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MAGLIFE light

Service manual

Version 01.00

SCHILLER MEDICAL S.A.S

ZAE SUD

4, rue Louis Pasteur

BP 90050

F-67162 WISSEMBOURG CEDEX

Telephone : +33 (0) 3 88 63 36 00

Fax : +33 (0) 3 88 94 12 82

Internet : http://www.schiller-medical.com

E-mail : [email protected]

Part : 0-48-0084

MAGLIFE light

Record of versions of the service manual

Version 01.00 : June 2006

PN : 0-48-0084 Page I June 2006

MAGLIFE light

NOTICE

This booklet is to be considered as an integral part of the device it describes.

This technical manual is intended for qualified staff, and describes the operation, maintenance and trouble-shooting of MAGLIFE light

Observation of its contents is an essential condition for correct operation of the device, as well as for the safety of the patient and the operator.

The manufacturer rejects any responsibility concerning the safety, reliability and characteristics of the device if:

- the assembly, extensions, settings, modifications or repairs have not been carried out by it or by persons authorised by it.

- the electrical installation of the corresponding premises is not compliant with the provision in force in the country.

- the device is not used in accordance with the instructions for use.

- the spare parts have not come from SCHILLER.

The booklet corresponds to the device at time of publication.

Under no circumstances does provision of this booklet represent authorisation or approval to carry out modifications or repairs on devices.

The manufacturer undertakes to provide all spare parts for a period of ten years.

All rights are reserved for the devices, circuits, procedures and names mentioned in this booklet.

Use of MAGLIFE light is described in the Instructions for Use; any use not specifically described is unforeseen and may present risks.

PN : 0-48-0084 Page II June 2006

MAGLIFE light

INFORMATION CONCERNING SAFETY

• The product bears the mark:

CE- 0459 in accordance with the requirements of Council Directive 93/42/EEC concerning medical devices, based on the essential requirements of Annex I of the latter.

• It fully satisfies the requirements in terms of electromagnetic compatibility stipulated by standard IEC 60601-1-2 / IEC 60601-2-4 “electromagnetic compatibility of medical electrical equipment”.

• In order to guarantee an optimal level of patient safety and electromagnetic compatibility, respect for the specific nature of the measures indicated, and correct operation of the device, we recommend that you use only spare parts from SCHILLER. Any use of accessories other than the original accessories takes places at the exclusive risk of the user. We refuse any responsibility in the event of damage arising from use of incompatible accessories or consumables.

• SCHILLER refuses any responsibility concerning the safety, reliability and characteristics if:

- the assembly, extensions, settings, modifications or repairs have not been carried out by

SCHILLER personnel or by personnel duly authorised by SCHILLER.

- the device has not been used in accordance with the instructions for use.

• Any use of the device outside the framework of procedures described in the instructions for use takes place at the exclusive risk of the user.

• This booklet corresponds to the version of the device and to the technical safety standards in force at the time of publication. All rights are reserved concerning the circuits, procedures, names, software and devices referred to in this technical information booklet.

• The quality management system in force at SCHILLER corresponds to international standards

ISO 9001 and ISO 13485.

• Unless written agreement has been given by SCHILLER, any reproduction of our documentation, in whole or in part, is prohibited.

PN : 0-48-0084 Page III June 2006

MAGLIFE light

Conventions used in the booklet

* Warning : Warns you of an imminent danger. Failure to observe this warning exposes you (and/or those around you) to mortal danger or risk of serious injury.

, Warning describing conditions or actions which may cause malfunction of the device or the software.

)

N.B. : Comment or note of particular interest describing a more effective and more practical operation.

Additional information or explanation concerning the paragraphs preceding the comment.

Manufacturer :

SCHILLER MEDICAL

4, rue Louis Pasteur ZAE sud

F- 67 162 Wissembourg

Tel.

Fax

: **33 / (0) 3.88.63.36.00

: **33 / (0) 3.88.94.12.82

PN : 0-48-0084 Page IV June 2006

MAGLIFE light

CONTENTS

1.

Operation _________________________________________________________1-1

1.1 Display and command elements. ___________________________________________ 1-1

1.2 Explanation of symbols used ______________________________________________ 1-4

1.3 Operation. _____________________________________________________________ 1-6

1.4 Technical specifications __________________________________________________ 1-9

2.

Testing and maintenance _____________________________________________2-1

2.1 Functional control _______________________________________________________ 2-1

2.2 Oximeter test___________________________________________________________ 2-1

2.3 NIBP module test _______________________________________________________ 2-1

2.4 Cleaning and disinfection _________________________________________________ 2-2

3.

Troubleshooting ____________________________________________________3-1

4.

Replacement of parts ________________________________________________4-1

4.1 Procedure for dismantling the device ________________________________________ 4-2

4.2 Procedure for assembling the device ________________________________________ 4-5

4.3 Replacement of parts ____________________________________________________ 4-5

5.

Technical description ________________________________________________5-1

5.1 Operation of the MAGLIFE light device. ______________________________________ 5-1

5.2 The CPU POWER BOARD circuit (WSM0078A) _______________________________ 5-2

5.3 The keyboard circuits and USB connection (WSM0079…) ______________________ 5-13

5.4 The EXTERIOR ALIM (WSM0081A). _______________________________________ 5-14

6.

Device modifications _________________________________________________6-1

6.1 Definition ______________________________________________________________ 6-1

6.2 The CPU POWER BOARD circuit (WSM0078A) _______________________________ 6-1

6.3 The keyboard circuits and USB connection (WSM0079…) _______________________ 6-1

6.4 The EXTERIOR ALIM circuit (WSM0081A). ___________________________________ 6-1

7.

Diagrams and layout drawings _________________________________________7-1

7.1 General synoptic ________________________________________________________ 7-1

7.2 The CPU POWER BOARD circuit (WSM0078A) _______________________________ 7-2

7.3 The keyboard circuits and USB connection (WSM0079…) _______________________ 7-3

7.4 The EXTERIOR ALIM circuit (WSM0081A). ___________________________________ 7-4

7.5 The OEM CPU SPO2 module (3-55-0042) ____________________________________ 7-5

7.6 The 6V NIBP module (3-55-0035). __________________________________________ 7-6

7.7 The DC/DC CCFL +5V converter (3-55-0042). _________________________________ 7-7

PN : 0-48-0084 Page V June 2006

Operation

1. Operation

This chapter describes concise operation of the device. For more detailed use, consult the instructions for use.

1.1 Display and command elements.

1.1.1 Front panel of the MAGLIFE light device

7

8 6

9

10

5

4

3

2

1

11 12

1 : General On/Off button for the device.

2 : Device operation light.

3 : Light indicating that the device is connected to the mains.

7 : Screen for display of curves, parameters, menus and messages.

8 : Button enabling a blood pressure measure using a cuff to be begun or stopped.

9 : Button for switching on and off the function of (physiological and technical) audio alarm inhibition for 2 minutes or permanently.

4 : Light indicating that the battery is charging.

10 : Button for partial on/off of the device, known as “Standby”.

5 : Button enabling either access to the main menu by display of main menu, or exit out of a menu from any area

6 : Rotating button enabling selection of menus.

11 : Connection socket for the Oximeter fibreoptic sensor.

12 : Connection socket for the NIBP measurement cuff.

PN : 0-48-0084 Page 1-1 June 2006

1.1.2 Rear of the MAGLIFE light device

18

13

Operation

13 : Power supply socket (low voltage cable)

14 : Speaker

15 : USB socket

16 : RS 232 socket

17 : Auxiliary sockets cover

18 : Rating plate

14

15

16

17

PN : 0-48-0084 Page 1-2 June 2006

1.1.3 Mains power supply

Operation

19

19 : Mains socket

20 : Low voltage cable socket

20

PN : 0-48-0084 Page 1-3 June 2006

1.2 Explanation of symbols used

1.2.1 Symbols used on the device.

Device On/Off

Mains supply present

Operation

Battery charging

Entry to main menu or exit from any menu

Reject sound of alarms

Non-invasive blood pressure

FC device protected against defibrillation shocks (device intended for direct applications on heart).

Warning! Consult the instructions for use of this device.

Identification symbol for electric and electronic devices. It is compulsory to recycle the parts of the device separately and to send the parts concerned back to the available collection and recycling centres. Inappropriate disposal can cause damage to the environment and to public health, due to the presence of harmful materials in electric and electronic devices.

CE certification body. (G-MED)

1.2.2 Symbols used on power supply.

Presence of power supply

Power supply input point

Power supply output point

PN : 0-48-0084 Page 1-4 June 2006

Operation

1.2.3 Symbols used on the battery

Battery can be recycled.

Do not throw into household waste

Do not throw onto fire

Do not saw

Do not break

Rechargeable battery

Do not short-circuit

Unlimited storage at a temperature of 0… +40°C.

PN : 0-48-0084 Page 1-5 June 2006

Operation

1.3 Operation.

MAGLIFE light is a monitor for surveillance of the vital parameters of a patient, exclusively intended for use during an M.R.I. (Magnetic Resonance Imaging) examination.

Depending on the version chosen, MAGLIFE light provides monitoring of the following parameters:

- transcutaneous oxygen pulsed arterial saturation (Oximeter).

- pulse.

- blood pressure (NIBP).

MAGLIFE light is intended to be mounted on a mobile non-magnetic base.

menu

The configuration menus are hidden in normal use. Access is initiated by pressing the navigation button (6) during start-up of the device and keeping it pressed down until the appearance of this configuration menu.

MAGLIFE light is powered through the rear by a power supply module which is connected to the mains.

Equipped as standard with a battery, MAGLIFE light can follow the patient during his movements

(transfer between the examination room and the adjacent preparation room, for example).

) N.B. : For use on the 50/60 Hz - 100 V network, the EXTERNAL

POWER SUPPLY module is equipped with a specific 100 V transformer.

The battery charges itself automatically when the device is plugged in, whether off or on. During charging the light (3) flashes, and when the battery is fully charged it remains lit.

MAGLIFE light is autonomous under battery power (new condition and fully charged) for two hours

(one hour in the case of intensive NIBP use).

A warning message is displayed approximately 10 to 5 minutes before automatic shut-down off the device in the event of a dead battery.

, Caution : So as not to damage battery lifespan, never leave it in

uncharged condition. In the event of device shutdown due to weak battery, the battery must be recharged as soon as possible.

Plug the mains lead into the socket (19), connect the low voltage cable to sockets (20) and (13). The light (3) comes on, indicating that the device is plugged in.

, light (4) also come on: the battery charges itself automatically when the device is plugged in, even if it is not

operating.

Press button (1); the related light (2) comes on.

After a few seconds, the screen is activated and the system initializes. The initialization sequence lasts about 10 seconds. At the end of this period, the parameters appear.

PN : 0-48-0084 Page 1-6 June 2006

Operation

For use on battery (mains lead removed), press button (1) only (the battery is integrated in the device). If the battery is correctly charged, the related light (2) also comes on and the device starts up. When the battery is fully charged, autonomy is less than 2 hours.

)

N.B. : Operation of button (1) is inhibited during initialization.

1.3.5 The NIBP function

When the option is present, it can be activated or deactivated in the " NIBP" menu.

To make measurements, activate the option and connect a cuff to the patient (3 possible choices: adult, child or neonatal).

Choose the function mode in the NIBP menu:

- Manual (each new measurement must be triggered with button (8)).

- Continuous (only the first measurement must be triggered with button (8)).

- At set intervals : 1; 2; 2.5; 3; 5; 10; 15; 20; 30; 60; 90 min.

The results of measurements (systolic / diastolic and mean) are displayed on the screen after each measurement.

When the SPO2 function is inactive, the NIBP module also measures and displays the cardiac frequency.

1.3.6 The SPO2 function.

When the option is present, it can be activated or deactivated in the "SPO2" menu.

To make measurements, activate the option and connect the right SPO2 sensor to the patient (3 possible choices: adult, child or neonatal).

The results (saturation level and cardiac frequency) are displayed on the screen.

1.3.7 Alarms symbols

S1 Audio alarm activated

S2

S3

S4

Audio alarms activated!

Displayed when at least one monitoring threshold is deactivated. The technical alarms are triggered none the less.

Audio alarms inhibited for 2 minutes.

Displayed after button (9) is pressed (< 3 seconds). The remaining time is displayed under the symbol.

Audio alarm permanently deactivated. Displayed when the alarm off button

(9) is kept pressed for more than 3 seconds.

1.3.7.2 Switching off audio alarm

Button (9) enables the audio alarm to be switched off.

• When you press the button briefly, the audio alarm remains deactivated for 2 minutes, and the symbol (S3) indicates the remaining time, in minutes.

• If you press button (9) for 3 seconds or more, the audio alarm remains permanently deactivated until button (9) is pressed again. The symbol (S4) is displayed, the symbol “ ∞” flashes and a beep is emitted every 2 minutes, by way of reminder.

, Caution: Activation / deactivation of the audio alarm.

Permanent deactivation of the audio alarm is not authorised in certain sites of use. It is for this reason that the function can be configured.

PN : 0-48-0084 Page 1-7 June 2006

Operation alarms

If the value measured exceeds a limit value, an alarm is triggered after 3 secs and

• display of the measured value flashes in red,

• an intermittent audio alarm is triggered (4 audio signals/sec),

• the exceeded parameter window flashes with a red background with reversal of the display colour

• depending on the choice made in the configuration, this audio alarm is interrupted:

- As soon as its cause is interrupted (not locked).

- After its cause has disappeared and button (9) has been pressed (locked)

When a technical alarm is triggered: an error message is displayed in the display field for the parameter in question ; an intermittent audio alarm is triggered (2 audio signals), which meets its rejection configuration criteria; a question park (-?-) is displayed in place of the measured value;

This alarm stops automatically on disappearance of its cause.

upgrading

It is imperative that the person who carried out this upgrade must have the skills and authority to be able to carry out the related operational and safety checks, and this person takes full responsibility for these.

The software upgrade is carried out using a USB key in accordance with standard 1.1 or higher.

Ensure that the software loaded on the USB key in the root directory (this software only) is compatible with the device you wish to upgrade

Insert the USB key into socket (15) for this purpose, select the upgrade tab, and loading will begin automatically. Follow the instructions. When loading is complete, the device will shut down automatically.

PN : 0-48-0084 Page 1-8 June 2006

Manufactured by

Name of device

Dimensions

main unit

power supply

Weight main unit power supply of cover

Electric power supply

Input power

Fuses

Batteries

Autonomy

Ambient conditions

Operation

Temperature

Relative humidity

Pressure

Magnetic field

Storage

Temperature

Relative humidity

Pressure

Magnetic field

Display

Connections

Interfaces

Safety standards

CEM

CE marking

Protection class

PN : 0-48-0084

Operation

SCHILLER Medical SAS

MAGLIFE light

270 x 216 x 116 mm ; 10.6” x 8.5” x 4.6”

180 x 84 x 68 mm ; 7” x 3.3” x 2.7”

6 Kg

1.3Kg

100 ; 115 ; 230 VAC 50/60Hz

Voltage is factory-set

25 VA

2x 100 mA (T) @ 230VAC ; 2x 200 mA (T) @ 100-115VAC

12V 2 Ah Lead

2 hours

15°C – 35°C ; 60°F - 96°F

30 – 95% without condensation

500 to 1060hPa

≤ 40mT

-10°C – 50°C ; 13°F - 124°F

30 – 95% without condensation

500 to 1060hPa

≤ 40mT

TFT colour screen; 6.8” ; 98 x 132mm ; 480 x 640 pixels

SPO

2

, NIBP

RS232, USB 1.1 for connection of equipment specified by

SCHILLER

CEI 60601-1

CEI 60601-1-2

CISPER 11 Class B; with class A printer connected

The device can be subjected to the following interferences without being affected:

Static discharge up to 8kV

Radio frequencies 10V/m (80 – 2500 MHz, 5 Hz modulation)

In accordance with Directives 93/42/EEC class IIb

Class I in accordance with CEI 60601-1

Page 1-9 June 2006

1.4.2 Technical specifications - value reader

Operation

Pulse Oximeter

OEM module BCI

Connection

Class

SPO2 accuracy

Fibre Optic

CF

± 2 % between 70 and 99 %

± 3 % between 50 and 69 %

SPO

2

display range

Pulse accuracy

Pulse display range

HF Protection

NIBP – non-invasive blood pressure

OEM Module

Connection

Class

Measurement principle

Mode

Types of patients

Sensor accuracy

Pulse accuracy

Display range

Adult/child :

0 – 99%

5 b/min

30 – 250 b/min protection against electrosurgery devices

CAS

Fast snap

CF

Oscillometric

Manual, Automatic, Continuous

Neonatal, Children, Adults

± 3mmHg or ± 2%

5 b/min

Neonatal :

HF Protection systolic: 60 - 250 mmHg diastolic: 40 - 220 mmHg mean: 45 - 235 mmHg systolic: 40 - 130 mmHg diastolic: 20 - 90 mmHg mean: 35 - 105 mmHg protection against electrosurgery devices

PN : 0-48-0084 Page 1-10 June 2006

Testing and maintenance

2. Testing and maintenance

This chapter describes the test and maintenance procedure recommended for MAGLIFE light.

Certain functions are tested automatically by the program.

- RAM test,

- EPROM test,

- CPU test,

- ANALOG/DIGITAL converter test.

In the event of a problem, a technical alarm message is displayed on the screen.

In the event of a communication problem between the monitor’s CPU and the different electronic modules, a technical alarm message ("Time out") is displayed in the window corresponding to the affected parameter.

- Start up the MAGLIFE light device so that the Oximeter display is shown.

- Check that the MAGLIFE light device displays the message "sensor problem".

- Connect an SpO2 sensor to the front panel.

- Place the SPO2 sensor on your finger and check that the message changes to "pulse search", then after the curve has appeared (approximately 10 secs.) the SPO2 value for SPO2 percentage and

B/min pulse should be displayed. Check that an SPO2 curve is shown and that there is a beep for each pulse.

2.3 NIBP module test

Connect an NIBP tube with an adult cuff to the front panel connection and choose adult mode.

Put on the NIBP cuff and press the NIBP button (8).

Check that the NIBP pump motor begins to run and that the cuff begins to inflate.

Check that the NIBP screen window begins to indicate an increase in pressure while the cuff begins to inflate.

Check that the pump stops when the screen window reads 180mmHg +/- 20mmHg..

The cuff should begin to deflate and after about 20 seconds should display the SYS/DIA/MAP values in the NIBP window.

Deactivate the SPO2 function if necessary and check the P/min display.

2.3.2 Calibration of Non-Invasive Blood Pressure

- Connect a mercury column and a test cell to the NIBP socket on the front panel of the MAGLIFE

light device (if you do not have a test cell, an adult cuff rolled around a bottle in such a way as to have little compliance can be used instead for the purposes of the calibration).

- Activate “Calibration” in the NIBP menu; the indication on the screen corresponds to the pressure value measured by the NIBP module. Proceed with the measurement in several points, by comparison of the MAGLIFE light indication and that of the external measurement device, across the whole measurement range.

PN : 0-48-0084 Page 2-1 June 2006

2.4 Cleaning and disinfection

Testing and maintenance

,

Caution : For cleaning, the device must be switched off. Remove all power sources before beginning to clean the device, in order to exclude any risk of accidental start-up of the device.

Before cleaning, also unplug the sensor cables.

No liquid must penetrate into the device; should this happen, however, the device must only be reused after aftersales service verification.

You are formally advised not to clean the devices with products such as ether, acetone, esters, aromatic products, etc.

Never use phenol-based cleaning products or products containing peroxide derivatives to disinfect the surfaces of the device case.

• Before cleaning the sensor electrode cables, disconnect them from the device. In order to clean and disinfect them, wipe them using a gauze cloth soaked in cleaning fluid or disinfectant.

Never emerge the connectors in liquid. As a cleaning solution, you can use any cleaning or disinfectant solution used in hospital environments.

• Proceed in the same way with the device case, using a cloth lightly soaked in cleaning fluid or disinfectant. No liquid must penetrate into the device during this operation.

PN : 0-48-0084 Page 2-2 June 2006

Troubleshooting

3. Troubleshooting

This chapter describes the tracking of breakdowns in the event of MAGLIFE light malfunctioning. If the tracking or correction of the fault poses a problem, contact SCHILLER After-Sales Service.

)

N.B. : When there is an error message, before any intervention note the error number and restart the device to check that it is not simply the result of a crashed program.

)

N.B. : Before any intervention, check if all 13 chevrons on the CPU are short-circuited.

ERROR OBSERVATION

Screen is black but menus and messages are displayed

Screen is very dark

Screen interference

USB does not work

Rotating button does not work

Speaker does not work

Device works on battery and shuts down shortly after starting up

PN : 0-48-0084

POSSIBLE CAUSES

1. Microcontroller on

CPU board not working.

1. Problem with backlighting connection.

2.

Problem on the backlighting board

1. Problem with ribbon cable connection.

2. Ribbon cable not working

1. Problem in the USB cable.

2. Problem with F1000 fuse on CPU board.

1. Problem in the button cable.

1. Problem with the speaker cable.

2. Problem with

µcontroller buzzer on CPU board

1. Battery charge is low

2. Battery not working

Page 3-1

CORRECTIVE ACTIONS

1. Replace the microcontroller

1. Check the backlighting cables.

2. Replace the backlighting board

1. Reposition the ribbon cable in the connector.

2. Replace the ribbon cable.

1. Check the contacts in the

USB cable.

2. Replace the F1000 fuse.

1. Check the contacts in the button cable.

1. Check the contacts in the

HP cable

2. Replace the microcontroller

1. Recharge for 10 hrs.

2. Replace the battery

June 2006

Troubleshooting

ERROR OBSERVATION POSSIBLE CAUSES

The device is powered with the battery, but will not start.

The battery does not charge when the mains is connected

"Time out" error

(in the SPO2 window)

"Time out" error

(in the NIBP window)

The " charge battery " LED stays off

1. Problem with F100 fuse on CPU board.

2. Battery not working

3. CPU board not working

1. Problem with F1900 fuse on CPU board.

2. Battery not working

3. CP board not working

ERROR MESSAGES

1. Problem on the

SPO2 board

1. Problem on the NIBP board

CORRECTIVE ACTIONS

1. Replace the F100 fuse.

2. Replace the battery.

3. Replace the CPU board

1. Replace the F1900 fuse.

2. Replace the battery.

3. Replace the CPU board

1. Replace the SPO2 board

1. Replace the NIBP board

PN : 0-48-0084 Page 3-2 June 2006

Replacement of parts

4. Replacement of parts

This chapter describes the dismantling of the MAGLIFE light device in order to replace faulty parts. The following warnings apply to any intervention inside the device.

,

Caution : Before dismantling the device, remove all power supply sources

,

Caution : The device contains circuits which are sensitive to electrostatic discharge. Any MAGLIFE light intervention must be carried out with respect for ESD usage regulations. The intervention must be performed on an earthed, antistatic mat, and the operator must wear an anti-static bracelet which is also earthed.

,

Caution : A general test of the device must be conducted after every opening of the device.

PN : 0-48-0084 Page 4-1 June 2006

Replacement of parts

4.1 Procedure for dismantling the device

4.1.1 Opening the device

Unscrew the 8 screws.

Separate the two parts of the casing and disconnect the 5 cables indicated below.

PN : 0-48-0084 Page 4-2 June 2006

Replacement of parts

4.1.2 Removal of CPU sub-system + screen

Take out the MENU button.

Disconnect the cables from the SPO2 base and the tube from the NIBP.

Unscrew the 8 screws, then extract the sub-system.

PN : 0-48-0084 Page 4-3 June 2006

Replacement of parts

Photos of the sub-system without the SPO2 and NIBP modules:

PN : 0-48-0084 Page 4-4 June 2006

Replacement of parts

4.2 Procedure for assembling the device

For assembly of the device, operate in reverse fashion to the dismantling procedure.

,

Caution : The cables must be positioned properly to avoid jamming them during assembly.

4.3 Replacement of parts

*

Warning : The replacement of parts must only be carried out by personnel who are specially trained and authorised by

SCHILLER.

Furthermore, all replacement parts must originate from

SCHILLER.

)

N.B. : To order a new part from SCHILLER, give the device type and serial number located on the rear of the device. Next, specify the article code for the part to be replaced.

PN : 0-48-0084 Page 4-5 June 2006

Replacement of parts

PN : 0-48-0084 Page 4-6 June2006

Replacement of parts

PN : 0-48-0084 Page 4-7 June2006

REF.

PN

7 3-10-0119

Replacing parts

Appearance of the subsets

APPEARANCE OF THE PART

9 3-10-0122

36 3-10-0116

56 3-10-0112

66 3-10-0117

VDC power supply cable, PN 3-10-0118.

PN : 0-48-0084 Page 4-8 June 2006

A B C D

Replacing parts

Mains power supply

E F

G

REF QTY

E

F

G

C

D

A

B

1

1

1

1 *

1

1

1

PN

4-21-0150

3-10-0121

6-02-0042

3-10-0124

WSM0081A

3-10-0113

3-10-0120

PLAN No.

PCIND0747

W3M144376

PCIND0752

PCIND0739

PCIND0746

(*) QTY 2 for 115 V mains wiring (see § 5.4.2).

DESCRIPTION

Mains connector

Earth cable

Power supply case version 2

Cavalier cable transformer

IC power supply

VDC output cable

Phase / neutral cable

PN : 0-48-0084 Page 4-9 June 2006

Description technique

5. Technical description

5.1 Operation of the MAGLIFE light device.

The MAGLIFE light device comprises the following elements:

The CPU POWER-board comprising a CPU section, a POWER section and all the connections required for access to the different elements of control, communication, signalling and visualisation.

The board also supports and manages the SPO2 (OEM) and NIBP (OEM) options. The CPU provides the digital and analog processing of MAGLIFE light and the POWER section supplies the different power supplies required for the device to operate. All connections between the CPU section and the

POWER section flow through chevrons. They enable the CPU section to be electrically isolated from the POWER section during testing of the latter. These connection lines are shunted through the

POWER section, before the chevrons, on a test connector.

N.B. : In normal monitoring mode, all chevrons are closed.

Keyboard circuits which serve as an interface between user and device.

A screen on which the curves and different parameters can be displayed.

The MAGLIFE light power source can be provided by a mains power supply module through a connector located at the rear of the device and/or a battery permanently mounted in the device.

The battery is rechargeable through the power supply, and a light on the front panel indicates when this is taking place.

PN : 0-48-0084 Page 5-1 June 2006

Description technique

5.2 The CPU POWER BOARD circuit (WSM0078A)

5.2.1 The power supply section:

5.2.1.1 Presentation

The power supply section of MAGLIFE light delivers, from the mains power supply modules or from the lead 12 V–2Ah battery permanently mounted in the device, the following voltages:

U_MAINS

U_ALIM

+3.3V_TEST

+5V_TEST

+6V_TEST

EVER_VCC

U_BAT

It also charges the battery, from the voltage delivered by the mains power supply module through the battery charger. Monitoring of battery charge status is provided by a system of comparators which deliver the signals BATFULL_TEST, I_LOAD_TEST and –BAT_LOW_TEST. The signals

BATFULL_TEST and I_LOAD_TEST are used in combination to acknowledge the completion of battery charging. The signal –BAT_LOW_TEST also acts on the On/Off status of the power supply. It switches off the device hardware. This takes place when battery voltage is below 10 V. In parallel to the surveillance by the system of comparators, battery voltage is continuously monitored by means of the ADC of the CPU section.

Power supply On/Off control is under the control of the CPU section by means of the signals M/-

A_TEST and -HB0_TEST. They control establishment of the U_ALIM, +3.3V_TEST, +5V_TEST,

+6V_TEST and U_HALL_TEST voltages and activation of the battery charger.

The EVER_VCC voltage is always present. It only depends on the presence of one of the power sources; mains power supply module or battery.

The protection fuse of the MAINS power supply is located in the mains power supply module, while that of the battery is located on the CPU POWER-board.

5.2.1.2 Description of the input stage:

The power supply input of the device is protected against polarity reversal. This is carried out by means of D1800. The output of this diode delivers the U_MAINS voltage, from which the battery charger is supplied. It also supplies, via D1805, the DC/DC converter which produces the EVER_VCC power supply voltage. In addition, it is also used as a control signal acting at the level of

U_HALL_TEST voltage command, and control of the power supply for the battery monitoring system

(U1801 and U1803).

The common point formed by the D1801 and D1802 cathodes delivers the COM_PWR voltage which results from the U_MAINS and U_BAT voltage. The amplitude range of this voltage, according to the power sources in place (mains power supply module or battery), can vary between 32 V and 9.5 V.

This is the voltage from which the U_ALIM switched power supply voltage is produced which supplies the +3.3 V, +5 V and +6 V DC/DC converters. It is also the voltage from which is produced the switched power supply voltage COM_PWR_CTRLD which supplies the battery monitoring system.

Similarly, the common point formed by the D1805 and D1807 cathodes delivers the IN_STARTUP voltage which is resultant from the U_MAINS and U_BAT voltages. This voltage supplies the DC/DC

EVER_VCC converter.

PN : 0-48-0084 Page 5-2 June 2006

Description technique

Synoptic of the power supply section

MAINS

D1800

GND

D1805

D1807

Lead-Acid Battery

12V - 2Ah

GND

U_BAT

U_MAINS

D1801

COM_PWR

Q1800

D1802

U_ALIM

U_MAINS

DC / DC CONVERTER

3.3 V

CPU and LCD POWER SUPPLY

DC / DC CONVERTER

5 V

BACKLIGHT and AUXILIARY POWER

DC / DC CONVERTER

6 V

NIBP and AUXILIARY POWER

BATTERY

CHARGER

D1806

OUT_LOADER

IN_STARTUP

DC / DC

EVER_VCC

U_HALL

ON/-OFF_UHALL

D1804

BATTERY

SUPERVISORY

D1808 - D1812

-BAT_LOW_TEST

BATFULL_TEST

U_BAT

U_MAINS

U_ALIM_ON

ON/OFF

CONTROL

U_MAINS

U_ALIM

+3.3V_TEST

+5V_TEST

+6V_TEST

I_LOAD_TEST

EVER_VCC

U_HALL_TEST

-HB0_TEST

M/-A_TEST

-BAT_LOW_TEST

BATFULL_TEST

U_BAT

TO TEST CONNECTOR

PN : 0-48-0084 Page 5-3

U_MAINS_CPU

U_ALIM_CPU

+3.3V

+5V

+6V

I_LOAD_5V

EVER_VCC_CPU

U_HALL

-HB0

M/-A

-BAT_LOW_5V

BATFULL_5V

U_BAT_CPU

June 2006

Technical description of the boards

5.2.1.3 Control of power supply voltages activation:

Switching of the U_ALIM voltage, from which are also produced the +3.3V_TEST, +5V_TEST and

+6V_TEST voltages, is carried out by means of the Q1800 switching transistor. It is controlled by the

U_ALIM_ON signal resulting from the logical operation carried out from the command signals M/-A_TEST, -

HB0_TEST and status signal –BAT_LOW_TEST.

The signal –HB0_TEST, active low, cuts the power supply voltages when an excessive ambient magnetic field has been detected. Similarly, the signal –BAT_LOW_TEST active low cuts the power supply voltages when the battery voltage falls below 10 V.

The table below summarises the status of the switching transistor depending on the command and status signals.

M/-A_TEST

0

0

0

1

1

0

1

1

0

1

1

0

1

Control of power supply voltages activation

-HB0_TEST

0

0

1

-BAT_LOW_TEST

0

1

0

1

0

1

0

1

Q1800 Status

Off

Off

Off

Off

Off

Off

Off

On

5.2.1.4 Power supply voltage +3.3V_TEST :

The power supply voltage +3.3V_TEST is produced from the U_ALIM voltage, by means of a DC/DC down converter built around U2000. It delivers a regulated voltage of +3.3 V +/- 5% and can provide a current of

1.5 A.

Activation of this voltage is controlled by the signal U_ALIM_ON.

5.2.1.5 Power supply voltage +5V_TEST :

The power supply voltage +5V_TEST is produced from the U_ALIM voltage, by means of a DC/DC down converter built around U2001. It delivers a regulated voltage of +5 V +/- 5% and can provide a current of 1.2

A.

Activation of this voltage is controlled by the signal U_ALIM_ON.

5.2.1.6 Power supply voltage +6V_TEST :

The power supply voltage +6V_TEST is produced from the U_ALIM voltage by means of a DC/DC down converter built around U2100. It delivers a regulated voltage of +6V +/- 5% and can provide a current of 1.2

A.

Activation of this voltage is controlled by the signal U_ALIM_ON.

5.2.1.7 Power supply voltage EVER_VCC :

The power supply voltage EVER_VCC is produced from the IN_STARTUP voltage, by means of a DC/DC down converter built around U1903. It delivers a regulated voltage of +6 V +/-10% and can provide a current of 300 mA.

The presence of this voltage is directly linked to the presence of the device’s power supply sources (mains power supply module and/or battery). It is not switched. The EVER_VCC voltage mainly supplies the device’s On/Off circuit and the ambient magnetic field measurement circuits.

charger:

The battery charger comprises a DC/DC down converter built around U1900, a U1901 charge current measurement circuit and a U1902 end-of-charge detector. It is powered from U_MAINS, which is the voltage delivered by the mains power supply module. Its activation is controlled by the signal –HB0_TEST which commands shutdown of the charger when the device enters an excessive magnetic field. It delivers a voltage of 14 V and has a charge current limitation of 250 mA.

The charge current measurement is carried out across resistors equivalent to 0.5 Ω, R1907 and R1908, inserted into the charger’s output line. The voltage developed on the terminals of the measurement resistor is applied to the U1901 amplifier circuit. This delivers a voltage, amplified by plus 50, which is proportional to the battery charge current. This is applied to the U1902B comparator, which has a transfer threshold set at

0.9, corresponding to a charge current of 18 mA. When this threshold is reached, the signal I_LOAD_TEST passes to low status. In combination with the signal BATFULL_TEST, the signal I_LOAD_TEST controls the battery charge indication light.

The table below gives the indication light status in accordance with the status of the signals I_LOAD_TEST and BATFULL_TEST.

PN : 0-48-0084 Page 5-4 June 2006

Technical description of the boards

I_LOAD_TEST BATFULL_TEST

1

1

0

0

0

1

0

1

Status of battery charge indication light

Lit

Flashing

Flashing

The outlet of the OUT_LOADER charger is equipped with protective elements, F1900 and D1806, intended to protect the battery against an excessive charge current and to prevent battery voltage return on the

U1900 DC/DC converter outlet when the U_MAINS voltage is not present.

The F100 fuse placed at the outlet of the battery provides overall protection for the latter from the CPU

POWER-board .

5.2.1.9 Battery voltage monitoring:

Battery voltage monitoring is carried out by a system of threshold comparators which delivers the

BATFULL_TEST and –BAT_LOW_TEST status signals. The system of comparators is powered by a switched voltage COM_PWR_CTRLD. It is switched by the Q1806 transistor which is controlled by the

U_ALIM_ON signal and/or the presence of the MAINS voltage. Similarly, the connection between the battery and the system of comparators is controlled by the Q1804 transistor. The aim of this management system is to control leakage currents drawn from the battery when the device is switched off and the mains power supply module unplugged.

The battery voltage is applied to the divider comprised of R1811 and R1814 which provide a reduction of

4.32. The resulting signal is then applied to the inlet of the U1803B and U1803A comparators by means of

R1813 and R1819 resistors. These, in combination with R1809 and R1817, give hysteresis to the

BATFULL_TEST and –BAT_LOW_TEST comparators.

The switching thresholds of the comparators are carried out from the VREF_PWR voltage delivered by

U1801B and U1802. The voltage amplitude of the BATFULL_TEST and –BAT_LOW_TEST comparator outputs are limited to EVER_VCC voltage using clipping diodes D1810 and D1811.

The signals generated by the comparators are exploited by the CPU section of the board. However, the signal –BAT_LOW_TEST also acts at On/Off level by means of U1804. It causes switch-off of the device hardware when battery voltage falls below 10 V.

)

N.B. : Hardware switch-off is the final level of device shutdown. Under normal operation, device shutdown due to low battery is controlled by the CPU section. It is achieved by monitoring of battery voltage via the ADC. It takes place at 10.5 V.

So as not to damage battery lifespan, never leave it in uncharged

condition. In the event of device shutdown due to weak battery, the battery must be recharged as soon as possible.

PN : 0-48-0084 Page 5-5 June 2006

Technical description of the boards

5.2.2 The CPU section

The CPU section contains the operating system (Linux), all associated specifications, keyboard management and display, management of signals coming from the sensors (SPO2, NIBP, Hall) and management of all inputs/outputs (peripherals).

It is comprised of a Coldfire microprocessor, memory (RAM and flash) and peripherals such as the USB, the

TFT controller, the clock (RTC), the sound (Buzzer) and serial connections.

A programmable component (CPLD) is used for address decoding (selection of correct peripheral), generation of reset signals and certain control signals, and management of the keyboard and the rotating button. An analog micro-controller (ANA) enables management of the SPO2 and NIBP sensor signals and communication of the results to Coldfire.

The possible configurations are the use of an Oximeter and/or a sphygmomanometer.

5.2.2.1 Organigram

Memory :

-Flash

-RAM Peripherals :

BDM

POWER

Coldfire

CPU

CPLD

Data buffers

ANA

RS232

-

UART

TEST

Compact Flash

USB

TFT

RTC

Keyboard

RS232

Hall

BUZZER

CAS

BCI

ANA NIBP

UART

TEST

uC ANA

SPO2

PN : 0-48-0084 Page 5-6 June 2006

Technical description of the boards

The CPU board holds the following connectors:

• TFT screen: JP100 connector enabling use of a 6"5 TFT screen

• Backlight : JP102

• Speaker : JP103

• Rotating button : JP104

• USB connector : JP112

• Serial connection RS232 : JP105

• SPO2 sensor : JP108 and JP109

• NIBP sensor : JP107

• Keyboard board : JP101

• Battery : P101

• External power supply : JP106

An on/off circuit sends an on/off signal to the POWER section in order to start up and shut down the device:

When the ON/OFF button is pressed, the signal ON/OFF_BUT becomes active low and a 200 ms pulse is created by the monostable 4538 (U100A). This pulse sends a 5V on/off signal to the POWER section, which then supplies the different voltages. When the board is powered, after reset, it is the CPLD which creates a

5V –MONITOR_OFF_5V signal to take up the pulse. When the device is switched on, the on/off signal is still at 5V. To shut down the device, the–MONITOR_OFF_5V signal created by the CPLD passes to 0V. Two different cases can cause this switch to low status: A stoppage created by the software (confirmation of device shutdown by user or low battery measurement) or a safety shutdown generated by the ON/OFF button being pressed for at least 4 secs.

T filters (R-C-R) are present on all external signals.

A programmable logic creates a LOAD_ON signal from the I_LOAD_5V, BATFULL_5V and BATLOW signals, coming from the power section. This signal makes the LOADING led flash during a battery charge and makes it light up when the battery is charged.

5.2.2.3 Interconnections

The interconnected blocks on the CPU section are as follows:

• CPU

• Memory

• Data and address buffers

• Logical

• BDM

• TFT

• Compact Flash card

• Clock

• USB

• Sound

• Hall effect sensors interface

• Analog

• NIBP power supply

• SPO2

These blocks are explained individually below.

PN : 0-48-0084 Page 5-7 June 2006

Technical description of the boards

5.2.2.4 CPU

The CPU is a Coldfire microprocessor made by Motorola, and it is responsible for executing the different programs (start-up, operating system and applications).

The main communication signals used by Coldfire are:

• general board reset bus bus

• interrupts from CPLD

Acknowledge

• flash access chip select

• periphery access chip select clock

• read/write

• output enable (reading)

• serial connection 0 (console)

• serial connection 1

• BDM

• IDE signals (Compact Flash)

-RESET_CF

CF_A[1..25]

D[0..31]

NT_H, INT_M, INT_L

-TA

CS0

CS1

BCLK

RW

-OE

RXD_0, TXD_0, CTS_0, RTS_0, -INVALID_0

RXD_232, TXD_232, CTS_232, RTS_232, -INVALID_1

PSTCLK, DSCLK, -BKPT, DSI, DSO, PST[0..3], DDATA[0..3]

-RST_CF, -IORD, -IOWR, IORDY, BUFEN2

-SDRAM_CS1, -SDRAS, -SDCAS, -SDWE, SDUDQM,

SDLDQM, BCLKE

5.2.2.5 Memory

The flash AM29LV320 (U401) has a capacity of 4 Mb, and contains the bootloader (start-up program) and the operating system.

The SDRAM MT48LC16M16 (U400) has a capacity of 32 Mb, and contains the programs currently being executed (working memory).

The CPU accesses the flash and the RAM directly, but data buffers are used during access to the different peripherals.

The address buffers 74LCX541 (U501, U502 and U503) are always on and mainly serve to drive enough current for the different peripherals.

The data buffer 74LCX16245 (U500) is activated with the signal –PERI created by the CPLD when peripherals are accessed.

PN : 0-48-0084 Page 5-8 June 2006

Technical description of the boards

5.2.2.7 CPLD

The CPLD manages address decoding and creates the Chip Select signals which activate each periphery individually. It also manages the keyboard and rotating button signals and various command and control signals.

The CPLD input and output signals are:

• address

• data

• bus

• general

• chip select (peripherals)

B_A[1..23]

B_D[24..31]

BCLK

-RESET_CF acknowledge

• peripheral elements chip select

-CS1

-TA

-CS_CF1, -CS_CF2, -PERI, -CS_TFT, -CS_ADC,

-CS_BUZZER, -CS_ANA, -CS_TEST, CS_RTC,

-CS_USB

-RST_USB, -RST_ADC, RST_BUZZER, -RST_TFT,

RST_UART, -RST_MEM

INT_BUZZER, -INT_ADC, INT_USB, -INT_RTC,

INT_ANA, INT_TEST, INT_CF

INT_H, INT_M, INT_L • interrupts going to coldfire

• Read-Write and Output Enable (coldfire) RW, -OE

• Read and Write (CPLD) -RD_, -WR_

• Compact flash access

• Communication with the TFT controller

BUFENB2

TFT_RDY

KEY_f[0..3]

PUSH_f • rotating buttons button

• on off button

• screen brightness adjustment

• audio amp activation activation

• rotating button management

• UART clock (output)

• BUZZER clock (input)

• interlocked NIBP pump

• high magnetic field

ON/OFF_BUTf

-BL_ON, BRT_UnD, -BRT_INC, -BRT_CS

SOUND_ON nMONITOR_OFF

ROT_A_f, ROT_B_f

CLK_UART_CF

CLK_BUZZER,

PUMP

-HB0 nBAT_LOW

BATFULL low

• battery

• charge current present present

• low frequency clock

• Watchdog

• Coldfire reset out

I_LOAD

MAINS

CLK_LOW

WDI nRSTO

5.2.2.8 BDM

The BDM (Background Debug Mode) connector enables the applications and hardware to be debugged and developed. It will also be used for the hardware tests.

5.2.2.9 TFT

The TFT controller used is the SED1386 (U800). It sends data to a 6"5 TFT screen.

A DS1804 (U803) digital potentiometer changes the backlight brightness. The signal BL_ON_5V is the command to supply power to the screen.

PN : 0-48-0084 Page 5-9 June 2006

Technical description of the boards

5.2.2.10 Compact Flash

Compact Flash is a memory containing the applications, configurations (options) and trends. It acts as the hard disk.

5.2.2.11 RTC

A battery-powered DS1501 (U1000) RTC (Real Time Clock) keeps the time on the device.

5.2.2.12 USB

The SL811 (U1100) USB controller enables implementation of a USB output to connect to a USB key or, potentially, to connect a printer.

5.2.2.13 Audio

Alarms are generated by an AT89C2051 (U1201) microcontroller.

A serial communication transmits a frequency and an amplitude to this microcontroller. The corresponding frequency is generated through a P1 serial port, and the sinusoid is smoothed out using resistors. The amplitude of the resulting signal is changed using a DS1804 (U1203) digital potentiometer. The U1202B operational amplifier generates a virtual mass. The signal is finally transmitted to a TDA1905 (U1200) audio amplifier which provides the necessary power.

5.2.2.14 Hall sensors

Magnetic field measurement is carried out from a very precise voltage. A P1300 potentiometer enables the output voltage of the LT1761 (U1300) regulator to be set at 5V +/-0.1%. Using a divider, two voltages, of

1.25 V and 3.75 V, are created and used as upper and lower thresholds for the magnetic field measurement.

These thresholds correspond to a field of –40 mT and 40 mT. If these thresholds are crossed in one of the three field measurement directions, the signal –HB0 (active low) is generated, followed by abrupt device shutdown. A MAX1295 (U1304) analog digital converter measures the magnetic field in the three directions.

It also measures battery voltage status, 6V and VCC voltage. For the field measurement, the ADC input voltage has simply been divided by 2 (reference of 2.5 V). For the battery voltage measurement, the ADC input voltage corresponds to the formula Vbat/k = Vbat/3 - 2.5.

5.2.2.15 UART

A UART TL16C754 (U1401) quad serves as a 3-serial-connection interface with the ANA microcontroller, the buzzer and a test connector.

74LVX3245 (U1400 and U1402) tension transceivers are used as an interface between the 3.3 V and 5V logical levels of certain signals.

5.2.2.16 Analog CPU

A AT89C51 (U1502) microcontroller manages communication between the SPO2 and NIBP sensors and the microprocessor. To do so, it is interfaced with a UART (U1500) quad, and uses a demultiplexer (U1503) to generate the Chip Select signals. A voltage supervisor (U1504) generates the start-up reset which initializes all the components.

PN : 0-48-0084 Page 5-10 June 2006

Technical description of the boards

5.2.2.17 NIBP power supply

For the NIBP measurement, we use a CAS module.

Activation of the NIBP signal _ON_5V leads to generation of the +6V_CAS voltage.

The signal PUMP_5V is generated when the current consumed on the +6V_CAS voltage is high.

5.2.2.18 SPO2

For the SPO2 measurement, we use a BCI module.

The analog +5Va and –5Va voltages are realised using MAX1735 (U1702) and MAX883 (U1703) voltage regulators and a 7662 (U1701) voltage converter.

The U1700A and U1700B amplifiers amplify the input signals coming from the sensors.

The two connectors JP1700 and JP1701 are the connections to the BCI module.

PN : 0-48-0084 Page 5-11 June 2006

Technical description of the boards

5.2.2.19 The connectors:

Test alim

TFT screen

ROT MAINS BAT TFT BDM

Keyboard

RS232 USB

ALIM

HP

SPO2

Module

CPU

Compact Flash

NIBP

Analog Test

5.2.2.20 The components:

Ever_Vcc converter

5V converter

6V converter 3V3 converter

Battery charger

CPLD

TFT

SPO2 sensors

PN : 0-48-0084

UART

CPLD analog microcontroller

Page 5-12

Audio amp

USB flash

RAM

UART

Coldfire

BUZZER microcontroller

June 2006

Technical description of the boards

5.3 The keyboard circuits and USB connection (WSM0079…)

The three circuits are part of the same flank. When these circuits are separated, a code article is attributed to each of them. These codes are as follows:

- IC CLAVIER G. MAGLIFE LIGHT (CA : WSM0079B). [Left keyboard circuit]

- IC CLAVIER D. MAGLIFE LIGHT (CA : WSM0079C). [Right keyboard circuit]

- IC CONNEXION USB MAGLIFE LIGHT (CA : WSM0079D). [USB connection]

5.3.1 The left keyboard circuit

This has three push buttons, the actions of which are transmitted to the CPU via a 16P flat cable connection.

These three push buttons control the following functions :

- On/Off for a blood pressure measurement by cuff.

- Starting and stopping the audio alarms inhibition function (physiological and technical alarms).

- Partial On/Off of the device, known as “Standby”.

5.3.2 The right keyboard circuit

This has two push buttons which control the following functions:

- General On/Off of the device.

- Access to the main menu.

It also has the following three indication lights :

- Device operating light.

- Light indicating that the device is connected to the mains.

- Light indicating that the battery is charging.

All this information is sent via a 10P flat cable to the left keyboard and then to the CPU via the 16P flat cable.

5.3.3 The USB connection circuit.

This supports the USB connector and enables the USB plug to be attached to the rear of the device. This circuit also contains pins which enable easy soldering of the cable connecting the USB to the CPU.

PN : 0-48-0084 Page 5-13 June 2006

Technical description of the boards

5.4 The EXTERIOR ALIM (WSM0081A).

INFORMATION:

The mains power supply module delivers, from the 50-60 Hz network, a rectified and filtered voltage

(MAINS) which may vary, according to the current output, between 18 V and 32 V. It is designed to operate on 115 V and 230 V networks using a voltage selector integrated into the module board. The power conversion is performed using a 25 VA toroidal transformer with double windings, primary and secondary.

)

N.B. : For use on the 50/60 Hz - 100 V network, the EXTERIOR ALIM module is equipped with a specific 100 V transformer.

5.4.2 DESCRIPTION OF THE POWER SUPPLY:

The mains socket of the module incorporates EMI filters and fuse compartments. For operations on the 115

Vrms network, the value of the fuses is 200 mAT. For operations on the 230 Vrms network, the value of the fuses is 100 mAT.

The voltage selector is composed of four FASTON configuration cable terminals JP4, JP5, JP6, JP7. The module is configured for use on 230 V mains when cable terminals JP5, JP6 are connected together. It is configured for use on 115 V mains when cable terminals JP4, JP6 are connected together and cable terminals JP5, JP7 are connected together.

3-10-0124

230 V version

Place 2 100 mAT fuses in the compartment provided in the mains base

3-10-0124

115 V version

Place 2 200 mAT fuses in the compartment provided in the mains base

A thermo-fuse integrated into the transformer provides protection for it against excessive heating. It acts directly at the level of the primary by opening the power supply line.

The voltage delivered by the transformer secondary is double-alternation rectified by D1, D2, D3, D4 and filtered by C3, C4.

The R1, R3 resistors constitute a limitation of the input current of the C3, C4 capacitors when the module is switched on. As the filter capacitor terminals voltage increases, the Q2 transistor moves towards saturation and makes the Q1 transistor conductive. In this state, the MAINS output voltage is fully operational. Another

PN : 0-48-0084 Page 5-14 June 2006

Technical description of the boards protection, constituted by the CTP R11, protects the limitation resistors R1, R3 against overheating in the event of short-circuiting of the filter capacitors.

In addition, the MAINS output voltage is equipped with a system for rapid discharge of filter capacitors C3,

C4. Its aim is to prevent prolonged presence of MAINS voltage on the module output. While the module is under voltage, the signal taken from the D2 cathode blocks the Q3 transistor. In the absence of secondary voltage, the Q3 transistor is on and the filter capacitors are discharged through R7, R12.

PN : 0-48-0084 Page 5-15 June 2006

Device modifications

6. Device modifications

6.1 Definition

ECL:

The ECL is the board modification index. There are two types of ECL numbering:

- the first has three figures (PNN).

- P : corresponds to the board version number and is incremented on each rerouting.

- NN : is incremented for each modification carried out on the board. NN falls back to 00 when the P version varies.

- the second has 2 letters (PN) of the board

- P : corresponds to the board version number and is incremented on each rerouting.

- N : is incremented for each modification carried out on the board. NN falls back to A when the P version varies.

6.2 The CPU POWER BOARD circuit (WSM0078A)

Article code ECL Modifications

WSM00078A 100 1st version of the board

WSM00078A 101 Modification 06.059.003, change of value from R1919 → 30.1 k.

6.3 The keyboard circuits and USB connection (WSM0079…)

Article code ECL

WSM0079B

WSM0079C

WSM0079D

100 1st version of the boards

6.4 The EXTERIOR ALIM circuit (WSM0081A).

Modifications

Article code ECL

WSM0081A 100 1st version of the board

Modifications

PN : 0-48-0084 Page 6-1 June 2006

Diagrams and layout drawings

7. Diagrams and layout drawings

PN : 0-48-0084 7-1 June 2006

USB

RS232

Buzzer

CON4

1

2

3

4

BZ1

1

6

2

7

3

8

4

9

5

JP?

CN M 9 C SOUD SUB D/CAVE 3-10-0117

BUZZER MURATA PKB24SPC-3601

Rot - Push

Turn Button

Push Button

3-10-0116

3-10-0112

3-10-0122

KEYBOARD_L

GND

GND

KEY_1

KEY_2

KEY_3

GND

GND

4-15-0024

9

10

7

8

5

6

1

2

3

4

JP1 JP2

CON10

7

8

5

6

1

2

3

4

9

10

GND

GND

KEY_1

KEY_2

KEY_3

GND

GND

4

5

6

1

2

3

9

10

7

8

1

2

1

2

3

4

5

CON5

JP112

1

2

3

4

5

CON5

V_USB

D-

D+

GND

CAVE

JP105

4

5

6

1

2

3

7

8

9

10

CON10

RXD_232

RTS_232

TXD_232

CTS_232

GND

JP103

1

2

CON2

SPEAKER_1

SPEAKER_2

WSM0078 Maglight CPU-POWER BOARD

CPU POWER

+3.3V

+5V

+6V

EVER_VCC

U_ALIM

U_HALL

U_MAINS

U_BAT

M/-A

-HB0

I_LOAD

BATFULL

-BAT_LOW

LOAD_ON

ON/OFF_BUT

TP_CPLD

VCC

CAVE

GND_HALL

GND_SPO2

GND

CH1800

CH1801

CH1802

CH1803

CH1804

CH1805

CH1806

CH1807

CH1808

CH1809

CH1810

CH1811

CH1812

R1834

R1835

R1836

R1837

+3.3V

+5V

+6V

EVER_VCC

U_ALIM

U_HALL

U_MAINS

U_BAT

M/-A

-HB0

I_LOAD

BATFULL

-BAT_LOW

GND

VBAT1

LOAD_ON

ON/OFF_BUT

TP_CPLD

VCC

GND

EXT_DC

CAVE

GND_HALL

GND_SPO2

GND

1

2

P101

CON2

3-10-0111

CON2

1

2

BATTERY

GND

UBAT1

1

2

3

JP106

3-10-0110

Connection to

external DC

1

2

3

4

5

CON5

JP104

1

2

3

4

5

CON5

ROT_A

ROT_B

GND

PUSH

GND

GND

GND

LOAD_ON_5V

U_MAINS_5V

M/-A

GND

GND

ON/OFF_BUT

KEY_0

KEY_1

KEY_2

KEY_3

GND

10

11

12

13

14

15

16

8

9

6

7

3

4

1

2

5

JP3

CON16

JP101

10

11

12

13

14

15

16

8

9

6

7

3

4

1

2

5

CON16

GND

GND

LOAD_ON_5V

U_MAINS_5V

M/-A

GND

GND

ON/OFF_BUT

KEY_0

KEY_1

KEY_2

KEY_3

GND

R2_A

R1_A

GND_SPO2

GND_SPO2

E1_SPO2

E2_SPO2

GND_SPO2

GND_SPO2

GND_SPO2

-RST_SPO2_5V

GND_SPO2

-5Va

TXD_SPO2

RXD_SPO2

+5Va

GND_SPO2

+5Vd

GND_SPO2

5

6

3

4

1

2

9

10

7

8

JP1701

8

9

10

11

12

13

14

6

7

4

5

1

2

3

CON10

JP1700

CON14

CON10

5

6

3

4

1

2

7

8

9

10

8

9

10

11

12

13

14

6

7

4

5

1

2

3

CON14

SPO2_BCI

R2_A

R1_A

GND_SPO2

GND_SPO2

E1_SPO2

E2_SPO2

GND_SPO2

GND_SPO2

GND_SPO2

-RST_SPO2_5V

GND_SPO2

-5Va

TxD_SPO2

RxD_SPO2

+5Va

GND_SPO2

+5Vd

GND_SPO2

TFT_DISPLAY

4-15-0022

VH

VL

VL

VH

G0

G1

G2

G3

G4

G5

GND

B0

B1

B2

B3

GND

CLOCK

HSYNC

VSYNC

GND

R0

R1

R2

R3

R4

R5

GND

B4

B5

GND

ENABLE

3V3_TFT

3V3_TFT

28

29

30

31

23

24

25

26

27

16

17

18

19

20

21

22

9

10

11

12

13

14

15

6

7

4

5

8

1

2

3

CON31

BACKLIGHT 3-10-0115

VH

VL

GND

GND

BL_ALIM_5V

BL_ALIM_5V

1

2

3

4

5

BRT_ADJ

JP100

28

29

30

31

23

24

25

26

27

16

17

18

19

20

21

22

9

10

11

12

13

14

15

6

7

4

5

8

1

2

3

CON31

JP102

1

2

3

4

5

CON5

B0

B1

B2

B3

G0

G1

G2

G3

G4

G5

GND

GND

CLOCK

HSYNC

VSYNC

GND

R0

R1

R2

R3

R4

R5

GND

B4

B5

GND

ENABLE

3V3_TFT

3V3_TFT

GND

GND

BL_ALIM_5V

BL_ALIM_5V

BRT_ADJ

R1_SPO2

R2_SPO2

CAVE

E1_SPO2

E2_SPO2

CAVE

1

2

3

JP109

1

2

3

JP108

1

2

3

1

2

3

3-10-0119

+6V

+6V

+6V

GND_ANA

GND_ANA

GND_ANA

RST_NIBP_5V

RXD_NIBP

TXD_NIBP

8

9

10

6

7

4

5

1

2

3

JP107

CON10

3-10-0114

NIBP_CAS

6

7

4

5

1

2

3

8

9

10

+6V

+6V

+6V

GND

GND

GND

RESET_NIBP

RXD_NIBP

TXD_NIBP

SpO2

NiBP

Interconnection Maglife Light

Project : 103_Maglife Light

Size: A2 Drawn by : SIS/JME

PCB No.:

Art. No. :

Schema No. :

V1.6

Date: 10/01/2005

SCHILLER

Sheet 1 of 1

4, rue Louis Pasteur

ZAE Sud BP50

67162 WISSEMBOURG CEDEX

Diagrams and layout drawings

7.2 The CPU POWER BOARD circuit (WSM0078A)

WSM0078_PCB1

PN : 0-48-0084 7-2 June 2006

8 7 6 5 4 3 2 1

D

ECL101

Etiquette

N° série

C

B

A D1803, JP120, JP121, JP1300, JP1400, JP300, JP1301, P800, L1905, Q800, R1102,

R136, R1307, R1403, R1704, R1905, R303, R304, R342, R401, R803, R805, R807,

R808, R809, R810, R811, R813, R815, R816, R818, R826, R828, R1002, R1100,

R1103, R309, R310, R311, R344, R345 ne sont pas monté / are not mounted

8 7 6

Dimensions : 235 X 128 mm

5 4 3

DRAWN

NF

ECL100

01 / 06

APPROV

CK

ECL100

01 / 06

MODIFICATION

CK

ECL101

06 / 06

2

MAGLIFE LIGHT

Circuit CPU

CPU board

ART

PRT

DGW

SHT

: WSM0078A

: WSM0078_PCB1

: WSM0078AREF101

: 1/2

1

A

B

C

D

8 7 6 5 4 3 2 1

D

D

C

C

B

B

A

8 7 6 5 4 3

DRAWN

NF

ECL100

01 / 06

APPROV

CK

ECL100

01 / 06

MODIFICATION

CK

ECL101

06 / 06

2

DEFIGARD MAGLIFE LIGHT

Circuit CPU

CPU board

ART

PRT

DGW

SHT

: WSM0078A

: WSM0078_PCB1

: WSM0078AREF101

: 2/2

1

A

Diagrams and layout drawings

7.3 The keyboard circuits and USB connection (WSM0079…)

WSM0079_PCB1

PN : 0-48-0084 7-3 June 2006

D

8 7 6 5 4 3 2 1

WSM0079D

**** / 100

D

C C

WSM0079C

**** / 100

B

B

A

8

Dimensions: 124 mm x 62,5 mm

7 6

DRAWN

CK

ECL000

09 / 05

APPROV

CK

ECL000

09 / 05

MODIFICATION

CK

ECL100

01 / 06

5 4

MAGLIFE LIGHT

Circuit clavier

Keyboard

ART

PRT

DGW

SHT

: WSM0079A

: WSM0079_PCB1

: WSM0079AREF100

: 1/1

3 2 1

A

Diagrams and layout drawings

7.4 The EXTERIOR ALIM circuit (WSM0081A).

WSM0081_PCB1

PN : 0-48-0084 7-4 June 2006

D

8 7 6 5 4 3 2 1

D

C

B

Etiquette

N° série

*

*

C

B

A

8

* = pas monté / not mounted

Dimensions: 130 mm x 65 mm

7 6

DRAWN

NF

ECL100

02 / 06

APPROV

CK

ECL100

02 / 06

MODIFICATION

5 4

MAGLIFE LIGHT

Circuit alimention

Power board

ART

PRT

DGW

SHT

: WSM0081A

: WSM0081_PCB1

: WSM0081AREF100

: 1/1

3 2 1

A

Diagrams and layout drawings

7.5 The OEM CPU SPO2 module (3-55-0042)

PN : 0-48-0084 7-5 June 2006

Diagrams and layout drawings

7.6 The 6V NIBP module (3-55-0035).

PN : 0-48-0084 7-6 June 2006

Diagrams and layout drawings

7.7 The DC/DC CCFL +5V converter (3-55-0042).

PN : 0-48-0084 7-7 June 2006

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