Servo Screen 390 - Frank`s Hospital Workshop
Contents
1. SS 053X e Assemble the Servo Screen 390 as described in chapter 3 Disassembly and assembly The internal memory is now replaced Perform a Functional check according to the instructions in the Operating M anual E382 E394E 061 01 02 02 Siemens Elema AB 33 4 Service procedures Servo Screen 390 SS 043X 34 Replacing the battery When the information Replace Servo Screen 390 battery is displayed in the Message window the battery must be replaced e Make sure that the Servo Screen 390 is turned off e Loosen the two screws 1 e Carefully lift off the battery cover including battery 2 but do not remove the cable connector 3 from 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 if the connector is removed In that case factory default settings will be used next time the Servo Screen 390 is tumed on e 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 e 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 e Disconnect and remove the old battery e Mount the battery cover including battery on Servo Screen2. zl SI a oc a E az SIGNAL ADAPTION lol wo VOLTAGE amp BRIGHT Z amp VIDEO FUNCTION SS390 BIOS PULSE ala MEMOR GENERATOR 5 NESS MONITORING INTEREACE iz CONTROL u CONNECTION PORTS P21 N10 P9 BATTERY n PWR If connected 24V POWER CABLE CRT to SV 300 300A AC POWER From ADAPTER SV 300 300A 124 VENT If connected to SV 900C E COM PRINTER KBD Servo Screen 390 Block diagram Servo Screen 390 Service Manual Order No 63 14 251 E394E Siemens Elema AB Electromedical Systems Division 1995 2000 All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means 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 E382 E394E 061 01 02 02 Printed in Sweden Price group 5 0600 0 5 2nd English edition June 2000
3. 390 The old battery must be disposed of according to local or national regulations Battery replacement must be confirmed in the Service Menu within the application software This is described in the section Using the Service Menu in this chapter The battery is now replaced Perform a Functional check according to the instructions in the Operating M anual Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures SS 044X E382 E394E 061 01 02 02 SAAT Replacing the fuse Before performing this service action read the sections General and Handling PC boards in chapter 3 Disassembly and assembly e Separate the display section from the computer section as described in chapter 3 Disassembly and assembly e Remove the old fuse 1 e Insert a new fuse 3 15 A fast e 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 M anual Siemens Elema AB 35 4 Service procedures Servo Screen 390 Adjusting the support arm The pre tension in the joint as well as in the rail clamp can be adjusted if necessary J oint 2 Loosen the screw 1 e Tighten or loosen the screw 2 e Secure the new adjustment by tightening the screw 1 Rail clamp e Loosen the screw 1 T
4. Card type e Serial No 10001 or higher Equipped with Computer board PC 1835 and a software memory card of CompactFlash type All information in this Service M anual is valid for both versions unless stated otherwise Siemens Elema AB 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 work surface Adequate service tools must also be used Wom out batteries must be retumed to the place of purchase or to a place where they can be safely disposed of Batteries must not be disposed of with ordinary waste All other parts shall be discarded according to hospital rules and in an environ mentally safe way Pb Functional check After any service intervention in the Servo Screen 390 perform a Functional check according to the instructions in the Operating M anual To responsible service personnel The contents of this document are not binding If any significant difference is found between the product and this document please contact Siemens for further information We reserve the right to modify products without amending this document or advising the user Only personnel authorized by Siemens shall be permitted to service or repair the Servo Screen 390 Only Siemens Elema genuine spare parts must be used PC boards spa
5. Software memory card of PC Card type is used e PC 1835 Factory mounted on Servo Screen 390 with Serial No 10001 or higher Software memory card of CompactFlash type is used The two PC boards are interchangable Refer to further information in the Spare Parts List when replacing a PC 1662 with a PC 1835 The functional blocks on the Computer BOARD PC 1662 PC 1835 are e MICROPROCESSOR 80486SX 25 MHz on PC 1662 Pentium 166 MHz on PC 1835 e VGA CONTROLLER e Bus INTERFACE including Diskette drive interface not used Hard disk interface for test purposes only Two serial ports One parallel port Keyboard controller e PULSE GENERATOR INTERFACE e VOLTAGE amp FUNCTION MONITORING INTERNAL Memory The size of the internal memory is optimized for the software version The intemal memory is mounted on a standard socket and can be replaced if required by future software upgrades e VipEo MEMORY E382 E394E 061 01 02 02 Servo Screen 390 2 Description of functions e SRAM only on PC 1662 This battery backed up memory contains software settings e g battery replacement date TRENDS and the Event List Note On PC 1835 Trenps and Event List are stored on the CompactFlash card and thus not dependent on the battery e SOFTWARE Memory CARD INTERFACE e SS390 BIOS Contains low level software BIOS drivers start up screen including software loading messages and initial pro
6. connected directly to the Computer Boarp via N5 Voltage distribution The inlet power is fused at F1 3 15 A fast Replacing the fuse is described in chapter 4 Service procedures The different voltage levels used in the Servo Screen 390 are regulated by and distributed from this block The distributed voltage levels are 1 12 V 5 max 2 6 A An overvoltage protection cuts the voltage distribution at typ 14 6 V 2 5 V 3 max 3 0 A An overvoltage protection cuts the voltage distribution at typ 6 2 V E382 E394E 061 01 02 02 Signal adaption The control 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 brightness level may be required refer to chapter 3 Disassembly and assembly section Assembling the computer section Fan control An NTC resistor on PC 1663 senses the air temperature inside the Servo Screen 390 If the air temperature inside the unit exceeds approx 53 C 127 F the fan is switched on When the temperature drops below approx 45 C 113 F the fan is switched off Board identity PC 1663 is equipped with a
7. 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 the PC boards from the computer section as much as needed to make the ON OFF switch connector N15 at P15 and the fan connector N16 at P16 on PC 1663 accessible e Disconnect the connectors mentioned above e Lift off the PC boards e Carefully separate the computer board from the adapter board Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 3 Disassembly and assembly Fan e Remove the PC boards as previously described e Remove the two nuts 1 and washers 2 holding the fan bracket and lift off the fan 3 Assembling the computer section The procedure for assembling the computer section is the reverse of the disassembly procedure described above SS 040X Normally the screen area will light up immediately when the power switch is set to On If the screen area is not lit up 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 e Set the power switch to On an
8. sure that it is correctly mounted and that no leg has been bent or broken e 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 M anual SS 042X Upgrading the SS390 FLASH on PC 1835 A Service CompactFlash card will be used to upgrade the SS390 FLASH on PC 1835 Upgrade instructions will be delivered with this Service card 32 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures Replacing the internal memory Before performing this service action read the sections General and Handling PC boards in chapter 3 Disassembly and assembly Note This procedure and illustration shows SIMM chip on PC 1662 The board PC 1835 is equipped with a different type of SIMM AT chip but the replacement procedure is still the same PC 1835 is also prepared for and o e Can in the future be equipped with SIMM chips mounted on the rear side of the PC B g board If so the PC board does not have to ac Pp be removed when replacing the internal memory e Remove the PC boards as described in chapter 3 Disassembly and assembly e Remove the old SIMM chip 1 mounted on PC 1662 PC 1835 e Mount the new SIMM chip into the socket
9. the software memory card from the memory card slot Pull out the software memory card 3 e Put the desired software memory card into the memory card slot A mechanical key on the card and in the slot prevents it from being fully inserted in a wrong position e 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 M anual 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 1835 Note As patient related TRENps and unit related Event List are stored on the CompactFlash card it is not recommended to move a CompactFlash card between different units The procedure for replacing the software memory card is the same for the two different versions Siemens Elema AB 31 4 Service procedures Servo Screen 390 Replacing the SS390 PROM on PC 1662 Before performing this service action read the sections General and Handling PC boards in chapter 3 Disassembly and assembly e Remove the PC boards as described in chapter 3 Disassembly and assembly e Use an extraction tool to remove the old SS390 PROM 1 mounted at the rear of PC 1662 e Mount the new SS390 PROM into the socket Make
10. 0 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 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 wrist band and grounded work surface Adequate service tools must also be used PC boards Spare parts must always be kept in protective packaging for sensitive electronic devices PC boards must not be inserted or removed while power is applied to the PC boards Remove and insert the PC boards very carefully to avoid damage to the connectors 18 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 3 Disassembly and assembly SS 035X E382 E394E 061 01 02 02 Separating the display section from the computer section e Remove the six screws 1 e Carefully separate the display section 2 from the computer section 3 as much as is needed to make the pulse generator connector N12 on PC 1662 and connectors N1 N2 and N3 at the rear of the display accessible e Disconnect the connectors mentioned abov
11. A or SS 390 and AC Power Adapter 124 15 pin connector 15 pin connector el pin pin N 7 YE 7 c i 8 GN 8 E x 1 BN Laua N 8 z 2 WH 2 Z gt n VENT P9 Serial communication port for communi cation with the Servo Ventilator D Sub male 9 pole 1 DCD 2A 6 DSR_2A 2 RXD 2A 7 RTS 2A 3 TXD 2A 8 CTS 2A 4 DTR2A 9 RI2A 5 GND A CHASSIS GND PWR P21 Power port for connection to a 24V power source D Sub male 15 pole 1 424V 9 2 424V We y lis 4 Ja 5 6 14 7 GND 15 8 GND A CHASSIS GND so A Connected to the metal housing of the connector E382 E394E 061 01 02 02 Siemens Elema AB 47 7 Diagrams J ADAPTER BORD PC1663 COMPUTER BOARD PC 1662 PC 1835 DISPLAY PULSE GENERATOR DISPLAY SECTION COMPUTER SECTION gt VOLTAGE 5 MICRO en DISTRI PROCESSOR UI BUTION SRAM m l 2 lt S u 45V 12V sl a ul VGA BUS El 3 z CONTROLLER INTERFACE SOFTWARE SOFTWARE ol E MEMORY MEMORY CARD L u CARD PC Card or 3 BOARD FAN INTERFACE CompactFlash Card of a IDENTITY CONTROL T
12. Boarp IDENTITY function that makes it possible for the COMPUTER Board PC 1662 PC 1835 to recognize the PC 1663 version This function is intended for possible future versions e g new types of displays Internal power cable The intemal power cable connects the PC 1663 P18 with the power inlet port PWR P21 Siemens Elema AB 13 2 Description of functions Servo Screen 390 ON OFF switch The On Off Swircr 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 needed e g when shutting down the Servo Screen 390 Display connection cables The two DisPLAY CONNECTION CABLEs connect the Apapter BoaARnp to the DisPLay One flat cable connects SIGNAL ADAPTION signals from P20 on PC 1662 PC 1835 to display connector J 1 One cable connects BRIGHTNESS CoNTROL signals from P19 on PC 1662 PC 1835 to display connectors J 2 and J 3 Fan The Servo Screen 390 is equipped with a Fan The fan is controlled by the block Fan CONTROL The purpose of this fan is to provide forced air cooling inside the unit The air stream enters through the ventilation holes in the lower part of the unit and exits through the ventilation holes in the upper part of the unit 14 Siemens Elema AB Computer board General There are two different versions of the COMPUTER BOARD e PC 1662 Factory mounted on Servo Screen 390 with Serial No 10000 or lower
13. Elema AB 29 4 Service procedures Servo Screen 390 Using a keyboard A standard AT keyboard can be connected to the Servo Screen 390 When the keyboard is connected it is ready for use No setting is needed The keyboard can be used as a substitute for the control knob pulse generator but it can also be used in combination with the control knob pulse generator The following keys are used to simulate the control knob e Left arrow key Turning the control knob counter clockwise e Right arrow key Turning the control knob clockwise e 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 error may be in the pulse generator or in the pulse generator interface The keyboard can also be used in combi nation with the on screen keyboard when entering or changing a patient ID Only upper case letters will be displayed in the Patient ID field 30 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures SS 041X E382 E394E 061 01 02 02 Replacing the software memory card e Make sure that the Servo Screen 390 is tumed off e Remove the protective cover 1 e Push the button 2 to release
14. GND 8 LPT PD 6 21 GND 9 LPT PD 7 22 GND 10 LPT ACKL 23 GND 11 LPT BUSY 24 GND 12 LPT PE 25 GND 13 LPT SLCT A CHASSIS GND COM P8 1 5 Serial Communication port for communi 00000 cation with other equipment cence D Sub male 9 pole For future applica 8 tions Dependent on the software version 9 6 9 1 DCD 1A 6 DSR 1A 2 RXD JA 7 RTS_1A 3 TXD IA 8 CTS JA 4 DTR1A 9 RI JA 5 GND A CHASSIS GND CRT N10 CRT port for connection of an external monitor HD D Sub female 15 pole 1 RED CRT 9 E 2 GREEN CRT 10 GND 2 3 BLUE CRT 11 4 12 5 GND 13 HSYNC CRT 6 OVA 14 VSYNC CRT 7 OVA 15 8 OVA A CHASSIS GND A Connected to the metal housing of the connector 46 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 7 Diagrams 1 5 ON coco 0000 6 9 SS 050X Communication cable between SS 390 and SV 300 300A 9 pin connector 26 pin connector pin pin 2 5 BN 2 8 RD 3 2 WH 4 5 3 BU T5 u 7 GN 6 gt YE T7 Communication cable between SS 390 SCM 990 9 pin connector 26 pin connector pin pin 1 GN 4 el Q 2 YE 2 Z 3 GY 3 ona PK 5 6 Q z 5 BU 7 N S 6 8 WH 20 n 7 RD 8 lt 00000000 0000000 SS 052X 24 V power cable between SS 390 and SV 300 300
15. SIEMENS Servo Screen 390 Service M anual E382 E394E 061 01 02 02 Important Servo Screen 390 Important General The documentation for the Servo Screen 390 consists of e Operating Manual e Service Manual Spare Parts List The Operating M anual is an indispensable complement to the Service M anual for proper servicing As the Servo Screen 390 is a part of the Servo Ventilator system there are also other documents that can be useful when servicing the Servo Screen 390 Servo Ventilator 300 300A Operating M anual Service M anual Circuit Diagram Reference Manual Computer Interface Servo Ventilator 900C E Operating M anual Service M anual Circuit Diagram Reference Manual SCM 990 Text inside a box is used to highlight important information In addition to the Important information given here and in the related documents e g in the Operating M anual always pay attention to applicable local and national regulations Responsibility for the safe functioning of the equipment reverts to the owner or user in all cases in which service or repair has been done by a non professional or by persons who are not employed by or authorized by Siemens and when the equipment is used for other than its intended purpose There are two different versions of the Servo Screen 390 e Serial No 10000 or lower Equipped with Computer board PC 1662 and a software memory card of PC
16. Siemens ElemaAB z E382E394E 061010202 Servo Screen 390 1 Introduction SS 034X E382 E394E 061 01 02 02 Computer section The two PC boards mounted in the computer section are e Computer board 7 containing micro processor SS390 BIOS intemal memory and an interface for the software memory card All connection ports except the power port are mounted on the computer board There are two different versions of the Computer board 7 PC 1662 and PC 1835 e Adapter board PC 1663 8 containing voltage distribution 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 reguired Software The operating system and the Servo Screen application software is supplied on a remov able software memory card The user interface provided by this software is described in the Operating M anual The software memory card is very easy to replace in case of future software upgrades Siemens Elema AB 9 1 Introduction Servo Screen 390 Notes 10 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 2 Description of functions 2 Description o
17. al power supply works properly e Check the fuse F1 on PC 1663 e Check replace the internal power cable connectors e Check replace the Servo Screen 390 power switch and its cable connector If none of the above replace PC 1663 e If none of the above replace PC 1662 PC 1835 e Hardware failure Replace PC 1662 PC 1835 e Check replace the display power and signal cables If not the above replace the display If none of the above replace PC 1663 e If none of the above replace PC 1662 PC 1835 E382 E394E 061 01 02 02 Servo Screen 390 5 Troubleshooting Malfunction The display is illuminated during start up but after the start up beep it goes black or shows a deformed image A connected CRT display shows anormal start up sequence and image The start up logo does not disappear and the message Loapinc Sortware does not disappear within 30 s or the message Software Missing appears The control knob does not work properly The brightness of the display can not be adjusted It is not possible to establish communication between Servo Screen 390 and an SV 300 300A or an SV 900C E E382 E394E 061 01 02 02 Action e Check replace the signal cable between PC 1663 and the display e If not the above replace the display e Replace the software memory card If not the above replace PC 1662 PC 1835 Operate the Servo Screen 390 with a connected keyb
18. andard PC The software memory card is easy to replace in case of future software upgrades See chapter 4 Service procedures Battery The lithium Battery 3 6 V is used to back up the computer setup stored in the CMOS RAM and for PC 1662 also to back up the SRAM If the battery is disconnected factory default settings will be used next time the Servo Screen 390 is started The battery must be replaced every three years The message Replace Servo Screen 390 battery in the message window indicates when the battery should be replaced A new three year period will start when the battery replacement has been confirmed with the Battery CHANGE icon in the Service MENU Replacing the battery and Battery change confirmation is described in chapter 4 Service procedures Siemens Elema AB 15 2 Description of functions Servo Screen 390 Pulse generator The Purse 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 Connection Ports except the power port are mounted on the Computer Boarp More information about the connection ports can be found in chapter 7 Diagrams Display A monochrome electro illuminating DiSPLAY is used in this versio
19. d wait until the Main menu icons are visible e Select SYSTEM DATA and CHANGE SET UP e Change the Brightness level at least one step e Select CHANGE EXIT and SAVE SET UP Save the new setting e Set the power switch to Off and wait a few seconds e Set the power switch to On and check that the screen area is lit up immediately If required repeat the steps above to set the Brightness level to the previous value E382 E394E 061 01 02 02 Siemens Elema AB 23 3 Disassembly and assembly Servo Screen 390 Notes 24 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures Service procedures General aksonia O A Qa u Shi uama 26 Using the Service Menu 27 Service ACCESS code 27 Service information display 28 EVA na osas u us 28 Battery change confirmation 29 Using a keyboard 30 Replacing the software memory card 31 Replacing the SS390 PROM GMPC TOO sneren 32 Upgrading the SS390 FLASH A r a 32 Replacing the intemal memory 33 Replacing the battery 34 Replacing the fuse 35 Adjusting the support arm 36 A am asa ushanakun asua 36 Rall Clam Ade v saat Uh ekee ve 36 E382 E394E 061 01 02 02 Siem
20. e 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 sealing strips are mounted on the display section to obtain a good seal between the sections Siemens Elema AB 19 3 Disassembly and assembly Servo Screen 390 Disassembling the display section Pulse generator e Separate the display section from the computer section as previously described Pull off the control knob 1 from the pulse generator shaft L e Remove the nut 2 and the washer 3 and I Qe lift off the pulse generator 4 SS 036X Display e Separate the display section from the computer section as previously described e Remove the four nuts 1 and the eight washers 2 and 3 e Lift off the complete display 4 e Note the four spacers 5 Make sure that they are mounted when assembling the display SS 037X i ne JA 20 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 3 Disassembly and assembly E382 E394E 061 01 02 02 Front panel filter e Separate the display section from the computer section as previously described e Pull off the control knob from
21. ens Elema AB 25 4 Service procedures Servo Screen 390 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 26 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures Using the Service Menu The Service M enu serves three purposes It gives access to the Service information display It gives access to the Event List It gives access to the Battery CHANGE icon This icon is selected to confirm that the Servo Screen 390 battery has been replaced 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 Enter Service Access Code the Operating M anual e Enter the Service Access Code on the numerical entry keypad displayed on the Servo Screen 390 The Service Acce
22. eplace Servo Screen 390 battery is displayed in the M essage window every three years Replacement is described in the section Replacing the battery in this chapter Battery replacement must be confirmed to remove the Replace Servo Screen 390 battery message This confirmation also sets the time used for controlling the apperance of the message The message will appear after startup three years after the latest Battery change confirmation or if the battery has been disconnected 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 e Connect the Servo Screen 390 to a ventilator e Start the ventilator and the Servo Screen 390 e Check that the Time and Date settings displayed in Servo Screen 390 are correct If necessary adjust according to the instructions in the Operating M anual Enter the Service Menu using the Service Access Code as previously described e Tum the control knob until the Battery CHANGE icon iS Marked e Press the control knob The battery replacement is now confirmed The message in the Message window will disappear immediately but the BATTERY CHANGE icon will not disappear until another menu is selected E382 E394E 061 01 02 02 Siemens
23. er The primary purpose of Servo Screen 390 is to provide a central location for the display of all parameter information from the ventilator It provides information on system and W 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 F gt LS Servo Screen 390 is compatible with the go following ventilator systems SS 000X e Servo Ventilator 300 300A e Servo Ventilator 900C E systems that use Servo Computer Module 990 SCM 990 More information about the compatible ventilators can be found in the chapter Technical specifications in the Operating M anual SS 001X 6 Siemens ElemaAB a FE382E394 061010202 Servo Screen 390 1 Introduction SS 002X SS 003X E382 E394E 061 01 02 02 Hardware overview Servo Screen 390 unit is a small compact ergonomically designed computer unit It is manufactured from materials suitable for use in a clinical environment and is designed specifically for integration with existing ventilator eguipment The primary features of the Servo Screen 390 are e Anelectro luminescent mono chromatic screen 1 which provides displays that are clearly visible within the bedside working area A power on off switch 2 A sin
24. f functions Gala 12 Power supply 12 With Servo Ventilator 300 300A 12 With Servo Ventilator 900C E 12 Adapter board enen 13 General znne da anus 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 Falla nia aya kan ended 14 Computer board 14 o aun ai takuna ul sake 14 Software memory card 15 OLE OY sari aiding a acne 15 Pulse generator 16 Connection ports ene 16 PA m aaa aa bs 16 E382 E394E 061 01 02 02 Siemens Elema AB 11 2 Description of functions Servo Screen 390 General The text in this chapter refers to the block diagram in chapter 7 Diagrams on the inside of the back cover Power supply With Servo Ventilator 300 300A The power supply is connected to the power inlet port PWR P21 on Servo Screen 390 The intemal power cable connects the power inlet port to the Aparrer Boarp at P18 The PWR port is described in chapter 7 Diagrams Power to the Servo Scree
25. gle operator control including a pulse generator in the form of an easy to use knob 3 which can be only tumed 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 e 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 7 for serial communication with other eguipment For future appli cations Dependent on the software version VENT port 8 for serial communication with the ventilator CRT port 9 for connection of an external monitor PWR port 10 for connection to a power source More information about the connection ports can be found in the chapter 7 Diagrams Siemens Elema AB 7 1 Introduction Servo Screen 390 Main sections Servo Screen 390 can be separated into two main sections e Display section 1 e Computer section 2 The support arm 3 is always used to mount gt the Servo Screen 390 on a ventilator cart or gt A wall rail SS 032X 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 033X B
26. gram load of the application softw are There are two different versions of the SS390 BIOS SS390 PROM mounted on PC 1662 This PROM is mounted on aPROM socket and can be upgraded replaced if reguired SS390 FLASH mounted on PC 1835 This FLASH memory can be upgraded new software downloaded if reguired Refer to chapter 4 Service procedures for furher information regarding upgrades The computer is equipped with procedures for self testing and the self test result can be displayed in the Service Menu See chapter 4 Service procedures Further functional blocks connected to the COMPUTER BOARD are e SOFTWARE Memory CARD BATTERY e PULSE GENERATOR e CONNECTION PORTS The Computer Boar is connected directly to the ApAPTER BOARD via P5 E382 E394E 061 01 02 02 Software memory card The Sormare 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 e PC Card used on PC 1662 e CompactFlash card used on PC 1835 Note As patient related TRENps and unit related Event List are stored on the CompactFlash card it is not recommended to move a CompactF lash card between different units The software on the memory card is specifically designed for Servo Screen 390 and cannot be used on a st
27. n 390 is supplied from the Servo Ventilator 300 300A auxiliary equipment 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 Aparrer Boarp at P18 The PWR port is described in chapter 7 Diagrams Power to the Servo Screen 390 is supplied from an AC Power Adapter 124 when used with a Servo Ventilator 900C E Technical specifications for the AC Power Adapter 124 Mains power supply 100 240 V Mains frequency 50 60 Hz ON OFF indication Green LED indi cates power on Output voltage range 24V DC 10 Output power max 50 W Earth leakage current normal condition IEC 601 1 1 30 A Fuse internal 2 4 A slow 12 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 2 Description of functions Adapter board General The functional blocks on the ADAPTER BOARD PC 1663 are VOLTAGE DISTRIBUTION SIGNAL ADAPTION BRIGHTNESS CONTROL FAN CONTROL BOARD IDENTITY Further functional blocks connected to the ADAPTER BOARD are INTERNAL POWER CABLE e On OFF SwitcH e DISPLAY CONNECTION CABLES Fan The ApapTer Boarp is
28. n of Servo Screen 390 Display connection cables connect the display to the block SiGNAL ADAPTION Via connector J 1 and to the block BRIGHTNESS Conrror via connectors J 2 and J 3 The unit is prepared for possible future versions with other display types 16 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 3 Disassembly and assembly Disassembly and assembly GERS Akasa e eedt 18 Handling PC boards 18 Separating the display section from the computer section 19 Assembling the display section with the computer section 19 Disassembling the display section 20 Pulse generator 20 Displays aa a 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 PUN antti ab Sana i ch hua WAN 23 Assembling the computer section 23 E382 E394E 061 01 02 02 Siemens Elema AB 17 3 Disassembly and assembly Servo Screen 390 General This chapter describes disassembly and assembly of some of the main parts of the Servo Screen 390 The drawings in the Spare parts list are also very useful as a guide when disassembling and assembling the Servo Screen 390 Before disassembling or assembling the Servo Screen 39
29. oard 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 e Check the power cable from PC 1663 to the intemal display If not the above replace PC 1663 If none of the above replace the display e Check replace the communication cable e Try to communicate with another ventilator on SV 900C E first make sure that the SCM 990 is properly configured e If none of the above replace PC 1662 PC 1835 Siemens Elema AB 39 5 Troubleshooting Servo Screen 390 Malfunction It is not possible to print out on the connected printer Action e Check replace the printer cable e Make sure that the printer itself is properly configured e Make sure that the connected printer is selected in the printer list in Servo Screen 390 Try to connect another printer e If none of the above replace PC 1662 PC 1835 Information message Replace Servo Screen 390 battery remains in the Message window although the battery has been replaced It is not possible to set Time or Date in e Confirm the battery replacement using the Battery CHANGE icon in the Service Menu If not the above replace PC 1662 PC 1835 e Make sure that the communication cable Servo Screen when connected to a SV 300 300A between Servo Screen and SV 300 300A is c
30. onnected to N82 on SV 300 300A The Servo Screen 390 starts up but does not display any information e g Curves or numerical values from the SV 300 300A 40 Siemens Elema AB e Reset the memory in SV 300 300A PC 1587 See SV 300 300A Service Manual printed 1996 or later E382 E394E 061 01 02 02 Servo Screen 390 6 Index Index E382 E394E 061 01 02 02 Siemens Elema AB 41 6 Index Servo Screen 390 A Adapter board PC 1663 AC Power Adapter 124 Battery Battery change icon Battery replacement Board identity Brightness control Bus interface C COM port CompactFlash Card Computer board PC 1662 Computer board PC 1835 Computer section Connection ports Control knob CTR port D Display Display connection cables Display section ESD protection Event list 42 Introduction O N N N N O O O Description of functions 15 13 13 14 15 14 14 16 15 16 14 15 Disassembly and assembly N N 22 22 22 20 20 18 Service procedures 29 34 31 28 F Fan Fan control Firmware Front panel filter Fuse H Handling PC boards Internal memory Internal power cable K KBD port Keyboard M Microprocessor O On off switch P PC Card Power supply PRINTER port Protective cover Pulse generator Pulse generator interface PWR port Siemens Elema AB gt n S D n S 5 E 6 S Q 5
31. re parts must always be kept in a package for sensitive electronic devices Siemens will not otherwise assume responsibility for the materials used the work performed or any possible conseguences of same E382 E394E 061 01 02 02 Servo Screen 390 Contents Contents Te Initrod etiehuu i i i iS s 5 2 Description of functions 11 3 Disassembly and assembly 17 A SENICE POCO QUES cri lid 25 D TOUDIESNOOTINO AAPP 37 6 IN AS uuu u uum SS unun a asus s 41 Te Diagram Ss asea aaa A aaaea aaa 45 E382 E394E 061 01 02 02 Siemens Elema AB 3 Notes Servo Screen 390 Notes 4 Siemens ElemaAB 7 E382E394E 061010202 Servo Screen 390 1 Introduction 1 Introduction E eee meedeed enekele 6 Hardware overview 7 Main sections 8 Display section 8 Computer section 9 Firmware software overview 9 EIT WARS us upas u a a saks 9 SOTO ele xu o vennen 9 E382 E394E 061 01 02 02 Siemens Elema AB 5 1 Introduction Servo Screen 390 General Servo Screen 390 is a computer unit that reads information from a ventilator makes calculations and presents the information to the operator in a clear logically organized mann
32. s 5 e ts 5 35 2 S 34 5 un 9 14 23 13 9 8 21 13 35 18 14 33 13 7 30 14 7 14 15 31 12 7 7 31 7 16 20 14 7 E382 E394E 061 01 02 02 Servo Screen 390 6 Index S Service access code Service information display Service menu Signal adaption Software Software memory card Software mem card interface SRAM SS390 BIOS SS390 FLASH SS390 PROM Support arm Support arm joint Support arm rail clamp V VENT port Video memory VGA controller Voltage distribution Voltage amp Function monitoring E382 E394E 061 01 02 02 Introduction N 0 Description of functions 14 13 Disassembly and assembly Service procedures 36 36 Siemens Elema AB 43 6 Index Servo Screen 390 Notes 44 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 7 Diagrams Diagrams E382 E394E 061 01 02 02 Siemens Elema AB 45 7 Diagrams Servo Screen 390 KBD N6 2 Keyboard port for connection of a keyboard 7 i DIN 41524 female 5 pole GE N 1 KEY CLK 4 GND x 2 KEY DATA 5 45V 3 A CHASSIS GND PRINTER N7 13 1 Printer port for connection of a printer D Sub female 25 pole OOOOOOOOOOOOO p 1 LPT STROBE L 14 LPT AUTOFD L s es 2 ss 0 9 9 999 2 LPTPDO 15 LPT_ERROR L 2 pe j 3 LPTPD1 16 LPT INIT L 4 LPT PD 2 17 LPT SLCTIN L 5 LPT PD 3 18 GND 6 LPT PD 4 19 GND 7 LPTPD5 20
33. ss Code is e Tum the control knob until the Accept key is marked e Press the control knob The Service information display is now shown The Service menu icons are also displayed E382 E394E 061 01 02 02 Siemens Elema AB 27 4 Service procedures Servo Screen 390 Service information display The Service information display shows some technical data from the connected ventilator and from the Servo Screen 390 If the Servo Screen 390 is connected to a Servo Ventilator 300 300A PROM versions in the SV 300 300A are shown on this display The Service information display will 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 e Tum the control knob until the Event List icon is marked e Press the control knob The event list is now displayed e Use the Next Pace and Prev Pace icons to select a page in the event list The message string contains up to six information units Date Time Event type File line Error message Error code if available 28 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 4 Service procedures Battery change confirmation The backup battery in the Servo Screen 390 must be replaced when the information R
34. the pulse generator shaft e Remove the rubber sealing strips 1 e Remove the screws 2 holding the bars 3 e Lift off the bars 3 and the copper plates 4 e Lift off the support plate 5 including the display e 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 Siemens Elema AB 21 3 Disassembly and assembly Servo Screen 390 SS 039X 22 The two different versions of the computer board are interchangable Refer to further information in the Spare Parts List when replacing a PC 1662 with a PC 1835 Disassembling the computer section Computer board PC 1662 PC 1835 and Adapter board PC 1663 The PC boards are connected to each other in such a way that its not possible to remove just one of them from the computer section Both PC boards must be removed at the same time e Remove the software memory card e Separate the display section from the computer section as previously described e Remove the eight spacer screws 1 holding the connection ports to the rear cover Do not remove the screws holding the power port PWR e Disconnect the internal power cable connector N18 from P18 on PC 1663 e Disconnect the battery connector NO from P13 P14 on PC 1662 PC 1835 Note Computer setup information stored
35. um 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 tums or full turns e Secure the new adjustment by tightening the screw 1 SS 045X 36 Siemens Elema AB E382 E394E 061 01 02 02 Servo Screen 390 5 Troubleshooting Troubleshooting E382 E394E 061 01 02 02 Siemens Elema AB 37 5 Troubleshooting Servo Screen 390 Before starting troubleshooting try to elimi nate all possibilities of operational errors If the malfunction remains use the trouble shooting guide below Perform actions step by step and check that the malfunction is eliminated Malfunction Servo Screen 390 will not start The display is not illuminated and there is no start up beep The display is illuminated at power on and one or more start up beeps can 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 The display is not illuminated but a connected CRT display is illuminated and shows the start up sequence 38 Siemens Elema AB When the fault is corrected carry out a Functional check as described in the Operating M anual chapter 4 Startup and shutdown Action e Check replace the external power cable connectors e Check that the power supply source ventilator or extern
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