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1054417, V

ER

. 01

P

AGE

 66

Alice

®

 PDx

TM

 Service & Technical Reference Manual

APPR BY:

DRN BY:

CHK BY:

PROCESS:

PRODUCT LINE:

SIZE

SCALE

D

TITLE:

DRAWING NO.

1:1

  Alice PDx  ANALOG BOARD

SHEET

OF

13

13

EDMS

EDMS

EDMS

EDMS

F.PASCARELLA

2

-20-07

SCHEMATIC

Alice PDx

PART NO.

REV.

1041923

S1041923

5

PP13

PP12

PP11

SPO2_RX

SPO2_TX

SPO2_RST

PPG

PP16

PP15

PP14

PPG

EMG3

EMG2

EMG1

ECG_V

ECG_II

ECG_I

DGND

DGND

DGND

AGND

AGND

AGND

AGND

AGND

.01uF

C150

.1uF

C211

AGND

DGND

DGND

.01uF

C214

DGND

R322

4.32K

+3.3V_DIG

AGND

.1uF

C190

.1uF

C192

.1uF

C194

.1uF

C196

SENSOR_TYPE_2

ANALOG_REF

SPO2_TX

SPO2_RX

SPO2_RST

EEG_N3_A2

BUFF_PRESS_SDA

PRESS_ANALOG

BUFF_PRESS_SCL

ANALOG_REF

ACT_UART_TX

ACT_UART_RX

/ACT_GOOD

/EXG_GOOD

EEG_R1_R2

EEG_N4_A2

EEG_N2_A1

EEG_N1_A1

/ECG_GOOD

TO SPO2

(DB-9)

19

J1:S

18

J1:R

20

J1:T

16

J1:P

15

J1:O

14

J1:N

12

J1:L

11

J1:K

10

J1:J

8

J1:H

6

J1:F

7

J1:G

4

J1:D

2

J1:B

3

J1:C

+3.3V_DIG

AGND

AGND

AGND

AGND

18

J2:R

19

J2:S

20

J2:T

14

J2:N

15

J2:O

16

J2:P

10

J2:J

11

J2:K

12

J2:L

8

J2:H

7

J2:G

6

J2:F

4

J2:D

3

J2:C

2

J2:B

TO DIGITAL BRD CONN 2

+3.3V_ANA

DGND

.1uF

C210

.01uF

C213

+3.3V_ANA

.1uF

C212

+3.3V_DIG

SPO2

DGND

17

J1:Q

13

J1:M

9

J1:I

5

J1:E

1

J1:A

17

J2:Q

13

J2:M

+5V

9

J2:I

5

J2:E

1

J2:A

AGND

7

8

3

4

5

1

2

6

9

10

12

13

14

16

15

11

J35

OEM_III

.1uF

C191

.1uF

C193

.1uF

C195

.1uF

C197

SENSOR_TYPE_2

PRESS_SNORE

CABLE_TYPE_0

IND_BELT_2_GOOD

CABLE_TYPE_2

IND_BELT_2

CABLE_TYPE_1

IND_BELT_1

MICRO_CTS

PRESS_RESP

MICRO_RTS

IND_BELT_1_GOOD

MICRO_TX

MICRO_RX

9

J46:I

R322 selects Pulse Ox data format.

Format 1, R332 = 0

Format 2, R332 = Open

Format 7, R332 = 4.3K +/-5%

8

J46:H

7

J46:G

LED Drive -

5

J46:E

LED Drive +

Photo Diode Bias

Sensor Type 1

3

J46:C

2

J46:B

Photo Diode

1

J46:A

TO DIGITAL BRD CONN 1

20

J3:T

19

J3:S

18

J3:R

15

J3:O

14

J3:N

16

J3:P

11

J3:K

10

J3:J

12

J3:L

8

J3:H

6

J3:F

7

J3:G

4

J3:D

2

J3:B

3

J3:C

TO DIGITAL BRD CONN 3

4

J46:D

6

J46:F

17

J3:Q

13

J3:M

9

J3:I

5

J3:E

1

J3:A

Summary of Contents for Alice PDx

Page 1: ...Alice PDxTM Service Technical Reference Manual ...

Page 2: ...PAGE I 1054417 VER 01 Alice PDxTM Service Technical Reference Manual 2009 Koninklijke Philips Electronics N V ...

Page 3: ... the exclusion or limitation of incident or consequential damages so the above limitation or exclusion may not apply to you This warranty is given in lieu of all other express warranties In addition any implied warranties including any warranty of merchantability or fitness for the particular purpose are limited to one year Some states do not allow limitations on how long an implied warranty lasts...

Page 4: ...C IMMUNITY 10 THEORY OF OPERATION OVERVIEW 13 DETAILED CIRCUIT DESCRIPTIONS 14 ANALOG PCA 14 ECG 14 EEG EOG 15 EOG 16 EFFORT BELT 16 PRESSURE SNORE RESPIRATION SENSOR 17 DIGITAL PCA 18 MICROCONTROLLER 18 THERMISTOR CIRCUIT 18 BODY POSITION SENSOR ACCELEROMETER 19 16 BIT ANALOG TO DIGITAL CONVERTER 19 ANALOG REFERENCE SUPPLY 19 POWER SUPPLIES 19 ACTIMETRY UART U1 21 ANALOG VOLTAGE REFERENCE 21 NON ...

Page 5: ...THE BATTERY DOOR BATTERIES 32 REPLACING THE BATTERY ENCLOSURE 33 REPLACING THE BATTERY PCA 34 REPLACING THE POWER BUTTON 35 REPLACING THE DISPLAY ENCLOSURE 36 REPLACING THE MAIN PCA STACK 39 REPLACING THE DISPLAY HOLDER AND OR DISPLAY LCD 42 REPLACING THE CANNULA PORT 44 REPLACING THE CLAMSHELL ASSEMBLY 45 CLEANING AND MAINTENANCE ALICE PDX DEVICE AND HOLSTER 46 CARRYING CASE 46 LANYARD 46 PERFORM...

Page 6: ...ted for diagnostic review by clinicians physicians to aid in the diagnosis of respiratory sleep disorders or other physiological disorders The Alice PDx may be used on adults in the home or hospital institutional environment The device does not provide alarms and is not intended for use as an automated apnea or cardiac monitor SERVICE NOTICE The Alice PDx is designed so that qualified Service Tech...

Page 7: ...1054417 VER 01 PAGE 2 Alice PDxTM Service Technical Reference Manual This page intentionally blank ...

Page 8: ...y result in equipment or property damage and important information that must be considered when performing service and testing procedures on the Alice PDx device Please read this section carefully before servicing the Alice PDx WARNING Warnings indicate the possibility of injury to people CAUTION Cautions indicate the possibility of damage to equipment NOTE Notes are used to emphasize important in...

Page 9: ...ds Repairs and adjustments must be performed by Respironics authorized service personnel only Unauthorized service could cause injury invalidate the warranty or result in costly damage Use caution when removing damaged batteries and avoid exposing skin to any battery leakage Recycle or dispose of batteries in accordance with local regulations Do not incinerate Use only accessories that have been a...

Page 10: ... handling the system often prevents static build up problems Strong transmitter signals from TV radio airport police fire and ambulance stations could be received and may be misinterpreted as heart and or breath signals If you are located less than one mile from any of these sources ask Respironics Customer Service to assist you in determining whether your system will operate properly Do not immer...

Page 11: ...1054417 VER 01 PAGE 6 Alice PDxTM Service Technical Reference Manual This page intentionally blank ...

Page 12: ...against harmful ingress of water IPX0 Ordinary protection against the ingress of liquids Mode of Operation Continuous operation Not suitable for use in the presence of a flammable anaesthetic mixture with air oxygen or nitrous oxide The Alice PDx device is designed to conform to the following standards IEC 60601 1 IEC 60601 1 2 EN 60601 1 EN 60601 1 2 UL 60601 1 CSA 22 2 No 601 1 and AS 3200 1 0 P...

Page 13: ...Motion Adults 2 digits Low Perfusion Adults 2 digits Standard Deviation is a statistical measure up to 32 of the readings may fall outside these limits Heart Rate No Motion 18 300 BPM Adults 3 digits Motion 40 240 BPM Adults 5 digits Low Perfusion 40 240 BPM Adults 3 digits Disposal Dispose of the system components in accordance with local regulations ...

Page 14: ...IC ENVIRONMENT GUIDANCE RF emissions CISPR 11 Group 1 Class B The device uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR 11 Not applicable for battery operated devices The device is suitable for use in all establishments including domestic establishments Harmonic emi...

Page 15: ...Not applicable for battery operated devices 1 kV for I O lines The device is suitable for use in all establishments including domestic establishments Surge IEC 61000 4 5 1 kV Differential Mode 2 kV common mode Not applicable for battery operated devices The device is suitable for use in all establishments including domestic establishments Voltage dips short interruptions and voltage variations on ...

Page 16: ...plies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To ...

Page 17: ...TPUT OF TRANSMITTER W SEPARATION DISTANCE ACCORDING TO FREQUENCY OF TRANSMITTER m 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5GHz 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of ...

Page 18: ...r products is provided The Alice PDx is housed in a two piece hinged plastic housing A removable cover on the back side of the housing allows user access for replacement of the three AA cells which provide power for the unit The same cover also allows access to the removable data storage card All of the electrical circuitry is contained on three PCAs broken down as follows Analog PCA Digital PCA B...

Page 19: ...erived by the algebraic addition and subtraction of the various channels by software running in the microcontroller or in the host computer Signal from the patient electrodes enter the Alice PDx unit at J16 1 left arm and J16 3 right arm and passes through R1 and R21 which in conjunction with C7 and C22 form lowpass filters for EMC susceptibility reduction A Transient Voltage Suppressor CR4 and co...

Page 20: ...ion of their input connections the operation of only one amplifier will be described here Signal from the electrodes enters the Alice PDx at J7 1 and J7 2 and pass through EMC ESD protection components CR19B R209 C30 CR18A C32 R210 C129 C130 and C132 The signal then passes through a highpass RC filter consisting of C158 R63 C159 and R64 This filter serves to remove any DC offset due to electrogalv...

Page 21: ...nominal frequencies can vary over a wide range depending on the inductance of the effort belt The nominal belt inductance is approximately 42 uH This test was performed on a few belts that were available at the time of test and may not be indicative of inductance values to be expected in other belt samples The output of oscillator U19 is fed into U20 an LM555CM timer chip operating as a oneshot mu...

Page 22: ...ngle pole RC filter consisting of C81 and R17 This filter has a cutoff frequency of 03 Hz The signal is then amplified by a factor of 3 15 by U17A The respiration signal passes through a 15 Hz 2 pole active filter consisting of U17B and associated components The amplified and filtered signal is then sent to the LTC1867L 16 bit ADC U30 on the digital board The output of amplifier U18 also feeds the...

Page 23: ... thermistor and the system microcontroller Current flow through the thermistor via resistor R137 causes a voltage to be developed across the thermistor Slight variations will occur in the voltage across the thermistor in response to resistance changes due to patient respiration These voltage variations will be coupled through a low pass filter consisting of R155 and C50 and then through a highpass...

Page 24: ...uiescent outputs of all of the signal conditioners throughout the system are held at one half the input range of the system ADCs POWER SUPPLIES Battery voltage is converted to the various operating voltages needed by the Alice PDx by means of three DC to DC converter circuits These circuits supply operating voltage to the 3 3V_DIG 3 3V_ANA and 5V busses Battery voltage can vary from zero volts for...

Page 25: ...nominal load current of about 78 mA If load current should deviate from this value it may be necessary to recalculate the M and B constants The system processor monitors VBATMON and will issue a low battery warning when the battery terminal voltage falls below approximately 3 1 volts The low battery warning will cause the system to halt further accesses to the SD card as well as flash the battery ...

Page 26: ...he 16 bit external ADC U30 by the analog reference regulator U13 ANALOG_REF is also derived from this signal NON VOLATILE DATA STORAGE 32 Kbytes of non volatile data storage is provided by EEPROM U4 ADDITIONAL DATA STORAGE 32 Kbytes of additional temporary data storage is provided by U36 This RAM memory is accessed by an SPI port NOTE Refer to Alice PDx Digital Board Schematic sheet 2 located in t...

Page 27: ...zardous condition to occur OVERCURRENT PROTECTION Overcurrent protection is provided by positive temperature coefficient thermistor F1 REVERSE POLARITY PROTECTION Protection of the device from the application of reverse polarity is provided by P channel MOSFET Q1 An RC network at the gate of Q1 provides a slow turn on of power to the VBATT bus This slow turn on feature limits the charging current ...

Page 28: ...es Replace Battery PCA Memory Card outline icon flash Yellow LED flash Memory Card Missing or Bad Replace Memory Card Replace Battery PCA Replace Digital PCA Full Memory Card Icon Flash Yellow LED Flash Memory Card Full Empty Memory Card Wrench Icon Flash Yellow LED Flash Safe Error State Access error log PDX EVENTS ERROR CODE DESCRIPTION PROBABLE CAUSE CORRECTIVE ACTION 12 Configuration Component...

Page 29: ... Check Test Failed Faulty Digital PCA Replace Digital PCA 158 Watchdog Timer Timeout Faulty Digital PCA Replace Digital PCA 159 Stack Overrun Test Failed Faulty Digital PCA Replace Digital PCA 160 Main Battery Check Low Battery Faulty Battery PCA Loose flex cable Faulty Digital PCA Replace Battery PCA Replace flex cable Replace Digital PCA 161 Microcontroller Exception Detected Faulty Digital PCA ...

Page 30: ...tal PCA Replace SD card Replace Battery PCA Replace Clamshell Assembly Replace Main PCA Stack 169 Initialization Error Faulty Digital PCA Replace Main PCA Stack 170 EEPROM I O Error Faulty Digital PCA Replace Main PCA Stack 171 Comm Port I O Error Faulty Digital PCA Replace Digital PCA 174 Serial RAM I O Error Faulty Digital PCA Replace Main PCA Stack check U36 175 Pressure Sensor Error Faulty Ana...

Page 31: ...ML Event Buffer Overflow Faulty Digital PCA Replace Main PCA Stack 229 EEPROM Manufacturing Data Checksum Failure Faulty Digital PCA Replace Main PCA Stack 230 SpO2 I O Error Faulty Oximetry Module Faulty Digital PCA Faulty Analog PCA Replace Main PCA Stack 231 Reboot Limit Exceeded Faulty Digital PCA Replace Digital PCA 232 SpO2 Lost Synch Error Faulty Oximetry Module Faulty Digital PCA Faulty An...

Page 32: ... Faulty Digital PCA Replace Main PCA Stack check U18 236 UART1 Error Faulty Digital PCA Replace Main PCA Stack 237 TD Missed Sample Error Faulty Digital PCA Replace Main PCA Stack 238 EEPROM HW Data Checksum Failed Faulty Digital PCA Replace Main PCA Stack NON CRITICAL ERRORS ERROR CODE DESCRIPTION PROBABLE CAUSE CORRECTIVE ACTION ...

Page 33: ...1054417 VER 01 PAGE 28 Alice PDxTM Service Technical Reference Manual This page intentionally blank ...

Page 34: ...ual REPAIR AND REPLACEMENT For technical assistance or replacement part ordering information contact Respironics Product Support USA and Canada Phone 1 800 345 6443 Fax 1 800 866 0245 Email service respironics com International Phone 1 724 387 4000 Fax 1 800 387 5012 ...

Page 35: ...4949 Battery PCA Flex Cable Battery PCA Flex Cable 1055426 LCD w Gasket LCD Hinge Cup 1055427 Display Holder Display Holder 1055428 Clamshell Assembly Display enclosure cover Cannula and Cannula Cover Hinge Clamshell w Detent Base lock Power button Lock hook Spring compression 0 079 OD 3 81lb in Flex cable 1054923 Domestic U S and Japan 1054924 International Alice PDx Plug Kit Plug large 2x Plug s...

Page 36: ... 1 Visually inspect the outside of the device for physical damage and broken or missing parts 2 Power on the device and verify that self test begins 3 Perform repairs to the device as necessary 4 Conduct the Performance Verification Post service Testing Procedure on page 47 Additional Accessories Holster Holster 1053280 1GB SD card 2 pack 1GB SD Card x2 1053952 ...

Page 37: ...VING AND INSTALLING THE BATTERY DOOR To install the Battery Door Align the Battery Door locking tab with the slot in the Battery Enclosure and slide the Battery Door into place CAUTION Repair this device only in an ESD protected environment NOTE Upon replacing any component you must perform the Performance Verification Post Service Testing procedure Refer to page 47 for required testing after comp...

Page 38: ...sembly Refer to the following illustration FIGURE C BATTERY ENCLOSURE REMOVAL To install the Battery Enclosure 1 Be sure the Battery PCA is properly seated in the Battery Enclosure Cover 2 Align the Battery Enclosure with the Battery PCA Battery Enclosure Cover Assembly and properly seat the Battery Closure in place 3 Secure the Battery Enclosure with the four screws previously removed 2 5 in lbs ...

Page 39: ... oriented in the Battery Enclosure Cover and that the Ribbon Cable is properly routed through the slot in the Battery PCA 2 Align the Battery PCA with the Battery Enclosure Cover Refer to Figure D 3 Connect the Ribbon Cable to the P5 connector on the Battery PCA 4 Assemble the remainder of the Alice PDx as necessary CAUTION Handle the Ribbon Cable delicately so as not to damage it P5 Connector Dur...

Page 40: ...e Battery Enclosure Cover part of the Clamshell Assembly FIGURE E POWER BUTTON REMOVAL INSTALLATION ENTIRE CLAMSHEELL ASSEMBLY NOT SHOWN To install the Power Button 1 Place the Power Button in the opening of the Battery Enclosure Cover Ensure the raised center of the Button is seated in the opening of the Battery Enclosure Cover and the Button s notch is prop erly oriented 2 Assemble the remainder...

Page 41: ...en the Alice PDx to expose the LCD 2 Remove the four Rubber Mounts to expose the four screws that secure the Display Enclosure to the Display Enclosure Cover 3 Remove the four screws that secure Display Enclosure to the Display Enclosure Cover FIGURE F DISPLAY ENCLOSURE REMOVAL 2 5 in lbs x2 2 5 in lbs x2 Rubber Mounts x2 Rubber Mounts x2 ...

Page 42: ...e Display Enclosure FIGURE G DISPLAY ENCLOSURE REMOVAL INSTALLATION CAUTION A Ribbon Cable is connected between the Patient Event Button in the Display Enclosure and the Main PCA Stack Slightly separate the Display Enclosure from the Clamshell Assembly then disconnect the Ribbon Cable from the J10 connector on the Digital PCA Unlock this connector J10 to disconnect the ribbon cable Ribbon cable Di...

Page 43: ...ay Enclosure to the Display Enclosure Cover using the four screws removed dur ing the disassembly process 4 Install the Rubber Mounts as shown previously in Figure F 5 Assemble the remainder of the Alice PDx as necessary CAUTION Be sure the Ribbon Cables are routed so as not to be damaged during assembly of the Alice PDx J10 connector on Digital PCA Side View Proper Alignment of the Ribbon Cable P...

Page 44: ...located on the under side of the Digital PCA Not that the LCD Ribbon Cable is locked into the connector 4 Disconnect the Sensor Tube located on the Analog PCA from the Cannula Port 5 Lift the Main PCA Stack out of the Display Holder CAUTION The image shown in Figure I is provided for your convenience and to illustrate the components included with the Main PCA Stack The Main PCA Stack is assembled ...

Page 45: ...nnector shown in the following illustration is in the unlocked position It must be in the unlocked position when removing and connecting the LCD Ribbon Cable Insulator LCD Ribbon Cable connects to J4 on the Digital PCA IMPORTANT CABLE MUST BE ROUTED AND FOLDED AS SHOWN Digital PCA P4 Connector Display Holder J4 Connector Sensor Tube ...

Page 46: ...la Port 2 Seat the Main PCA Stack in the Display Holder Be sure the Ribbon Cables are not pinched and are routed for connection in the following steps 3 Connect the LCD Ribbon Cable to the J4 Connector on the Digital PCA 4 Connect the Flex Cable to the P4 Connector on the Digital PCA 5 Assemble the remainder of the Alice PDx as necessary ...

Page 47: ...ay Holder out of the Display Enclosure Cover 4 Remove the Display from the Display Holder The Display is equipped with a non removable Rib bon Cable FIGURE K LCD AND DISPLAY HOLDER To install the Display Holder with Display LCD 1 Install the foam on the Display Holder as shown in Figure L 2 Install the Display in the DIsplay Holder as shown above in Figure K 3 Assemble the remainder of the Alice P...

Page 48: ...m that was installed in earlier versions of the Alice PDx Remove foam from LCD Do not touch LCD with bare fingers Snap Display into Display Enclosure Cover Be sure the Flex Cable does not get caught or pinched between plastic parts Remove protective Film inside of Display Cover Position Hinge Cup in the Enclosure Cover Connect Sensor Tube to Cannula Port ...

Page 49: ... Cannula Port mount 4 Remove the Cannula Port FIGURE M CANNULA PORT REMOVAL INSTALL To install the Cannula Port 1 Place the Cannula Port the opening in the Display Enclosure as shown in Figure M 2 Place the Cannula Port cover over the Cannula Port and snap it into place to secure the Cannula Port 3 Assemble the remainder of the Alice PDx as necessary Cannula Port Cover Cannula Port Place Cannula P...

Page 50: ... removal instructions if necessary 4 Remove the Power Button Refer to page 35 for removal instructions if necessary 5 Remove the Display Enclosure Refer to page 36 for removal instructions as necessary 6 Remove the Main PCA Stack Refer to page 39 for removal instructions as necessary 7 Remove the Display Holder w Display Refer to page 42 for removal instructions as necessary 8 Remove the Cannula P...

Page 51: ...mild detergent Squeeze the cloth to remove excess water Gently wipe the cloth over the device and holster Then dry with a clean dry cloth CARRYING CASE Surface clean with a moist cloth If necessary use a mild detergent and then remove the detergent solution with a damp cloth Do not use bleach Allow to air dry LANYARD Hand wash in cold water with a mild detergent Do not use bleach Hang to dry or tu...

Page 52: ...Card is correctly inserted in the SD Card Slot Indicate Pass or Fail on the data sheet 4 Verify that the Alice PDx device is powered ON and that the error indication symbol is not visible If the error indication symbol is visible and flashing power OFF the device and replace the Main PCA Stack Refer to page 39 for replacement procedures Indicate Pass or Fail on the data sheet Tools Equipment Part ...

Page 53: ...ur computer and follow the on screen instruc tions e After installation is complete create all of the data locations needed see Sleepware s online help for details f As Administrator change the security rights attached to any other data locations you ve cre ated to allow all users full control of these directories You can also change the user type back to restricted on the computer if necessary Re...

Page 54: ...with leads to the Alice Pdx Device and ensure indicator stops blinking 14 Test the Effort Belts by expanding and contracting the belts Indicate Pass or Fail on the data sheet 15 Test the Nasal Cannula by breathing into or forcing air through the Nasal Openings Indicate Pass or Fail on the data sheet 16 Test the Thermistor by rubbing the end tips to generate heat Indicate Pass or Fail on the data s...

Page 55: ...1054417 VER 01 PAGE 50 Alice PDxTM Service Technical Reference Manual This page intentionally blank ...

Page 56: ...___________ Test Step Pass Fail Completed Physical Inspection 1 N A Install New Batteries 2 N A N A SD Card 3 N A Turn ON No Errors 4 N A Sleepware Installation 5 N A N A Communications 6 N A Add Device 7 N A Effort Belts 9 14 N A Nasal Cannula 10 15 N A Thermistor 10 16 N A Pulse Oximeter 11 17 N A ECG 12 18 19 N A EXG 13 20 21 N A Patient event 22 24 N A Erase SD Card 25 N A N A Tested By Print ...

Page 57: ...1054417 VER 01 PAGE 52 Alice PDxTM Service Technical Reference Manual This page intentionally blank ...

Page 58: ...which they are intended The schematics are intended to satisfy administrative requirements only They are not intended to be used for component level testing and repair Any changes of components could effect the reliability of the device prohibit lot tracking of electronic components and void warranties Repairs and testing are supported only at the complete board level The schematics are of the rev...

Page 59: ...J16 Q ANALOG_REF 15 J16 O R262 1 00K 12 J16 L 13 J16 M 3 J16 C LEFT ARM INPUT 1 J16 A 2 J16 B R1 1 00K AGND R486 100K 3 3V_ANA ANALOG_REF 3 4 5 BAS40DW 04 CR1 B AGND AGND ANALOG_REF 6 1 2 BAS40DW 04 CR1 A 3 3V_ANA ECG_GOOD 680pF C8 R4 187K AGND 10uF C2 1UF C11 AGND 3 3V_ANA 3 3V_ANA 3 3V_ANA ANALOG_REF ECG_I 14 J16 N 19 J16 S 4 J16 D 11 J16 K R261 1 00K AGND 2 1 3 ESD8V0L2B 03L CR34 2 1 3 ESD8V0L2...

Page 60: ... C20 NET00063 ANALOG_REF ANALOG_REF ANALOG_REF LEFT LEG 5 J16 E AGND 3 3V_ANA AGND R55 20 0K 01uF C25 3 3V_ANA C 680pF C18 R56 1 18K 3 3V_ANA R50 10M 3 3V_ANA 1 11 4 3 2 AD8609 U12 A R49 28 7K ANALOG_REF 3 3V_ANA 47uF C15 01uF C16 R110 6 81K 6 J16 F R24 10M 01uF C26 3 4 5 BAS40DW 04 CR2 B 6 1 2 BAS40DW 04 CR2 A R25 10M R53 187K 1uF C12 AGND 01uF C13 AGND AGND 3 3V_ANA 2 1 3 ESD8V0L2B 03L CR8 5 8 9...

Page 61: ...GND 1uF C45 R139 28 7K A 4 RIGHT LEG ELECTRODE ANALOG_REF ANALOG_REF 8 J16 H 7 J16 G R10 1M ECG_V_INPUT 9 J16 I V_ELECTRODE AGND 3 3V_ANA AGND 3 4 5 BAS40DW 04 CR3 B SPARE R147 4 75K ANALOG_REF R153 10M 47uF C95 AGND 3 3V_ANA AGND 3 3V_ANA 10 J16 J R3 1M R26 1M 2 1 3 ESD8V0L2B 03L CR9 01uF C29 33pF C203 R144 20 0K 3 3V_ANA AGND 3 3V_ANA C46 10uF 10V R152 1 18K 7 11 4 5 6 AD8609 U16 B R141 3 92K A ...

Page 62: ...A R65 2M AGND ANALOG_REF AGND ANALOG_REF ANALOG_REF ANALOG_REF ANALOG_REF ANALOG_REF EEG_N1_A1 01uF C31 4 J7 D 2 J7 B 1 J7 A 100pF C151 A 150 AGND AGND 1UF C159 01uF C132 1UF C158 3 2 ESD8V0L2B 03L CR19 B 330pF C37 AGND R31 6 81K C34 10uF 10V 1uF C33 3 3V_ANA R68 162K 3 3V_ANA AGND R59 27 4K AGND 01uF C59 3 3V_ANA 01uF C71 R75 113K 3 3V_ANA ANALOG_REF R61 39 2K 7 11 4 5 6 AD8609 U2 B AGND 3 3V_ANA...

Page 63: ...NA AGND 47uF C77 R109 10M R102 39 2K R96 10M AGND R84 2M R97 2M AGND ANALOG_REF ANALOG_REF ANALOG_REF ANALOG_REF ANALOG_REF ANALOG_REF R221 1 00K R217 1 00K R218 1 00K AGND 100pF C180 A 150 AGND 3 1 ESD8V0L2B 03L CR14 A AGND 3 2 ESD8V0L2B 03L CR16 B 100pF C179 AGND A 150 330pF C43 AGND 47uF C74 R39 309K 1uF C39 AGND R99 162K 3 3V_ANA 3 3V_ANA R86 162K R94 22 6K 01uF C89 R101 113K 3 3V_ANA 7 11 4 5...

Page 64: ...EEG_R1_R2 ACTI LOOPBACK 25 J7 Y SHIELD 22 J7 V EXG LOOPBACK 19 J7 S 18 J7 R 15 J7 O 17 J7 Q 12 J7 L AGND R259 1 00K 01uF C140 3 1 ESD8V0L2B 03L CR15 A AGND R158 6 81K 3 3V_ANA ACT DATA OUT 14 11 4 12 13 AD8609 U28 D AGND 47uF C155 3 3V_ANA R266 1 00K 3 2 ESD8V0L2B 03L CR18 B ANALOG_REF R257 10M R251 39 2K ANALOG_REF AGND 3 3V_ANA R492 100K EEG ACT 20 J7 T R264 1 00K 21 J7 U 9 J7 I 16 J7 P 01uF C13...

Page 65: ...J7 M AGND 11 J7 K AGND 10 J7 J AGND 8200pF C281 AGND 8200pF C167 ANALOG_REF 1000pF C200 8200pF C169 120pF C264 R359 2 37K 120pF C56 R253 9 53K AGND 3 3V_ANA AGND AGND 47uF C284 3 3V_ANA AGND 3 3V_ANA AGND AGND 47uF C152 01uF C153 3 3V_ANA ANALOG_REF 3 3V_ANA ANALOG_REF 3 3V_ANA 01uF C138 01uF C137 01uF C125 01uF C126 3 1 ESD8V0L2B 03L CR12 A R398 3 92K 8200pF C282 1000pF C201 3 1 ESD8V0L2B 03L CR1...

Page 66: ...V_ANA AGND AGND A 5 AGND 3 3V_ANA EMG3 A 1 EMG3 AGND 8200pF C177 8200pF C166 1000pF C202 AGND 120pF C50 R70 9 53K 01uF C90 AGND 47uF C80 R71 39 2K 01uF C68 AGND C49 10uF 10V ANALOG_REF ANALOG_REF EMG3 3 2 ESD8V0L2B 03L CR5 B 100pF C189 AGND 100pF C188 3 1 ESD8V0L2B 03L CR5 A AGND 3 3V_ANA 1UF C67 8 11 4 10 9 AD8609 U13 C 3 3V_ANA AGND R93 56 2K A 4 3 3V_ANA ANALOG_REF R105 10M R92 13 7K 23 J7 W 24...

Page 67: ...M AGND AGND AGND AGND R52 100K R19 100K 1uF C119 AGND R163 56 2K 1uF C109 AGND R173 1M 3 3V_ANA AGND 1uF C112 R176 332K R181 10 0K INDUCTIVE EFFORT BELT 1 ANALOG_REF IND_BELT_1_GOOD IND_BELT_1 AGND R479 2 2M 01uF C85 AGND 3 3V_ANA AGND 1uF C103 R166 332K LOW WHEN BELT NOT CONNECTED AGND 1uF C105 1UF C117 1 11 4 3 2 AD8609 U21 A 3 3V_ANA 3 3V_ANA 3 2 1 J13 1uF C110 4 2 5 3 1 NJU7109F3 U19 R481 510 ...

Page 68: ...AGND R174 1M AGND 022uF C76 R120 100K R119 100K 220pF C27 1uF C120 R118 510 ANALOG_REF AGND INDUCTIVE EFFORT BELT 2 R482 510 AGND 3 3V_ANA AGND 1uF C106 R169 332K AGND 1uF C108 1UF C118 R484 100K 3 3V_ANA R488 1M 3 3V_ANA 3 3V_ANA AGND 3 3V_ANA IND_BELT_2 3 2 1 J15 R480 2 2M 4 2 5 3 1 NJU7109F3 U34 1uF C121 1uF C116 1 GND 3 OUT 2 TRIG 4 RS 6 TSHLD 8 VCC 7 DSCH 5 CRTL LMC555CM U27 AGND 22PF C114 R1...

Page 69: ...D 6800pF C144 1000pF C148 PRESS_ANALOG ANALOG_REF BUFF_PRESS_SDA ANALOG_REF A 82 PRESS_RESP A 5 R87 10 0K FL 194 Hz AGND BUFF_PRESS_SCL AGND 47uF C81 01uF C88 AGND ANALOG_REF 3 3V_ANA 01uF C146 AGND R28 21 5K AGND AGND R47 14 0K R54 232K 3 3V_ANA 3 3V_ANA ANALOG_REF AGND 7 11 4 5 6 AD8609 U23 B 10 0K R27 3 3V_ANA ANALOG_REF AGND A 4 R117 54 9K 3 3V_ANA 1000pF C135 1uF C63 R95 10 0K C99 10uF 10V 10...

Page 70: ... R327 100K 3 3V_DIG R328 100K R330 100K R336 100K AGND AGND MICRO_RTS Data 1 J14 A 2 J14 B 3 J14 C R334 100K 1000pF C217 1uF C205 AGND AGND CABLE_TYPE_1 MICRO_CTS Cable Sense 2 Cable Sense 1 R331 1 00K 1000 OHMS 100 MHZ E4 R326 1 00K 1000 OHMS 100 MHZ E3 R333 1 00K DGND R329 100K MICRO_RX MICRO_TX 2 1 3 ESD8V0L2B 03L CR37 MICRO_RTS Cable Sense 0 1000pF C216 R325 1 00K 1000 OHMS 100 MHZ E5 R332 1 0...

Page 71: ...J1 F 7 J1 G 4 J1 D 2 J1 B 3 J1 C 3 3V_DIG AGND AGND AGND AGND 18 J2 R 19 J2 S 20 J2 T 14 J2 N 15 J2 O 16 J2 P 10 J2 J 11 J2 K 12 J2 L 8 J2 H 7 J2 G 6 J2 F 4 J2 D 3 J2 C 2 J2 B TO DIGITAL BRD CONN 2 3 3V_ANA DGND 1uF C210 01uF C213 3 3V_ANA 1uF C212 3 3V_DIG SPO2 DGND 17 J1 Q 13 J1 M 9 J1 I 5 J1 E 1 J1 A 17 J2 Q 13 J2 M 5V 9 J2 I 5 J2 E 1 J2 A AGND 7 8 3 4 5 1 2 6 9 10 12 13 14 16 15 11 J35 OEM_III...

Page 72: ...OD ADXL_ST ANALOG_REF VREF ANALOG_REF R1 100 THERMISTOR R12 100K 1uF C54 AGND 2 1 3 CR1 ESD8V0L2B 03L R146 2M AGND R293 10 0K FL 159 Hz C166 1uF 16V A 21 3 3V_ANA AGND 01uF C49 3 3V_ANA AGND AGND 3 3V_ANA AGND AGND ADC_ CS SCK2 SDI2 SDO2 10uF C67 AGND 01uF C55 C210 47uF 1uF C50 AGND AGND 1uF C52 1uF C53 AGND 1 4 8 3 2 U38 A AD8607ARM R2 R294 100K 1uF C211 7 4 8 5 6 U38 B AD8607ARM R2 ANALOG REF 10...

Page 73: ...F C140 VBATT AGND BAT_MON PGND PGND R238 60 4K R241 200K PGND R231 60 4K AGND 3 3V_ANA 10uF C147 10uF C148 22PF C151 R243 3 24M 5V C143 015uF R239 15 0K R233 15 0K PGND 5VA R315 100K PGND POWER 10uF C137 3 3V_ANA 10uF C145 7 4 SH 3 VIN 1 SW 2 GND 5 FB 6 VOUT U6 LTC3526B 10uH L3 R204 200K 7 4 8 5 6 U39 B AD8607ARM R2 E17 1000 OHMS 100 MHZ C142 015uF E19 1000 OHMS 100 MHZ 1uF C193 10uF C141 10uF C14...

Page 74: ...2 1 3 CR4 ESD8V0L2B 03L 1uF C189 10uF C25 1 GND 2 GND 4 VIN 3 NC 5 NC 6 VOUT U13 LT1790BCS6 3 0 DGND DGND 1 J10 A R160 3 32K 1uF C188 R70 100K 3 3V_ANA R80 100K LED_GRN ACT_UART_RESET SD_WRITEPROTECT SD_CARD_DET 3 J5 C 4 J5 D LED_YEL 1 J5 A 2 J5 B 8 J5 H 6 J5 F 2 1 3 CR3 ESD8V0L2B 03L 5 J5 E 7 J5 G 2 SO 3 NC 4 VSS 5 SI 6 SCK 7 HOLD 1 CS 8 VCC U36 N256S0830HDAT220I 2 E1 3 E2 4 GND 5 SDA 6 SCL 7 WC ...

Page 75: ...1K DGND 3 3V_DIG DGND R267 1 00K 1uF C195 DGND DGND DGND R117 100K 5VA 1uF C194 R118 4 53K R119 4 53K ACT_UART_IRQ PRESS_SDA PRESS_SCL ACT_UART_TX ACT_UART_RX ACT_UART_RESET 22PF C183 PRESS_SDA PRESS_SCL R269 1 00K 5VA 7 IRQ 8 12C 3 A1 4 N C 5 SCL 1 VDD 2 A0 6 SDA 9 VSS 10 RTS 12 TX 13 RX 14 RESET 16 XTAL2 15 XTAL1 11 CTS U1 SC16IS740IPW 3 SCL1 4 SDA1 1 GND 5 SDA2 6 SCL2 7 VREF2 2 VREF1 8 EN U3 PC...

Page 76: ...P1 F 5 P1 E 4 P1 D 2 P1 B 1 P1 A 3 3V_DIG 3 3V_DIG R5 10 0K R4 10 0K DGND 5V 3 3V_ANA DGND 7 J4 G 6 J4 F 4 J4 D 3 J4 C TO LCD 2 J4 B 5VA 20 P3 T 17 P3 Q 16 P3 P 18 P3 R 14 P3 N 13 P3 M 12 P3 L 8 P3 H 9 P3 I 10 P3 J 6 P3 F 4 P3 D 5 P3 E 3 3V_ANA 2 P3 B 1 P3 A TO ANALOG BRD CONN 3 DGND DGND E13 C 1000 OHMS 100 MHZ E13 A 1000 OHMS 100 MHZ 13 P4 M E11 C 1000 OHMS 100 MHZ E11 A 1000 OHMS 100 MHZ 9 P4 I...

Page 77: ... 3V_CTRL DGND This line pulses low when alarm time is reached PWR_SW DGND Pushing the Power button causes this line to go low Logic high here turns off power supplies DGND 1uF C220 R494 10 0K Logic low here turns power supplies on 1uF C221 5V_CTRL 3 2 4 1 Y1 32 768 KHZ 1uF C219 CR10 2 1 6 Q2 A FDG6303N 5 4 3 Q2 B FDG6303N SPARES Logic low on this line turns power supplies on DGND DGND 6 1 2 BAS40D...

Page 78: ...00 OHMS 100 MHZ E6 C 1000 OHMS 100 MHZ E6 A 1000 OHMS 100 MHZ E5 B 1000 OHMS 100 MHZ E4 D 1000 OHMS 100 MHZ E4 C 1000 OHMS 100 MHZ E4 A 1000 OHMS 100 MHZ E3 D 1000 OHMS 100 MHZ E2 D 1000 OHMS 100 MHZ E2 C 1000 OHMS 100 MHZ E2 A 3 3V_DIG LED_GRN VBATT PWR_SW POWER R24 100K 3 3V_DIG DGND 1000pF C6 1000pF C5 2 1 3 ESD8V0L2B 03L CR1 C3 DGND 2 1 3 ESD8V0L2B 03L CR6 C2 2 1 3 ESD8V0L2B 03L CR5 C1 3 AA BA...

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Page 80: ...REORDER NO 1054417 VER 01 TMF 05 28 2008 Alice PDxTM Service Technical Reference Manual ...

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