HP PageWriter XL M1705B User manual

PageWriter XL Cardiographs
M1700A, M1701A, and M1702A
Mobile Cart M1705A/B
Telecommunications Package M1706A/B
Service Manual
Including information on: M1754A Signal
Averaged ECG (SAECG), M1755A A.02.00, and
A.03.XX Software, M1756A FAX Modem, and
M1790A Vectorcardiography (VCG)
HEWLETT
PACKARD
HP Part No. M1700-91909
Printed in USA September 1995
Edition 7
E0995

Notice
Responsibility of the
Manufacturer
Warranty
The information in this document may change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this
material, including, but not limited to, the implied warranties of
merchantability and fitness for a particular purpose. Hewlett-Packard
shall not be liable for errors herein or for incidental or consequential
damages in connection with the furnishing, performance or use of this
material.
This document contains or refers to proprietary information which
is protected by copyright. All rights are reserved. Copying or other
reproduction of thisdocument without prior written permission of
Hewlett-Packard Company is prohibited.
Hewlett-Packad only considers itself responsible for any effects
on safety, reliability and performance of the equipment if all the
following are true:
n Assembly operations, extensions, re-adjustments, modifications or
repairs aredonebypersons authorized byHewlett-Packard.
m Theelectrical installation oftherelevant room complies with the
IECreqirements (IECregulated countries only).
n The instrument isused according to the instructions for use
presented in thismanual.
Hewlett-Packard warrants this medical product against defects in
materials and workmanship for a period of:
1.One year on instrument.
2. Lifetime onm1700A andM1701A patientmodule (remote front
end). Lifetime is defined astheendofthe product'ssupport life.
This isa minimum offive years after the cardiograph isremoved
from Hewlett-Packard’s price list.
3. One year on M1702A patient module (rcmote front end).
4. All other accessories including cables, battery, and consumables
are under standard, 90-day warranty.
If Hewlett-Packard receives notice of such defects during the warranty
period, Hewlett-Packard shall, at its option, either repair or replace
hardware products which prove tobe defective.

Hewlett-Packard software and firmware products that are designated
by Hewlett-Packard for use with a hardware product, when properly
installed on that hardware product, are warranted not to fail to
execute their programming instructions due to defects during the
warranty period. Hewlett-Packard shall repair or replace software
media and firmware that do not execute their programming
instructions due to such defects. Hewlett-Packard does not warrant
that the operation of the software, firmware, or hardware shall be
uninterrupted or error free.
If Hewlett-Packard is unable, within a reasonable time, to repair or
replace any product to a condition as warranted, Buyer shall be
entitled to a refund of the purchase upon return of the product to
Hewlett-Packard.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from any
of the following:
1. Improper orinadequate maintenance by Buyer.
2. Buyer-supplied software or interfacing.
3. Unauthorizd modification or misuse.
4. Operation outside ofthe environmental specifications for the
product.
5. Improper site preparation and maintenance.
THE WARRANTY SET FORTH ABOVE IS EXCLUSIVE
AND NO OTHER WARRANTY, WHETHER WRITTEN OR
ORAL, IS EXPRESSED OR IMPLIED. HEWLETT-PACKARD
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
© Copyright 1989, 1990, 1991, 1992, 1995 Hewlett-Packard
Company.

Printing History
May 1990 Edition 1
May 1991 Edition 2
July 1991 Edition 3
February 1992 Edition 4
March 1992 Edition 5
November 1992 Edition 6
September 1995 Edition 7
iv

Safety Summary
Safety Symbols Marked
on the Cardiograph
Conventions Used in
This Manual
Caution
Note ,
8”.
9l?
The following syml~ols are used on the cardiograph or the cart.
A
Caution - Seeoperating instructions.
ipJk Type CF, externd tlcfil~rillation protected.
if
Alternating current.
Equipotential (this is on the ground lug).
The niaxin1unl weight that the cart can hold.
Please seechapter 4, “Pcrfomance Verification ant1 Maintenance,”
for safety requirements that apply to the cardiograph.
Warning statements describe conditions or actions that can result in
personal injury or loss of life.
Ca,ution sta?.Lci~rc~~~Ls tlcstrriI)(~ wi~tlitions or actions Ll1a.t can result in
tlaitia.gc Lo LIIC 0qrtip111enL or sol’t~v;\w.
Notes couta.in zdditiollal infuonl;I.tioIr on c:artliogra.ph usage.
Sof tkey
a
r~~prwriits Llic>Lrrnpor~lry IiCy lal,l~clsIliat appear on
Ll~r display.
rcplTsc~llLs liC’.\iS 011 LllP I‘I~OIIL pwl.
V

Preface
This nlanual contains service information for the Hewlett-Packard
M1700A PageWriter XLi, M1701A PageWriter XLs, and M1702A
PageWriter XLe cardiographs. The informat,ion and procedures in
this nlanual apply to all models unless otherwise specified.
This manual is orgmizetl as follows:
Chapter l-Introduction. Contains a general description of
the cardiographs, lists of technical specifications, and lists of
accessories ant1options.
Chapter 2-Installation aud Configuration. Snnlmarizes the
cardiograph insta.lla.tion ant1 explains how to Configure the
cardiograph for specific customer requireinents.
Chapter 3-Operation. Suniniarizes how to operate tlie
cardiograph.
Chapter 4-Performance Verification aud Maintenance. Explains
how to CheClithe ca.idiograph’s perforlna.nce using built-in
self-tests, a.ntl lists lnai nlciln.ncr procctlurcs a.ntl sa.fety requirements
that apply to llir (~r7rtliogi~aph.
Chapter 5-Theory of Operation. Provides a.11overview of how
the cardiogra~pli Works and tlcscri1)c.i; the opcrn.tion of the major
sul~assrinl~lies.
Chapter 6-Troubleshooting. (:ollta7dnsproc-ctlures ant1err01
codes to aid t;lle srrvicc person in ioca.lizing faults to ;Lrepla.ceable
subnsseinbly.
Chapter 7--Removal and Replacement. (~ollt.ains procedures
for rciuovitlg alit1 wplncing c:l(.I~ of 1.110ci~i~tliograpll’s major
snl~assrnil~lics.
Chapter 8-Parts List. Lists part IIUIII~~I.Sfor llrc cwliograph’s
replnwnl)lr parts,
antI provitlrs n5srtnl)l.~ tlm.\\:it~gs.
Appendix A-Connector Pin Assignments.
Itlc~ltifies and defines
the signals assig1ird Lo tlio sul~a.ss;e~nl~lyiliLrrColineclions.
Appendix B-M1754A Signal Averaged ECG System. Enables
the ca.rtliograph to clclwl, tlisplny, mtl record lii~h-fi,equency,
low-miplitutlr E,(:C; sign&.
Appendix C-M1756A Direct Digital ECG Fax. Pcmits the
PageWriter XLi to rcceivc or lmisniil from fa.x inachnines.
Appendix D-Vectrocardiography M1790A. Adds vector loop
repoting ca.pabiliLy to Llie cardiograph.
Index.
vi

Contents
1. Introduction
PageWriter XL Cardiographs ..........
M1705A Cart ................
M1706A/B Telecommunications Package ....
M1755A A.03.XX Software ..........
A.02.XX Software ..............
A.01.XX Software ..............
Inquiries ...................
Specification Data ...............
Options and Accessories .............
PageWriter XLi, XLs and XLe Cardiographs ...
Country Options ..............
Delete Options ...............
Cable Options ...............
Supplies/Accessories Options ........
Substitute Options .............
Documentation Options ............
Standard Accessories Supplied ........
M1703A PageWriter XLi Upgrade Kits .....
Options ..................
M1704A PageWriter XLs Upgrade Kits .....
Options ..................
M1706A Telecommunications Package ......
Options ..................
M1706B Telecommunications Package ......
Options ..................
M1753A PageWriter XLe Upgrade Kit .....
Options ..................
M1754A PageWriter XLi Signal Averaged ECG
System ..................
Documentation Options ...........
M1755A PageWriter XLi Upgrade Kit ......
M1756A PageWriter XLi Direct Digital ECG Fax
Modems .................
Options ..................
M1788A Extra Patient Module .........
Options ..................
Substitute Options .............
M1790A PageWriter XLi Vectorcardiography . .
Country Option Configurations .........
1-1
1-3
1-4
1-4
1-4
1-4
1-4
1-5
1-9
1-9
1-9
1-9
1-9
1-10
1-10
1-10
1-10
1-11
1-11
l-11
l-11
1-11
l-11
1-12
1-12
1-12
1-12
1-12
1-12
1-12
1-13
1-13
1-13
1-13
1-13
1-14
1-14
Contents-1

2. Installation and Configuration
Installation .................. 2-1
Installing the Cardiograph and Modems on the Cart 2-2
Installing the M1756A Fax Modem ...... 2-2
Printing an ECG on an HP LaserJet Printer .... 2-4
Setting up the LaserJet Printer .......... 2-5
Configuring the Cardiograph to Print ECGs on the
HP LaserJet ............... 2-6
Connecting the Patient Module ........ 2-7
Changing the Line Voltage Setting ....... 2-8
Changing the Line Fuses ........... 2-10
Installing the Battery ............. 2-11
Installing the Software on the M1700 & M1701A . 2-13
Installing the Software on the M1702A ..... 2-14
Loading the Paper .............. 2-14
Setting the Date and Time .......... 2-16
Configuration ................. 2-17
Configuring the M1700A and M1701A ..... 2-17
Configuring the M1702A ........... 2-18
Selecting Configuration Parameters ....... 2-19
Global Configuration ............. 2-20
Interpretation Parameters .......... 2-24
Power-on Application (M1755A A.02.X); and
Higher Software Only) .......... 2-24
Line Frequency ............... 2-24
Custom Lead Groups ............ 2-25
AutoCopy ................. 2-25
ECG Management Parameters ........ 2-26
Battery Timeout, .............. 2-26
Password ................. 2-26
ID Configuration ............... 2-27
Transmit Configuration ............ 2-28
Transmit ................. 2-28
Entering the Phone Number ........ 2-29
Receive .................. 2-30
AutoDial ................. 2-30
LaserJet Printer Configuration (A.03.XX Software
Only) .................. 2-31
Configuration Files .............. 2-31
Store ................... 2-31
Print ................... 2-32
Contents-2

3. Operation
The Keyboard and Front Panel .........
Other Operating Controls ...........
Choosing a Report Format ...........
Main Functions ................
Transmit (M1700A Only) ...........
Store (M1700A & M1701A only) ........
Config ...................
CheckDisk (M1700A & M1701A only) ......
A.01.XX Software .............
A.02.XX and Higher Software ........
Files (M1700A & M1701A only) ........
The Selection Display (M1700A & M1701A only) .
Selection Display Menu, Part 1 ........
Selection Display Menu, Part 2 ........
Recording an ECG ...............
Using the Patient Module Start Button .....
Preview Plus (A.02.XX and Higher Software Only) .
Using Preview Plus ..............
4. Performance Verification and Maintenance
Introduction ..................
Performance Verification ............
Visual Inspection ...............
Extended Self-test ..............
Patient Module and Cable Test .......
CPU Assembly Test ............
Printer Test ................
Disk Drive Test (M1700A and M1701A only). .
Preview Display Test (M1700A Only) .....
Keyboard Display Test ...........
Modem Test (M1700A Only) .........
All Tests .................
Printing the Error Log ...........
ECG Simulation ...............
Preventive Maintenance ..............
Care and Cleaning ..............
Cleaning the Cardiograph and Patient Module .
Cleaning the Keyboard ...........
Cleaning the Printhead and Paper Sensor ...
Maintaining the Flexible Disk Drive .....
Cleaning the Electrodes, Leadwires, and Patient
Data Cable ...............
Safety Tests ..................
PageWriter XL Performance Verification Checklist . .
Visual Inspection ...............
Extended Self-test ..............
ECG Simulation ...............
Comments:
.................
3-2
3-3
3-4
3-10
3-11
3-12
3-12
3-12
3-12
3-12
3-13
3-15
3-15
3-15
3-16
3-17
3-17
3-17
4-1
4-1
4-1
4-2
4-3
4-3
4-4
4-4
4-5
4-6
4-6
4-7
4-7
4-8
4-9
4-10
4-10
4-10
4-11
4-12
4-13
4-13
4-14
4-14
4-14
4-15
4-15
Contents-3

5. Theory of Operation
Operational Overview .............. 5-1
ECG Data Path ............... 5-1
Power-on and Power-off Sequences ....... 5-2
Power-on ................. 5-2
Power-off ................. 5-2
Circuit Descriptions .............. 5-4
The Standard Patient Module .......... 5-6
CPU Assembly ................. 5-8
CPU .................... 5-8
System Memory ............... 5-10
ROM .................... 5-10
I/O Control ................. 5-12
The FGA ................. 5-12
Serial Communications ........... 5-14
Digital Signal Processor ............ 5-14
System Expansion Connector ......... 5-15
Disk Drive (M1700A and M1701A only) ..... 5-15
Power Supply ................. 5-16
VMAIN and VIN ............... 5-16
Battery Charger and Battery Sensor ...... 5-18
Battery Operation and Condition ....... 5-18
5 Volt Regulator ............... 5-19
+5 Overvoltage/Undervoltage Sensor ...... 5-19
Printer Switch ................ 5-20
Battery Switch ................ 5-20
ACON Detector ............... 5-20
+5 Backup Supply and Low Battery Disconnect . . 5-21
+5 to Backup Switchover ........... 5-21
Patient Module Voltage Regulator ....... 5-21
The Keyboard and Keyboard Display ....... 5-22
Printer .................... 5-22
Printer Gate Array .............. 5-22
Printer RAM ................ 5-22
Motor Driver ................ 5-22
ADC (Analog-to-Digital Converter) ....... 5-23
Thermal Printhead .............. 5-23
The Preview Display .............. 5-24
Preview Logic Board ............. 5-25
Preview Display Power Supply Board ...... 5-26
VLCD Supply ............... 5-27
VCFL Supply ............... 5-27
Preview Screen ................ 5-27
Contents-4