
of
patient data
/
move
exist
in different modes
Initiate receive mode
of
general
the
settings
Enter details
Medical Assistant
Display
menu
Delete stored
measunnent
-.
Page
1.6
Page 17
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spiromtv
Issue
Unit
2
Jury
I998
Operating
Chapter
Eletnents
I
The
Keyboard
Test
Function
The function keys
and
their functions:
(cont.)
Keys
are
arranged
in
a
group
in
Display test reults
Flow
the middle
(against Volume)
of
keyboard. The
following
is
a
summary
of
the keys
Volume (against
Forced Vital Capactity test (Exhalation only)
Forced Vital Capactity test (Exhalation and Inhalation)
Vital Capacity
Minute Volume (volume in one minute)
Minute Volume (forced volume in
Reistance test (Option)
Test pre and post (medication)
Spo2
test (Option)
time)
one
minute)
Calibration
of
the
unit for the environmental conditions
Page
I.
7
Page 18
Chapter
Operaring Elements
I
c..
SP-I0
SCHILLER
SERVICE
HANDBOOK
Spirometry
Issue 2 July
-
Unit
1998
Connector
Side
Panel
panels
The following are located
1. 1
X
RS-232C interface (Port
2. 1 X RS-232C interface
3. 1 X
RS-232C
4.
1
X
RS-422 interface (Port
5.
LCD contrast control
6.
Connection for SP-20, SP-110 or SP-150 flow sensor for lung function measurements (with
or without resistance test facility)
7.
SpO, connection
interface (Port
on
the side panel:
1)
(Port
2)
3)
4)
Page
1.8
Page 19
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry Unit
Issue
2
July
I998
Chapter
Operating Elements
1
Connector
Back
Panel
panels
(cont.)
0
The
following connectors are located on
1.
Identification Plate
2.
MainsModule
3.
Connector
4.
Potential equalisation (ground) connection
5.
Local area network Connector (Option)
for
external video
0
the
back panel:
Page
1.9
Page 20
Chapter
Operating
I
Elements
Connector panels (cont.)
SP-10
SCHILLER
Spirometry Unit
SERVICE HANDBOOK Issue
2
July
1998
~
-3
I
.I
.
Mains
Panel
The following are located on the
1.
Mains
fuse
(200
mA
slow) and
2.
Mains
connection
0
mains
voltage
panel:
selector
3.
Voltage
4.
Power on
indicator
I
off
switch
(mains)
Page
1.10
Page 21
SCHILLER SP-I0 Spirometry Unit
SERVICE HANDBOOK Issue
comprises the following boards and major functional
Power Supply
Processor Board
areas:
The power supply rectifies the mains input
all
the required voltages for the
rechargeable
the power for the printer
for about
The Processor Board
and contains the
unitRAMmemory.
Video
conversion circuit for the LCD
Program Pack containing the unit software
Print control, keyboard
circuits
The
Processor
following connectors:
Serial
transmission
for
12V
batteries. connected in series, provide
and
45
minutes,
signal generation circuits and the videoLCD
RS-232
data
evaluation and storage.
when mains is not present.
is
themaster control for
main
CPU, system timing circuits and the
This
boardalsocontains the following:
Board communicates externally over the
and
to
other units or
SP-10
enable
timing,
RS-422
to
electronics.
the
SP-10
and graphics control
interfaces for data
an
external computer
and
generates
to
operate
all
peripherals
Two
Interface Board
LCD/Keyboard Buffer Board
Video connector for connection of an external
monochrome
signal reflects the current LCD display.
Spirometry connector for connection of a spirometer
(SP110).
The Interface board contains the following:
Paper mark detection circuit
Thermal print head
Stepper motor control circuit
Control circuit for the paper tray dc motor
This board buffers the
the high voltage circuit for the LCD.
VGA
standard monitor. The digital video
data
buffers
LCD
and keyboard
data
and contains
Page
2.3
Page 24
x
SNlVW
tllOLI-dS
Page 25
c_
SCHILLER
SERVICE
SP-I0
Spirometry Unit
HANDBOOK
Issue
.
..
-
2
July
1998
Functional
Chapter
Description
2
,.
.
'.
..
.
.,
...
Overall
Power Supply
Mains
The voltage selection switch connects the supply to
transformer. The ac voltage
+27V.
required by the
The power
is controlled by the following conditions:
0
0
0
Two 12V batteries, connected in series, directly provide the power for
provide power for the switching regulators when
battery
Processor
The SP-10 is controlled by a high speed, CMOS
bit address bus. The clock speed is 16.7 MHz. The processor works
gate array which
comprises
measured
unit software comprises 256kSytes
Functional
is applied
This
On signal from the keyboard
Off signal from the Microprocessor (Off key pressed on keyboard, 5V supply below 4.75V)
Overcurrent condition on the +12V
is
to
voltage
SP-I0
odoff
monitored by a battery charge monitor circuit.
and
Memory
is
256
kByte of static
data
and other variables and an EEPROM holds the operator selectable parameters. The
Description
the power supply viaamains filter,
is
then rectified to produce a resultant dc voltage
is
applied
electronics.
control circuit switches the supply voltage
custom programmed
to
regulator
RAM
circuits
rail
to
perform specific
and 2MByte of dynamic
of
EPROM
odoff
the
relevant winding
which generate
mains
is
not connected. The charge state
68OOO
processor with a 16-bit data bus and
contained on the program pack.
switch andavoltage selection switch.
of
the mains isolation
of
approximately
all
of
the dc power supplies
to
the regulators. The power odoff
the
thermal printer, and
of
the
23-
in
conjunction with adedicated
tasks.
RAM.
The working
The dynamic
RAM
RAM
memory
holds the
The keyboard
Keyboard Interface circuit When a key
board for interpretation
Printer
Control
The Thermal Print Head
The print head controller serialises the patallel
The Timer circuit controls
out.
The printer motor speed
is
a matrix style circuit which is periodically scanned by the processor via the
is
pressed the key information is clocked to the processor
by
the master CPU.
is
controlled by the Print Head Controller circuit and the Timer circuit.
data
written by the CPU into a
how
long current is applied to the head, and thus the intensity
is
controlled by the master CPU
via
the Timer circuit.
16-bit FIFO
of
the print-
register.
Graphics Control
The display
The graphics processor
to
an
/
data
LCD signal
is
generated in the graphics processor circuit under the control of the master CPU.
outputs
a VGA standard serial video signal. The video signal is converted
by
the Video - LCD circuit.
Page
2.5
Page 26
Chapter
Functional Description
2
-_
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spirometry Unit
Issue
2
July
1998
I
Overall
Miscellaneous
Spirometry
The
clockedintoashiftregkterin
on the
Video
The
connector reflects
Serial
The
sion
signal level compatibility with
required
Functional
Description
Inputs/Outputs
serial
input
signal
from
the spirometer
theinterfacecircuitand, whenenabledthe
data
bus
for
interpretation by
the
Connector
video
connector outputs the
the
Same
serial
video signal generated by
data
as
that displayed on the LCD.
Ports
Communications Controller contains
and
reception
or
of
data
The Communications Driver circuit contains interface circuits
RS-232.
when longer cable lengths
The
are
(cont.)
is
connected to the interface circuit. The serial
datais
present din parallel
master
CPU.
the
USARTS
RS-422
used.
which generate
connector
is
graphics
serial
used when high
processor.
signals
for
data
The video
the
transmis-
to
rates
data
is
ensure
are
'/
I
4
Page
2.6
Page 27
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
Unit
2
July
I998
Chapter
Functional Description
2
Page
2.7
Page 28
...
Chapter
2
Functional
Power
Mains
filter incorporates
switch-on. After a few seconds the resistor
supplied. The voltage switch ensures
is
The transformed ac input
approximately
generate the
The switching regulator comprises a pulse widthregulator chip
FET(Ql).TheFETactsasaswitch
D4
The pulse width set by
by the feedback on the current sense
VRI).
An
exceeds
The overvoltage protection circuit monitors the output voltage viaQ3 which
Secondary windings of T2 provide voltages of 13V and 25V. These
regulators to produce the regulated -12V
distribution
is
formed
(via
is
I
Unit
Issue
2
July
1998
(cont.)
R47)
to
control the switching oscillator
by
U4.
given on the following table.
IJlJlJl
Functional Description
which
monitors the
W5B,
and
-18V supplies respectively. The power supply
ac
feedback (via C24) and
C17). A gate
are
booster
used by linear voltage
for
the power
Chapter
dc
2
Battery
Controller
The battery controller circuit measures the ChargeJdischarge current
CPU to calculate the capacity of the battery. The battery controller circuit
LED
to give a visual indication when the battery is charging and when the
power.
The negative side
an
gives
amplifiers U15C and U15A form a current rectification
which is fed to a current frequency convener Circuit. The current/frequency converter provides
frequency output that
of the current/frequency converter clocks
discharge current and chargeldischarge time of the battery, and thus
battery.
The frequency
mately 31.3Hz.
The counter counts up when the banery is discharging and
count is converted
charge state
is
The counter is preset when the battery is
which acts
Via Q23, the
(via
indication to the counter of the current direction ie charging or discharging. Operational
OV.
Q24)
of
the battery is connected
is
directly proportional to the battery charge or discharge current. The output
of
the currenrffrequency converter at a charge or discharge rate of 1A is approxi-
to
an
analog
value by
of
the battery. When the battery is
as
acurrent sense and
PRESET
to
light
signal goes low and the counter is preset to
the battery
goes
LED
when the battery is charging.
to
acurrent sense circuit.
and
an
up/down counter which is used
down
D/A
converter U13 for
fully
charged ie counter
fully
charged. This
high when the charging rate of the battery is less than IOmA.
is
of
the battery
also
Operational
measurement circuit the output
to
the
actual capacity
when the battery
use
by
the CPU in determining the
all
’1’s
carried out by a comparator U14C
all
-1’s. This circuit is
to
enable the
controls the battery
unit
is using battery
amplifier U15B
indicate the charge/
is
charging. The
the DAC output
also
of
used
of
a
the
Page
2.9
Page 30
1
RS-232
PORT
RS-232
PORT 2
3
AS-232
PORT
PORT
RS-422
VIDEO
CONNECTOR
Diagram
Block
Functional
-
Processor
1
SP-
Page 31
SCHILLER SP-I0 Spirometry Unit
SERVICE
HANDBOOK Issue
2
Julv
I998
Chapter
2
Functional Description
.
--
I
..
.
Processor
Board
CPU
Overall
tray caniage
is the
of
Program Pack
The Program Pack comprises two EPROM chips containing the SP-10 software. The EPROMs
each have 256 or 5
by
Memory
Dynamic RAM
control and coordination
68000
the gate
To
decode
motor).
and it works
array
is by the CPU
circuit
the address bus (A17 to
are
of
all
circuits
(U46)
in
conjunction with a
as
follows:
A23)
situated on the Microprocessor Board. The CPU
and generate the chip select (CS) signals for the
memory and the peripherals.
To
generate interrupt priority
signals
(PLO, IPL1, IPL2) for
highest priority interrupt is ’7’ the lowest -1’.
To generate the row address strobe
multipiex control signals for the
12
Byte of memory which is addressed by Address lines A0 to
(RAS),
Dynamic
RAM.
the EPROM CS signal.
and
all
peripherals (with the exception
dedicated
gate array IC (U47). The main functions
the
main
processor - the
of
column address strobe (CAS) and address
A20
and enabled
the paper
used
The Dynamic
generated
by
the gate
RAM
comprises four 1 Mbyte
array
(U47). The
control protocol at approximately
Printer pixel pattern
Printer text data
Static RAM and
The
two
128k
EEPROM
RAM
chips (U25 & U26) are addressed viaaddress lines A0 to A19; they are enabled
by the CSSRAM signal. The static
not
lost when the
The static
unit
is
RAM
stores the following:
switched off.
Test Data
Patient
data
The
SP-
10
EEPROM
64k
EEPROM chip (U27). It shares
memory stores some
RAM
modules. The
RAM
data
is
transparently refreshed
ZkHz.
The Dynarmc
RAMS
use the back-up power supply
user
defined parameter settings and comprises a single
an
enable signal (CSRTCC) with the real time clock
RAM
stores the following
RAM
control signals are
via
so
that the stored
CAS before
data:
data
(U30).
RAS
is
Page
2.1
I
Page 32
Chapter
Functional
Processor
2
Description
Board
Communications Controller
The Communications Conaoller carries Out the following functions:
Controls the
serial
(cont.)
ports
SCHILLER
SERVICE
SP-I0
Spirometry
HANDBOOK Issue
2
July
Unit
1998
1
d
I
Provides synchronization
The communications controller comprises
ROM
to
control the
Controller and the
CPU,
serial
interfaces and
is
via a dual
of
the
peripheral
devices
a
single chip processor
Data
port
RAM
(U13)
YO
with
ports.
which
the CPU
(U14)
with
Data
between the Communications
acts
as
a
data
the CSCC signal.
Temperaturesignalfromthethermalprintheadisinputto
the
ADconverterofthecommunications
controller processor.
Communication over the
controllers monitor
"I7
RS
ports
two
RS
ports
PORT
1
present
1
PORT2-notusedat
is via
as
follows:
-
not
Dual
Communication Interface Controllers. Each of the
used
at
"I6
PORT
TRANSMISSION
]
PORT4-
The enable signals for the communication controllers are generated by U14
converter
(LJlS).
built in
buffer. It
3
-
DATA
via
a
RAM
is
selected by
binary
to
octal
and
Thermal Print Head Controller
Page
2.12
The Thermal
chips and
fust out
10 input,
in the required format for the printer.
so
that each pulse is repeated eight times.
TPD
is
MHz
temperature control for the print head
programmable timer), which is
Print
latch
buffers.
(FIFO)
memories
8
output
the print head
serial
data
Head Controller circuit comprises programmable generic array logic
GALS
clock. The output
Data
to
be
printed
is
presented
(v60
and
U61)
in
two
are programmed to serialise
To
ensure asuperior quality print the print head
This
serial
data
signal, TPSO and
to
the printer
is
set by the
strobed
by signal TGATE (6kHz).
on
the
data
bytes (lower
dara
from the
is carried out by
TPS
1
are printer strobes, and
is
synchronized
TPDUR
signal (thermal print duration from the
-
DO
FIFO
bus and
strobed
to
D7,
upperD8
FlFOs
memories and send
memory U59.
with
the 1.9kHz clock. The
(GAL)
through Fist in,
to
D15). The
data
is
'cycled'
TP
clock
is
the
it
4
Page 33
SCHILLER SP-10
SERVICE
HANDBOOK
Spirometry
Issue
Unit
2
July
c-
1998
Functional
Chapter
Description
2
L
Processor
Board
Programmable Printer Timer
The Timer circuit comprises U28 and
encoded on the
are as
follows:
MCLK
ISYS
TPDUR
ALBEEP,
The timers are addressed
of the master clock input, is 5
data
KBBEJZP
Graphics Controller
A
VGA standard signal
31.8
kHz
and a vertical sync of
associated components. The video controller also generates
(HSYNC, VSYNC etc).
(cont.
bus. The
The duration
CPU, from the resistance
ambient temperature
Audio signals
by
address line A1 and
(480
1
and
Beeper
U29
which decode the timing instructions from the CPU
Timers
are
accessed by the CSEE signal. The timing signals produced
The printer motor clock. The faster the speed
faster the paper feed.
A
general purpose timing clock of
(determines sampling
that
rate,
the print head is
of
of
the print head.
for
the
alarm
A2
to select the required timing. The frequency
MHz.
rows
with
640
pixelskow
60
Hz),
is generated
by
2
Wz,
used
printing
with
rate
etc.)
heated.
This is calculated
the print head and the measured
and keyboard beeper.
a horizontal sync of approximately
a graphics processor chip
all
the necessary protocol signals
of
the motor the
as
system interrupt
(U39)
by
the
and
The parallel
which together convert the 16-bit parallel output from the video controller to the required serial
video output. Two
picture freeze when required. The video signal to the VideoLCD Converter is gated with signal
SCINV
Certain control and enable
Video
-
The videoLCD converter chip (U74) generates
LCD and converts the
lower control and
memory for the converter chip
Power
The Power on reset circuit is formed by
master reset of the CPU. This circuit has three functions
Provides a delay on
to give the
Ensures that the system is inoperative and in Reset mode when the
the Program Pack
Disables the unit
data
output of the video controller
RAM
chips
(U31
and
which inverts the screen image (changes the LCD
signals
from the
LCD
Converter
serial
video signal into the correct format for display. Four upper and four
data
signals
are output to the LCD along
is
provided (U75).
On
Reset
U54
initial
switch on
20ms
reset time required by the
is
not present
if
the +5V
rail
drops below 4.75V.
is
fed
U32)
form a latch circuit for the pixel memory and allow
video
controller
all
and associated components. The circuit controls the
to
ensure that the power supply is
68000
to
the
timing
processor.
two
8-bit shift registers
to
white on black image), when set.
are
further decoded by
and strobe signals required by the
with
two
clock signals. A working
as
follows:
SYSEN
(U33
fully
stabilized and
indicates that
GAL
and
U34)
U38.
Page
2.13
Page 34
-_
Chapter
Functional
InteMace
2
Description
Board
Thermal Printer Control
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spirometn,
Issue
2
July
Unit
I998
*.
The Thermal hnter stepper motor
from the processor
gives a paper speed of
incorporates a current sense circuit
is
active and the motor stopped. Pull-up resistors on the output lines protect against spikes from the
stepper motor.
The printer
and
TpS1)
Because
a stable supply to the
The paper mark detector
operational
optocoupler
PM output
of
is
the enable signal for the controller and the MCLK signal sets the speed;
2.5
data,
the strobe and the clock signals
are
2H2,
the clock (TPCLCK)
the high power peaks
thermal
is
amplifier
is
is
(IJ4)
to set the
0.4V
to
0.6V
logic 0 when a paper mark
is
controlled by stepper motor controller
mm/s,
2.09kHz
drawn
print head (via
an opto sense circuit. The output from the detector is fed
PM
for
white
gives a paper speed
If
the current
by the
signal when a paper mark is detected. The input from the
paper and
is
drawn
are
buffered by
is
4MHZ
WH.
the
controller).
3.5V
detected.
is greater than
and the latch frequency
reservoir
to
4.OV
of
U5.
The strobe frequencies (TPSO
capacitors on the
for black paper ie paper mark. The
25
U1.
The MON signal
mm/s.
The driver circuit
100
mA
the sense signal
(TPL)
+24V
is
209Hz
2kHz.
rail ensure
to
-,
an
Page
2.14
Page 35
SCHILLER
,
SERVICE
SP-I0
Spirontetty
HANDBOOK
Issue
Unit
2
July
1998
Functional
Chapter
Description
2
3
Interface Board
(cont.)
Paper Carriage Control
REPUCE
PAPER
-0-
4-
FROM
CPU
I
I
RUN.
STOP
GlCT
I
CURRENT
SENSE
PAPER
MOTOR
TRAY
The paper tray carriage motor control circuit works independently from the
power supply which
extended, the power supply
Paper
Pressing the
signals
+UB
by the
The
by U6C,
U7A
Tray
REPLACE
to
a preset circuit state. Signal
supply. cUop
5Vod
supply.
5Vod
also
U6D
and
U7B.
polarity motor
sense circuit and when
is fed back via a delay circuit,
incorporated
motor
to
is
initially activated.
is
enabled only when the paper
is
inactive.
Not
Extended
acts
PAPER
is
regulated by
as
the
‘start
key switches the power supply on and presets some internal
EJCT
switches transistor
U4C
to generate the
signal’ to operate the motor via a delay and timing circuit formed
and associated components. This sets the
The flip-flops enable the motor confrol chip
(GO
IN,
GO
OUT
signals). The motor controller incorporates
the
paper tray
is
fully
extended the motor controller
to
reset the flip-flops and stop the motor. The delay circuit
my
is
in
use; when the paper tray
47
on
to
generate +Uop from the
+5V
supply (5Vod)
ENABLE
U8
and
INIT
and set the direction of the
sets
prevent the motor being stopped prematurely during the power surge when the
CPU
and
has
its
is
and
47
is latched on
signals
to
flip-flops
24V
dual
an
‘H’bridge current
the sense line which
(C34)
own
not
is
Page
2.15
Page 36
-..
Chapter
Functional Description
Interfuce
2
Board
(cont.)
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spirometry Unit
Issue
2
July
I998
-
,f
L
-
%>9
Paper
When the paper tray is extended, pressing the
and activates the
signal to the motor controller.
current sense circuit
When the tray
the +Uop
The flip-flop control circuit monitors the printer motor
motor via the
REPLACE
Tray
has
rail
and switches
run
PAPER
Extended
EJECT
signal.
stops
returned, the
signal
(paper
key
is
pressed when either the printer motor, or paper tray motors are active.
The printer check is entered from the settings menu; press the
keypad,
A
lines are even
the print-out for evenness of print.
and
Adjustment Procedures
check the printer and to ensure that every pixel
to
display the settings menu and press
print-out of a series of diagonal lines
and
unintempted. Any faulty print-head pixels will
will
be
(cont.)
is
operational,
<p>
to commence the printer
given. Carefully examine the print-out and ensure that
a
built-in printer
~SETI”GS>
-
FAULTY PIXEL
be
seen
key
as
a
horizontal white line. Examine
test is provided.
on
the left
test
of
the
all
the
If a faulty pixel
is
detected the printer must be replaced. If
the
darker at the top than the bottom), it indicates that the printer alignment
out
is
too
faint or
too
dark,
check that the correct resistance
is
Paragraph ‘Printer Resistance‘ below.
Printer Resistance
Check
that
the correct resistance of the printer
Note: The printer resistance will
1.
Display the settings menu by pressing the
be
When in the settings menu press<> (Test).
2.
R
TPH is
the
resistance
shown).
value
value
To
enter a new resistance press
is
highlighted and the correct resistance
has
been entered, press
accept a resistance range
of
the printer (See Paragraph ‘Service Screen’ for
<ENTER>
of
between
is
entered in
the
found on a label attached to the printer.
<SETTINGS>
</>
(slash key).
can
to
save the setting. Note
lo00
and
1800
key on
The
be
entered. When the correct resistance
Ohms.
print-out
is
uneven (for example
is
not correct.
entered in memory
SP-10 memory
the
left
of
as
the keypad.
the
first figure of
that
the
the SP-10 will only
If
the print-
as
detailed
follows:
display that
resistance
in
is
Page
3.20
Page 57
SCHILLER
SERVICE
HANDBOOK Issue
SP-I0
Spirometry
Unit
2
Julv
I998
Fault Diagnosis
Chapter
and
Check Procedures
3
Check
and
Print Head Alignment
Printer alignment
screws
so
out.
Adjustment Procedtlres
is
achieved with the three print head alignment (tensioning) screws. Adjust the
that they
are
slightly indented
below
the frame. Adjust to achieve the best quality print-
I
P32
I
GUARD
(cont.)
p29
PRINT
DATA CABLE
HEAD
PRINTHEAD
TENSIONING
SCREWS
(X3)
VRI
P4 P23PRINTHEAD p24-TO PRINTHEAD
(TEST
POINT
1)
DATA CABLE PHOTO RETAINING
SENSOR ROD
Page
3.21
Page 58
Chapter
Fault
RS
3
Diagllosis
Interfue
RS
-
and
Interface
-_
Check Procedures
Testing
Error
messages
SCHIL.LER
SERVICE
SP-I0
HANDBOOK
Spirometry
Issue
2
July
Unit
I998
,'
The following errormessages
are
displayed,
SERIAL
TRANSMISSION
or
DATA SET
carry
LINK
out the checks suggested.
TIME-OUT
ERROR
NOT
READY
are
associated with
This
remote unit (after approximately
0
0
0
0
0
This is a general fault indication
0
0 Check that the connecting cable is correctly plugged in
0 Check the integrity
the
RS
Interface.
indication appears
Check that
correct parameters
Check the correct set-up in both units (<STORAGE>
key)
Check that the connecting cable
Check the integrity
Units)
If
using a modem ensure that it
the remote modem
Check that the remote unit
correct parameters
units)
the
remote unit is switched on and set
If
any
of
these
emr
if
no signal
of
the cable assemblies
of
the
is
received from the
30
seconds).
is
correctly plugged in
is
communicating with
is
switched on and set
cable assemblies (at both
messages
to
the
(at
both
to
the
NO
DATA
IN
MEMORY
RS
Seif
Test
with
Test
Plug
The RS interface self test ensures that the
functioning.
1.
Connect
2.
Switch
Select option RS-test (menu option
the
the
To
SP-10
carry
out the
RS
test cable to
on. Press
RS
self test proceed
RS
the
0
If
using amodem, ensure that it
the remote modem
A
data
transmission
stored in the
memory
message appears, change the Processor board.
ports
4E"GS)
5)
and
RS
communication circuit on the Processor board is
as
1.2,
and 3
key
to
display the RS-test options:
has
been attempted, but no
units'
memory.
attempt the transmission again.
follows:
as
indicated on the RS plugs.
to
display the settings menu
is
communicating with
Store
a
data
is
measurement in the
If
the same
.
Page
3.22
Page 59
~
..
.
. ..
..
..
.
.~. . .
. . .
.. . . . .
..
. .
.
..
~
..
SCHILLER
SERVICE
RS
SP-I0
Spirometry Unit
HANDBOOK
Issue
2
July
Interface Testing (cont.)
3.
Press
<T>
to
commence the
1998
RS
self
test with test plug.
Fault Diagnosis
and
Check Procedures
Chapter
3
The self test
appears on
Test
If
this
assembly
Test
When this test passes
starts
the
Failure
test
fails
is
correct, a fault
Pass
and a pass (audio sequence)
LCD.
An
audible indication
is
or
given
fail
(TRANSMISSION
that
the test is complete.
ERROR) message
ensure that the cable assembly is wired and connected correctly. If the test cable
is
indicated on the Processor Board
it
indicates that the
SP-10
is
functioning correctly and
or
Power Supply.
that
the fault lies in
the remote equipment, the transmission line or that the protocol of the two communicating devices
are
incompatible.
Check that
Reset
all
settings ( Line
settings compatible in
Check the integrity
all
settings
all
settings
(Parity,
Stop bit) and the Baud
to
ensure compatibility between the communicating devices. Check that
or
Modem, Record
both
the
of
all
cable connections. Are
or
Block) are correct for the application. Are the
uansmitting
and receiving devices?
rate
are the same
all
cables correctly connected
in
both devices.
to
the programmed
port?
Page
3.23
Page 60
Chapter
Fault
RS
3
Diagnosis
Interface
and
Check Procedures
Testing (cont.)
RS
Test
Cable
PDRT
Art,
3
No.
2.310
SCHILLER
SERVICE
042
SP-I0
HANDBOOK
Spirometry
Issue
2
July
Unit
I998
I3
6
I
2
7
8
RTSl
CTS 1 (Input - Clear
DSRl
DTRl
Out ( Data Output)
In
(
Input Data)
(
Output
-
Request
(Input
-
Receive
(
Output
-
AT-60
Ground
to
to
Send)
Unit
Ready)
I
Send)
Ready)
Page
3.24
Page 61
SCHILLER
SERVICE HANDBOOK Issue
RS
SP-10
Spirometry Unit
Interfme
Test
Input / Output
The
test
Use
these
the cable assemblies, connectors etc. between the communicating
Testing
transmission
test
options
2
July
1998
(cont.)
/
test
reception options enables a test sequence
to
ensure that the receiving and transmitting units
Fault
Diagnosis
to
be
generated and received.
can
communicate and that
units
are
good.
and
Check Procedures
Chapter
3
The test message generated is a string of
the
test
transmission/ reception option
unit are displayed on the
indicating that
To
perform these tests, you will need a second
to
be
connected
Windows 95TM. The following equipment is needed:
A
personal computer
An
the
094 and
1.
Start
Hyperterminal.
a
RS-232
SP-10
cable assembly,
with the COM
an
adapter
from Windows 95 desktop. Click on
..................................
IAT&T
;.""
LCD
in
test transmission is in progress.
to
an active terminal. for example the
(PC)
with Windows 95TM Hyperterminal installed.
port
DB
9 / DB
Maill
-...
..""....""-.
:
all
ASCII
is
selected the string
the
receiving unit.
Art.No. 2.310
of
the
PC.
24,
Art.
No.
AT-1
04
characters - ABCD
In
SP-
10
159, for connecting the
This assembly consists of a cable,
2.100
START.
....
12
M....
abcd... etc. When
of
characters sent by the transmiaing
the transmitting unit a message is displayed
unit, or the
552.
SP-10
RS-232 (#3)
Hyperterminal,
Select Programs / Accessories
which
RS-232 (#3)
interface has
is
available under
interface on
Art
No.
2.310
/
AT-4
2.
Double-click
OK.
CompuSe
on
Hypertrm(.exe). Enter the name
...
Hypertrm
MCI Mail
SP-10
for the new connection and click on
Page
3.25
Page 62
Chapter
Fault
Diagnosis
3
and Check Procedures
SCHILLER
SERVICE
SP-I0
HANDBOOK
Issue
Spiromtry
2
Julv
1998
Unit
RS-232
3.
4.
Transmission/Reception
Set
the
direct connection to the proper
Enter the
port
settings
19200,8,
N,
1,
COM-port
Hardware
Test
and click
and
confirm with
,
.f
OK.
OK..
Page
3.26
5.
6.
7.
You
are now
Go
to
rab
Click on
in
the
SP-10
Hyperterminal window.
Settings and set Terminal keys,
ASCII
Setup.
Auto
Click
detect and
on File and select Properties.
500
buffer lines.
,
Page 63
SCHILLER
SERVICE
SP-10
Spirometv
HANDBOOK
Issue
Unit
2
July
1998
Fault
Diagnosis
Chapter
and Check Procedures
3
RS-232
8.
You
Transmission/Reception
Check the
"Wrap lines that exceed terminal width". Confirm with
back
are
boxes
to the open
now
ready
for "Send line ends with
Hyperterminal
to
start
the
window.
input and output
line
tests.
Test
feeds",
(cont.)
"Echo
typed
OK.
Click once
characters locally'' and
more
on
OK
to
get
Test Output
On the
SP-10,
Baud rate to
3
with key
Press
The
Hyperterminal window on
a>.
key
SP-10
19200,
<O>
now
press the
key
<p>
(Output)
sends
<SETTINGS>
to
set parity Nand key
Test
output on channel n' on the
a
string
of
alphanumerical charactm, which
the
PC.
key and select
<S>
<5>
RS-Test.
to
set the stopbit to
SP-10.
Use
the
+/-
1.
are
echoed in the
keys
to
set the
Set Channel No.
Page
3.27
Page 64
Chapter
Fault
Diagnosis
3
and
Check
Procedures
SCHILLER
SERVICE
HANDBOOK
SP-10
Issue
Spirometry
2
July
Unit
1998
RS-232
Test Input
of
Transmission/Reception Test (cont.)
345671119:
Stop
In
the RS-232
On
;~>?~~CDEPGHI.JKLUNOEQR~T-
the test by pressing key cQ> (Quit) 'End
the
RS-232
the
test
PC,
test
window
type
any
window, press
is
the
erased to
characters and verify
key
be
able
of
<I>
(Input)
to
display incoming messages.
that
they
test
inputloutput'.
Test
input on channel n'. The
are
echoed on the
SP-10.
upper
part
3
45
678
9:
;
<=>?
This
i.3
an
Stop
the test by pressing key
Error Codes
The error codes shown
DSR
BD
FE
OE
PE
TXE
RxR
Data set ready
Break detected
Frame error
Overrun error
Parity error
Transmitter empty
Receiver ready
@ABCDEFGHIJ'KLMNOPCIRZT
RZ-232
test
-
<Q>.
at
the
bottom
Leave the RS-232 test window by pressing
of
the display have the following interpretations:
ESC.
Page
3.28
TxR
Transmitter ready
Page 65
SCHILLER
SERVICE
SP-10 SpirometQ' Unit
WDBOOK
Issue 2 July
1998
Interface Board Adjustments
Chapter
3
Fault Diagnosis and Check Procedures
One adjustment is possible
the
paper
mark
detection circuit
used
for
calculation
Paper
When
displayed. Before
window
Jammed
the detection circuit does not recognise the paper
carrying
is
clean.
on
the Interface board - Paper
threshold
of
print-out commencement position, paper detection, paper present etc.
Indication
the paper
mark
P32
GUARD DATA CABLE
Mark
(VRl).
This
pre-set
is
used
to
adjust
so
that
the paper
mark
mark,
is
recognised. The paper
a paper
jam
error message
mark
may
adjustment procedure. ensure that the paper detector
P29
PRINT
HEAD
P24
-
TO
PHOTO
SENSOR
is
be
P22-TOTP
MOTOR
P4
(TEST
POINT
Interface
1)
Board
MK
TO
PAPER
CARRIAGE
8-5
,,!TO
Page
3.29
Page 66
Chapter
Fault Diagnosis
3
and
Check Procedures
SCHILLER SP-10 Spirometry
SERVICE
HANDBOOK
Issue
2
July
Unit
1998
Interface
Paper
Mark
Set the paper
1.
Connect a digital
2.
Switch the
NB
Board
Adjustments
Adjustment
mark
threshold
voltmeter across the
unit
on and adjust
>3.5v
0.4
to0.5V
IF
THE
DETECTION
ADTUSTMENT,
as
follows:
VR1
to
when the
there
when
DOES
ENSURE
THAT
(cont.)
P4
connector
obtain
a reading
black
paper
is
no
paper
NOT
RECOGMSE
THE
(test
as
mark
mark
PAPER
point
1).
follows:
is
under
the
paper
mark
detector
under the detector ie white
THE
PAPER
MARK
MARK
WINDOW
AFTER
IS
CLEAN.
paper
-1
*
-I
\
Page
3.30
Page 67
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
Unit
2
July
I998
Fault Diagnosis
Chapter
and
Check Procedures
3
I
,
..
.-.
i
1
Service Screen
The service screen provides readings
print head resistance
To
enter the service screen press
T
(for test)
The following display
This screen gives the following
R
TPH
and
setting
is
Printer Resistance
of
some
of
the
intend
option.
the
shown:
settings key
<SEITINGS>
data
and adjustments:
to
display the Settings menu then press
<T>
Setting
offsets
and also contains the thermal
the
letter
The value indicated here is the resistance
resistance to ensure a
good
quality
of
the thermal print head and must
be
set to the correct
print-out. The print head resistance is found on a label on the
printer.
To set the resistance
now highlighted and the new resistance value
loo0
Ohms
and less
user
is
prompted to enter the value again. When the resistance
T
TPH
This displays the thermal print head temperature. and the
of
the thermal print head press
than
1800
Ohms.
If
a resistance value outside
d>.
The
first
figure of the resistance value is
can
be
entered. The entered value must be more than
of
these limits
is
thermal
set press
print head temperature in volts
<ENTER>.
is
entered, the
(received from the transducer).
B
TEMP
and
AIN6
This displays the battery temperature, and the battery temperature in volts (received from the
transducer).
BV
and
AINO
BV
indicates the voltage level of
generated by the power factor controller from the
of
+US
voltage level
diagram)
and
shown
when working from
is calculated from the
on this screen
the
mains,
indication (signal BA'ITV)
when working from the
mains
+US
(that
as
AINO.
and
between
is
4ooomV+100
is
the battery voltage, or the primary dc voltage
mains
(and
used
for battery charging)). The actual
BATW
The value
+24V
signal (sheet
of
BV
and
+21V
5
of
the power supply circuit
is
approximately
when using battery
26.8V
power.
(nom
The
+27V)
AINO
when working from the battery and 440OmV+100
Page
3.3I
Page 68
..
.
Chapter
Fault
3
Diagnosis
and
Check Procedures
Service Screen
BCHARGE,
AINl
gives a voltage value indicating the loading control level of the battery (from the
BAnZC). The voltage range
25OOmV
Because every battery varies,
it knows when
capacity of the
discharged
new battery.
The BCHARGE indication shows the remaining
signal
Note:
indicates
to
installed
a
minimum of
(AINl
indication).
The battery capacity displayed on the
capacity
remaining capacity displayed
as
that
and
Printer Resistance Setting (cont.)
AINl
and
B
CAPACITY
is
GmV
to
that
the battery is fully discharged.
the
processor initially calculates the capacity of the battery
generate the battery
battery. When anew battery
two
of
the battery and
shown
for BCHARGE.
times,
low
so
is
that
SCHILLER
SERVICE
25OOmV
signal
calculated
in
(OV
indicates
-
the B CAPACITY indication gives the calculated
is
installed,
the processor
battery
capacity and is calculated
LCD
information
from
the information
that
itmust
can
accurately assess the capacity of the
B
CAPACITY and
box
will
HANDBOOK
the battery
be
fully charged and fully
box
is the actual remaining
AINl .
not necessarily
SP-I0
Issue
PSU
-signal
is
fully charged,
so
from
BATI'L,C
The
be
the same
Spirometry
2
July
that
Unit
I998
Page
3.32
Page 69
-_
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue
Unit
2
Julv
1998
Fault
Diagnosis
and
Check
Chapter
Procedures
3
Unit
Sohare
To
check the software version of the
installed,
The software version and the
press
the setiings key followed by the letter
installed
unit
and to display
options
all
x:
are
displayed on the
the sysrem~ options
LCD
as
follows:
that
have been
The top line gives the equipment name and the overall system software version of
the uniC that is the software version of the EEPROMs in the
followed by a combination of characters to indicate the type of software (or basic
options) that is installed.
The second line gives the software version of the communications controller on the
Processor Board
Below the software version derails is the options line. This details the options that
are
installed. These are
0
RES
The number below, and to the right of the Copyright notice, is a counter
number of unauthorized attempts that have been made to incorporate extra options to
the unit.
Important
upgrades
The number immediately below the unauthorized attempts counter is the system
serial
number.
The options on the bottom of the screen are the software updates that
incorporated into the unit when the correct code is entered.
these software options the code must
and
<->
keys and the
Schiller
AG
-
COMM:
-
Lung Resistance
-
only
9
attempts are allowed and
are possible.
<ENTER>
through
your
as
follows:
local
0.1
be
entered, the option selected with
key pressed. The code
dealer.
if
this
figure
To
can
Program
exceeds
Pack. This is
of
9,
no more
can
incorporate any of
the
be
purchased from
the
be
<+>
Page
3.33
Page 70
Chaprer
Fault
Y
Replacing the
3
Diagnosis
and
Check Procedures
Flow
Sensor Filter
SCHILLER SP-I0
SERVICE HANDBOOK
Spirometry
Issue
2
July
Unit
1998
!
4
I
Spirometer
The
1.
Remove and discard the mouthpiece.
2.
Remove the rubber adapter by pulling
3.
Remove the inner tube of the flow sensor by pushing it out of
of
SP-20 / SP-110 / SP-150
filter is the only serviceable item on
the red location
marks.
Once
the
the
flow meter.
it
away from the inner tube.
tube
has
To
been pushed
replace
half
the other side.
4.
Unscrew the two halves of the inner tube and remove and discard the filter.
5.
Clean and sterilize
all
parrs of the inner tube, the rubber adapter and the inside of the outer
tube with one of the following products:
0
IncidinGG
0
Amocid
0
Lysoformin
0
Alhydex
6.
The cable and handle
can
be
wiped
with
soapy water (do not
the
fdter
proceed
the
outer tube in the direction
way
it
can
be
dip
into liquid!).
as
pulled
follows:
out
from
Page
3.34
Page 71
.
..
-4
.
...
~ -.
.
-.
I
.I
--...
1
-*
.
..
SCHILLER
SERVICE HANDBOOK Issue
SP-I0
Spirometry Unit
2
Julv
1998
Replacing the Flow Sensor Filter (cont.)
7.
Insert
a new
fdter
into
location
8.
Carefully screw the
mark.
displaced.
9.
Locate the end
until
the
10.
Fit
the rubber adapter by placing its
location
11.
Insert
a new mouthpiece
of
shoulder
mark
the inner tube
of
the inner tube
two
halves
the inner
(max.
so
that
it
sits
on the
her
of
the inner
into
tube
makes conract on the outside edge
1.5cm)
tube
the end
of
wider
end over the end
into
the end
together
the outer
making
tube
of
the rubber adapter.
of
Fault
lip
Diagnosis
of
the
sure
that
half
the
and
with
filter
and push it gently but
of
the outer tube.
the inner
tube
with the red
Chapter
Check Procedures
the red
is
not
fumly
3
Page
3.35
Page 72
Chapter
Fault
Diagnosis
3
Lllld
Check Procedures
SCHILLER
SERVICE
SP-10
HANDBOOK
Spirometry
Issue
2
July
Unit
1998
~
Page
3.36
Page 73
SCHILLER
SERVICE
SP-10
Spiromerry Unit
HANDBOOK
Issue 2 July
I998
Chapter
Physical Overview & Module Replacement
4
Physical Overview
Module Replacement
Contents
Physical Descr@ion
Base Assembly
Top Assembly
Removal
Safety Notices
Opening
Power Supply board
Leadaid
Interface
Paper
and
Rephcement
the
case
Top Assembly Removal
Top Assembly Replacement
Functional Check After Assembling tk SP-I0
Power Supply Board Removal
Power Supply Board Replacement
Checks and Tests after Power Supply Board Replacement
Checking the Power Supplies
THE SP-10 CONTAINS STATIC SENSITIVE
STATIC PRECAUTIONS:
0
WHENCARRYING0UTANYMAI”ANCEPROCEDURES
UNIT ON
REMOVED
AN
EARTHED
ANY
REMOVAL
POWERSUPPLYISS~CHEDOFFANDTHATTHEMAINSCABLE
AND
WITH MAINS
ORREPLACEMENT PROCEDURES ENSURE
CONNECTED.
WHEN
CARRYING
OUT
ARE
CAUTIONS
CMOS
COMPONENTS; OBSERVE
ALWAYS PLACETHE
ANTI-STATIC MAT.
ANTI-
0
PERSONAL MUST BE EARTHED WHEN HANDLING ANY BOARDS OR
COMPONENTS
ALWAYS USE
0
COMPONENTS
THE UNIT
ALWAYS PLACE
OUT
TAKE CARE NOT TO PLACE
WHEN
NOTCRIMPED
CAI3LE ASSEMBLY.
CARE
USE FORCE.
THE
ORDER GIVEN.
IS
MA”ANCE PROCEDURES
REMOVING
iWST BE TAKEN WHEN
PROCEDURAL STEPS GIVEN FOR EACH MODULE MUST BE FOLLOWED
AN
ANTI-STATIC BAG WHEN TRANSPORTING BOARDS OR
SUSCEPTIBLE TO ABRASION DAMAGE. TO PREVENT SCRATCHING,
THE
UNTT
ON A
SOFT,
NON-ABRASIVE CLOTH WHEN CARRYING
ANY
STRAIN ON
THE TOP ASSEMBLY.
ORTWISTEDANDTHATTHETOPASSEMBLY
REiMOVING
NEVER
STRA.tN
THE CABLE ASSEMBLIES.
THE
CONNECTING RIBBON CABLE
ENSURE
AND
THAT THE CABLE ASSEMBLY
IS
NOTPLACEDONTHE
REPLACING CONNECTORS. NEVER
IN
IS
THE
Page
4.12
Page 85
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry Unit
Issue
2
July
I998
Chapter
Physical Overview & Module Replacement
4
Opening
the
Pre-requisi tes
The unit must
any maintenance
and
28
Mains
supply is required
Tools
Posi-drive screwdriver
Test Equipment
The following test equipment is required
Flow Sensor Spirometer SP-110
Calibration pump
RS Test Cable (supplied by Schiller)
Top Assembly Removal
The Top Assembly is mounted on the
six screws and washers; access
the Top Assembly, proceed
1. Remove
cable is removed.
case
be
placed on an anti-static
is
carried
out
on
degrees.
to
carry
to
the screws
as
follows:
all
cable assemblies connected to the side and rear panels. Ensure that the mains
mat
and anti-static precautions observed when
the SP-10. The
out the
unit
functional test after assembly.
to
carry
out the functional test after unit assembly
Base
Assembly and
is
gained from the underside of
room
temm
is
secured to the Base Assembly with
should
be
the
unit To remove
between
18
2.
Taking care
up-side-down and rest on a soft cloth.
3.
Unscrew the
of the unit, indicated by
4.
Grasping the top and bottom of the unit to ensure
carefully
5.
Gently lift the Top Assembly sufficiently to gain access
disconnect the connector from the
6.
Gently
Top
Assembly Replacement
To replace the Top Assembly proceed
1.
Check that all boards and components are fmly secured. Check for loose screws. Ensure
that
no screws or foreign
2,
Inspect all the internal cable assemblies and ensure that they
that no visible damage
or caught
3.
Ensure that
to
secure the hinged
six
retaining
rem
the
an
unit
to the standing position.
LCD
screws
and washers situated in the extreme comers and edges
arrow.
Power
lift
the Top Assembly away hm the
as
bodies
are
loose
can
be
seen. Ensure that no cable assemblies are strained, crushed
all
connectors
are
firmly home.
module
follows:
so
that
it
cannot swing open,
that
the two assemblies cannot
to
the interconnecting cables, and
Supply Board and the ground connector.
Base
Assembly and place
in
the bottom of the
case.
are
on
in good condition and
turn
the unit
part,
a soft cloth.
Page
4.13
Page 86
Chapter
4
Physical Overview
Opening
the
4.
Position the Top Assembly adjacent to the
cable, plug in the interconnecting cable from the Top Assembly
(PIZ).
Note:
5.
Carefully position the Top Assembly on the
6.
Grasping
down and replace the
the unit. Return the unit
&
Module
Reconnect the ground cable
It
case
may
be
the
two
Replacement
(cont.)
necessary
assemblies
to
to
six
securing screws and washers in the extreme comers and edges of
to
the upright position.
tilt
SCHILLER
SERVICE
Base
Assembly and without
from
the keyboard.
the
Top Assembly for the cable assemblies to reach.
Base
Assembly.
ensure
that
they cannot part, carefully turn the unit up-side-
HANDBOOK
straining
to
the
Power
SP-I0
the ribbon
Supply
Spirometry Unit
Issue 2 July
I998
,
Functional
The procedure detailed here
board
confidence check after
1.
2.
3.
4.
5.
6.
Check
has
been replaced. It
Ensure that the voltage selector on the back panel
connect
mains
that
<SETTINGS>
emptied more than once to achieve a total volume of more than
Switch the unit on by pressing the
and
the test screen disappears, check that
time are shown in
Press
complete. Ensure
Connect the
Connect
Press the <CALIBRATION> key. Enter the ambient temperature and press
Press <START> and empty the calibration pump*.
'Effective Vol', enter
+Note:To obtain
Repeat step 5 and ensure that the measured volume
After Assembling the
is
a
general confidence check in the unit after an internal module or
is
not a full functional test but is intended
a
module has been replaced.
to
the unit. Switch on the mains and ensure that the green mains
<ON>
for a few seconds
the
that
flow
sensor
a
calibration pump to the sensor.
a
more accurate calibration,
the
test screen
data
box in the right hand corner
<I> and enter the time and
the correct date and time is displayed on
SP-110
the
to
the connector on the right hand panel of the unit.
calibrated volume of the pump,
SP-10
To
carry
out the check proceed
is
set for the required voltage and
key on
the
Keyboard. Ensure that the LCD lights
is
displayed at the bottom of
the
welcome display is given and that the date
of
the
date
details. Press mCT> when
Press
<ENTER>
in
litres.
it
is
recommended that the calibration pump is
is
correct.
to
the
LCD.
the
screen.
and at the prompt
6
provide a general
as
follows:
LED
lights.
screen. When
and
<ENTER>.
litres.
Page
4.14
7.
Press the <PATIENT DATA> key and systematically press
<QWERTYUIOP>,
Ensure that the entered
to
exit
the
patient
8.
Select a test key (eg cFCV
manually blow into the flow sensor. Ensure
screen and that after six seconds the
data
data
is
display.
Ej)
COITK~~Y
and press
&NTEb,
presented on the screen
<START>.
that
the pulmonary
unit
prompts for the second reading.
the
keys:
4234567890s
as
entered. Press <FNCT>
With the calibration pump, or
graph
is rraced on the
Page 87
SCHILLER
SERVICE
WDBOOK
SP-10
Spirometry Unit
Issue
2
Julv
1998
Physical Overview
Chapter
d?
Module Replacement
4
Opening the
9.
Press the
and
of
good
Note:
If
printer resistance
resistance setting
experienced with paper mark detection
necessary to adjust
10.
If
a
module
Paragraph
supply
for
case
<PRINT
the print-out
(if
24
(cont.)
ALL>
quality.
quality
has
been replaced carry out
not
already
hours
to
fully
or
<PRINT
data
see
paragraph ‘Service
the
carried out).
charge the battery.
BEST>
is
poor and the printer
may
have been
factory pre-sets
Switch
key and ensure that the print-out is accurate
has
not been changed, the stored
lost
from
memory.
Screen’
or
setting the printer
on
the Interface
the
checks and tests detailed in the relative
the unit
off
To
check the stored
in
chapter
and leave connected
board.
3.
If
problems are
speed
it
may
to
be
the
mains
Page
4.15
Page 88
Chapter
4
Physical Overview
&
Module
Replacement
-_
SCHILLER
SERVICE
SP-I0 Spirometry Unit
HANDBOOK
Issue
2
July
I
I998
Power
Supply
P17
board
-
GND BAYONET
CONNECTOR
P1-
TO MICROPROCESSOR
PI2 - TO
LCD/KEYBOARD
(IN
TOP
ASSEMBLY)
I
BUFFER
I
I
P20 - TO
INTERFACE
BOARD
P25,
P26
BATTERY
CONNECTORS
+UB VOLTAGE ADJUSTMENT
Power
Supply
VRl
Board
MK
F'27
MAINS
TRANSFORMER
8-6
-
FROM
Page
4.16
Page 89
SCHILLER
SERVICE
HANDBOOK
SP-I0
Spirometry
Issue 2 July
Unit
I998
-_
Physical Overview & Module Replacement
c
Chapter
4
Power
Supply
The Power Supply board
board
Pre-requisites
The Warnings and Cautions
The Top Assembly must
Tools
and Equipment
Cross-Bladed screwdriver
Small flat-bladed screwdriver
Digital Voltmeter
In addition
up to 30V,
if
the Power Supply boardis checked in isolation, aPower Supply capable of supplying
is
required.
Parts
Power Supply
MK
Power Supply Board Removal
(cont.)
is
positioned on four
at
be
removed and
8-6.
Part number
the beginning
all
as
detailed
spacers
above the Processor board.
of
the Chapter must
external cable assemblies disconnected
in
Chapter
5.
be
observed.
WARNING
ENSURE
To remove the Power Supply board proceed
1. Disconnect
the Interface board,
Keyboard Buffer
2.
Unscrew the four screws securing the
THAT
the
THE
flying
MK
MAINS
leads
P1
8-4
CABLE
to
the
to
the Microprocessor and the GND guard P17. (P12
will already
IS
DISCONNECTED
as
follows:
mains transformer
be
removed).
board
to
the spacers and remove the board
BEFORE
and
to
the batteries. Disconnect
Power Supply Board Replacement
To
replace the Power Supply proceed
1. Position the board on the spacers and secure with the four securing screws.
2.
Connect the Mains Transformer leads and the battery leads. Connect P1,
(GMD).
as
follows:
Checks and Tests after Power Supply Board Replacement
After assembly, connect the
is lit. Switch the unit on and ensure
the
<SETTINGS>
Check that the battery charge monitor circuit is functioning
key followed by key
mains
supply to the unit and ensure
that
the LCD is lit and that meaningful
45..
Ensure that the printer functions.
that
the green mains supply
as
follows:
COMMENCING
to
the LCD/
P20
and P17
data
is displayed. Press
P20
LED
to
Page
4.17
Page 90
Chapter
Physical
4
Overview
&
Module
Replacement
SCHILLER
SERVICE
SP-I0
HANDBOOK
Spirometry Unit
Issue
2
July
1998
Power
Supply
1.
Switch the unit
hours. Check that the battery light
when the battery is fully charged
2.
Disconnect the mains and
printer). Check that
0
0
0
Note:
board
the battery
the battery
the unit switches
Control of the Battery
(BA'ITLC
giving the expected indications, the fault
connector). The signal
The nominal battery capacity at which the Battery Low is active
25%.
The nominal voltage at which
switches off, is
Checking the Power Supplies
The power supply voltages can
Power Supply board
the unit assembled and the Top Assembly positioned by the side.
isolation a latch circuit must
the
<ON>
key).
(cont.)
off
but leave the
LED
lights when
LED
flashes
off
)
to calculate the charge state
21V.
is
easily accessible and it
be
mains
flashes
(after
run
the
unit
mnning
when
the
when the
LED
be
manually set to switch on the power supply ( equivalent to pressing
battery
is
from
to
control the battery
checked without the SP-10 being assembled. However the
connected. Leave the battery
when the battery
a
maximum
on battery power for
on battery power
battery
capacity is low
capacity
the CPU which
of
the battery.
may
LED
the
Battery
is
usually easier to check the power supplies with
is
time of
15
60
falls
below a preset value
uses
lie on the Processor board (or P1
is
LEDB.
down
If
to
charge for
charging and extinguishes
hours).
minutes (without using the
the counter signal
If
the Battery
signal is active and
the board is to
(LED
LED
flashing) is
be
10
is
not
the
unit
checked
in
Test points are provided on
Individual adjustment is not possible for
supplies are generated and the batteries are charged). Note that
mains connected.
ON
Signal Simulation
If
the
Power Supply board is checked
the power supply on. To simulate the
Note:
The ON simulation signal is only required when
be used to switch the power supply on, that is when P12
disconnected.
the
Power Supply board for measurement
any
of
the voltage
in
isolation the
ON
signal, proceed
ON
rails
except
+UB
line must
as
follows:
the
ON
of
all
power
rails.
+UB
(from which
can
only be adjusted with
be
connected to
key on the keypad, cannot
to
the Top Assembly is
GND
all
to
other
latch
Page
4.18
Page 91
SCHILLER
SERVICE
WDBOOK
SP-I0
Spirometry Unit
Issue
2
July
I998
Chapter
Physical Overview & Module Replacement
4
Power
1.
2.
Note:
Supply
Connect power
0
0
Using a suitable
power supply will now
the correct voltage.
board
to
the Power Supply
If the unit
charged batteries connected
If
the unit
the Power Supply
negative
To switch the power supply off, connect
is
is
to
pin 2 of plug
lead,
(cont.)
board
as
follows:
assembled,
not assembled, connect a power supply to the banery connectors
connect
be
use
either
to
the battery connectors
board.
Connect the positive to
P26.
Set the Power Supply to 24V.
P25
PIN
1
GND
to
Plug P12 pin
latched on and
mains
(via the
mains
pin
1
of plug
P26
PIN
2
25,
and hold for 2 seconds. The
all
generated power supplies
OV
to
P1
pin
50.
transformer) or two fully
P25,
and the
can
be
checked for
on
+UB
Adjustment
This adjustment sets the voltage supplied from the switching regulator on the mains power factor
controller circuit. To adjust this voltage the unit must
be
assembled and mains connected.
WARNING
LETHALVOLTAGES
SUPPLY. DO NOT LET CONCENTRATION
TAKING MEASUREMENTS.
To check and adjust
1.
Connect mains power to the unit and switch on by pressing the <ON> key
keyboard.
2.
Measure the voltage at
Power
Rail
Measurement
No
adjustment is possible for any of the power
relevant test point (component layout given at the end
any
of
the values are
power supply must
AREPRESENTWHENCHECKINGANDADJUSTINGTHEPOWER
+UB
supply proceed
P25
pin
1.
out
of
tolerance fvst ensure that
be
changed.
as
Adjust
LAPSE.
follows:
VRl
rails.
EXERCISE GREAT
to achieve a voltage of
To
check the power
of
this book) and measure with a
+uB
voltage is correct.
rail
CARE
on
the
+27V
SOOmV
voltages go on the
If
this is correct the
WHEN
DVM.
If
Page
4.1
9
Page 92
Chupter
Physical
4
Overview & Module
Replacement
SCXILLER
SERVICE
SP-I0
HANDBOOK
Spirometry
Issue
2
July
Unit
I998
Lead-acid Batteries
Two batteries are installed
Pre-requisites
The
Warnings
The
Top
Parts
The part numbers
and Cautions at
Assembly must
of
all
replaceable items are given
in
the
SP-10.
be
removed and
They
the
beginning
BATTERY
I
are
selfcontained with integral leads andconnectors.
of the Chapter must be observed.
all
external cable assemblies disconnected.
in
Chapter
2
5.
BATTERY
I
I
1
I
i
Page
Battery
THE
To
1.
2.
4.20
Removai
WARNING
MAINS
remove the battery proceed
Ensure
assemblies connected
Disconnect the battery connectors from the Power Supply board and remove the batteries.
SUPPLY
that the unit is switched off and that
MUST
BE
DISCONNECTED
as
follows:
to
the front and rear panels.
DURING THIS
the
mains
PROCEDURE
is disconnected. Remove
all
cable
Page 93
SCHILLER
SERVICE
HANDBOOK
SP-I0 Spiromtv Unit
Issue
2
July
1998
’-_
Chapter
Physical Overview & Module Replacement
4
Lead-acid Batteries
Battery Replacement
To
replace the battery position the battery and connect the leads to the battery connector on the
Power Supply.
Red
Note:
Checks
and
To
ensure that the
replacement, proceed
1.
Connect mains to the unit and ensure
indicators, next to the display,
2.
Ensure
So
that the capacity
3.
run the unit on battery power
Repeat
registered by the processor. The calculated value
pressing:
lead is the + battery
Black lead is the - battery
Tests After Battery Replacement
battery
as
that
the Battery indicator is extinguished after
of
this
process two times.
(cont.)
terminal
terminal
and
the
battery recharging circuit
follows:
that
the green
are
lit.
Charge
the newly installed battery
until
the battery
This
ensures
that
<SETTINGS>
are
functioning after battery
mains
and the yellow battery
the
battery
for approximately
15
hours (battery fully charged).
is
calculated correctly by the processor,
is
fully discharged and the unit switches
the comct
of
c’b
capacity
the battery capacity
15
hours.
of the battery
can
be
seen by
off.
is
The
B
CAPACITY
for further details.
4.
Program all static settings which will have
(S)
indication displays the calculated battery capacity.
been
lost when the battery
See
was
disconnected.
Chapter 3
Page
4.21
Page 94
c
-.
..
,
Chapter
4
Physical Overview & Module Replacement
Interface Board
Pre-requisites
The Warnings and Cautions
The Top Assembly must
Tools
Cross-bladed screwdriver
Small flat-bladed screwdriver
Parts
Interface
Interface
To remove the Interface Board disconnect
board
Board
MK
Board
to
the Paper Tray Assembly, and
Removal
be
8-5.
Part number
at
removed and
the
beginning
lift
SCHILLER SP-I0 Spirometry Unit
SERVICE
of
the
Chapter
all
extemal able assemblies disconnected.
as
detailed
all
in
Chapter
COM~C~O~~.
must
5.
unscrew the four screws securing the
HANDBOOK
be
observed.
the board away from the Paper Tray Assembly.
Issue 2 July
1998
.I
.1
.
i
Interface
Board
Replacement
The replace the Bus Interface position the board on the Paper
four captive screws. Reconnect
Checks and
Tests
After Interface Board Replacement
all
connectors to the
Thermal
The paper mark detection offset must be checked. To set the paper
follows:
1.
Connect a digital voltmeter across the P4 connector (test point
2.
Switch the unit on and adjust
>
3.5v
0.4
to0.5V
IF
THE
NB
DETECTION DOES
ADJUSTMENT,
3.
Carry out the printer check to ensure that the
VR1
to obtain a reading
when the black paper
when there
is
NOT
ENSURE
THAT
mark
no paper
mark
RECOGNISE
THE
PAPER
board
is
as
functioning correctly . Enter the
following key sequence:
4E"GS>
<P>
Tray
Assembly and secure using the
Printer and the Power Supply.
mark
threshold proceed
1).
follows:
is
under the paper mark detector
under the detector ie white paper
THE
PAPER
MARK
MARK
WINDOW
AFTER
IS
CLEAN.
as
Page
4.22
Page 95
SCHILLER
SERVICE
HANDBOOK
SP-10 Spirometry Unit
Issue
2
July
I998
Chapter
Physical Overview & Module Replacement
4
Interface
A
print-out of a
all
close
pixels
Note: Unevenness of print or faulty individual pixels indicates a problem with the printer or
Board
the
lines
diagonal
will
printer alignment
Interface board could
the
(cont.)
series
are
even
lines and
be
seen
Processor
of diagonal lines
and
unintermpted.
that
no blocks
as
a
horizontal white line. Examine the
If
a
complete
be
faulty
board.
P32 P29 PRINT
GUARD DATA CABLE SENSOR
will
be
given. Examine the print-out and ensure
Ensure
of
piain paper
block
is
left
or the fault
that rhe complete paper
are
present.
unprinted
lies
with the printer
HEAD
Any
print-out
for evenness of print.
it
additionally indicates that the
data
P24 - TO PHOTO
is
covered with
faulty print-head
control
circuits
that
on
/
P22-TOTP
MOTOR
(TEST
P4
POINT
1)
TO PAPER
CARRIAGE
I
Page
4.23
Page 96
Chapter
Physical Overview & Module Replacement
4
SCHILLER
SERVICE
SP-10 Spirometry
HANOBOOK
Issue
2
July
Unit
1998
Paper
The Paper Tray Assembly
motor,
is
he-requisites
Tools
Parts
5.
ENSURE
Tray
Assembly
comprises
the
thennal
mounted
The
Warnings
The Top Assembly must
Cross-Bladed Screwdriver
Fiat-Bladed Screwdriver
The
part
THAT
printer
on
four spacers.
and Cautions
number for the Paper Tray Assembly, complete with the
THE
MAINS
and
the
at
be
removed and
CABLE
a
metal framework onto
interface
the beginning
board.
It
of
all
external cable assemblies disconnected.
WARNING
IS
DISCONNECTED
which
is
positioned above
the Chapter
must
BEFORE
is
mounted
the
Processor board and
be
observed.
DC
motor
COMMENCING
the
paper my and
is
given
in
Chapter
Paper
Tray
Removal
To remove
1.
Remove
2.
Carefully
retaining the paper my assembly.
3.
Hold
4.
Taking care not
away from the unit.
the
Paper Tray Assembly proceed
P20
on the Power Supply.
turn
the unit upside down and rest it
the
two parts together and turn them right side up. Watch for screws falling out
to
damage
as
follows:
on
a
soft cloth. Remove the four screws
the
printer motor gently ease the complete Paper Tray Assembly
!
Page
4.24
Page 97
SCHILLER SP-I0 Spirometry Unit
SERVICE
...
1
..
Paper Tray Assembly
HANDBOOK
Issue 2 July
1998
(cont.)
Physical Overview & Module Replacement
Chapter
4
Paper Tray Replacement
To
replace
1.
2.
Hold
3.
Turn
4.
Replace the Top Assembly
the
Paper Tray Assembly
Gently
ease
the assembly
the
two
parts
firmy
the Paper Tray Assembly
right side up and replace
proceed
in
position on the four spacers
together and
to
the
Base
p20
as
detailed earlier.
as
follow:
turn
upside
Assembly.
on the Power Supply.
down.
above
the Processor board.
Secure
the
four
screws retaining
Checks
and
Tests after Paper Tray Assembly Replacement
After
assembly connect
<REPLACE PAPER> key and ensure that the paper
entering enter the following key sequence:
mains
to the unit and ensure
<SEl"GS>
A
series of
diagonal
line
will
be
printed. Ensure that the print-out
that
the green power
tray
retracts smoothly. Check the printer by
<p>
is
even.
LED
lights. Press the
Page
4.25
Page 98
-_
Chapter
Physical Overview & Module Replacement
Microprocessor
4
Board
he-requisites
The Warnings and Cautions at the
beginning
of
the
SERVICE
Chapter must
SCHILLER SP-I0 Spirometry
HANDBOOK
be
observed.
Issue
2
July
Unit
1998
~
*.
,?
The Top Assembly must
The Power Supply board and the paper tray assembly must
the Processor board.
be
removed and
all
external cable assemblies disconnected.
be
removed
before
removing
Tools
*
Cross-Bladed screwdriver
Parts
Microprocessor Board
Microprocessor
The Microprocessor board
Microprocessor Board proceed
Board
MK
8-1. Part number
as
detailed
in
Chapter
5.
Removal
is
secured to the Base Assembly with screws. To remove the
as
follows:
CAUTION
THE MICROPROCESSOR BOARD CONTAINS CMOS COMPONENTS. ANTI-STATIC
PRECAUTIONS MUST BE OBSERVED AT
1.
Remove the Top Assembly.
2.
Remove the Power Supply board.
ALL
TIMES.
.,
I
3.
Remove the Paper Tray Assembly.
4.
Remove the Program Pack.
5.
Disconnect the following connectors from the Microprocessor board:
P4
to
the
ERGO
connector on the back panel
P2
to
the
RS
connectors
P11 to the Beeper Connector
on
the Back Panel
GND
6.
Unscrew and remove the ten Microprocessor board securing screws and remove the
Microprocessor Board.
Note:
The Program Pack is mounted in slides on the Microprocessor
directly with it.
board
and connects
Page
4.26
Page 99
._..
.
SCHILLER
SERVICE
SP-10
Spiromet?
HANDBOOK
Issue 2 July
Microprocessor
Unit
1998
Board
VIDEO
CONNEmOR
(cont.)
Physical Overview
DC
P1
CONNECTORS
Chapter 4
&
Module Replacement
Microprocessor
To
replace the
1.
Position the Microprocessor
screws.
2.
Reconnect the following connectors
PAPER
TRAY
SECURING
POINT
PROGRAM
Board
P4
p2
P11
GND
Replacement
Microprocessor
to the ERGO connector on the back panel
to the
RS
to
the Beeper Connector
PACK
board
proceed
board
connectors on the Back Panel
as
in
the
Base
to
the Microprocessor
P11
TO
BEEPER
SP-110
CONNECTOR
follows:
Assembly and secure with the ten securing
board:
Page 4.27
Page 100
.
-!-
’
~
-
..
..
~.
.
~ . ~
.. . .~..
...
.
.
~.
...
.
.
L
.I
..
/.I
...,.
..
_I.
.-
..
..,
Chapter
4
Physical Overview & Module Replacement
Microprocessor
3.
Slide in,
4.
Replace the Paper Tray Assembly.
5.
Replace the Power Supply
6.
Replace the Top Assembly.
,
Checks
and
When the unit is reassembled after Microprocessor
detailed in the beginning of this Chapter must
and
secure the
Board
(cont.)
Program
Pack
as
detailed below.
board.
Tests After Microprocessor
be
Board
board
carried out
Replacement
replacement, the functional check
to
ensure the integrity of the assembled
SCHILLER SP-I0 Spirometry
SERVICE
HANDBOOK
Issue
2
unit.
The capacity of the battery
and
store the correct battery capacity proceed
1.
Fully charge the battery by leaving the unit connected to the
2.
Run the
unit
on battery power until the battery
is
calculated
and
stored by the processor for reference. To recalculate
as
follows:
mains
for
15
hours.
is
fully discharged
and
the
unit
switches off.
July
Unit
I998
I
3.
Repeat this process two times.
The value
of
the battery capacity calculated (and stored) by the processor,
<SE?TINGS>
<’I5
The B CAPACITY indication displays the calculated battery capacity.
details.
all
Program
static settings.
can
be seen by pressing:
See
Chapter 3 for further
Page
4.28
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