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HP M1754A, Service Manual

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Summary of Contents for M1754A

Page 1: ...ecommunications 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 ...

Page 2: ...the following are true n Assembly operations extensions re adjustments modifications or repairs aredone bypersons authorized byHewlett Packard m The electrical installation oftherelevant room complies with the IECreqirements IEC regulated countries only n The instrument isused according to the instructions for use presented in this manual Hewlett Packard warrants this medical product against defec...

Page 3: ...e 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 Opera...

Page 4: ...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 ...

Page 5: ...he cart can hold Please see chapter 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 o...

Page 6: ...that apply to llir r7rtliogi aph Chapter 5 Theory of Operation Provides a 11 overview of how the cardiogra pli Works and tlcscri1 c i the opcrn tion of the major sul assrinl lies Chapter 6 Troubleshooting ollta7dnsproc ctlures ant1 err01 codes to aid t lle srrvicc person in ioca lizin g faults to Lrepla ceable subnsseinbly Chapter 7 Removal and Replacement ollt ains procedures for rciuovitlg alit1...

Page 7: ...1704A 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 PageW...

Page 8: ...are 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 Pa...

Page 9: ...ent 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 D...

Page 10: ...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...

Page 11: ...eview Screen Assembly Removing the Preview Screen Assembly PageWriters with Serial Number Prefix 3208A or Later Removing the Entire Preview Screen Assembly Disassembling the Preview Screen Assembly PageWriters with Serial Number Prefix Prior to 3208A Removing the Entire Preview Screen Assembly Disassembling the Preview Screen Assembly Replacing the Preview Screen Assembly The Top Cover Assembly Op...

Page 12: ...ector Pin Assignments CPU Assembly Connectors Preview Display Connectors B M1754A Signal Averaged ECG SAECG System Introduction Installation and Configuration Connecting the Patient Module Installing the SAECG Software SAECG Configuration A 02 XX and higher Software Only Acquisition Fields Measurement Fields Operation SAECG M1754A Only Using SAECG Editing and Printing a Stored SAECG Deleting a Sto...

Page 13: ...rdiography M1790A Introduction Installation and Configuration Setting Up the Patient Module Software Installation VCG Configuration A 03 XX Software Only Disabling VCG Reports Operation Recording a VCG Printing a Stored VCG Preventing the VCG Report from Printing The VCG Report VCG Report Formats Formats Manual Report Formats Troubleshooting Parts List C 1 C 2 C 3 C 3 C 4 C 4 C 5 C 5 C 6 C 7 C 8 D...

Page 14: ...Diagram 5 5 System Memory Block Diagram 5 6 I O Control Block Diagram 5 7 Serial Communications Circuitry 5 8 Digital Signal Processor Block Diagram 5 9 The Disk Drive and its Control Circuit 5 10 Power Supply Block Diagram 5 11 Printer Block Diagram 5 12 Preview Display Subassembly Connections 5 13 Preview Logic Board Block Diagram 5 14 Preview Display Power Supply Block Diagram 6 1 Sample Error ...

Page 15: ... Assembly Exploded Diagram Serial Number Prefix Prior to 3208A 8 4 Printer Assembly Diagram 8 5 Preview Display Assembly Diagram 8 6 Cart Exploded Diagram 8 7 Cart Exploded Diagram 8 8 Data Communications Package Diagram 8 9 Connections for Direct Connect Transmission 8 10 Cabling for Hayes Modem Transmission Only 8 11 Cabling for Hayes Modem and Direct Connect Quick Connect Transmission 8 12 Cabl...

Page 16: ...GA ROM RAM 6 5 Printer 6 6 Disk Drive M1700A and M1701A only 6 7 Preview Display and Logic M1700A 6 8 Keyboard and Keyboard Display LCD 6 9 Transmit and Modem 7 1 Printhead Resistance Codes 8 1 Patient Module Parts List 8 2 Main Assembly Parts List Serial Number Prefix 3208A or Later 8 3 Main Assembly Parts List Serial Number Prefix Prior to 3208A 8 4 Fastener List 8 5 Printer Parts List 8 6 Previ...

Page 17: ...1 A 13 Power Supply to LCD Module 52 B 1 Acquisition Configuration Fields B 2 Measurement Processing Configuration Fields B 3 SAECG Testing Problems B 4 Patient Module and Patient Data Cable B 5 SAECG Parts List C 1 Transmit and Fax C 2 Fax Modem Parts List C 3 Fax Modem Cable Parts List C 4 Fax Modem and Quick Connect Cable Parts List D 1 AHA Lead Set and Patient Module Configurations D 2 IEC Lea...

Page 18: ... destroy patient clata Hewlett Packarcl guarantees the performance of the cardiographs only when used with paper and disks that meet or exceed Hewlett Packard specifications PageWriter XL Cardiographs The M1700A PageWriter XLi is Hewlett Packard s full featured interpretive cardiograph The M1701A PageWriter XLs is the standard non interpretive cardiograph The M1702A PageWriter XLe is the basic non...

Page 19: ...l700 ant1 M1701A cardiographs use flexible disks for storing ECGs Exact ECG copies can be made at the bedside or Iater Each ECG is automatically logged and can be automatically stored by the cardiograph A list of all stored ECGs can be printed facilitating administrative reporting and billing Typically 50 150 ECGS can be stored per flexible disk although the actual quantity depends on usage From a...

Page 20: ...blies further speeding the repair process Note t As of February 1992 all new PageWriter XL cardiographs are manufactured to a revised mechanical design specification All units having a serial number prefix of 3208A or later conform to this revised specification This manual describes all specific differences The following paragraphs describe some of the significant options available for the PageWri...

Page 21: ...and extended configurable transmission phone numbers This revision includes all A 02 XX enhancements and also provides fax transmission SAECG and VCG capabilities The software is shipped with all new PageWriter XLi cardiographs in late 1992 This software revision provides the PageWriter XLi with enhanced preview displays interactive query and FAA transmission The software also gives the XLi fax tr...

Page 22: ...cycles insertions Chemical resistance cleaners Withstands the following isopropyl alcohol except leadwires and patient data cable mild soap and water chlorine bleach and water 30 ml l of water Table 1 2 Patient Module Specifications Parameter Specification I Resolution 5 iv after processing Input impedance 25 MSt 10 Hz typically 1OOMQ DC Gain accuracy f3 of input signal lO ILV Input bias 40 nA or ...

Page 23: ... or greater with 10 mV p p on other channels in standarcl mode I Calibration signal 1 mV f2 after processing Sample rate I8 kHz DC offset tolerance 355 mV Table 1 4 ECG to Paper Specifications Paranwter Frequency response Auto ECG Manual ECG SAECG power line ECG resolution on paper voltage axis time axis Swxificatiolk 3 dB down at user selectable 0 05 150 Hz 0 15 150 Hz 0 5 150 Hz 0 05 100 Hz 0 15...

Page 24: ...rhythm Manual mode 30 minutes 40 typical continuous idle 4 hours 6 typical Battery capacity M1701A without storage 55 ECGs 75 typical with storage 50 ECGs 70 typical continuous rhythm Manual mode 30 minutes 40 typical continuous idle 4 hours 6 typical Battery capacity M 1702A 55 ECGs 75 typical continuous rhythm Manual mode 30 minut es 40 typical continuous idle 4 hours 6 typical Battery life AC a...

Page 25: ...e operating storage 20 80 RH non condensing lo 85 RH non condensing To 15 000 ft 4600 m To 50 000 ft 15000 rnJ Table 1 7 Miscellaneous Specifications Parameter I Specification I Real time clock accuracy 25 C 5 45O c 1 5 minutes per month 5 minutes per month RS 232 bit transmission rates 300 1200 4800 9600 19200 baud Printhead life Typically 100 000 pages 1 8 Introduction ...

Page 26: ...ion ABH Dutch Version ABK Intercon English Version ABM Latin American Version ABS Swedish Version ABU U I Version ABZ Italian Version AB4 Singapore Version ACF Japanese Version ACQ South African Version AKM Chinese Version AKV South American Version Delete Options DOl DO2 Delete preview display M1700A only Delete cart M1700A M1701A only the M1702A is shipped without a cart DO3 Delete standard AHA ...

Page 27: ...ient module so4 Substitute standard IEC patient module Documentation Options OB3 OBP OBQ PageWriter XL Series Service Manual English only M1700 91909 User Training Video VI IS NTSC M1700 89000 User Training Video VI IS PAL M1700 89001 Standard Accessories Supplied H 2 5 meter patient data cable M1719A H 200 sheets z fold paper A size M1707A A4 size M1709A n 10 universal adapters 13946A H 300 solid...

Page 28: ...1755A M1700 17720 Ml700 bnly w System software version A Ol 02 M1701A M1701 17700 Ml701 only m DO6 system software version A 02 02 M1700A M1700 17711 M1700A option DO5 and DOGonly M1703A PageWriter XLi Upgrade Kits Options A01 Add Preview Display M1704A PageWriter XLs Country option must also be ordered Upgrade Kits Options A01 Upgrade XLs to XLi M 1706A M1706A includes bracket and cable Country o...

Page 29: ...4 17700 A O1 OOSAECC software set SAECG patient Signal Averaged ECG module and operator s b Gde Country option must also be ordered System Note I Iv The M1754A option requires the M1755A A Oa XX A 03 OX or higher software The Ml 754A option will not function with A 03 1X software Documentation Options OBP SAECG User Training Video VHS NTSC M1754 S9504 OBQ SAECG User Training Video VHS PAL M1754 S9...

Page 30: ...0 M1756 89507 France fax modem Worldport 2400 M1756 89503 Australia fax modem Worldport 2400 M1756 89508 Netherlands fax modem Worldport 1200 Ml 756 89504 U K fax modem Worldport 2400 M1756 89505 Italy fax modern Worldport 1200 M1756 89506 Quick Connect cables for fax modem Ml756 61601 and h 11706 61636 M1788A Extra Patient Includes patient module lead set and disposable electrodes kit Module Opti...

Page 31: ... Note I w The M1790A option requires the M1755A A 03 1X software version The M1790A option will not function with the A 03 OX software Country Option Configurations The following table gives the configuration of each country option Table 1 8 Country Option Configurations Note I t In Table 1 S an A in the Printer column refers to 8 5 x ll in c paper A4 refers to 210 x 297 mm paper I 14 Introduction...

Page 32: ...ration when the followitig tasks have been properly performed n Patient data cable connected H Patient electrodes and leadwires installed on patient module H Voltage settin 6 and fuse checked n Battery installed n Software installed M1701A M1700A only n Language and line frequency chosen n Paper installed n Clock set time and date n Configuration parameters chosen H Configuration saved to disk M17...

Page 33: ...ayes modem to the cart as shown in Figure 2 l Figure 2 1 Installing the Hayes Modem Installing the M1756A Fax Modem Note I t ECG fax capability is also available using the M170GB modem with A 03 X3 or higher software To install the fax modem perform the following steps see Figure 2 2 1 Press the On Standby switch to turn the cardiograph to Standby 2 Turn the cardiograph AC switch off 3 Insert the ...

Page 34: ...erside of the bar and secure the modem with the knurled screw 8 Bring the fax modem cables up over the square bar and insert the smaller end of the faxmodem cable into the plug on the back of the cardiograph marked Data Corm Tighten the retaining screws 9 Plug the round end of the fax modem cable into the cardiograph s modem power connector Secure the retaining screws 10 Insert the telephone cable...

Page 35: ... You can print stored ECGs on an HP PCL5 LaserJet printer an HP LaserJet Printer Figure 2 3 shows how to connect the cables between the cardiograph and the printer II II Ll rij D 1 p C L z 92909 1I Figure 2 3 Connecting the Printer Cable A PageWriter XLi Cardiograph 13 LaserJet Printer C HP LaserJet Printer Serial Interface Port D Serial Data Cable HP 245426 2 4 Installation and Configuration ...

Page 36: ...ugh the settings until I O PARALLEL appears If I O SERIAL appears the printer is already set for serial printing 3 Press the key until I O SERIAL appears 4 Press the ENTER key on the printer An asterisk will apear on the display I O SERIAL 5 Press the MENU key and the BAUDRATE setting will appear 6 Press the key until BAUDRATE appears 7 Press the ENTER key on the printer An asterisk will appear on...

Page 37: ... The main configuration menu will appear hlobal Configuration ID Transmit Files Exit 3 Press Transmit and the Transmit Configuration menu appears in the display Configuration Transmit Receive AutoDial Exit 4 Press Transmit to configure any of four transmission sites The Configure Site menu will appear Configure Site 1 2 3 4 Exit 5 Select a site number and the following display appears Connection N...

Page 38: ... information about transmitting ECGs Connecting the Patient 1 Connect the patient data cable to the ECG input jack on the back Module of the cardiograph 2 Connect the other end of the patient data cable to the patient module as shown in Figure 2 4 3 Connect the leadwires to the patient module Match the color coding on the leadwires to the color coding on the patient module M1702A only Match the la...

Page 39: ...less it is a good idea to check the setting especially if the cardiograph was brought from an area with a different line voltage The cardiograph can be damaged if plugged into the incorrect voltage or if fused incorrectly The voltage setting appears in the line module window The line module is located on the rear panel immediately to the right of the AC switch see Figure 2 5 If the voltage setting...

Page 40: ...ch nominal line voltage Table 2 1 Line Voltage Settings Nominal Line Voltage Voltage Setting 220 230 1220 5 Pull out the fuse holders and check that the line fuses are the correct rating for the selected voltage see Table 2 2 If the fuses are correct reinstall the fuse holders and proceed to the next step If the fuses are incorrect proceed to the next procedure Changing the Line Fuses 6 Close the ...

Page 41: ...t the fuse holders and check that the line fuses are the correct rating for the selected voltage Refer to Table 2 2 If you need to install line fuses with a different rating you will also need different fuse holders Fuses for lower voltages require fuse holder part number 2110 0686 fuses for higher voltages require fuse holder part number 2110 0687 4 Place the fuses in the fuse holders and push ea...

Page 42: ...is relatively heavy for its size Support the battery from underneath as you install it to prevent it slipping and possibly causing injury To install the battery 1 Open the cardiograph s battery compartment by loosening the two thumbscrews on the back of the cardiograph as shown in Figure 2 G and pulling the battery holder out Figure 2 6 Installing the Battery A Battery door B Thumbscrews Figure 2 ...

Page 43: ...Li or PageWriter XLs in the keyboard display then display the code 6503 this code indicates that the software is not yet installed and there is no System disk in the disk drive At the same time all of the control panel indicators will light up including the red low battery indicator and the green charge indicators The M1702A cardiograph will display a line of asterisks for about two minutes as it ...

Page 44: ...aph the cardiograph will begin immediately to load the software from the disk n If software is already installed in the cardiograph the prompt Load configuration followed by the name of the configuration disk appears on the display Note I t If you do not want to load the configuration shown remove the disk and place the cardiograph in Standby Find the correct disk and restart this procedure at ste...

Page 45: ...ery has been replaced This process takes about two minutes During this time you will be prompted for language and line frequency Loading the Paper The cardiograph uses continuous feed thermal paper HP part number M1707A A size or M1709A A4 size To load the paper 1 2 3 4 5 6 Release the printer door latch on the left side of the cardiograph and slide the printer door to the left Remove the paper fr...

Page 46: ...Figure 2 8 Loading the Paper A Paper Door Latch B Paper Sensing Hole C Paper D CardboaLrd Backing E Page Key Installation and Configuration 2 15 ...

Page 47: ... you to the main menu AN PM Appears only for the time change display and only when the cardiograph is configured for the AM PM time format Clear Clears erroneous entries and returns the currently stored date or time to the display Exit Same as Enter When the change display appears the cursor highlights the first leftmost digit of the date or time To change the date or time simply type in the new n...

Page 48: ...to start up in This section describes the menu structure that enables you to configure the cardiograph s operating parameters Each menu choice is described briefly in a list then in more detail in the narrative section that follows the list Press CMenu until the following display appears Transmit Store Config CheckDisk Files The Transmit key appears only on the M1700A Only the M1700A has transmiss...

Page 49: ...storing the system configuration is described under Configuration Files later in this chapter If the software is lost due to loss of battery power or if different configurations are used regularly on the same cardiograph restoring a custom configuration is nluch quicker and easier from disk than by manually entering the changes Configuring the M1702A Press Menu until the following display appears ...

Page 50: ...he current setting then advances to the next parameter in the list or returns to the menu if pressed when the last parameter in the list is displayed Choose Tab Leads Previous Exit Advances through the list of choices for the specified parameter Appears only for the Custom parameters in the Global list Used to select the leads for the custom format Moves an underscore cursor to the lead to be chan...

Page 51: ...ret Severity only Comments See Interpretation Parameters section following this table Zopy Interpretation l 4utoStore 3 Reasons Extend Measure None Severity only Choice Measure Interpret Yes No See explanations following this table Determines whether an Auto ECG is automatically st oretl without operator intervention Patient ID required Yes No Appears only if AutoStore is No Determines whet her t ...

Page 52: ...wer Frequency Filter Key Off On 60 Hz 50 Hz BaselineWander Artifact BaselineWander Artifact A software filter that removes power line AC interference No default selected during software installation Determines which filter combinations are active when Filter key is on Auto print speed Default Auto Default Manual 25 nun set Default Auto ECG print speed can be 50 mm xc overridden from the front pane...

Page 53: ...n set any combination of the available leads for routine usage See explanations following this table Used for height and weight entry Determines Patient ID units on the ECG See Interpretation Parameters section following this table HH MM SS HH MM SS Decimal format paper size 4uto Print utoCopy MM DD YYYY DD R4M YYYY YYYY MhI DD MM DD YTYY MM DD YYYY MM DD WYY MM DD YYYY xxx xxx xx xxx xxx xx A 8 5...

Page 54: ...ws configuration of research leads ECG storage mode and lead system See the Page Writer XLi Physician s Guide for more information Allows 4 additional unipolar leads of user s choice OSis the adult analysis criteria P4 is the pediatric analysis criteria ID criteria version entry 2 3 Default ID criteria version 3 ECG storage mode 2 3 Lead system No Yes User defined 2 characters Standard 250 samples...

Page 55: ...rpretation and interpretive reason statements Extend Measure Choice Prints a tabular summary of all measurements performed on ECG data An alternative report Allows you to select the level of information included when an ECG is copied or printed from disk without having to change the overall instrument configuration Power on Application M1755A A 02 XX and Higher Software Only To select which applic...

Page 56: ...as shown below appears Custom 3 lead group I aVF V2 Enter Choose Tab Previous Exit 2 Press Choose to change the lead from I 3 Use Tab to move to the next lead field In this case the next lead field is aVF 4 Press Choose in each field to change the lead setting 5 Press Enter to save the selections AutoCopy When AutoCopy is set to Yes the cardiograph automatically prints one or more copies depending...

Page 57: ...the default label see table or user defined such as MD signature X Limited to 30 characters Available only on the MlTOOA Enter user defined label such as Smoker or Apnea 7 that appears in ID entry process Limited to eight characters Battery Timeout To lengthen battery life the cardiograph turns off after the period of time specified by this parameter The time is measured in minutes from the comple...

Page 58: ...llow NAME entry n Allow AGE entry w Allow SEX entry n Allow HEIGHT entry n Allow WEIGHT entry w Allow BP entry n Allow RACE entry n Allow DX entry w Allow RX entry n Allow OPERATOR entry n Allow DEPARTMENT entry n Allow ROOM entry w Allow REQUESTED BY entry n Allow USER A entry USER A is replaced by the label defined in global configuration n Allow USER B entry USER B is replaced by the label defi...

Page 59: ...re the cardiograph for four transmission sites Receive Use this key to select the receive connection type and its baud rate AutoDial Use this key to select a site to which the cardiograph automatically sends an ECG when you transmit Exit Returns you to the previous menu Transmit The Transmit key brings the Configure Site menu to the display Configure Site 1 2 3 4 Exit When you select a site number...

Page 60: ...rJet is selected as connectin type Entering the Phone Number When you advance to the phone number parameter the Phone number prompt appears on the display followed by an underscore cursor Two additional softkey labels Pause and Tone W also appear To enter the phone number type the numerals on the keyboard The number will appear on the display at the Phone number prompt The phone number is limited ...

Page 61: ...d wire connection to receiver Programmable Modem The Hayes M17OGA B modem Hardware Modem Not supported Fax programmable modem A 02 XX and higher software using M1756A modem 8 A 03 X3 and higher software using M170GB modem Baud Rate 91300 Defaults 9600 for Direct 2400 for 19200 Programmable Modem and Fax programmable 300 modem 1200 for Hardware Modem This 1200 parameter does not appear if you selec...

Page 62: ...nu Note I I Store the configured software each time it is changed Print a copy of the cardiograph configuration and keep it with the configuration disk If the software is lost due to loss of battery power you will be able to easily restore the cardiograph to its latest configuration Note I t The M1702A can only print its configuration Store Storing the configured software creates a disk that conta...

Page 63: ...ngle flexible disk This disk can then be used to re install the A 02 XX or A OS XX software and SAECG application together Note I Jo With the A OS XX software and VCG application installed and configured both software configurations can be stored on a single flexible disk This disk can then be used to re install the A 03 XX software and VCG application together Print When you press Print the cardi...

Page 64: ...rehensive and detailed operating instructions n Page Writer XLi Operating Guide n Page Writer XLi Cardiograph User s Reference H Page Writer XLi Cardiograph Physician s Guide H Page Writer XLs User s Guide n Page Writer XLe User s Guide Note I t Refer to the appendixes for information on using the SAECG application the fax modem and the VCG application Refer to the end of this chapter for informat...

Page 65: ...ators shown are described on the following page 47mrd r 5 10 25 50 00 0 0 B C D I I ECC Sk YL i FiIlW rnmh ECG sir 51020 Full 4 oao 0 0 0 000 E F G a r L k J f y Le 1 000000000001 00000000000 0000000000 El0 0000000 7n 4 1 lI EI c pm I cl R S Figure 3 1 The Keyboard and Front Panel 3 2 Operation ...

Page 66: ...arged Lights indicate the remaining capacity level of the battery When the battery is frilly charged all the lights are on Always check the battery lcvcl lights before disconnecting AC power Light will be on when the power cord is plugged into a wall outlet and the AC switch is on This indicates that the battery is charging The AC swit ch is on the back of the cardiograph Pressed with YJ at power ...

Page 67: ...ys shown in the menu display below This menu also allows you to set the date and the time the procedure for setting date and time is described in Chapter 2 If you do not have this or a similar menu in the display press a or 1Stop until you do The information displayed in the message line upper line of the display depends on the format last chosen For this reason your display may be different than ...

Page 68: ...e all 12 leads The selections for the S lead set are the same as for the 3R sets listed above The selections for 6 lead sets are w I II III aVR aVL aVF n Vl V2 V3 V4 V5 V6 w Custom Default II aVF Vl V2 V4 VG Note t You can change power on default leads in Global Configuration The lead selections listed above are for the Standard configuration If the cardiograph is configured for Cabrera leads the ...

Page 69: ...PRELIMINARY MD MUST REVlEU I R I v L 1 I 1 J I v V V I LOC 123 5 0001 Speed IS mm src L rnlJ 10 mm m Chc l 5 mm m k 0 5 5O HI Y 00013 Figure 3 2 An Auto 3x4 ECG 3x4 3 6 Operation ...

Page 70: ... m MUST REVlEY I IVR I I j v v L 2 5 LkJ III aw 1 vf Jy 6 I IL j 11 LOC 12115 0001 speed 25 mm src L lnb IO rdo mv Chrrl J mm m b 0 5 l5O Z w llPlO8 0001 5 Figure 3 3 An Auto 3x4 ECG With Three Rhythm Strips 3x4 3R Operation 3 7 ...

Page 71: ... I ri f v v i P id I T T P r 1 sl V 1 I I 1m11115 0001 I2315 I Figure 3 4 A Manual 6 Lead ECG 3 8 Operation ...

Page 72: ... 0 m i J Y 40 164 se 0 d z 4s 1 77 I I I I V Y z CC DI 116 00 I P 50 I 130 00 37 1451 71 70 75 ll 1 9 79 16 09 31 50 15 50 11 00 360 300 240 100 I20 60 0 JI 1 0 IO0 7 00 300 mr 0 OO 200 300 ms 0 48 178 300 mr alllllrad Icads F I crrd lcrdr Vector mr n lvdr Sra r 12l Vlrnrn Scale l rnrn se r 3 Vlrnrn Figure 3 5 An SAECG Report Operation 3 9 ...

Page 73: ...sk and reports how much storage capacity is in use Files Provides access to the stored files for ID editing printing analyzing M1700A only or deleting These functions are described in the following pages Note I w The Transmit softkey appears only on the M1700A The M1702A Ihnenu key brings up the following menu Global Conf ration ID Print Exit Global ID Allows you to set the operating parameters of...

Page 74: ...formation Refer to Chapter 2 for details about configuring autoclial sites NewGroup Transnlits only those ECGs that have not previously been transmitted Query Calls a site to receive ECG information Query is used only with an ECG management system The PageWriter can receive ECGs from an ECG rnanagernent systenl on request by using the Query function PageWriters with A Ol XX software can only recei...

Page 75: ...sage Storing ECGappears while the ECG is being stored Then the display returns to the main menu Note I w If the disk you inserted in the drive is new and unformatted the cardiograph will ask if you want the disk formatted Press Yes if you do formatting takes about 90 seconds or insert a formatted disk in the drive at this time A disk must be formatted for storage to take place The A 02 XX and high...

Page 76: ...umbers for the ECGs that you want to delete press the Delete softkey in the selection display The cardiograph displays the question Start Deleting 1 ECG s The number 1 will vary in all messages depending on how many ECGs were selected Press Yes if you want to continue The message Deleting 1 of 1 ECG s appears and the ECG is removed from the disk The following display appears to confirm that the EC...

Page 77: ... then the cardiograph offers to store the ECG Print Prints the selected ECG s when you press Print on the selection display menu the selection display menu is described at the end of this section While the ECG is printing this message is displayed Printing 1 of 1 ECG s When the printout is done this message is displayed Printed 1 ECG s Analyze This fuuction is available only on the Mli OOA Analyze...

Page 78: ...ection Function Starts the function for which you are selecting an ECG This key has one of the following function names M Transmit appears only on the M1700A n Delete w Analyze appears only on the lv11700A H Edit allows only a single ECG selection H Print Next Previous More Steps forward through the list of stored ECGs Steps backward through the list of stored ECGs Displays the second part of the ...

Page 79: ... messagesAcquiring ECG a signal quality message M1700A only and Printing Auto Report appear If you have not yet entered the patient ID yet and AutoStore has been turned on during configuration the message ID required to store Store ECG appears Pressing Yes takes you through ID entry before storing the ECG pressing No aborts the storage Note I b ECG interpretation is a feature of the M1700A only an...

Page 80: ...gher Software Only Note I v Using Preview Plus This section contains information about the Preview Plus application You must have a preview screen on your cardiograph for this application The Preview Plus application allows you to perform the following tasks on your PageWriter XLi cardiograph H Continuously view current ECG information prior to and during printing H Record a patient s ECG automati...

Page 81: ...t to stop recording ECGs ContPrev Lets you monitor a patient s ECG continuously on _ the preview screen even when printing an ECG To turn on the Continuous Preview application press ContPrev The message Continuous Preview On appears Press Yes To turn off Continuous Preview press ContPrev again When the message Continuous Preview On appears press No Delayed Prints ECG information six seconds after ...

Page 82: ...ator ECG trace and error log printout to the completed checklist and file with the cardiograph s permanent maintenance record Visual Inspection Before beginnin the inspection press the On Standby key to put the cardiograph in Standby and unplug the power cord from the wall outlet Then inspect the cardiograph for the following Worn or damaged power cord n Loose or missing hardware H Mechanical dama...

Page 83: ...wer line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the messa geline Asterisks appear around the test name to indicate its selection If the test is already selected pressing this key de selects the test the asterisks disappear You can select one or more tests in any combination but the sequence...

Page 84: ... the patient electrodes or leadwires Test the patient electrodes and leadwires by recording an ECG from a patient or ECG simulator as described later in this section The M1702A patient module does not have a display The test patterns displayed on the patient module consist of in this order 1 all white cells H checkerboard cells H all black cells w inverse checkerboard cells n SOcharacters displaye...

Page 85: ... characters H clean black bars with no dropout in black areas n perforation aligned with tear bar If the printer assembly fails the test not including the visual verification of the printout the message Printer test failed appears on the keyboard display Disk Drive Test M1700A and M1701A only Caution This test destroys any data previously recorded on the disk Be sure that any data on the disk is e...

Page 86: ...x on the black screen The message Displaying test pattern appears on the keyboard display clurin g the time the test pattern is on the preview screen You must observe the preview screen while the test pattern is running to ensure H accurate rendition of all characters and patterns n no random lines or clots in the display n no permanent patterns visible at normal contrast Patterns may be visible a...

Page 87: ...the test patterns for detecting failures There is no failure message for the keyboard display test Modem Test M1700A Only The modem test checks the operation of the Hayes modem and its connecting cable Note I t The cardiograph must be connected to AC power to operate the Hayes modem If the modem passes the test the message Modemfirmware checksum xxx appears If the modem fails the test or if the te...

Page 88: ... fail m the preview display test M1700A only delete if the M1700A does not have a preview display installed The test will fail if a preview display is not installed n the modem test M1700A only delete if the M1700A does not have a modem installed The test will fail if a modem is not installed If you want to delete one or more of these tests after selecting All you can move through the list and pre...

Page 89: ...n in Figure 4 1 although there will probably be differences in the trace you record The trace differences result from differences in simulators simulator settings and more importantly from differences in configuration and control settings on the cardiograph To make a recording similar to the one in Figure 4 l 1 Connect the patient module leadwires to the simulator Check the display on the patient ...

Page 90: ...itude is correct This assures the correct gain With the cardiograph gain set at 10 mm mV the calibration pulse should measure 10 mm calibration pulse amplitude is 1 mV An arrhythmia simulator is not an acceptable tool for verifying computerized ECG analysis The analysis software is biased to process human ECG data SAECG verification should not be required in addition to standard ECG simulation How...

Page 91: ...ctrodes with a soft cloth dampened in any of the approved cleaning solutions listed above Avoid the leadwire inputs and cable connections Caution Do not use any strong solvents or abrasive cleaning materials Do not spill any liquids on the surface of the cardiograph Do not immerse the patient module Do not use any of the following to clean the cardiograph n Ammonia based cleaners n Acetone n Iocli...

Page 92: ...r 92193W To clean the printhead 1 From the front of the cardiograph unlatch and open the paper door The printheacl is to the right under the paper blade behind the ESD brush see Figure 4 2 2 Scrub the printhead with a foam swab moistened with isopropyl alcohol 3 Dry the printheacl with a lint free tissue To clean the paper sensor lens 1 From the front of the cardiograph unlatch and open the paper ...

Page 93: ...less the working environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments TraceMaster ECG Management System users If you transfer ECGs to the TraceMaster System by disk clean the TraceMaster drive every six months unless the working environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments n Replace disks regula...

Page 94: ...afety tests listed below are performed at the time of manufacture to assure compliance with these standards IEC 601 1 IEC 62D CO 17 UL 544 and CSA 22 2 No 125 n Chassis to ground resistance n Ground wire leakage current H Enclosure leaka gecurrent n Patient lead leakage current source leakage to ground n Leakage current between patient leads 1 Patient lead leakage current sink current with line vo...

Page 95: ...l Connect the cardiograph to AC power and turn on the AC switch Verify the following 0 The AC indicator is lit 0 One or more green battery indicators are lit when C 1 is pressed to turn on the cardiograph Extended Self test Run Extended Self test select All menu choice and verify that each test passes with no errors 0 Patient module and cable 0 CPU assembly 0 Printer 0 Disk drive writable disk mus...

Page 96: ...istortion of complexes or calibration pulses 0 Calibration pulses are of proper duration 200 ms and amplitude 1 mv The trace will vary depending on simulator settings used and simulator type Calibration pulse measurements will vary depending on the cardiograph gain and speed settings Performance Verification and Maintenance 4 15 ...

Page 97: ...3 patieut electrodes is sampled after the multiplexors at a 4 kIIz rate The cardiograph software determines the number of electrodes sampled and the order in which they are sampled Following the multiplexors is the analog to digital converter ADC The ADC by the process of successive approximation converts the multiplexed analog signals to digital words The patient module controller performs a para...

Page 98: ...U has begun executing the software stored in RAM Power off The power off sequence is software controlled The power off sequence is initiated when the on Standby key is pressed battery timeout occurs or the battery is too low to continue At power off the software seesa keycode and begins housekeeping tasks such as completing disk I O requests turning off the printer disabling the keyboard turning o...

Page 99: ...Y iY b OFF GOOD b JUMP TO RAM N b OFF JUMP TO RAM M1700 14 Figure 5 l CPU Initialization Flow Chart Note I WI The M1702A cardiograph loads software from ROM not disk Theory of Operation 5 3 ...

Page 100: ...M1700A also has an optional display that the operator can use to preview the ECG The CPU assembly is the same for all cardiographs except that the M1700A CPU assembly has extra RAM to accommodate the ECG interpretation and analysis software The M1701A and M1702A CPU Assemblies are identical except for the ROM The subassemblies including the CPU assembly and its major circuit groups are shown in Fi...

Page 101: ...ASSEMBLY j I i I i i DRAM j i i CPU DISK CONTROL SERIAL COMM I O j CONTROL ROM DSP EXPANSION BUS J15 1 DRIVE 1 I I J12 M1700 01 Figure 5 2 Simplified System Block Diagram Note I l M1702A does not have a disk drive c Theory of Operation 5 5 ...

Page 102: ... with opto isolators for the data and a transformer for the power The patient module receives leadwire status data from the cardiograph for presentation on the patient module s LCD display A push button 0 on the patient module allows the cardiograph operator to remotely start a recording Figure 5 3 is a simplified block diagram of the patient module s circuitry PageWriter XLe M1702A does not have ...

Page 103: ...c MUX 0 VS A I4 W M H LA I LL ANALOG GROUND ADDRESS A D I 1 ORFEDAJA P 4 OPTO 4 4 P M BUFFERS _ RFEDATA IQ 7 t rnl c 3 f ADDRESS _ 1 LUNIKULLtK IGJ a L J m I L LCD DISPLAY ORFEDATA RFEODATA FEOCLK VFE Figure 5 3 Patient Module Block Diagram Theory of Operation 5 7 ...

Page 104: ...ata bus and 24 bit acldress bus The CPU address and data buses go to the DRAM block the system expansion connector and to latches and buffers as shown in Figure 5 4 Address latches buffer the address signals in order to drive a larger number of devices and latch the addresses Data buffers transceivers allow the CPU to communicate with a larger number of devices and ensure that the CPU data bus is ...

Page 105: ...VIEW DISPLAY I LOGIC POWER SELECT SIGNALS FROM FGA _ _ RE ESTS 1 I 4 KEYBOARD I PATIENT MODULE SERIAL COMMUNICATION b RS 232 FRONT PANEL M1700 02 Figure 5 4 CPU Assembly Block Diagram Theory of Operation 5 9 ...

Page 106: ...ort manages the power on and power off event sequences The data transceivers buffer the data on the CPU data bus to provide adequate drive for the RAM array The system memory circuitry remains energized regardless of whether the cardiograph is On or in Standby The only times that power is lost to system memory are when w The battery is not installed WKZthe cardiograph is disconnected from AC power...

Page 107: ...32768 Hz CRYSTAL OSCILLATOR nnnn I I ADDRESS L l RANSCEIVER DYNAMIC RAM M1700 04 Figure 5 5 System Memory Block Diagram Theory of Operation 5 11 ...

Page 108: ... portion of the patient module interface n Enable and Select generation w System clock generation n Baud rate generation The FGA in its role as keyboard interface sends and receives data directly to and from the keyboard through a 1200 baud serial interface As data bus arbitrator the EGA enables and controls the direction of the data transceivers that buffer system data The FGA also generates the ...

Page 109: ... ADDRESS BUFFERED DATA 32 MHz OSCILLATOR FGA PbSELECTS AND ENABLES CONTROL CONTROL TRANSCEIVER DATA BUS ARBITRATION CONTROLS F M INTERFACE SIGNALS BUFFEREC DATA M1700 05 Figure 5 6 I O Control Block Diagram Theory of Operation 5 13 ...

Page 110: ...receiving RS 232 data The driver receiver circuit converts serial signals between RS 232 voltage levels and TTL levels RS 232 CONNECTOR BAUD RATES INTERRUPTS TO PI0 4 M1700 03 Figure 5 7 Serial Communications Circuitry Digital Signal Processor The digital signal processor DSP assembly consists of a Motorola 56001 digital signal processor and three static RAMS that provide 32K words 24 bits per wor...

Page 111: ...k Drive The disk controller on the CPU assembly see Figure 5 9 provides M1700A and M1701A the interface to the system data bus for the S inch disk drive The only disk drive connects to the CPU assembly through two connectors 514 disk power and 515 data and control signals Pin assignments for these connectors are described in Appendix A BUFFERED DATA J I O CONTROL V INTERRUPT 4 DISK CONTROLLER IC W...

Page 112: ... Voltage Regulator Note I t Although the power supply circuits are discussed separately from the CPU assembly they are all physically located on the CPU assembly except for the battery the transformer and the diode assembly cable which includes the rectifier and filter capacitors Figure 5 10 shows how these circuits connect to each other and to other parts of the system VMAIN and VIN VMAIN connect...

Page 113: ......

Page 114: ...r turns on it can draw peaks of current as high as 20 amps The battery and battery charger provide this current This current limit circuit helps prevent overstressing the switching PETS There are two output voltage modes cycle and float The charger enters cycle mode when the charging current exceeds 400 to 700 mA In cycle mode the output voltage is fixed at approximately 21 to 22 volts The charger...

Page 115: ...overshoot at start up Maximum rated output current is 3 amps 5 Overvoltage This circuit monitors the 5 volt supply to sense an overvoltage or Undervoltage undervoltage condition Sensor When the On Standby key is pressed to turn the cardiograph On 5READY goes high as soon as 5 volts is within regulation 5READY enables the printer switch and preview display and disables the backup supply After about...

Page 116: ...egulators and to the preview power supply The switch which consists of three FETs closes when SWITCHON from the ACON circuit is high A diode in the circuit isolates VIN from the battery during printer current surges ACON Detector This circuit generates the SWITCHON signal that controls the battery switch and the CHARGEROFF signal that controls the battery charger When the cardiograph is running on...

Page 117: ... to load Note I b When this circuit disconnects the battery power to DRAM is lost resulting in the loss of system software and configuration data The software and configuration data must be reloaded from disk before the cardiograph can be used 5 to Backup At power on this circuit connects the 5 V supply to VBACK Switchover as soon as 5 V comes into regulation 5READY goes high At power off this cir...

Page 118: ...ter consists of the control and drive circuitry on the main circuit board the thermal printhead and the paper transport mechanism The block diagram in Figure 5 11 shows how these parts connect to each other and to the rest of the cardiograph Printer Gate Array The printer gate array is the principal component of the printer control circuitry It buffers print data coming from the system and status ...

Page 119: ...bit shift register on the printhead contains the dot data for the print line Data is serially loaded into the shift register then latched so that data for the next line may be shifted into the head while the present line prints A strobe signal enables printing The pulse width of the strobe is adjusted to compensate for different recording speeds and variations in supply voltage average heater resi...

Page 120: ...D The preview logic board connects to the system expansion connector on the CPU assembly The three subassemblies then connect to each other as shown in Figure 5 12 Pin assignments for the preview display connectors are listed in Appendix A J2 SYSTEM EXPANSION BUS PREVIEW LOGIC BOARD I I1 P JC POWER SUPPLY BOARD LCD MODULE Ml 700 09 Figure 5 12 Preview Display Subassembly Connections 5 24 Theory of...

Page 121: ...wing n read write access to the LCD bit map stored in static RAM SRAM for display data reads and writes H write only access to the LCD controller s internal control registers for I O register writes usually done at system initialization The SRAM address bus can be driven by the CPU or by the LCD controller The address multiplexers under the control of the LCD controller select between these two ad...

Page 122: ...damage to the LCD The upper screen and lower screen data lines UD and LD sync signals FP LP and SCP VLCDEN VIN 5 volts VCC and GROUND leave the preview logic board and connect to the preview display power supply board Preview Display Power The preview display power supply board shown in Figure 5 14 Supply Board provides three sources of power to the LCD module m VCC 5 V DC n VLCD 6 to 23 5 V DC w ...

Page 123: ...e controlled by the CPU software providing a software controlled means of blanking the LCD VCFL Supply The VCFL brightness supply consists of two stages The first stage is a switching regulator that converts VIN into a voltage that is varied by the brightness potentiometer The second stage is a high voltage inverter module that generates the high voltage AC signal necessary to operate the fluoresc...

Page 124: ... component replacement should not be attempted outside of an authorized Hewlett Packard repair facility Component level repair is extremely difficult due to the extensive use of surface mount technology and the high parts density on the circuit boards Unauthorized component replacement can impair cardiograph performance and jeopardize credit towards a replacement assembly Test Equipment The follow...

Page 125: ...ime The date the error occurred as set on the cardiograph The time the error occurred as set on the cardiograph This field is reserved for factory use It may help factory personnel assist on very diflicult problems The error log lists the 100 most recent events The stored error log is cleared each time the software is reloaded whether from the System disk that comes with the cardiograph or from a ...

Page 126: ...37 40 04 01 1990 14 38 34 0000000 ooooow 0006oD2 00w002 0006002 0006002 0000000 0000005 0000005 0000005 0000005 0000005 OOOOOll 0000000 0000000 0000000 0000005 0000005 0000005 0000000 0000000 0000005 0000005 0000005 0000005 0000005 0000005 0000000 0000000 0000005 0000005 0000005 0000000 0000000 0000000 0000000 0000005 0000000 0000000 0000000 Lot 00000 BOB Error Date Time Status 05007 o4mln99o 14 3...

Page 127: ...tient module The problem can be caused by hardware or software and can occur in the cabling the CPU assembly or the patient module To locate and correct the problem use these actions 1 Check all cables 2 Cycle the power 3 Run Extended Self test 4 Reload the software 5 Refer to the troubleshooting table for the patient module and cable Using Extended Self test in Troubleshooting The cardiograph s E...

Page 128: ...tient module display and the printer w Patient module test failed n Patient module cable test failed n CPUassembly test failed n Printer test failed n Disk drive test failed n Preview test failed n Modemtest failed Troubleshooting Tables The troubleshooting tables in this section help you to localize a fault and correct it The troubleshooting flowchart in Figure G 2guides you to the troubleshootin...

Page 129: ...tore or retrieve doto See Table 6 6 PREVIEW DISPLAY Nolhq on display Garbled data on display See Table 6 7 KEYBOARD MAIN DISPLAY Keys don t function or qorbled hsploy See Table G S TRANSMIT FAX MODEM Unable to tronsmt and w receive dota See Toble F 9 M1700 3 Figure 6 2 Troubleshooting Flowchart Caution Before removing or inserting any board or connector make sure AC power is off the battery is rem...

Page 130: ...graph to Standby and back to On Tip I tit If the cardiograph will not turn on or operate and displays an error code the preview logic board may be defective and causing these symptoms Try disconnecting the preview logic board to eliminate it as the source of the power on problems Troubleshooting 6 7 ...

Page 131: ...d Reload software RAM code corrupt after loading code 6505 6506 6600 6601 6602 Insufficient memory M 1700A software loaded into an M1701A Catastrophic software failure Failures in power on routine 1 Load proper software 2 Replace CPU assembly Reload software 1 Cycle power 2 Reload software 3 Replace CPU assembly 6605 6609 6610 Missing message table Disk could be bad 6606 6607 Failures in power on ...

Page 132: ...rcl circuit board Replace user interface assembly VMAIN connector J6 not plugged Plug in VMAIN connector in on CPU assembly VBACK or VBAT regulator Replace CPU assembly defective VMAIN or VIN not present Check for VMAIN and VIN on CPU assembly see Testing the Power Supply at the end of this chapter If only VIN missing replace CPU assembly If both missing replace rectifier assembly Cardiograph does...

Page 133: ...ive Replace CPIJ assembly 3attery charge level inclicator Battery not fully charged With unit plugged into AC power turn lever indicates full capacity on unit and observe battery level indicator If all green lights are on battery is fully charged If some green lights are not on battery needs further charging Battery is defective Replace battery Keyboard circuit board is defective Replace the user ...

Page 134: ...or technique the noise may be the result of faulty leadwires Only when you eliminate technique and leadwires as the causes of the noise should you consider replacing the patient module The leadwire status indicators on the patient module and the leadwire shorting plugs can be used as a troubleshooting aid With the SAECG patient module these indicators are only active until the Isrartl key is press...

Page 135: ...ntacts on the patient wire is off leadwires module are clean and dry Defective patient module Replace patient module Defective or dirty leadwire Clean and switch to isolate defective leadwire Replace defective leadwire Leads off indicated when wire is not off Poor electrode contact Improve patient preparation Defective leadwire Remove leadwire and install shorting plug If leads off isn t indicated...

Page 136: ...ient or patient module cable near Reposition patient module cable Try AC power plugging cardiograph into AC outlet Noisy lead s Muscle artifact Patient is not relaxed or skin has Refer to Table 6 1 in user s manual been irritated Low quality disposable electrodes Replace disposable electrodes or leadwire adapters leadwire adapters Test with ECG simulator Replace defective leadwire If none defectiv...

Page 137: ...ective Action System won t turn on battery Defective CPU assembly Replace CPU assembly installed and OK System turns on but won t run Power supplies OK Stored software corrupt Reinstall software Defective CPU assembly Replace CPU assembly 6 14 Troubleshooting ...

Page 138: ...bly Replace CPU assembly Replace printer door assembly Paper stops in the wrong place Wrong type of paper Lfter pressing Page Advance or Auto No error message Dirty sensor lens Defective sensor Defective motor sensor cable assembly Defective sensor circuit Make sure cardiograph is loaded properly with approved thermal paper Clean sensor lens Replace sensor assembly Replace motor sensor cable assem...

Page 139: ...tor Sl on CPU set incorrectly Set selector Sl correctly refer to Chapter 7 Printed data is garbled Defective printhead Replace printhead assembly Defective component in data path 1 Check printhead cables 2 Replace CPU assembly oar print quality or some lots not printing Dirty printhead Clean printhead Loose ESD brush fibers Remove loose brush fibers and clean printhead Incorrect printhead or senso...

Page 140: ...s on CPU Replace CPU assembly assembly Unit is jarred while storing to disk Do not move unit during disk operations while yellow disk drive light is on Fails Extended Self test disk Defective disk used for test Replace disk and retry drive test No disk in drive Insert disk in drive and retry Disk write protected Change write protection on disk Wrong disk density Use 1 44 MB disk Defective cable Re...

Page 141: ...ess the working environmept is particularly dusty or dirty Clean the drive more often in dusty or dirty environments TraceMaster ECG Management System users If you transfer ECGs to the TraceMaster System by disk clean the TraceMaster drive every six months unless the working environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments w Replace disks regular...

Page 142: ... power Verify presence of VCC and VIN at supply and LCD module input to power supply board Refer to Appendix A for pin assignments Verify presence of VCC VLCD VCFL at power supply board output Vo brightness adjust Defective brightness potentiometer Replace power supply board or defective power supply board qo contrast adjust Defective contrast potentiometer or Replace power supply board defective ...

Page 143: ...cted Replace LCD module Replace board Ensure that plug is fully connected Replace cable if defective Replace board Replace CPU assembly Table 6 8 Keyboard and Keyboard Display LCD Display stays blank Keys won t work Unable to enter data or operate controls Contrast or brightness misadjusted No 5 volts due to defective interconnect cable Defective LCD assembly Defective 5 volt regulator in main pow...

Page 144: ...odem defective and dial number Ensure that modem answers with high pitched tone Extended Self test modem test RS 232 cable not plugged in or Plug in to cardiograph if defective railure defective replace Power cable not plugged in or Plug in to cardiograph and turn on AC defective or cardiograph AC off if defective replace Modem not turned on Turn on modem If modem is turned on or if unit is a fax ...

Page 145: ...during AC and battery operation Be careful not to touch any of the exposed capacitor connections 1 2 Open the top cover assembly as described in Chapter 7 Removal and Replacement Make sure the cardiograph is connected to AC and that the AC switch is on Then pull out the battery enough to disconnect it Caution II Be very careful to not short VIN to ground or to other pins This will result in cardio...

Page 146: ...y 10 Measure WE at pin 5 of the ECG Input connector J9 It should read approximately 11 volts Its presence confirms the proper operation of the WE regulator circuit that supplies power to the patient module 11 Measure VPRINT It should read approximately the same as VBAT Its presence confirms the proper operation of the printer switch circuit 12 Measure VMOTOR It should measure 15 6 to 17 9 V DC Its...

Page 147: ... 5 L I J JlD J9 VBATt VBAT I I In q l I151 I I I A II II II u I I II lol nnrl 1 J III rJ cl u uuu III I t J l I J II n 1 Wrlrlrlrl II JoLlLluuq M1700 37 Figure 6 3 Voltage Test Locations 6 24 Troubleshooting ...

Page 148: ...efix of 3208A or later conform to this revised specification This chapter contains procedures for all PageWriter XL cardiographs The particular procedure you will use depends on the serial number prefix of the PageWriter you are servicing Make sure you use the correct procedure for your particular cardiograph Note I u The way in which wires and cables are routed and dressed inside the main chassis...

Page 149: ...s of data including the configuration and software stored in system memory the cardiograph must be connected to AC r7 with the AC switch turned on when the battery is removed If you are servicing an M1700A or M1701A PageWriter store the configured software on disk as described in Configuration Files in Chapter 2 If you are servicing an M1702A PageWriter print a copy of the cardiograph configuratio...

Page 150: ...vent it from slipping and possibly causing injury 4 Slide the battery and battery holder out of the cardiograph 5 Separate the battery holder from the battery and set the battery aside for storage or proper disposal Warning Dispose of or recycle depleted batteries according to local regulations Do not disassemble puncture or incinerate the battery assembly Removal and Replacement 7 3 ...

Page 151: ...y holder 4 Press the On Standby switch to turn the cardiograph On 5 Check that the AC indicator and one or more battery level indicators are lit Note I To insure full battery capacity charge the battery for 24 hours after you install it in the cardiograph The battery will charge as long as the cardiograph is connected to AC and the AC switch is on Note I w To verify battery capacity turn on the un...

Page 152: ...igure 7 3 To reinstall the keyboard snap it back in place _______ ______ t Qle QQ l izs QQe Q Q wg Figure 7 3 Removing the Keyboard A Pry slots The User Interface The user interface assembly consists of the main bezel the keyboard Assembly PCB and the front panel display Removing the User Interface Assembly Caution Use an electrostatic wrist band or other approved method for protection against ele...

Page 153: ...d LCD circuit boards are accessible 5 Disconnect the ribbon cables from the circuit boards Caution Do not remove the circuit boards from the user interface assembly Removing the boards can impair the long term reliability of the cardiograph Replacing the User Interface Assembly To replace the user interface assembly reverse the above procedure 7 6 Removal and Replacement ...

Page 154: ...to remove the printer drive assembly To remove the printer drive assembly 1 Remove the keyboard and the user interface assembly as described previously in this chapter 2 Remove the printer door a Release the latch and pull the door out to the first stop b Compress and remove the plastic retainer clip at the end of the rear plastic rail c Slide the door out of the rails and set it aside 3 Lift off ...

Page 155: ... the cardiograph Figure 7 6 Printer Drive and Keyboard Ground Plane Screw Locations 6 Carefully pry up the plastic gear housing to free it from the alignment pins on the cardiograph If the gears fall off their shafts refer to the first step in the printer drive replacement procedure that follows 7 8 Removal and Replacement ...

Page 156: ...e first stop b Compress and remove the plastic retainer clip at the end of the rear aluminum rail c Slide the door out of the rails and set it aside 3 Lift off the printhead cover as shown in Figure 7 7 As you lift off the cover note how the tabs on the printhead cover interlock with the other plastic parts of the top cover Y 1700 2 Figure 7 7 Removing the Printhead Cover 4 Remove the four screws ...

Page 157: ...s the motor ground spring to the upper chassis 6 Disconnect the motor and sensor connectors 7 Remove the two screws callout A in Figure 7 S that attach the plastic gear housing to the carcliograph S Carefully pry up the plastic gear housing to free it from the alignment pins on the cardiograph If the gears fall off their shafts refer to the first step in the printer drive replacement proceclure la...

Page 158: ... Printer Drive Gears 2 Press the gear housing onto the alignment pins 3 Reinstall the two gear housing screws 4 Reconnect the motor and sensor connectors Note I t The motor ground spring callout B in Figure 7 S and the motor ground spring attaching screw callout C were not included on units having a serial number prefix of 3208A and may be left off 5 On models having a serial number prefix prior t...

Page 159: ... prefix 320SA or later use these procedures to remove or disassemble the preview screen assembly Removing the Entire Preview Screen Assembly Use this procedure to remove the preview screen assembly as a single unit Warning Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive...

Page 160: ...ve 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the two knobs from the front of the display 6 Remove the left and right clutch covers a Insert a small flat bladed screwdriver in the slot at the bottom rear of the cover and gently pry up till the catch releases b Tilt the cover fo...

Page 161: ... cover up until the catches on the top of the screen housing release 10 Use the TlO Torx driver to remove the screw that connects the green and yellow ground wire from the display cable to the metal display frame 11 Lift the power supply board out of the screen assembly and disconnect the ribbon cable from the power supply board 12 Remove the flat ribbon cable to the LCD and set the power supply a...

Page 162: ...forward slightly to disengage the tabs at the front then lift it away This is easier if the display lays flat on the PageWriter 6 Remove the screws holding the ground straps on both sides 7 Remove the mounting screws and washers from the right and left clutches 8 Open the top cover and disconnect the preview cable from the preview logic board see Opening and Removing the Top Cover Assembly later i...

Page 163: ...uires effort to remove it 8 Pull the screen housing s left pivot arm out of the left clutch and lay the screen face down on top of the cardiograph 9 Pry off the back cover of the screen housing a Use a small flat bladed screwdriver to disengage the three catches on the bottom of the screen housing as shown in Figure 7 12 Figure 7 12 Removing the Preview Screen Assembly b Pivot the cover up until t...

Page 164: ...ograph you must install the software using either the System disk supplied with the cardiograph or a custom configuration disk Before removing the M1702A battery print a copy of the cardiograph configuration to facilitate restoring the configuration when power is reapplied See Installing Software in Chapter 2 The procedure you will use depends on the serial number prefix of the unit you are servic...

Page 165: ...ove the user interface assembIy as described earlier in this chapter 6 Remove the three screws from the rear panel as shown in Figure 7 13 Figure 7 13 Opening and Removing the Top Cover Assembly 7 Slide the top cover forward about 1 inch then carefully lift it straight up until there is enough clearance to tilt the left side up To remove the top cover assembly continue as follows 8 If the cardiogr...

Page 166: ... on the line module terminals even when the AC switch is off When the AC switch is on there are also dangerous voltages on the terminals of the mains transformer If you must have the AC power connected while the cardiograph is open do not touch any of the exposed connectors The rectifier assembly capacitors store hazardous amounts of energy during AC and battery operation Be careful not to touch a...

Page 167: ...r prefix of Assembly the unit you are servicing Make sure you use the correct procedure for your particular PageWriter PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix of 3208A or later use this procedure to remove the printhead assembly Caution 8 Use an electrostatic wrist band or other approved method for protection against electrostatic discharge...

Page 168: ... of the printer well Pull the two ribbon cables and the ground wire from the slots in the top cover PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use this procedure to remove the printhead assembly Caution Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and ...

Page 169: ...s You need to open the cover again when you install the new printhead 7 Remove the printhead cover as shown in Figure 7 16 Figure 7 16 Removing the Printhead Cover and Printhead 8 Remove the screws that attach the motor ground spring and printhead ground braids to the upper chassis 9 Pull the leaf spring up and out of its slots in the well 10 Remove the two screws holding the ground straps to the ...

Page 170: ... of the manufacturer s label You need this code later in this procedure when you set the printhead resistance selector on the CPU assembly The code is a number that corresponds to a range of printhead resistance as listed in the following table Table 7 1 Printhead Resistance Codes Code Resistance Code Resistance 00 535 550 R 08 G31 640 R 01 551 565 09 641 650 02 566 580 A G51 660 03 581 590 B Ml 6...

Page 171: ...s to position 0 09 corresponds to position 9 FF corresponds to position F etc M1700 25 Figure 7 17 Printhead Resistance Selector 8 Close the top cover assembly 9 Replace the printhead cover 10 Install the user interface assembly and the keyboard 11 Run the Extended Self test printer test described in Chapter 4 7 24 Removal and Replacement ...

Page 172: ...this procedure to remove the preview logic board Caution Q Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and handling the preview logic board To remove the preview logic board Warning Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Ve...

Page 173: ...o the chassis see Figure 7 18 7 Disconnect the preview logic board assembly from the system expansion connector on the CPU board assembly and slide the logic board out Figure 7 18 Preview Logic Board Removal Serial Number Prefix 3208A or Later 7 26 Removal and Replacement ...

Page 174: ...e following four steps sequentially to eliminate the chance of exposure to hazardous voltages and to avoid damage to the preview display 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the top cover assembly a...

Page 175: ...embly and slide the entire assembly out 8 Remove the screws that hold the RF1 shield and board to the frame The shield and board can then be lifted off the frame Replacing the Preview To replace the logic board reverse the appropriate removal Logic Board procedure or refer to the installation instructions included with the replacement part 7 28 Removal and Replacement ...

Page 176: ...rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the top cover assembly as described previously in this chapter 6 Disconnect the two rectifier cable spade lugs J6 and 57 and the two disk drive cables 514 and 515 See Figure 7 20 for jumper locations 7 If the unit has a preview assembly remove the preview logic board assembly ...

Page 177: ...vvvv 1 v JlO J9 OEI 2 om 0 3 0 1 i 0 0 c t K3 oJ8 al Jl M1700 27 Figure 7 20 Screw and Connector Locations on the CPU Assembly 7 30 Removal and Replacement ...

Page 178: ...or other approved method for protection against electrostatic discharge when disconnecting cables from and handling the disk drive 1 Remove the top cover assembly as described previously in this chapter 2 Remove the two screws that attach the plastic vibration mounts to the chassis 3 On units having a serial number prefix prior to 3208A remove the 7 32 inch nut that attaches the ground strap to th...

Page 179: ...assis 6 Remove the screws that attach the vibration mounts to the disk drive and set the mounts aside for reuse 7 Remove the screw that attaches the ground strap to the bottom of the disk drive set the ground strap and screw aside for reuse Replacing the Disk To replace the disk drive reverse the removal procedure Drive 7 32 Removal and Replacement ...

Page 180: ...itetl States you ci 11 ortlcr inctlical sul plicls for the cartliograpli I y calliilg toll free I SOO 225 OLlO Calling for Assistance United States of America Canada l crc 11v 111 IIIIII PI yoti ill1 II 1 0 cidl IlPWlPtt l lClid Service fO1 tccllniciil assistiliicc Tel I sOO S SS Eastern Region Central and Western Region Td l SOO 1jl 9i90 Td I soo Lm 1221 Refer any questions or m1111i ci11 s rrgar...

Page 181: ...lFfcrcl ccs to AIIA IllCall Ll1a L the color cotlc c onforllls to rccomnlcntlatiolis ol Lllc Amcrica Ilcn ll sso iill ion AlI I fcrctll C i LO ll III I II LIIiIL 1 11 C OlOl o P wufortlis LO InLcni tioiid 13lr ti ot li ric l oiiiliiissioll Slalitlartls IIcAfer to TZlblP I S fOl youi R ogl ilI lli al lO ilt i Oll 8 2 Parts Lists ...

Page 182: ...tlwire replaceiiieiit liil 24 iii W clii I IX RI1715B est leadwire wplawliwiit kit I5 iii S ctii AllA h4I7 I2C 3est leadwire wplncciiielit liil 15 ilr SX III 113 M 171K 1 Leatlwire set All c 0111plct r M 1713B Leatlwire set I l3 coi plek RI17168 Leatlwire set Petl Fr l l incl ltlcs 2 FrittIl Icads I II PIs hl 1717B Frank lends Ialwl h41700 84513 Sliorting plug h41700 47GO2 Leatlwire support Iiil h...

Page 183: ...t kit contains shorting plugs lead spreaders and post adapters m Use part nunll er M 1717B for VCC rcplarcnlcnt lcatlwires m The C version chest leadwire kits are the same Irngth as the original A version kits m The SAECC pnticnt modules function itlenticdly to the standard modules when the cardiograph is not iii SAE G mode Figure 8 2 Main Assembly Exploded Diagram Serial Number Prefix 3208A or La...

Page 184: ...iEISliPlr M 1700 47310 3 Key asseriil ly Dud M 1700 64738 Key asse ril ly Englisli RI1700 64708 Key asserrhly Ihwcl M1700 64718 Key asserrhly cr nti RI1700 64728 Key asse nl ly Il nlian A41700 64758 Key assctiil ly Spanish M 1700 64748 Key assetiihly Swtlisli A41700 647GS 4 Bntt cry a sc l ly Iwtl acid Iv11721A 4a Batt ery guitlc l r or riglit sitl M 1700 47309 lb Bal l ery hliicld M 1700 4730s 5 ...

Page 185: ... set SAECG version A O1 OO M1754A Software set version A 02 00 Software set version A 03 00 M1755A Software set VCG version A O1 OO M1790A Software set delete analysis preview option DOG 3 5in high density replacement disks box of 10 Power cord UK Power cord Australia Power cord Europe Power cord US Power cord Denmark Power cord Switzerland Power cord South Africa 24 AC transformer assembly 25 Cha...

Page 186: ...isll RI 17OOA AtI1701A antI A41700 84648 RI1702A Label for Iicy lxtncl Swcdisll AIIiOOA RIliOlA at tl A41700 84GGS A41702A I eyboartl Ial el sel I utcli Iv11700 84738 I eyl oartl 1 1Iwlwl I ilglisli A I1700 84708 Iieyl oartl Ial WI I iiIIiisli Al 1700 84788 I cyl oartl l ll l lSC I l c llcll RI1700 847 18 Keyboard I il cl wl III III AI1 700 84728 Iieyl oartl lal c lset Il lliilll A41700 84758 liey...

Page 187: ...Lower c1ra k Top sheet nletal Cover Cover tlisp Front Fronta Lower right side Lower left side Disk support l3attcry shield l3attery guitlr Foot cup Itet hel Part No M 1700 69503 3101 0402 9135 0457 R41700 07323 M 1700 07324 M 1700 47206 M 1700 47225 M 1700 47207 A41702 47207 M 1700 47217 A41700 47229 M 1700 47303 M 1700 47305 M 1700 47309 i l1700 473 19 AI 1700 47320 RI1700 47321 8 8 Parts Lists ...

Page 188: ..._ a 301 m A I Figure 8 3 Main Assembly Exploded Diagram Serial Number Prefix Prior to 3208A Note The 1 nttel y door asst 1111 ly tlocs 1101 ilIcl1Itlv the door lchel To get the lal cl order LIIClal cl srt for the Iil rlgll gP ncwlctl Parts Lists 8 9 ...

Page 189: ... sitI 5 Bntt ery door asselllhly G Cover right side priiit hcatl 7 Left side not sliown 8 Cover top rear id 1700A w o pwvi aw i l I70 I A M 17WA over top rear RI 1iOOf I piwiw 9 Cover front RI liUOt alid hl 170Ii 1101 howii Cover front VI 1iO LA 10 Side right lowei Side left lowel 11 See itelii 27 12 Jacli nut 13 Diode array cahl SWIIII I 14 Disk drive R41700A and kl Ii01 A Part No M 1700 60100 A4...

Page 190: ...warc wt Si IX Xi va3ic tb t OI W hl I754 f oftware sel vc rsiotl f U L W oftware set vc rsiotl i UJ W iI1 I755A oft warc sft wrsioli VU A 01 00 hl 17 U 3 5in Iiigh clcthiLy rcpl c c i l tliul s I os 01 IO Power cord UK Power cord AusLralia Power cord L opc Power cord J j Powr cord DerlllI LrI Power cord Swil x rl uid Power cord Sol1th Africa AC transforlller asser hly C nssis lower slleel tiiel al...

Page 191: ...ian Ril17OOA Rl1701A and M 1700 84678 R41702A Label for key panel Spanish kl l700A iV IiUlA III M1702A h41700 84648 Label for key lxmcl Swtlisll I INUA h II70 1A and M 1702A M 1700 8466s Iieyboartl lalwl wt Diikli M 1700 84738 I ryl oartl I Awl wt I riglidl L Ml 700 S4708 I eyl oartl lalwl set Finnisll N1700 84788 lieyboartl Inbc lset I cnclr R11700 84718 I cyl onrtl lal el set crinar ivl1700 8472...

Page 192: ...AC switch 3101 0402 Power rnotlule 9135 0457 Lower chassis M 1700 07323 Top sheet metal M 1700 07324 cow R41700 47206 C over lisp R41700 47225 Front M 1700 47207 Front M 1702 47207 Lower right side A41700 47217 Lower left side R41700 47229 Disk support M 1700 47303 Bat tery shield M 1700 47305 Battery guide i 41700 47309 Foot RI1700 47319 cup MliOO 47320 Ret niirci M1700 47321 Parts Lists 8 13 ...

Page 193: ...h CPIJ R13 25 TIO 05150446 assembly to chassis All plastic parts to 4 24 X 0 250 self tapping screw OG24 0730 chassis keyboard PCB to TIO front bezel LCD to front bezel Printer gear assetlhly to lvl3 s scrc v 1 10 0515 1753 chassis feet t o chassis Preview clukli llrorirlting R l4 LOscrew 1 15 0515OG8B IJser int erface t o cllassis hI 3 10 Iln llc ad TIO 0515 1103 Previw logic shi ltl I 0 hl3 I2 d...

Page 194: ... r ___ K _ I c 3 2 JY M1700 44 Figure 8 4 Printer Assembly Diagram Note Tl c printer door nssc l ly low IIOLillclrltlc the door label To get tl1P lZLl f l OI CICI LIIP IiIi Pl SC 1 1 01 LllP I l Il l P IlWtletl 0 Parts Lists 8 15 ...

Page 195: ......

Page 196: ... Y d 1 fif I 4 i i l _ b _ Y Y I l Y Y xl I x tti k _ St f 1 1 _ II i h 2 y v I 3 1 I I I I I j 1 i ____ _ e e IAbLE NO T SHOWN Figure 8 5 Preview Display Assembly Diagram Parts Lists 8 17 ...

Page 197: ...only Clutcll covw right llrl cll cowl Id t Display cal lc incllidcd Icft prwicw clut cl Pwvicw rlul cl ovcr t op I cal M1700 67104 M 1700 27904 M1700 60102 A41700 47501 M 1700 67203 M 1700 47222 A41700 84594 RI1700 47101 h41700 47102 RI1700 6 1620 h41700 67901 Al 1700 47225 Note I agrWritcrs Il l villff u 1 hCl iiIl IIIIIIII I pI liSS 01 I LOS I 01 la ter have a Ii new tlrsign tl at allo b c asicr...

Page 198: ...Figure 8 6 Cart Exploded Diagram Parts Lists 8 19 ...

Page 199: ...crew tpg 6 19 secures upper and lower trays Screw tpg 6 19 secures paper tray Flat washers 2 per front caster Screw machine 8 32 secures front of lower tray Hex head captive screw 3 8 16 x 2 secures front caster Wave washer 2 per rear wheel removable axle Spacer wheel 2 per rear wheel removable axle Nylon washer for lower tray screws removable axle Part No M 1700 27907 0510 1195 0590 1037 0624 065...

Page 200: ...Figure 8 7 Cart Exploded Diagram Parts Lists 8 21 ...

Page 201: ...rew 3 B 16x2 9 Handle bolt 12 Frame 14 Washer 15 Washer flat 16 Upper tray 17 Lower tray 18 Paper tray 19 Handle 20 Label Cart 21 Nut 3 B lck 22 Washer Flat mtl 23 Tray Filler Part No M1705 69500 0590 1977 0624 0400 0624 0654 1492 0129 1492 0150 2940 0201 2940 0281 M 1705 27301 2190 0758 3050 1401 M1705 47301 M1705 47302 M1705 47305 M 1705 67300 M1705 84502 0590 1037 2190 0457 M1705 47313 8 22 Par...

Page 202: ...yes Optima modem 288 US Canada hl1706 89521 Hayes Smart modem 2400 France M 1706 89503 Hayes Optima modem 288 France M1706 89523 Hayes Smart modem 2400 Italy M1706 89506 Hayes Smart modem 2400 Netherlands M 1706 89504 Hayes Optima modem 288 Netherlands M1706 89524 Hayes Smart modem 2400 United Kingdom M 1706 89505 Hayes Optima modem 288 United Kingdom M1706 89525 Data cable direct 24542M Data cabl...

Page 203: ...t Cable 24542M or M1706 61636 M170G 61636 cable has locking clips to securely connect to the faceplate The 24542M cable does not The M1706 61636 cable measures 5 feet 1 52 meters the 24542M measures 9 9 feet 3 meters The 24542M M1706 61630 and M1706 61636 cables are electrically equivalent and can be interchanged for troubleshooting 8 24 Parts Lists ...

Page 204: ...m Cable Parts List Description Hayes Smart 2400 Modem Power Cable Hayes Optima 288 Modem Power Cable Phone Line Cables us French Dutch UK Italian Haves Data Cable T Part No M1706 61619 M1706 61620 8120 3395 h11706 61632 M1706 61633 M 1706 61634 hI1706 61635 h1170F 61630 Parts Lists 8 25 ...

Page 205: ... List I I Ref Description No I Part No 1 Hayes Smart 2400 Modem Power Cable M1706 61619 Hayes Optima 288 Modem Power Cable hI1706 61620 2 Phone Line Cable See Table B 11 3 Quick Connect Cable M1706 61636 14 1Haves Quick Connect Cable 1M1706 61637 I Note I w The M1706 61636 cable functions as a direct connect cable when separated from the M1706 61637 8 26 Parts Lists ...

Page 206: ...Figure 8 12 Cabling for LaserJet Printing Table 8 14 LaserJet Cable Parts List Ref No Description A PageWriter XLi cardiograph B LaserJet Printer C HP LaserJet Printer Serial Interface Port D Serial Data Cable HP 24542G _ Parts Lists 8 27 ...

Page 207: ...e active low signals NC means no connection to a pin Refer to Figure 5 2 and Figure 5 12 to seehow the system interconnects CPU Assembly Connectors Refer to Figure 7 20 for the CPU assembly connector locations Note I t The system s 5 V power supply is divided into several circuits each c of which is passively filtered for EMI Therefore the 5V signal shown in the pin assignment tables does not alwa...

Page 208: ...al ACONLED Definition AC on LED Drives the AC indicator LED on the keyboard KBD RESET Keyboard controller reset KRX Keyboard receive data from the CPU assembly KTX Keyboard transmit data to the CPU assembly LCDDATA Eight data bits for keyboard LCD LCDE LCD Enable active high LCDRS Control that identifies data as display or instruction LCDRW LCD Read Write control read high write low nONKEY Signal ...

Page 209: ...itor PWM in the 5 volt supply Valid when the cardiograph is On Printhead latch latches a line of print data Printhead strobe enables the dot drivers Print data output to printhead Printhead clock Clocks serial data into printhead at 4 MHz VTHERM Voltage from printhead thermistor indicates printhead temperature Connector Pin Assignments A 3 ...

Page 210: ...tor Indicates the state of the printer compartment door High when door closed Paper sensor emitter Drive signals for the printer s four phase stepper motor VPRINT Switched battery voltage to the printhead Enabled with 5READY signal VMOTOR Power to the motor Enabled with 5READY signal A 4 Connector Pin Assignments ...

Page 211: ...tery is installed Connects to the thermistor in the battery assembly Connects to the thermistor in the battery assembly Battery negative terminal connected to ground through a resistor Battery positive terminal connected to VBAT voltage line through a fuse Table A 5 Printhead Power Connector J5 Signal VPRINT Definition Power to the printhead Enabled with 5READY signal Connector Pin Assignments A 5...

Page 212: ... 1 GROUND 2 RFECLK 3 GROUND Signal Definition QRFEDATA Output signal to the patient module RFECLK Clock input from the patient nioclule RFEDATA Data input from the patient module VFE Regulated voltage for patient module A 6 Connector Pin Assignments ...

Page 213: ...XD TXD Pin Signal 1 DCD 2 RXD 3 TXD Definition Data clear device RS 232 handshaking signal Clear to send RS 232 signal UART output Ring in RS232 signal Ready to send RS232 signal Received data UART input Transmit data UAR T output Connector Pin Assignments A 7 ...

Page 214: ...regulation C 1 loes ow when 5 volt supply is off or out of regulation CPU address bus CPU address strobe active high l us cycle state bits Indicates current bus cycle CPU data bus CPU output 1 data 0 control cycle Hold acknowledge from CPU IIold request from CPU General purpose input bits Expansion interrupt Interrupt line to the CPU Enables preview LCD Control that identifies data as display or i...

Page 215: ... bus cycle Wait states are forced into the bus cycle as long as nWAIT is asserted High byte write enable Low byte write enable General purpose output bit Phase synchronized reference signal that indicates the CPU bus cycle phase 0 phase 1 1 phase 2 Changes the speed of the system clock 1 32 MHz 0 8 MHz Backup 5 volts for DRAM Rectified AC ranges from 15 to 31 volts depending on line voltage and lo...

Page 216: ...Pin Assignments removed from the drive Goes low when the disk is rclnoved goes high when a disk is reloaded and a step pulse is received from the system Drive select signals A once per revolution pulse that indicates the beginning of a track on the disk Controls the operation of the drive motor when a disk is loaded Data read from the disk and sent to the system Selects the side of the disk to be ...

Page 217: ...tion available only on the M1700A cardiograph Table A l 1 Preview Display Logic Board Jl to Preview Display Power Supply Board 52 Signal 5VF FP LDO LD3 LP POWERGND SCP UDO UD3 VIN VLCDEN 101UD3 1 20 1GROUND 1 Definition A filtered version of the system 5V Frame pulse Clocks in one screen of LCD data Data bits for lower half of preview screen Latch pulse Clocks in one line of LCD data Power ground ...

Page 218: ...y to LCD Module J2 Signal FP LDO LD3 LP SCP Definition Frame pulse Clocks in one screen of LCD data Data bits for lower half of preview screen Latch pulse Clocks in one line of LCD data Shift clock pulse Clocks in upper and lower LCD data UDO UD3 Data bits for upper half of preview screen VCCFILT Filtered 5V VLCD Contrast voltage to the preview display A 12 Connector Pin Assignments ...

Page 219: ... module The system is easy to learn and use and provides full signal averaging capability while eliminating the need for dedicated SAECG equipment The SAECG System continuously displays real time waveforms averaged waveforms and noise level information on the XLi cardiograph s preview screen The system provides three user selectable high pass filters 25 40 and SOHZ and allows you to select either ...

Page 220: ...ule Match the color coding on the leadwires to the color coding on the patient module 4 Install shorting plugs in the patient module in those positions without leadwires Figure B l Connecting the Patient Module A Leadwires B Patient Data Cable Note I v The M1754A SAECG patient module can acquire both SAECG and standard ECGs To get the best results for SAECG remove the LL and LA leadwires and insta...

Page 221: ...n Standby 2 Insert the M1754A SAECG application disk in the cardiograph 3 Press Con Standby to turn the cardiograph On The message Load SAECGapplication appears 4 Press Yes The copyright display appears briefly then the following display appears SAECG M1754A A O1 OO The asterisks gradually extend across the display as the software is installed When installation is complete the following display ap...

Page 222: ...e peak of the QRS can he moved from the center to the right or left third of the display and the printed report The noise window is moved by the same amount as the fiducial point This controls how closely the acquired beats must match the template A value of 0 99 means the acquired beats must match the temlllate as closelv as 13ossible The end of the averaging process is controlled by either the a...

Page 223: ...to Manual This sets the automatic scaling of the filtered leads on the llrinted reuort Filt lead scale 2 Vector scaling 5 lV null Auto Manual The scale used for filtered leads on the printed reports This sets the vector scaling on the printed report Vector scale 3 2 lv llull The vector scale used on the printed reports Vector scaling can also be changed during editing 1 This field appears only if ...

Page 224: ... use in detecting late potentials SAECG requires A 02 XX or higher revision software SAECG application software and an SAECG Patient Module 573131715 10 11 1991 02 0 13 PM L rrlrc EdwardEr nr rkpt ECG 56 re rr td e Room 2412 opor 1 s CommcntIComplrInlog 0 belt p sa Figure B 2 An SAECG Report B 6 M1754A Signal Averaged ECG SAECG System ...

Page 225: ...wing appears in the display Prev Reformat Timed ContPrev Delayed Exit Press Exit to display the applications menu 1 2 Press SAECG A display similar to the following appears Start SAECG 02 13 92 10 22AM 1 3 Press Stayt The message Determining template beat appears followed by this display r Select the template Select Reject Match Noise Exit M1754A Signal Averaged ECG SAECG System B 7 ...

Page 226: ...uires another Match Lets you adjust the matching window Use the iJ and Q keys to position the window then press Done tiIatke sure the matching window contains the fastest rising portion of the R wave Noise Lets you adjust the noise window Use the and 0 keys to position the window then press Done h lake sure the noise window is on a flat part of the signal and that the T wave is not inside the wind...

Page 227: ...s Done to store the report Onset Allows you to adjust the QRS onset marker When you press Onset or Offset the following display appears Offset Lead Done Adjust the onset Exit Use the and f7J keys to move the onset window then press Done Allows you to adjust the QRS offset marker see dove Lets you view another lead When you press Lead the following display appears Choose another lead Vector X Y Z E...

Page 228: ... ID number of the ECG you want to edit or print you can select the ECG as follows H Press More then Find H Type the patient ID number Press Enter The most recent ECG with that patient ID number appears n If you want a different ECG for that patient you must scroll through the list by pressing Previous n When the ID number you want appears press Select You can now adjust the onset and offset and pr...

Page 229: ...s and release the Alt and keys simultaneously The following display will appear Test All Select Test Next Previous ErrorLog The upper line displays the test choice while the lower line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the message line Asterisks appear around the test name to indicate ...

Page 230: ...If the cable fails the test the message Patient module cable test failed appears The patient module test does not test the patient electrodes or leadwires Test the patient electrodes and leadwires by recording an ECG from a patient or ECG simulator as described later in this section The test patterns displayed on the patient module consist of in this order n all white cells n checkerboard cells H ...

Page 231: ...nversion resolution by a factor of approximately 4 1 This provides better signal resolution and reduces system noise You can use SAECG mode with all four limbwires RA LA RL LL attached However you will get better results if you attach only RA and RL and insert shorting plugs in LA and LL This is because the common mode rejection performance is enhanced if the LL and LA inputs have shorting plugs i...

Page 232: ...TA OPTO BUFFERS ISOLATORS L FEQCLK L bl I P M CLOCK cl q i_ 3 I ADDRESS rlSTART BUTTON POWER SUPPLIES I LCD DISPLAY QRFEDATA RFEQDATA FEOCLK VFE ANALOG GROUND s OPTIONAL SEE TEXT Figure B 4 SAECG Patient Module Block Diagram B 14 M1754A Signal Averaged ECG SAECG System ...

Page 233: ...SAECG The noise stops decreasing during averaging A lead might be off Check the leads and continue or restart the SAECG test The application does not average to the preset level of noise The ECG signal is too noisy Table B 4 Patient Module and Patient Data Cable symptom Noisy lead X Cause Poor electrode contact X or X X or X leadwire defective Noisy lead Y Poor electrode contact Y or Y Y or Yt lea...

Page 234: ...IEC M1700 69512 M1700A Patient data cable 2 5 M M1719A Patient data cable 9 0 M M1720A Label for SAECG patient M 1700 84589 module AHA M1700A Label for SAECG patient M1700 84590 module IEC M1700A Module end label M1700 84521 Software set SAECG version M1754 17700 A O1 OO M1754A B 16 M1754A Signal Averaged ECG SAECG System ...

Page 235: ...Hayes Modem for standard ECG transmissions Typical fax machines send ECGs by optically scanning a paper copy of the ECG This often produces low quality faxes not always adequate for making diagnoses In contrast the M175GA transmits the electronic ECG directly from the XLi without scanning a paper copy This produces faxes of exceptional quality The M175GA fax option can be used by service personnel...

Page 236: ...ifferent requirements Only ECGs may be faxed SAECGs and VCGs may not be faxed Parameter Connection Baud Rate Phone Dial Type Pause Length Destination Print grid on report Choice FAX Programmable Modem 2400 Type phone number 36 characters max Tone Pulse 2 4 6 8 10 sets Type name 22 characters maximum Yes No A OS XX only C 2 M1756A Direct Digital ECG Fax ...

Page 237: ...p Query Exit 3 Press Selected The message Reading the disk appears followed by this display 123456 02 13 92 12 09 4lPM Select Transmit Next Previous More 4 Press Next or Previous until the patient ID number you want appears then press Select Note I u If you know the patient ID number of the ECG you want to transmit you can select the ECG as follows w Press More then Find Type the ID number and pre...

Page 238: ...teps as above but press Transmit NewGroup instead of Transmit Selected Manual allows you to transmit to a site that has not been configured Note I b See the Page Writer XLi User s Reference Guide for more information about transmitting ECGs Receiving ECGs The cardiograph can receive ECGs from a fax machine whenever r it is turned on configured for fax modem usage and idle If the cardiograph is tur...

Page 239: ...quickly press and release the FJ and Jkeys simultaneously The following display will appear Test All Select Test Next The upper line displays the test choice while the lower line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the message line Asterisks appear around the test name to indicate its se...

Page 240: ... fax modem Note I Yi The fax modem may have a 9 V battery installed If a battery is not installed the cardiograph should be connected to AC voltage to test the fax modem If the fax modem passes the test the message Modemfirmware checksum xxx appears If the modem fails the test the message Modemtest failed appears on the keyboard display Note I w If the M1700A is not equipped with a modem selecting...

Page 241: ...er cable Fax modem battery bad Replace battery Defective fax modem Replace fax modem Defective CPU assembly Replace CPU assembly Unable to transmit or receive Phone cable unplugged or defective Plug in phone cable if defective Modem passes Extended replace Self test Configuration changed without Cycle power on cardiograph cycling power Defective fax modem Replace fax modem Defective CPU assembly R...

Page 242: ...odem 0370 3219 Fax modem Netherlands M 1756 89504 Fax modem United Kingdom M1756 89505 Fax modem United States Canada M1756 89501 Fax modem Germany M 1756 89507 Fax modem Australia M1756 89508 Fax modem bracket M1756 07300 Standard fax modem cable M1756 61600 C 8 M1756A Direct Digital ECG Fax ...

Page 243: ...e C l Cabling for FAX Modem Transmission Only Table C 3 Fax Modem Cable Parts List Ref Description Part No No 1 FAX Modem Cable M1756 61600 2 Phone Line Cable See table 8 11 M1756A Direct Digital ECG Fax C 9 ...

Page 244: ...m and Quick Connect Cable Parts List I I Ref Description No I Part No I I1 1FAX Quick Connect Cable 1M1756 61601 I 2 Phone Line Cable See table 8 11 3 Quick Connect Cable Ml70641636 The M1706 61636 cable functions as a direct connect cable when separated from h 11756 61601 C 10 M1756A Direct Digital ECG Fax ...

Page 245: ...de the X Y and Z leads If the X Y Z leads were connected when the ECG was acquired and one of the VCG report formats was configured a one page VCG report will be printed immediately after the ECG report any time an ECG is printed on the cardiograph One of the following Auto ECG report formats must be selected in order to record a VCG w 3x4 lR configured with an X Y or Z rhythm strip n 3x4 3R confi...

Page 246: ...nd V6 C6 chest lead wires with Frank lead wires C and A 3 Turn on the cardiograph The following tables describe how to set up the patient module for the lead set you are using Table D l AHA Lead Set and Patient Module Configurations Lead I E c A h I II Lead Color Code Label Color Orange Red Orsnge Yellow Orange Green Orange Brown Orange Black Orange Violet Red Yellow Blue Violet Black Violet Table...

Page 247: ...ng display appears Auto 3x4 Report Format 01 26 92 01 23PM VCG Configuration To configure the PageWriter XLi cardiograph for VCG recording A OS XX Software Only perform the following steps 1 Press Menu twice until the following display appears Transmit Store Config CheckDisk Files 2 Press Config The slain configuration menu will appear Global Configuration ID Transmit Files Exit 3 Press Global for...

Page 248: ...ph for VCG recording and have Frank leads attached to the patient in order to record a VCG Recording a VCG To record a VCG perform the following steps 1 Press Istopl 2 To select Auto report press Report until Auto appears above Report 3 Press Format to select the 12 lead Auto ECG report format Select one of the two rhythm formats 3 x 4 1R or 3 x 4 3R 4 Press Leads to select which leads are recorde...

Page 249: ...s Print Both the Auto ECG report and the VCG report will be printed Preventing the VCG To prevent the one page VCG report from printing when the patient Report from Printing is connected to Frank leads select a report format that is not one of the following formats 3 x 4 lR X 3 x 4 lR Y 3 x 4 1R 2 3 x 4 3R XYZ Vectorcardiography M1790A D 5 ...

Page 250: ...The VCG Report Figure D l The VCG Report D 6 Vectorcardiography M1790A ...

Page 251: ...ormats Sagittal Projection Angular Scale Right sagittal Left sagittal 0 to 360 0 to 360 Right sagittal 180 to 180 Left sagit tal 180 to 180 Format conforms to the recommendations of the AHA The horizontal plane is always viewed from the head rather than the foot and the frontal plane is viewed from the chest and not the back But the sagittal plane is not standardized and can be viewed from either ...

Page 252: ...Figure D 3 VCGS Left Sagittal O to 360 Figure D 4 VCG3 Right Sagittal 180 to 180 D 8 Vectorcardiography M1790A ...

Page 253: ...Figure D 5 VCG4 Left Sagittal 180 to 180 Vectorcardiography M1790A D 9 ...

Page 254: ...leshooting This chapter contains information about troubleshooting the VCG _ recording Table D 5 Troubleshooting Symptom Cause What to do Extra lead labels VXl VX2 VX3 Research leads instead of Frank In global configuration under VX4 appear in the cardiograph s leads are configured Special applications change the display answer to the Research leads question to No to enable Frank leads Turn the ca...

Page 255: ...4 3R format with X Y and Z leads as rhythm strips VCG report format not selected to In global configuration change the enable VCG printing answer to the VCG question to one of the four possible VCG report formats VCGl VCG2 VCG3 or VCG4 No VCG report is printed from the A VCG format was not selected to In global configuration change the stored VCG file enable VCG printing answer to the VCG question...

Page 256: ...ble D 6 VCG Parts List Description Part No Software set VCG version A O1 OO M1790A M1790 17700 Leadwire set Peds Frank includes 2 Frank leads labels M1717B Shorting plug 1M 1700 47602 D 12 Vectorcardiography M1790A ...

Page 257: ...2 switch 2 2 accessories cardiograph 1 10 11 AC indicator 2 13 3 3 5 20 7 4 AC on detector circuit 5 20 ACONLED signal 5 20 A 2 ACON signal 5 20 address bus 5 8 ADS signal A 8 ABA leads D 2 3 3 alternate main menu 3 10 analog to digital converter 5 1 5 6 B 13 angular scale D 7 Applications display B 3 arrow keys 3 3 AutoCopy parameter 2 25 AutoDial configuration 2 30 site selection 2 30 Auto repor...

Page 258: ... 18 battery connector 5 18 battery level indicator 2 13 3 3 5 20 7 4 battery sensor 5 18 battery switch circuit 5 20 battery to AC switchover circuit 5 20 baud rate 2 7 baud rate selection receive 2 30 transmit 2 28 block diagram CPU assembly 5 9 digital signal processor 5 15 disk drive 5 15 I O control 5 13 patient module 5 7 power supply 5 17 preview display 5 24 preview display power supply 5 2...

Page 259: ...diograph specifications 1 8 cart 1 3 description 1 3 parts list 8 20 8 22 changing the date setting 2 16 the line fuses 2 10 the line voltage setting 2 8 the time setting 2 16 CHARGEROFF signal 5 20 CheckDisk 3 12 Choose site C 3 choosing a report format 3 4 language 2 13 the line frequency 2 13 circuit descriptions 5 4 27 cleaning 4 10 13 cardiograph 4 10 electrodes 4 13 keyboard 4 10 leadwires 4...

Page 260: ...cables 2 3 connecting the patient module data cable 2 7 B 2 Connection None 2 6 contrast knob keyboard display 3 3 patient module display 3 3 preview screen 3 3 5 27 controls keyboard display contrast knob 3 3 patient module display contrast knob 3 3 preview screen brightness knob 3 3 preview screen contrast knob 3 3 remote start button 3 3 controls front panel 3 2 5 22 3 3 country options 1 9 CPU...

Page 261: ...configuring pulse 2 28 tone 2 28 digital signal processor 5 1 5 14 block diagram 5 15 Direct Connection 2 6 DIRECTION signal A 10 disabling VCG reports D 4 disassembling the preview screen assembly 7 13 7 15 disassembly tools required 7 2 disk reformatting 3 12 storage space available 3 12 DISKCHANGE signal A 10 disk drive 5 15 block diagram 5 15 problems 6 16 removing 7 31 removing and replacing ...

Page 262: ...rmation 2 26 institution name 2 20 location code 2 26 user labels 2 26 ECG report format Auto 3 4 Manual 3 4 ECGs receiving C 3 transmitting C 3 ECG simulation recording 4 8 ECG simulator 4 8 6 1 testing with 4 8 pcZLsize 3 3 electrodes cleaning 4 13 EMITTER signal A 4 Enter key a 3 3 error codes 6 3 error log 4 14 clearing 6 2 codes 6 3 interpreting 4 7 printing 4 7 sample printout 6 2 using 6 2 ...

Page 263: ... 2 B 11 C 5 using for troubleshooting 6 4 F fax modem test C 6 Fax modem 2 4 Fax modem cable 2 2 2 4 Fax Programmable Modem C 2 FGA 5 12 5 22 baud rate generation 5 12 data bus arbitration 5 12 enable and select generation 5 12 keyboard interface 5 12 patient module interface 5 12 system clock generation 5 12 3 3 C 3 flow chart CPU initialization 5 3 format ECG report Auto 3 4 Manual 3 4 formats D...

Page 264: ...l A 8 IBIT2 signal A 8 3 3 IEC leads D 2 INDEX signal A 10 indicator lights AC 2 13 3 3 5 20 7 4 battery level 2 13 3 3 5 20 7 4 low battery 2 13 3 3 5 18 initialization flow chart 5 3 inspection visual 4 1 installation 2 1 16 installing software 2 13 2 14 the battery 2 11 the cardiograph 2 1 the modem 2 2 the printer drive gears 7 11 INT7 signal A 8 interpretation parameters 2 24 INTR signal A 8 ...

Page 265: ...DATA signal A 2 LCDE signal A 2 LCDON signal 5 26 A 8 LCDRS signal A 2 A 8 LCDRW signal A 2 A 8 LD0 LD3 signal A 11 LD0 LD3 signals A 12 LD signal 5 26 lead status patient module 5 6 B 13 leadwires cleaning 4 13 line frequency parameter 2 24 line fuse changing 2 10 location 2 10 rating requirements 2 10 line module 2 8 opening 2 9 line voltage checking the setting 2 8 loading printer paper 2 14 lo...

Page 266: ...tion 2 17 Configuration file jobs 2 31 Configure Site 2 28 Configure transmit 2 28 Extended Self test 4 2 B 11 C 5 main 2 16 3 4 Transmit 3 11 CMenu 3 3 3 10 microprocessor 5 8 MIOn signal A 8 modem connection parameter 2 28 installing on cart 2 2 problems 6 20 test 4 6 C 6 More C 3 motor driver circuit 5 22 MOTOR ON signal A 10 multiplexors 5 1 N nADS signal A 9 nBHE signal A 9 nBLE signal A 9 nC...

Page 267: ...ensor cleaning 4 11 paper transport 5 22 parameters AutoCopy 2 25 battery timeout 2 26 custom lead groups 2 25 global 2 20 2 22 2 23 interpretation 2 24 line frequency 2 24 password 2 26 parameter selection display 2 19 parts list 8 1 23 cart 8 20 8 22 data communications package 8 23 main assembly 8 5 8 9 patient module 8 3 preview display 8 18 printer 8 15 parts ordering information 8 1 password...

Page 268: ...on 4 8 4 15 Extended Self test 4 2 4 14 B 11 C 5 visual inspection 4 1 4 14 phone line connector 2 4 phone number entering 2 28 POWERGND A 11 power off sequence 5 2 5 10 power on problems 6 7 power on application selecting 2 24 power on sequence 5 2 5 10 power supply 5 16 21 5 backup supply 5 21 5 overvoltage undervoltage circuit 5 19 5 to backup switchover circuit 5 21 5 volt regulator 5 19 AC on...

Page 269: ...ing 5 27 removing 7 12 7 15 replacing 7 17 Previous C 3 printer 5 22 23 analog to digital converter 5 23 block diagram 5 23 control circuit 5 22 loading paper 2 14 look up table 5 22 motor driver 5 22 motor speed 5 22 paper speed 4 8 paper transport 5 22 parts list 8 15 problems 6 14 RAM 5 22 removing the drive assembly 7 7 7 9 replacing the drive assembly 7 11 printer cable 2 4 printer door remov...

Page 270: ...alling the top cover assembly 7 20 remote start button 0 3 3 5 6 removing the battery 7 2 the CPU assembly 7 29 the disk drive 7 31 the keyboard 7 5 the preview logic board 7 25 7 27 the preview screen assembly 7 12 7 15 the printer door 7 7 7 9 7 20 7 21 the printer drive assembly 7 7 7 9 the printhead 7 20 7 21 the printhead cover 7 9 the user interface assembly 7 5 removing the preview logic bo...

Page 271: ... A 12 Select C 3 selecting configuration parameters 2 19 serial communications circuit block diagram 5 14 setting the date 2 16 the line voltage 2 8 the printhead resistance code 7 23 the time 2 16 setting up the patient module D 2 SHUTOFF signal 5 19 SIDE1SEL signal A 10 signal names 5READY 5 19 5 26 ACON 5 20 ACONLED 5 20 A 2 CHARGEROFF 5 20 FP 5 26 KBD RESET A 2 KRX A 2 KTX A 2 LCDDATA A 2 LCDE...

Page 272: ...V2SEL A 10 DRV3SEL A 10 EMITTER A 4 FP A 11 A 12 HLDA A 8 HOLD A 8 IBITO A 8 IBIT2 A 8 INDEX A 10 INT7 A 8 INTR A 8 LCDON A 8 LCDRS A 8 LCDRW A 8 LD0 LD3 A 11 A 12 LP A 11 A 12 MIOn A 8 MOTOR ON A 10 nADS A 9 nBHE A 9 nBLE A 9 nCTS A 7 nDTR A 7 nLATCH A 3 nLOCK A 9 NOBATT A 5 nPSTB A 3 nPVENd A 9 nRD A 9 nRDY A 9 nWAIT A 9 nWEH A 9 nWEL A 9 OBIT1 A 9 P1 P4 A 4 PCLK A 9 PDOUT A 3 PRCLK A 3 Index 16...

Page 273: ...30 transmit 2 28 site number 2 6 softkeys 3 3 All 3 11 AM PM 2 16 AutoDial 2 28 2 30 CheckDisk 3 10 Choose 2 19 Clear 2 16 Config 2 17 3 10 Enter 2 16 2 19 ErrorLog 4 2 B 11 C 5 Exit 2 16 2 18 2 19 2 28 2 31 3 10 3 11 Files 2 18 3 10 Format 3 4 Global 2 18 2 20 3 10 ID 2 18 2 27 3 10 Leads 2 19 3 4 NewGroup 3 11 Next 4 2 B 11 C 5 Pause 2 29 Previous 2 19 4 2 B 11 C 5 Print 2 18 2 31 3 10 Query 3 1...

Page 274: ...A 10 Istoe 3 3 C 4 storing configuration 2 31 disk label 2 31 storing the software 2 31 subassemblies removable 7 1 substitute options 1 10 1 13 supplies accessories options 1 10 SWITCON signal 5 20 SYSRDY signal 5 19 system block diagram 5 5 system expansion connector 5 15 system I O 5 12 system memory 5 10 block diagram 5 11 DRAM array 5 10 power supply support 5 10 RAM refresh 5 10 real time co...

Page 275: ...19 reinstallation 7 20 removing 7 18 7 20 transmit problems G 20 Transmit 2 6 C 3 transmit configuration 2 28 transmit configuring baud rate 2 28 connection 2 28 dial type 2 28 pause length 2 28 phone number 2 28 Transmit menu display 3 11 transmit site 2 28 phone number 2 28 transmitting ECGs C 4 via fax C 3 Transmitting 1 of 1 ECG s C 3 transmitting ECGs C 3 Transmitting C 3 TRK00 signal A 10 tr...

Page 276: ... 10 VBACK 5 21 6 22 VBACK7 A 9 VBAT 5 18 5 20 6 22 VBAT A 5 VBATMEAS signal 5 20 VBAT A 5 VCC 5 26 VCCFILT A 12 VCFL 5 27 VCFL1 2 A 12 VCFLRET A 12 VCG printing D 4 report formats D 7 VCG D 11 VCG1 D 7 VCG2 D 7 VCC3 D 7 D 8 VCG4 D 7 D 8 VCG recording configuration D 3 VCG report D 6 disabling D 4 preventing from printing D 5 VFE 5 21 6 23 A 6 VFE regulator 5 21 VIN 5 16 5 20 5 26 G 22 A 9 A 11 vis...

Page 277: ...FILT A 12 VCFL 5 26 VCFL1 2 A 12 VCFLRET A 12 VFE 5 21 6 23 A 6 VIN 5 16 5 19 5 20 5 26 6 22 A 9 A 11 VLCD 5 26 A 2 A 12 VMAIN 5 16 VPRINT 5 20 6 23 A 4 A 5 VREF25 5 20 VTHERM A 3 voltage test locations 6 23 VPRINT 6 23 A 4 A 5 VREF2 signal 5 21 VTHERM A 3 VX1 VX2 VX3 VX4 D 10 W watchdog timer 5 2 5 10 WRITEDATA signal A 10 WRITEGATE signal A 10 WRITEPROTECT signal A 11 WRn signal A 9 Index 21 ...

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