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Construction Drawings

AT-10 plus

Service Handbook

Circuit and functional illustrations

10.2

rt.

-n

o.:

2.5

4004

3 Re

: a

10.2 Circuit and functional illustrations

The circuit diagrams are confidential. Therefore only the high level drawings are
provided here.

10.2.1

Connection block diagram

MAINS INPUT

POTENTIAL-
AUSGLEICH

MK22-1

MAINBOARD

INT.BATT.

VGA

NIBP

SpO2

SPIRO

ERGO

RESIST

USB B

Ext. NIBP

Modem

USB A

SDCARD

TRADMILL

LAN

DC OUT

. E

PMD

TPH-MOTOR

PD-MOTOR

TPH

LCD

LCD SIGNAL

LCD BACKLIGHT

MK22-2

EKG-INTERFACE

PAT

TP 4, 5, 6

P10

P23

P27

P18

P21 / P22

P40

P13

P11A

P26

P28

P29

P14 / P24

P15 / P25

P17

P23

P12

21.6V DC

P2 BDM

KEYBOARD

Backlight

DC IN

P19

2 x 200mAT (230VAC / 50HZ)

P11

MK17-5

Printer Interface

MK17-4

MK22-7

Kommunikationsmudul

P1 Test

MK22-8

MK22-9

RS-232

MDR-14

RS-232

(SP10plus)

2 x 315mAT (115VAC / 60HZ)

P36 BDM

P10

P30

P31

P32

P33

P34

P35

Summary of Contents for AT-10 plus

Page 1: ...AT 10 plus Service Handbook Art no 2 540043 Rev a 2 540043 12 Channel ECG Device ...

Page 2: ...ation The SCHILLER sales and service centre network is world wide For the address of your local distributor contact your nearest SCHILLER subsidiary In case of dif ficulty a complete list of all distributors and subsidiaries is provided on our internet site http www schiller ch Sales information can also be obtained from sales schiller ch Article no 2 540043 Rev a Issue date 10 03 05 ...

Page 3: ...2 LCD screen 12 2 2 1 Keypad 13 2 3 External connections 15 2 3 1 Back Panel 15 2 3 2 Side panel 16 3 Operation Overview 17 3 1 Start up and initial preparation 17 3 1 1 Location 17 3 1 2 Connection of external cable assemblies and ancillary equipment 17 3 1 3 Potential equalisation 17 3 1 4 Switching on and off 18 3 1 5 Power supply and battery operation 18 3 1 6 Isolating the mains supply 18 3 1...

Page 4: ... 7 Printer checks 36 5 3 8 ECG amplifier and patient cable test 37 5 3 9 External printer test 37 5 3 10 Communication RS 232 test 37 5 3 11 ECG printout reference 38 5 3 12 Language date and time 40 5 3 13 External monitor 40 5 4 Safety tests 41 5 4 1 Maximum values safety test 41 6 Replacing Major Components 42 6 1 Safety notes 42 6 2 Replacing the battery 42 6 2 1 Maintenance interval for the b...

Page 5: ... and functional illustrations 66 10 2 1 Connection block diagram 66 10 2 2 Microprocessor main board functional block diagram 67 10 2 3 Communication module functional block diagram 68 10 2 4 ECG amplifier functional block diagram 69 10 2 5 Main microprocessor board component layout 70 10 2 6 ECG board component layout 71 10 2 7 Communication module component layout 72 11 Special Test Equipment 73...

Page 6: ...Page 6 Art no 2 540043 Rev a AT 10 plus ...

Page 7: ...ce used for the recording analysis and evaluation of ECG Recordings Recordings made with the AT 10 plus can be used as a diagnostic aid for heart function and heart conditions The AT 10 plus is designed for indoor use and can be used for all patients of both sexes all races and all ages V Only operate the device in accordance with the specified technical data V Do not use or repair this unit in ar...

Page 8: ...maged or suspected of being damaged Damaged cable connections and connectors must be replaced immediately The electrical safety devices such as fuses must not be altered Ruptured fuses must only be replaced with the same type and rating as the orig inal V Use only accessories and other parts recommended or supplied by SCHILLER AG Use of other than recommended or supplied parts may result in injury...

Page 9: ...ngerous situation which could lead to heavy bodily injury or to death For a possibly dangerous situation which could lead to personal injury This symbol is also used to indicate possible damage to property For general safety notes as listed in this chapter Used for electrical dangers warnings and other notes in regarding operation with electricity Note For possibly dangerous situations which could...

Page 10: ...ufacturer can only be held responsible for the safety reliability and performance of the apparatus if assembly operations extensions readjustments modifications or repairs are car ried out by persons authorized by him and the SCHILLER AT 10 plus and approved attached equipment is used in accord ance with the manufacturers instructions Potential equalization CF symbol This unit is classified safe f...

Page 11: ...nd trends EXEC Extended Memory planned option Full disclosure of all 12 leads planned option Spirometry planned option Pacemaker measurement planned option Heart rate variability planned option Late potential analysis planned option 2 1 3 Connectors VGA interface for the connection of an external monitor DC input connector for on screen presentation or printout of external signals DC Output connec...

Page 12: ...ld this area displays technical and system error messages 5 Current mode of operation resting stress spiro 6 Electrode lead status when an electrode indication flashes an audible indica tion is also given it indicates that the electrode resistance is too high 7 Current power source mains or battery see page 18 8 Selected baseline frequency 0 05 0 15 0 30 or 0 60 Hz see page 51 9 Myogram filter cut...

Page 13: ...and lead group during manu al printing Key 2 and 3 changes to next previous lead group Key 4 to 7 printout speed Keys 8 to printout Amplitude sensitivity 2 Resting and Stress ECG Function Keys ECG Keys ECG key select ECG menu settings Monitor Lead key display next lead group Monitor Channel key change the number of leads displayed Monitor mm s key toggle display speed Monitor mmV key toggle displa...

Page 14: ...iates transmission over the defined interface of the current recording the location where the recording is sent is defined in memory set tings Get Data key initiates data reception from another location the location from where the data is received is defined in the memory settings 4 Patient Data key Input of patient data 5 Direct function keys including Print Screen key print the displayed screen ...

Page 15: ...tem settings see page 57 6 RJ 45 Ethernet LAN connector Local Area Network 7 USB connector for an external printer 8 RS 232 for an external BP unit 9 SD card slot for removable data storage 64MB 10 USB connector 11 RJ 11 telephone connector with optional internal modem V All externally connected hardware must be approved by SCHILLER Connection of any hardware not approved by SCHILLER is at the own...

Page 16: ...r pulmonary function testing 3 DC input DCIN 1 0 5 V cm 4 DC output DCOUT 0 5 V cm 5 ERGO connector for connection of analogue ergometers 1 2 3 5 4 The patient cable and connector is CF rated that is fully floating and isolated defibrillation protected suitable for intra cardiac application The unit is only CF rated and defibrillation protected if used with the original SCHILER patient cable ...

Page 17: ...cillary and optional equipment see page 15 These may include the following Ergometer analogue or digital for exercise testing Blood pressure unit Spiro sensor for spirometry External monitor Network cable External printer 3 1 3 Potential equalisation The potential equalisation stud at the rear of the unit is used to equalise the ground potential of the AT 10 plus to that of all mains powered equip...

Page 18: ...symbol replaces the mains symbol and indicates the battery status When the battery is full the symbol is solid The battery is charged when the unit is connected to the mains supply The unit can remain connected to the mains supply without damage to either the battery or the unit 3 1 6 Isolating the mains supply To isolate the power supply remove the mains plug from the wall socket 3 1 7 System and...

Page 19: ...ws 1 Press the left right keys to select highlight the tab on the top of the screen 2 Use the up down keys to select the field icon the entry field appears blue as shown in the example below for signals 3 Press Confirm to select 4 Use up down keys to toggle through the options available 5 Press Confirm to set When all entries are made press the Esc key to exit and register the entered data sequent...

Page 20: ... will depend on where the electrodes are connected The voltage readings that can be expected are as follows With patient connected 100mV Good connection low resistance An offset of up to 300mV will give an acceptable recording With patient simulator connected 20 mV This will depend on the patient simulator used and must be taken as a flexible measurement With all electrodes shorted together 20 mV ...

Page 21: ... screen click the Save as Default icon to ensure that the option is saved see page 31 5 Switch the unit off and on again The defined setting is displayed ECG NIBP Spiro HW Config I O ports Service Character Colour Test Battery Software ECG NIBP Spiro HW Config I O ports Service Character Colour Test Battery Software Display rotation 0o Save it and power off to get effect ECG NIBP Spiro HW Config I...

Page 22: ...3 RX shorted together in the port to be tested 2 The red square 1 changes to green to indicate that the port is functioning RS 232 test TM Ergo Spiro SpO2 NIPB SCM Ergo test out in DC OUT 1 3 DCIN 1 DC OUT 2 4 DCIN 2 QRS OUT 0 RPMIN LOADOUT 0 LOADIN TMUP FUSSIN TMDOWN 3 FUSSIN ECG NIBP Spiro HW Config I O ports Service Character Colour Test Battery Software 1 2 The testing of the ports requires th...

Page 23: ...t counts up the red squares 2 change to green to indicate that the port is functioning Checking the ERGO Port 1 Plug the test plug and switch assembly in the ERGO port on the side panel 2 With the switch in the TMUP position the TMUP red square changes to green to indicate that the port is functioning 3 With the switch in the TMDOWN position the TMDOWN red square changes to green 4 6 Character Sel...

Page 24: ...en click the Save as Default icon see page 31 5 Switch the unit off and on again The defined setting is displayed 4 8 Test In this screen some test and check functions can be performed as follows Battery capacity test Print quality and print alignment check Palette Cyan ECG NIBP Spiro HW Config I O ports Service Character Colour Test Battery Software The ECG display can also be inverted This is ca...

Page 25: ...k the print quality proceed as follows 1 Enter the test screen 2 Press the Man Start key 3 A continuous test print will be given 4 Use the Lead selection keys 2 and 3 to toggle though the four test patterns The five print patterns are shown on the next page 5 Stop the printout by pressing the Stop key 6 Check the printout for fading alignment faulty pixels blackness for regularity and good readabi...

Page 26: ...een 4 8 Test AT 10 plus Page 26 Art no 2 540043 Rev a 4 8 3 Print quality and printer alignment check patterns Print Test Pattern 1 Print Test Pattern 2 Print Test Pattern 3 Print Test Pattern 4 Print Test Pattern 5 ...

Page 27: ...ter to max 16000 showing battery leakage rate when the unit is not switched on and not connected to the mains Saved Energy The three counters registers above have a maximum count of 16000 When any counter reaches 16000 all the hardware counters are reset The saved energy count here is an accumulative figure of the three counts above when reset i e Charge count Discharge count Self dis Count NiMh f...

Page 28: ...ed in the unit Mains Bat Power supply source 4 9 1 Calibrating the battery The procedure is as follows 1 Switch the unit on with the mains removed and wait until the battery is empty and unit switches off 2 Reconnect the mains supply and enter the service screen battery 3 Start Stop icon 1 will say Cal Off 4 Click the icon and the Cal On is displayed 5 Switch the unit off and leave for 8 hours 6 S...

Page 29: ...btained from SCHILLER 3 Press the Enter key and the program option is installed 4 To ensure that the option is saved press the menu key and enter the Software screen to save see page 31 ECG NIBP Spiro HW Config I O ports AT 10 plus V 1 04 Ctms RI5 73 S N 173 000057 11 01 2005 Copyright c 2004 by SCHILLER AG Switzerland Service Character Colour Test Battery Software Program Upgrade Program Update 1...

Page 30: ... 232 cable assembly between the PC and the RS 232 on the side of the AT 10 plus 3 In the service screen click the Program Update icon to enter receive mode 4 Start the AT10 plus SWUP program from the computer Start menu 5 Click the config icon 1 6 Define pc settings Select the pc com port 2 to which the pc cable is connected Select baudrate auto 7 Click the update AT 10plus icon 3 8 The bargraph s...

Page 31: ...essed and software screen must be entered 1 and the save as default icon 2 pressed before the unit is switched off To set the default to the factory setting click the Factory Default icon 3 AT 10 plus V 1 04 Ctms RI5 73 S N 173 000057 11 01 2005 Copyright c 2004 by SCHILLER AG Switzerland Save as Default Restore Default Factory Default Send Default Receive Default 2 1 RS 232 Network Modem Peripher...

Page 32: ...the printout for faulty pixels The ECG data remains in the temporary unit memory until it is overwritten by another recording or the unit is switched off The interpretation statements can be edited and further printouts obtained in different formats all the time the ECG is stored To obtain a second copy in format 1 press the Copy 1 key To obtain a copy in format 2 press the Copy 2 key The device m...

Page 33: ... to start a continuous printout Check the printout changes when the following keys are pressed Lead Group Sensitivity Amplitude Speed 9 To stop the printout press the Stop key If any function is suspected of malfunction calibration is not correct or the printout is not correct for any reason etc the full functional check must be carried out see fol lowing ...

Page 34: ...uld hamper the safety of the device 12 monthly Check the following Mechanical condition of the device as detailed above Voltage selector is set correctly Correct fuse rating according table see page 43 The following safety labels are on the device and are readable Back Panel type designation and fuse rating label Side Panel patient connector CF label and attention symbol Required equipment Safety ...

Page 35: ...owing items Check the keyboard for mechanical damage and excessive wear If any can be seen the keyboard must be replaced Check all function keys for their proper operation An acoustic confirmation ap pears whenever a function key is pressed Test the alphabetical keyboard as follows With a C device interpretation press the ECG key and select the Interpretation icon Enter the edit screen to test all...

Page 36: ...art key 4 Select printing speed 10 12 5 25 and 50 mm s print one page in turn at each speed 5 Stop the printout and check calibration waveform on the paper grid A ruler can be used or the paper grid scale can be used to do this On the 10 mm s printout the distance between two peaks must be 10 mm 0 5 mm On the 25 mm s printout the distance between two peaks must be 25 mm 0 5 mm example shown On the...

Page 37: ...eck the following all leads stops blinking the mV reading for all leads is 15 15 mV 5 3 9 External printer test Only with the Comms Module At the time of print this was not available 5 3 10 Communication RS 232 test Only with the Comms Module At the time of print this was not available Lead Test mV RA 5 LA 5 C1 5 C2 5 C3 5 C4 5 C5 5 C6 5 C7 497 C8 495 C9 498 C10 498 LOFF 0F00 ECG NIBP Spiro HW I O...

Page 38: ...iven on the following page Note that the printout is representative of the waveform shape only and is not accurately scaled Reference Table Required Equipment Calibrated test ECG Patient Simulator e g Müller Sebastiani MS410 ECG Sim ulator If the printout waveform shape does not match the template check the auto mode set tings see page 51 Curve Measurement Value Tolerance Minimum Maximum Interval ...

Page 39: ...Page 39 Functional Checks 5 AT 10 plus Service Handbook Functional checks and tests 5 3 Art no 2 540043 Rev a Reference Printout ...

Page 40: ...leave 5 3 13 External monitor 1 Connect an external VGA monitor to the external monitor connector on the back panel 2 Press the Menu key 3 Select the Config tab 4 Set the External Display to Yes and press the confirm key 5 Press the Escape key to set and leave 6 Check that the external monitor displays the same data as the LCD display RS 232 Network Modem Peripherals Identification Macro System Co...

Page 41: ...r have them printed by the tester Always include one copy of the results with the repair report The original remains with the device and is given to the customer for his files 5 4 1 Maximum values safety test Ground Resistance 0 2Ω Bender Safety Tester recommended HA2000D High voltage measuring unit recommended Voltage Type BF Type CF normal condition first error normal condition first error Earth...

Page 42: ...r V Follow the procedures for the prevention of accidents and environmental protection according your national guidelines Observe precautions for handling electrostatic sensitive devices when opening the device The battery is maintenance free during its normal life The battery should remain charged during storage If the storage period exceeds three months recharge the battery Replace the battery a...

Page 43: ... a screwdriver and remove it 3 Remove the grey inset turn it by 180 and re insert it 4 Check the voltage indication in the window 5 Replace both fuses with the new value as defined in the table above 6 Re insert the fuse assembly V Danger of explosion Battery may not be burned or disposed of domestic refuse V Danger of acid burns Do not open the battery The battery is to be disposed of in municipa...

Page 44: ...MOS components observe antistatic precautions When carrying out any maintenance procedures always place the unit on an earthed antistatic mat Personnel must be earthed when handling any boards or components Always use an antistatic bag when transporting boards or components The unit is susceptible to abrasion damage To prevent scratching always place the unit on a soft non abrasive cloth when carr...

Page 45: ...to gain access to the interconnecting cables Disconnect the cable assembly between the main board and the printer two cable assemblies and the power cable between the main board and the battery 5 Gently lift the Top Assembly away from the Base Assembly and place on a soft cloth Thermal Printer ECG Board MK 22 2 Communications Module Main Board MK 22 1 ...

Page 46: ...esults The following points apply to both storage and when archiving the results 1 Before use keep the paper in its original cardboard cover Do not remove the cardboard cover until the paper is to be used 2 Store in a cool dark and dry area 3 Do not store near chemicals e g sterilisation liquids 4 In particular do not store in a plastic cover 5 Certain glues can react with the paper do not attach ...

Page 47: ...case 6 4 Art no 2 540043 Rev a 6 4 3 Communication module 1 The complete electronic assembly must be removed to remove the communica tion module 2 Remove the recessed screws securing the assembly to the casing 3 Gently lift the assembly away from the casing and remove connectors ...

Page 48: ...6 Replacing Major Components 6 4 Opening the case AT 10 plus Page 48 Art no 2 540043 Rev a 4 Remove the two connector screws 5 Remove the board ...

Page 49: ...t crushed or lying on or close to a sharp object e g protective shields If cables are positioned by a sharp object it is important that they are protected by a special shield Isolation foils and shields are inserted and correctly positioned Check that no loose parts are inside the device by tipping the device or turning it upside down 6 5 2 Functional Test If the device has been opened the device ...

Page 50: ... the cable from the middle with a chemical disinfectant containing ethanol 70 80 propanl 70 80 aldehydes 2 4 Sterilization if required must only be carried out with gas and not with steam 7 3 Cleaning the thermal print head If the printer is used a lot a residue of ink from the grid on the paper can build up on the print head This can cause the print quality to deteriorate We recommend therefore t...

Page 51: ...Options Description Lead Test Displays the resistance of all leads to ensure good electrode contact and the integrity of the cable see user guide Pacemaker Not available at time of print PM Detection Yes or No When a pacemaker pulse is detected it is indicated by a single vertical line on the trace Note that this line is not representative of either the duration or amplitude of the pulse Measureme...

Page 52: ...fines the rhythm leads used for rhythm recording Format Defines the printout format and by default the speed of the trace Select between 90 sec page printout every 90 seconds 5 min page printout every 5 minutes 10 min page printout every 10 minutes Amplitude Defines the amplitude of the trace Select between Normal Low half amplitude Print current page For Rhythm recording see user guide Print last...

Page 53: ... on the screen and printout Rhythm Lead R2 Select lead for the second rhythm lead on the screen and printout Measurements Select yes or no to print a detailed table of measurement results Markings Select yes or no to print reference markings on the ECG average cycle print A vertical marker shows the beginning and end of P wave and QRS and the end of the T wave Interpretation Select yes or no to pr...

Page 54: ...o print the stored ECG either with or without passing the myogram filter Mains Filter The mains filter is an adaptive digital interference filter designed to suppress ac interference without attenuating or distorting the ECG Set the mains filter in accordance with the frequency of your local mains supply SBS Filter baseline The baseline stabiliser greatly reduces the baseline fluctuations without ...

Page 55: ... not subtracted from the target HR Notes The age is calculated from the patient data When automatic calculation mode is set the heart rate target limit is calcu lated automatically for any new patient for which data has been entered When manual input is set or changed from an automatically calculated val ue the target HR is not automatically recalculated for a new patient Regardless of the setting...

Page 56: ...lead for rhythm recording for rhythm strip when Rhythm R1 selected in Final Report above select either I II III aVR aVL aVF V1 V6 Speed Select Rhythm strip printing speed Set to 6 25 mm s or 12 5 mm s Sensitivity Select Rhythm strip sensitivity amplitude Set to 5 mm mV or 2 5 mm mV QRS Settings ST Amplitude Measurement During the exercise test the ST amplitude is measured continuously The position...

Page 57: ... English French Swedish American Italian Spanish or Portuguese Note that the difference between English and America is that some of the designations used on the display and prinout are different For example American use V1 V6 lead designation and the heart rate is BPM Time Set current time Date Set current date System continued Date Format Set required date format Time Format Set required time for...

Page 58: ...7600 Baud If problems are experienced during transmission reduce the Baud rate Mode Select between Line and Modem Line is for when a PC or other SCHILLER unit is connected directly to the RS 232 interface of the AT 10 plus and Modem is for transmission over the phone network Phone Number If it is necessary to enter a pause in the dialling sequence enter a comma in the number The comma gives a one ...

Page 59: ... the BP in taken by an external BP device and entered during the test or Ergo 900 an external digitally controlled blood pressure unit With this unit BP is taken a defined intervals defined in the protocol The latest BP measurement is displayed on the monitor and all BP measurements are stored with the exercise recording Bicycle Select the type of bicycle connected analogue or digital as follows E...

Page 60: ...nsitivity Recording tracks High resolution thermal printing 8 dots mm amplitude axis 40 dots mm time ax is 25 mm s 0 05 150 Hz IEC AHA Thermo reactive Z fold 14 x 21 cm DIN A4 letter size 5 12 5 25 50 mm s manual print 5 10 20 mm ms manual print 3 to 12 channels positioned optimally on 200 mm automatic baseline adjustment Interfaces RS 232 connector for Treadmill RS 232 connector for Ergometer RS2...

Page 61: ...ultaneously recorded leads Long term rhythm recordings 1 lead 10min 5min or 90sec page Exercise ECG with final report Automatic control of bicycle ergometer and treadmill user programmable Final report showing trend plots of heart rate load and blood pressure physical working capacity PWC 150 PWC 170 PWC max Options C QRS and ST measurements Data record With optional interpretation C program Patie...

Page 62: ... 1 IEC EN 60601 2 25 EMC IEC EN 60601 1 2 Protection class I according to IEC EN 60601 1 with internal power supply Conformity Classification CE IIa according Directive 93 42 EEC Safety class CF according to IEC 601 1 IEC 601 2 25 CSA UL IIb according to MDD 93 42 EEC Protection This device is not designed for outdoor use IP 20 ...

Page 63: ...ded views 10 1 Art no 2 540043 Rev a 10 Construction Drawings 10 1 Exploded views 10 1 1 Base casing Thermal Printer Battery Pack Part No 4 350027 NiMh 4 350035 Li Paper tray DC motor Part No 4 330036 Battery Charge Print MK 22 5 Paper Tray Paper mark detector MK 17 4 ...

Page 64: ...o 2 540043 Rev a 10 1 2 Top and LCD casing Keyboard Foil Part No 4 450331 LCD Part No 4 416126 ECG Print MK 22 2 Shield Part No 4 416118 Main Board MIcroprocessor MK 22 2 DC DC Converter Shield Part No 4 416117 AC DC Converter Shield Part no 4 416115 Communication Module ...

Page 65: ... BATT VGA NIBP SpO2 SPIRO ERGO RESIST USB B Ext NIBP Modem USB A SDCARD TRADMILL LAN DC OUT Anal ERGO QRS PMD TPH MOTOR PD MOTOR TPH LCD LCD SIGNAL LCD BACKLIGHT MK22 2 EKG INTERFACE PAT TP 4 5 6 P10 P23 P9 P27 P5 P3 P18 P21 P22 P40 P13 P11A P7 P26 P28 P29 P14 P24 P15 P25 P17 P6 P23 P12 21 6V DC P2 BDM KEYBOARD Backlight DC IN P19 2 x 200mAT 230VAC 50HZ P11 P11 MK17 5 Printer Interface MK17 4 MK22...

Page 66: ...HDRIVE TPHDRIVE SCH MON TPCLK TPD TPL STRB1 STRB2 TPHT TPHINT TPHINT SCH PDOUT PDOUT PMARK PMD MON MON RES CSMOT D 0 15 PMD STEP DRIVE PMD STEP DRIVE SCH MON EJCT PDIN PDOUT PDOUT PAPERDR PAPERDR SCH KBS 0 5 ON D 0 15 CSKBRD LCDON KEYBOARD KEYBOARD SCH SHARETXD SHARERXD ENTMCOM ENERGOCOM ERGO ERGO SCH ENSPIROCOM SHARERXD CTS SHARETXD RTS DTR MOTOR OP CL MOTOR ON OFF QSMDIN QSM EKGCLK R C SPIRO SPI...

Page 67: ...0 SCMSTAT CSMODBP CS0 CS7 URXRDY UTXRDY COMSEL INTMODEM DETSDCARD SDWRITEPROT INTUSBCY CSUSBCY QSPIDOUT QSPIDIN QSPICLK QSPICS0 WE MODEMBP CLK48 USB_TP USB_TN USB_RP USB_RN USB_SUSP USB_TXEN USB_RXD PROGKEY INTSDCARD SPEN Sheet 1 CPU Sch D 0 31 A 0 22 SDCLK SDCLKE SDWE A10_PRECHG CAS0 RAS0 CS7 SDBA0 BS 0 3 SDBA1 Sheet 3 SDRAM SCH D 0 31 WE CS0 OE RSTO A 0 22 Sheet 4 Flash SCH RXDUART1 CTSUART1 RTS...

Page 68: ...0 CAVE CAVEi C8 C10 C7 C9 CAVEi PM E EKGIN E EKGCONV E QSM EKGCLK E EKGOUT E CAVEi NC1 NC17 ISOLIERT NICHT ISOLIERT PM E EKGOUT E EKGIN E EKGCONV E QSM EKGCLK E EKG_POWER EKG_POWER SCH EKGOUT E EKGCONV E QSM EKGCLK E EKGIN E EKGRES RA F LA F C1 F C2 F C3 F C4 F C5 F C6 F RAOS LAOS C1OS C2OS C3OS C4OS C5OS C6OS PMP PM E C7OS C9 F C10 F C8OS C9OS C10OS C7 F C8 F EKG INTERFACE EKG INTERFACE SCH C1 S2...

Page 69: ...Page 69 Construction Drawings 10 AT 10 plus Service Handbook Circuit and functional illustrations 10 2 Art no 2 540043 Rev a 10 2 5 Main microprocessor board component layout ...

Page 70: ...10 Construction Drawings 10 2 Circuit and functional illustrations AT 10 plus Page 70 Art no 2 540043 Rev a 10 2 6 ECG board component layout ...

Page 71: ...Page 71 Construction Drawings 10 AT 10 plus Service Handbook Circuit and functional illustrations 10 2 Art no 2 540043 Rev a 10 2 7 Communication module component layout ...

Page 72: ...est plug 11 2 DC In Out cable assembly 11 3 ERGO connector and switch Using an RS plug solder together pins 2 and 3 P18 DC out P17 DC in DC Out 1 DC Out 1 Gnd DC Out 2 DC Out 2 Gnd DC In 1 DC In 1 DC In 2 DC In 2 1 2 3 4 2 3 4 5 1 Shield P18 DC OUT front view 1 3 4 2 P17 DC IN front view 2 4 5 3 1 P19 ERGO TMUP TMDOWN FOOTIN 9 8 7 Switch QRSOUT RPMin 6 1 LOADOUT LOADIN 3 2 5 4 Shield P19 ERGO fron...

Page 73: ...n good condition with no crushing chafing or cuts etc All plugs and sockets are straight and in good condition 2 No soiling which could hamper the safety of the device 3 Voltage selector is set correctly 4 Correct fuse rating see page 43 5 Safety labels back panel type designation and fuse rating label readable side panel patient connector CF label and attention symbol readable 5 3 2 Mains and bat...

Page 74: ... and DC OUT ports change colour when the test cable assembly is connected between the two connectors 3 ERGO square changes colour when the test plug inserted 4 ERGO square changes colour when the switch set 5 3 8 ECG amplifier and patient cable test page 37 1 Disconnect ECG patient simulator Check the following device beeps 4 times all lead designations highlighted the mV reading for all leads is ...

Page 75: ...CD 4 7 Colour page 24 1 Set and change colour as required 5 4 Safety tests page 41 1 The safety test is carried out in accordance with the EN 60601 1 Clause 18 and 19 This test may only be carried out with a tester that fulfils the above mentioned norms and has been calibrated in accordance with ISO norms Add protocol with results to this checklist 2 High Voltage Leak test in accordance with EN 60...

Page 76: ...12 Checklist 12 1 AT 10plus checklist table AT 10 plus Page 76 Art no 2 540043 Rev a Other remarks ...

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