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Servo Screen 390

26

E382 E394E 061 01 02 02

Siemens-Elema AB

4

4. Service procedures

General

This chapter describes, step-by-step, some
service procedures that may be necessary
to perform on the Servo Screen 390. Some
of these service procedures require dis-
assembling the Servo Screen 390. If so,
please see chapter 3, “Disassembly and
assembly” for instructions.

Before disassembling or assembling the
Servo Screen 390, make sure that all
connection cables are disconnected from
the connection ports of Servo Screen
390.

After any service intervention in the
Servo Screen 390, perform a Functional
check according to the instructions in the
Operating manual.

Summary of Contents for Servo Screen 390

Page 1: ...Servo Screen 390 Service Manual E382 E394E 061 01 02 02 ...

Page 2: ...h Computer board PC 1835 and a software memory card of CompactFlash type All information in this Service Manual is valid for both versions unless stated otherwise Hazard notices Make sure that all cables are disconnected from the connection ports when disassembling or assembling the Servo Screen 390 Service When working with ESD sensitive compo nents always use a grounded wrist band and grounded w...

Page 3: ...382 E394E 061 01 02 02 3 Siemens Elema AB Contents 1 Introduction 5 2 Description of functions 11 3 Disassembly and assembly 17 4 Service procedures 25 5 Troubleshooting 37 6 Index 41 7 Diagrams 45 1 2 3 4 5 6 7 Contents ...

Page 4: ...Servo Screen 390 4 E382 E394E 061 01 02 02 Siemens Elema AB Notes Notes ...

Page 5: ... 390 E382 E394E 061 01 02 02 5 Siemens Elema AB 1 Introduction 1 1 Introduction General 6 Hardware overview 7 Main sections 8 Display section 8 Computer section 9 Firmware software overview 9 Firmware 9 Software 9 ...

Page 6: ...rameter information from the ventilator It provides information on system and patient conditions logically assembled in a way that presumes presentations including curves Servo Screen 390 does not control the ventilator or any other medical equipment Servo Screen 390 is compatible with the following ventilator systems Servo Ventilator 300 300A Servo Ventilator 900C E systems that use Servo Compute...

Page 7: ...nerator in the form of an easy to use knob 3 which can be only turned or pressed A removable software memory card under the protective cover 4 for easy software updates More information about software upgrading can be found in the chapter 4 Service procedures Connection ports as follows KBD port 5 for connection of a keyboard For service use only PRINTER port 6 for connection of a printer COM port...

Page 8: ...2 The support arm 3 is always used to mount the Servo Screen 390 on a ventilator cart or wall rail Display section The anti reflex coated front panel filter 4 protects the display 5 and makes it easy to keep the display clean To reduce EMC radiation to the environ ment a cover plate 6 is mounted at the rear of the display SS 032X 3 1 2 SS 033X 4 5 6 1 Introduction 1 ...

Page 9: ...ribution and display interface A fan 9 inside the computer unit provides forced air cooling for the PC boards The fan has a rubber suspension to reduce noise Firmware software overview Firmware The SS390 BIOS on the computer board initializes the system and starts the application software The SS390 BIOS can be upgraded if required Software The operating system and the Servo Screen application soft...

Page 10: ...Servo Screen 390 10 E382 E394E 061 01 02 02 Siemens Elema AB Notes 1 Introduction 1 ...

Page 11: ...tor 300 300A 12 With Servo Ventilator 900C E 12 Adapter board 13 General 13 Voltage distribution 13 Signal adaption 13 Brightness control 13 Fan control 13 Board identity 13 Internal power cable 13 ON OFF switch 14 Display connection cable 14 Fan 14 Computer board 14 General 14 Software memory card 15 Battery 15 Pulse generator 16 Connection ports 16 Display 16 ...

Page 12: ...output N78 Connector N78 is described output signals and limitations in the Servo Ventilator 300 300A Service Manual With Servo Ventilator 900C E The power supply is connected to the power inlet port PWR P21 on Servo Screen 390 The internal power cable connects the power inlet port to the ADAPTER BOARD at P18 The PWR port is described in chapter 7 Diagrams Power to the Servo Screen 390 is supplied...

Page 13: ... signals from the COMPUTER BOARD PC 1662 PC 1835 to the display are adapted in this block and furthered to the main block DISPLAY via P20 Brightness control The brightness in the display can be selected using the SYSTEM MENU in the application software The selected brightness is then controlled via this block and furthered to the main block DISPLAY via P19 When exchanging PC 1663 a setting of the ...

Page 14: ...TAGE FUNCTION MONITORING INTERNAL MEMORY The size of the internal memory is optimized for the software version The internal memory is mounted on a standard socket and can be replaced if required by future software upgrades VIDEO MEMORY ON OFF switch The ON OFF SWITCH turns the power supply to the Servo Screen 390 on or off This is the only device for turning the unit on or off No other action is n...

Page 15: ...APTER BOARD via P5 Software memory card The SOFTWARE MEMORY CARD contains the operating system and the Servo Screen 390 application software Loading of the soft ware into the INTERNAL MEMORY is initialized by the SS390 BIOS during start up There are two different versions of the SOFTWARE MEMORY CARD PC Card used on PC 1662 CompactFlash card used on PC 1835 Note As patient related TRENDS and unit r...

Page 16: ...t is prepared for possible future versions with other display types Pulse generator The PULSE GENERATOR with its CONTROL KNOB physically mounted as a part of the display section is the only necessary device available to a clinical user for operating the application software The pulse generator itself does not include any functions other than interaction with the software Connection ports All CONNE...

Page 17: ...isplay section from the computer section 19 Assembling the display section with the computer section 19 Disassembling the display section 20 Pulse generator 20 Display 20 Front panel filter 21 Assembling the display section 21 Disassembling the computer section 22 Computer board PC 1662 PC 1835 and Adapter board PC 1663 22 Fan 23 Assembling the computer section 23 ...

Page 18: ...form a Functional check according to instructions in the Operating manual Handling PC boards The PC boards contain components that are highly sensitive to static electricity Those who come into contact with circuit boards containing sensitive components must take certain precautions to avoid damaging the components ESD protection When working with ESD sensitive components always use a grounded wri...

Page 19: ...n PC 1662 and connectors N1 N2 and N3 at the rear of the display accessible Disconnect the connectors mentioned above The display section is now separated from the computer section Assembling the display sec tion with the computer section The procedure for assembling the display section with the computer section is the reverse of the separation procedure described above Make sure that the rubber s...

Page 20: ...d Pull off the control knob 1 from the pulse generator shaft Remove the nut 2 and the washer 3 and lift off the pulse generator 4 Display Separate the display section from the computer section as previously described Remove the four nuts 1 and the eight washers 2 and 3 Lift off the complete display 4 Note the four spacers 5 Make sure that they are mounted when assembling the display SS 036X 1 2 3 ...

Page 21: ...ntrol knob from the pulse generator shaft Remove the rubber sealing strips 1 Remove the screws 2 holding the bars 3 Lift off the bars 3 and the copper plates 4 Lift off the support plate 5 including the display Lift off the front panel filter 6 Assembling the display section The procedure for assembling the display section is the reverse of the disassembly procedure described above SS 038X 6 5 4 3...

Page 22: ...connect the battery connector N0 from P13 P14 on PC 1662 PC 1835 Note Computer setup information stored in the CMOS RAM and for PC 1662 also information stored in the SRAM will be erased when the battery is disconnected Factory default settings will be used next time the Servo Screen 390 is turned on Remove the two nuts 2 and washers 3 Remove the two screws 4 holding PC 1662 PC 1835 Carefully lift...

Page 23: ... until the Startup display appears and the startup beep sounds this may be due to an undefined brightness value stored on the Adapter board This may be the case after exchange of Adapter board PC 1663 Adjust the brightness setting as follows Set the power switch to On and wait until the Main menu icons are visible Select SYSTEM DATA and CHANGE SET UP Change the Brightness level at least one step S...

Page 24: ...Servo Screen 390 24 E382 E394E 061 01 02 02 Siemens Elema AB 3 3 Disassembly and assembly Notes ...

Page 25: ...s code 27 Service information display 28 Event list 28 Battery change confirmation 29 Using a keyboard 30 Replacing the software memory card 31 Replacing the SS390 PROM on PC 1662 32 Upgrading the SS390 FLASH on PC 1835 32 Replacing the internal memory 33 Replacing the battery 34 Replacing the fuse 35 Adjusting the support arm 36 Joint 36 Rail clamp 36 ...

Page 26: ... service procedures require dis assembling the Servo Screen 390 If so please see chapter 3 Disassembly and assembly for instructions Before disassembling or assembling the Servo Screen 390 make sure that all connection cables are disconnected from the connection ports of Servo Screen 390 After any service intervention in the Servo Screen 390 perform a Functional check according to the instructions...

Page 27: ...laced Service Access Code The Service Access Code is intended only as a separator between clinical use and technical use of the Servo Screen 390 It is not a secret or personal code and it cannot be changed Select the SERVICE MENU as described in the Operating Manual Enter the Service Access Code on the numerical entry keypad displayed on the Servo Screen 390 The Service Access Code is 300 Turn the...

Page 28: ...ill also show the SS390 BIOS version and the application software version of the Servo Screen 390 Event list The event list in Servo Screen 390 logs technical errors abnormal events and displayed messages Enter the Service Menu using the Service Access Code as previously described Turn the control knob until the EVENT LIST icon is marked Press the control knob The event list is now displayed Use t...

Page 29: ...onnected Note It is not recommended to re connect a used battery and perform the necessary Battery change confirmation The fixed time interval until next appearance of the Replace Servo Screen 390 battery is selected for a fully charged battery Confirm battery change as follows Connect the Servo Screen 390 to a ventilator Start the ventilator and the Servo Screen 390 Check that the Time and Date s...

Page 30: ... Left arrow key Turning the control knob counter clockwise Right arrow key Turning the control knob clockwise Enter key Pressing the control knob The keyboard can be used when trouble shooting a possible malfunction in the control knob function for example If there is a malfunction when using the control knob pulse generator and this malfunction does not appear when using a connected keyboard the ...

Page 31: ...n Push the software memory card into the slot Mount the protective cover 1 The software memory card is now replaced Perform a Functional check according to the instructions in the Operating Manual There are two different versions of the software memory card PC Card used on Servo Screen 390 equipped with Computer board PC 1662 CompactFlash used on Servo Screen 390 equipped with Computer board PC 18...

Page 32: ...the old SS390 PROM 1 mounted at the rear of PC 1662 Mount the new SS390 PROM into the socket Make sure that it is correctly mounted and that no leg has been bent or broken Assemble the Servo Screen 390 as described in chapter 3 Disassembly and assembly The SS390 PROM is now replaced Perform a Functional check according to the instructions in the Operating Manual SS 042X 1 Upgrading the SS390 FLASH...

Page 33: ...re is still the same PC 1835 is also prepared for and can in the future be equipped with SIMM chips mounted on the rear side of the PC board If so the PC board does not have to be removed when replacing the internal memory Remove the PC boards as described in chapter 3 Disassembly and assembly Remove the old SIMM chip 1 mounted on PC 1662 PC 1835 Mount the new SIMM chip into the socket Assemble th...

Page 34: ...een 390 is turned on There are two equal battery connectors connected in parallell P13 and P14 on PC 1662 PC 1835 Connect the new battery 4 to the unused connector The battery backup functions are now secured by the new battery Cut the cable tie holding the old battery to the battery cover Mount the battery cover to the new battery using a new cable tie Disconnect and remove the old battery Mount ...

Page 35: ...in chapter 3 Disassembly and assembly Separate the display section from the computer section as described in chapter 3 Disassembly and assembly Remove the old fuse 1 Insert a new fuse 3 15 A fast Assemble the Servo Screen 390 as described in chapter 3 Disassembly and assembly The fuse is now replaced Perform a Functional check according to the instructions in the Operating Manual SS 044X 1 ...

Page 36: ...ary Joint Loosen the screw 1 Tighten or loosen the screw 2 Secure the new adjustment by tightening the screw 1 Rail clamp Loosen the screw 1 Turn the lever 2 Clockwise to increase the tension in the clamp Counter clockwise to reduce the tension in the clamp Note The lever must be given either half turns or full turns Secure the new adjustment by tightening the screw 1 1 2 SS 046X SS 045X 1 2 ...

Page 37: ...Servo Screen 390 E382 E394E 061 01 02 02 37 Siemens Elema AB 5 Troubleshooting 5 Troubleshooting ...

Page 38: ...an be heard within 20 s after power on Thereafter the display may flash or will be completely illuminated A connected CRT display is not illuminated and shows no text Hardware failure Replace PC 1662 PC 1835 The display is not illuminated but a connected CRT display is illuminated and shows the start up sequence Check replace the display power and signal cables If not the above replace the display...

Page 39: ...nob does not work properly Operate the Servo Screen 390 with a connected keyboard If it works with the connected keyboard 1 Replace the control knob 2 If not the above replace PC 1662 PC 1835 If it does not work with the connected keyboard 1 Replace PC 1662 PC 1835 The start up logo does not disappear and the message LOADING SOFTWARE does not disappear within 30 s or the message SOFTWARE MISSING a...

Page 40: ...390 battery remains in the Message window although the battery has been replaced Confirm the battery replacement using the BATTERY CHANGE icon in the Service Menu If not the above replace PC 1662 PC 1835 It is not possible to set Time or Date in Servo Screen when connected to a SV 300 300A Make sure that the communication cable between Servo Screen and SV 300 300A is connected to N82 on SV 300 300...

Page 41: ...Servo Screen 390 E382 E394E 061 01 02 02 41 Siemens Elema AB 6 Index 6 Index ...

Page 42: ... D Display 7 16 20 Display connection cables 14 Display section 8 20 E ESD protection 18 Event list 15 28 F Fan 9 14 23 Fan control 13 Firmware 9 Front panel filter 8 21 Fuse 13 35 H Handling PC boards 18 I Internal memory 14 33 Internal power cable 13 K KBD port 7 Keyboard 30 M Microprocessor 14 O On off switch 7 14 P PC Card 15 31 Power supply 12 PRINTER port 7 Protective cover 7 31 Pulse genera...

Page 43: ... code 27 Service information display 28 Service menu 27 Signal adaption 13 Software 9 Software memory card 7 15 31 Software mem card interface 15 SRAM 15 SS390 BIOS 9 15 SS390 FLASH 15 32 SS390 PROM 15 32 Support arm 8 Support arm joint 36 Support arm rail clamp 36 V VENT port 7 Video memory 14 VGA controller 14 Voltage distribution 9 13 Voltage Function monitoring 14 ...

Page 44: ...Servo Screen 390 44 E382 E394E 061 01 02 02 Siemens Elema AB Notes 6 Index 6 ...

Page 45: ...Servo Screen 390 E382 E394E 061 01 02 02 45 Siemens Elema AB 7 Diagrams 7 Diagrams ...

Page 46: ...STROBE L 2 LPT_PD_0 3 LPT_PD_1 4 LPT_PD_2 5 LPT_PD_3 6 LPT_PD_4 7 LPT_PD_5 8 LPT_PD_6 9 LPT_PD_7 10 LPT_ACK L 11 LPT_BUSY 12 LPT_PE 13 LPT_SLCT COM P8 Serial communication port for communi cation with other equipment D Sub male 9 pole For future applica tions Dependent on the software version 1 DCD_1A 2 RXD_1A 3 TXD_1A 4 DTR_1A 5 GND 6 DSR_1A 7 RTS_1A 8 CTS_1A 9 RI_1A A CHASSIS_GND SS 048X 1 2 4 3...

Page 47: ...ND 1 24 V 2 24 V 3 4 5 6 7 GND 8 GND 9 10 11 12 13 14 15 A CHASSIS_GND SS 050X 5 9 1 6 SS 052X 8 9 1 15 Communication cable between SS 390 and SV 300 300A 9 pin connector 26 pin connector pin pin 5 BN 2 8 RD 3 2 WH 4 3 BU 5 7 GN 6 6 YE 7 Communication cable between SS 390 SCM 990 9 pin connector 26 pin connector pin pin 1 GN 4 2 YE 2 3 GY 3 4 PK 5 6 5 BU 7 6 8 WH 20 7 RD 8 VENT P9 N82 VENT P9 RS23...

Page 48: ... ON OFF SWITCH P16 5V 12V VOLTAGE DISTRI BUTION N18 N16 N19 DISPLAY N0 P14 BATTERY MICRO PROCESSOR VGA CONTROLLER BUS INTERFACE SRAM N12 PULSE GENERATOR INTERFACE VOLTAGE FUNCTION MONITORING VIDEO MEMORY AC POWER ADAPTER 124 From SV 300 300A If connected to SV 900C E If connected to SV 300 300A 24V POWER CABLE PWR CRT VENT COM PRINTER KBD N20 P20 SIGNAL ADAPTION BRIGHT NESS CONTROL F1 BOARD IDENTI...

Page 49: ... electronic mechanical photocopying recording or otherwise without the prior permission of the copyright owner in writing Subject to alterations without prior notice Issued by Siemens Elema AB Electromedical Systems Division SE 171 95 Solna Sweden Servo Screen 390 Service Manual Order No 63 14 251 E394E E382 E394E 061 01 02 02 Printed in Sweden Price group 5 0600 0 5 2nd English edition June 2000 ...

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