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1. Midg Keycaps Numeric x 12 p no 8105 0009 01 Keyframe Midg Coated 01 p no 2902 0011 01 01 01 01 01 0005 01 0032 01 Midg Keycaps Alpha x 38 p no 8105 0008 01 Midg Keycaps Spacebar x 1 p no 8105 001 1 01 LCD KBD Hinge Pin x 2 Keyframe Approvals Label 4MB p no 6205 0002 01 8MB p no 6205 0053 01 Space Bar Torsion Wire p no 8305 0001 Enter Key Torsion Wire p no 8405 p no 8405 0006 Light Guide Power Midg Keycaps Tab x 1 p no 8105 0010 p no 8705 0001 Keyboard Membrane p no 7900 0007 01 Key Frame Shield p no 6205 0057 Midg Keycap Fixed p no 8105 0029 p no 8105 Key Mat Company Confidential PSION Computers PLC PSION se TE Hinge Cover Assembly Battery Foam x 2 p no 8705 0010 02 Midg Battery Door p no 8105 0004 01 Midg IR Window p no 8105 0026 01 Midg COMMS Door p no 8105 0021 01 Midg Hinge Cover Coated p no 2902 0012 01 Company Confidential PSION Computers PLC se RIES Base Assembly Midg Dictaphone Door p no 8105 0043 01 Midg Base Coated Light Pipe Record p no 2902 0009 01 p no 8105 00362. Keyboard Test Display 4 Digitiser Operation and Calibration The operator will be prompted to place the perspex digitiser calibrator over the LCD display When this has been snugly fitted to the unit the operator must press the START key to enable the test to proceed A flashing reducing square will then appear under the bottom left button on the digitiser calibrator perspex The operator should then repeatedly push and release the button a number of times The test requires five distinct pushes when a Success Bleep noise will be heard and the reducing square will move to the top right button The operator should repeatedly press the buttons until these indications have successfully occurred The operator should repeatedly push and release the top right button a number of times until a Success Bleep noise 1s heard At this point a cross will also appear on the screen which should aline with the two crosses on the perspex calibrator The operator should then press the PASS key If when pressing either of the calibrator buttons the digitiser is faulty a failure Nhhhhh noise will be heard and a message written to the UUT screen The operator should then press the FAIL key to con tinue In summary e Place perspex digitiser calibrator over LCD screen e Press START key to proceed e Press and release the bottom left calibrator button a number of times e If successful press and release the top right calibrat
3. Slim Base Assy se RIES Introduction Company Confidential PSION Computers PLC Spares Kits The following spares are offered to service centres enabling thorough and complete service and repair work They have been subdivided into relevant groups to differentiate between generic kits that supply parts for the servicing of all Series 5 s and the language and option specific kits which deal with the localised servicing requirements The spares kits are detailed in the separate Series 5 Spare Parts Cata logue which 1s available from Psion Computers Part Number Description 1908 0003 01 S5 Spares Kit LCD Assembly 1908 0004 01 S5 Spares Kit Base Assembly 1908 0005 01 S5 Spares Kit Chassis Assembly 1908 0006 01 S5 Spares Kit Hinge Cover Assembly 1908 0007 01 S5 Spares Kit Labels 4M UK USA 1908 0008 01 1908 0009 01 S5 Spares Kit Labels 8M UK USA S5 Spares Kit Labels 4M German 1908 0010 01 S5 Spares Kit Labels 8M German 1908 001 1 01 S5 Spares Kit Labels 4M French 1908 0012 01 S5 Spares Kit Labels 8M French 1908 0013 01 S5 Spares Kit Keyboard Assembly UK 1908 0014 01 S5 Spares Kit Keyboard Assembly USA 1908 0015 01 S5 Spares Kit Keyboard Assembly German 1908 0016 01 1908 001 7 01 S5 Spares Kit Keyboard Assembly French S5 Spares Kit Main PCB 4M UK 1908 0018 01 S5 Spares Kit Main PCB 8M UK 19
4. System Power Connections Saftey Critical Information Modes of Operation Menu Options Explained System Set Up Test Procedure Set Up Test Sequence Explanation of Test Procedure Fail Ticket Codes Connector Circuit Diagram Company Confidential PSION Computers PLC ECT Introduction The Series 5 1s a revolutionary handheld computer which enables the functionality of desktop applica tions in a handheld form It combines innovative design and new technology incorporates a full VGA width back lit screen a pen for navigation and a patented touch type keyboard The 32 bit Series 5 features a windows style interface and PsiWin V 2 Windows 95 Nt4 0 connectivity software to provide total integration and compatibility with office and home computer systems There are two models in the new range a 4MB and 8MB variant both supplied with an industry standard CompactFlash card slot which allows users to add additional memory The screen resolution is the largest on a handheld device and allows users to view full page width documents email messages and Web pages without horizontal scrolling The Series 5 uses a powerful 32 bit open operating system standard EPOC32 developed by Psion Soft ware and the ARM RISC 7100 processor providing a high level of processing power while preserving battery life EPOC32 is optimised for low power portable machines and is equally at home in a smart phone mobile network computer or handheld
5. UP or DOWN buttons allows the supervisor to select which memory configuration is being used When the correct option is displayed press the green ACCEPT button to return to the main menu Company Confidential PSION Computers PLC se RIES Returning To The Main Menu Pressing the red BACK button when on the main option menu will return the screen immediately to option one of that main menu ie the BUILD OPTION menu When all the required options have been appropriately set and saved the Supervisor Key switch is returned to the normal vertical position Run Mode and the display will show the selected build option to confirm it s current setup Press Start 2900000301 Explanation of Run Mode The key switch should be in the vertical position The Final Test Box is then ready to test a Series 5 and the display will appear as follows Press Start 2900000301 To test a Series 5 follow the Test Procedure Set Up and then the Test Procedure Test Procedure Set Up To avoid the possibility of this test equipment malfunctioning it must be used in a benign electro magnetic environment Strong radiating devices such as mobile phones must not be used in the vicinity of the product as they may cause a temporary disturbance This test equipment must be used in a static free environment Such an environment can be provided by using static dissipative surfaces on the test bench below the equipme
6. MOD LEVEL is printed on the fail tickets to ensure that its setting is clear System Setup This allows permanent saving of the set up parameters in Non Volatile Flash memory and the setting of the current time date and Final Test unit number shown on the back of the final test unit itself It will also allow the Fail Ticket printer to be set to either the Serial COMI or Parallel port and for a small printing test to be done ACCEPT ing the SYSTEM SETUP option will then display the following option 1 6 SYSTEM SETUP SAVE SETTINGS Pressing the blue UP or DOWN buttons lets the supervisor chose between setting the system options as displayed in the following chart CTO eem O OOO O When the correct option is displayed press the green ACCEPT button to enter the next menu level For example ACCEPT ing the SYSTEM TIME option will then display the following option SYSTEM TIME hh mm ss If the time is correct pressing the red BACK button will re run the display to the previous menu level ps Company Confidential PSION Computers PLC se TE If it is incorrect the hour hh minute mm and second ss settings may be changed An underscore cursor will initially be indicating the hour setting Pressing the blue UP or DOWN buttons will increment or decrement the hour accordingly When the time is displayed correctly press the green ACCEPT button and
7. LCD assembly is broken down as this part is of delicate construction and is prone to damage during servicing Company Confidential PSION Computers PLC se TE The LCD digitiser assembly can now be removed and replaced if necessary The assembly of the digitiser and LCD is very fragile and is supported by the LCD inner moulding To separate these three compo nents the outer apps label and conductive strip must first be removed Carefully peel the conductive label away from one corner and lift it off the digitiser surface as shown in the photograph below The outer apps label will be removed also Peel off conductive strip Remove the LCM clamp by levering one edge of it away from the LCD inner moulding Ensure that the flexi connectors are not damaged during removal Hinge LCM clamp away Company Confidential PSION Computers PLC se DNE Remove the digitiser ensuring that the inner surface is kept free of dust and finger prints It can now be replaced if necessary The LCM digitiser contact will become exposed when the digitiser 1s removed ensure that itis undamaged when removed from the contacts on the digitiser flexi Lift the digitiser flexi clear from the two locating pins on the LCD inner moulding as shown in the photograph below and separate the LCD from the assembly The LCD can now be replaced if necessary Digitiser flexi The Series 5 1s now fully disassembled Company Confidential PSION Computers PL
8. calibration can be adjusted by the user through the operating system but that data will be lost if the unit loses all power A perspex calibrator that fits over the screen produces the two known positions Each button is pushed five times and the average taken The positions are checked to be within reasonable limits and the calibration values are calculated Keyboard All the keys are verified to be operating correctly A keyboard image will appear on the UUT screen and each must press and release properly As each key is detected it is greyed out on the screen image Dictaphone Buttons and Status LED The Final Test box display will prompt the operator to press and release each dictaphone button to confirm reliable operation They should work easily not sticking in any position The Final Test box display will also prompt the operator to confirm that the Status LED is turned on The operator presses the PASS or FAIL button to indicate its performance Case Switch and CompactFlash Door Switch The Case is initially open and then the Final Test box display will prompt the operator to close it confirming reliable operation The Final Test box display will prompt the operator to open and close the CompactFlash Door to confirm reliable operation Microphone and Speaker The Unit Under Test produces a tone via its speaker and the Final Test box ensures that the predominant frequency component received is the same as that produced and of a suffi
9. cient magnitude The Final Test box produces a 1KHz tone and the Unit Under Test ensures that the frequency component received by its microphone is the same Expansion Connector Test All the RS232 control lines are checked independently The ground and shield connections are checked The Vpc voltage that supplies the CompactFlash socket is measured with a small load IrDA Test Independent send and receive packets are checked with codes particular to IrDA specifica tion Internal Memory Interface The internal memory card can be either all Flash devices all Mask ROM ed devices or a combination of Masked ROM and Flash The type of device fitted on the ROM card is checked according to the setup of the Final Test box and an appropriate access speed set A checksum value of the lower 4Mbyte and upper 2Mbyte devices is performed at the maximum access speed of the memory devices to confirm integrity of both the devices and the connection Note If the connection interface or ROM s are badly corrupted the UUT will not be able to per form any kind of boot up and run the tests gt Company Confidential PSION Computers PLC E S SS FAIL Ticket Codes ow ETE O IN 01 03 No response Battery module contacting positive contact Re test ensuring contact No response Unit s battery spring clip present PCB battery spring Didn t respond to wakeup Honda Connector DSR and see test 04 PCB Honda connector signal DSR Didn t b
10. on the CompactFlash Card will not boot Instead the normal Series 5 operating system will boot which will fail to establish communication with the Final Test box If this does happen a further examination in the normal Series 5 mode can be made to check the operation of the door switch Select drive D from the System window and then open and close the door to see if the disk has been detected LCD and Backlight Three tests check that the LCD is functioning correctly A pattern is displayed with different contrast levels to check proper control of the signal lines Minimum and maximum con trast levels are displayed to reveal any shorts or opens on any lines Due to the low light level from the backlight it is turned on and off at a frequency of 0 4Hz to show a variation and confirm operation In time with the backlight turning on and off the message on the Final Test box display changes to show gt Company Confidential PSION Computers PLC se RIES the actual status Note A hood may still be necessary to enable backlight to be seen in very bright lighting condi tions Digitiser Operation and Calibration To ensure correlation between the position of the digitiser and the LCD a calibration is performed This requires two known positions to be hit on the screen and the difference between the expected and actual positions to be calibrated out These values are stored in non volatile memory and form the factory default settings The
11. pin is sufficiently exposed to allow a pair of pliers sufficient purchase space to grip the hinge pin for final removal Cut away shaded section of hinge Y Hinge pin Company Confidential PSION Computers PLC se DNE Lever the remainder of the hinge pin out of the hinge assembly taking care not to damage the painted surfaces of the keyframe and LCD outer mouldings Hinge pin The LCD and keyboard assemblies can now be separated Replacement keyboards are supplied as com plete assemblies Ensure that the replacement keyboard assembly is of the same language as the key board being replaced The LCD assembly can be removed from the LCD outer moulding by carefully sliding the digitiser LCD assembly out of the moulding Grip the LCD as shown in the diagram below and ensure that the digitiser LCD assembly remains level as it is removed as the assembly will not slide out of the moulding if it at all out of line Ensure that the same LCD outer moulding is used during reassembly if it is undamaged to ensure that no colour differences exist between mouldings Slide out LCD Digitiser assembly It is recommended that the supplied digitiser LCD assembly is used to replace a faulty LCD or digistiser as both the LCD conductive strip and the Digi LCM clamp are placed at the fac tory using accurate equipment as they are diffi cult to fit precisely It 1s also good practise to check that the backlight has not been damaged whilst the
12. to minimise ESD must be taken before the unit is dismantled To prevent any damage that could result 1f the unit or its parts are not handled properly observe the following precautions during any handling procedures Minimise all handling of static sensitive components and assemblies Transport and store static sensitive components and assemblies in their original containers or in anti static bags e Label accordingly any package that contains static sensitive components or assemblies Discharge static electricity from the body by wearing a grounded antistatic wrist strap while handling these components Servicing static sensitive components or assemblies should be done only at a static free work station by qualified service technicians Increasing the humidity in the work area minimises static electricity problems Do not allow anything that can generate or hold a static charge on the work station surface Pick up components by their bodies never by their leads Do not slide components over any surface Avoid handling components in areas with a floor or work surface covering that can generate static charge Before commencing the disassembly procedure be sure to remove any batteries including the lithium dry cell To remove the lithium dry cell open the battery door to expose the it and use the stylus to release the cell from its location The stylus should be inserted beneath the cell next to the voltage details 1n the base mou
13. 01 Midg Pen Ejector p no 8105 0022 01 Pen Eject Spring p no 8405 001 1 01 Midg Record Button p no 8105 0044 01 Midg Rubber Foot x 4 p no 8705 0008 01 Midg Stop Button p no 8105 0046 01 Midg Play Button p no 8105 0045 01 Company Confidential PSION Computers PLC S E 1 E S PCB ROM Board Assembly ROM Board 01 3 x Flash Devices ROM Board 02 1 x ROM Device 1 x Flash Device ROM Board 03 2 x ROM Devices Main PCB Assy PCB Corner Label p no 6205 0059 01 Speaker Gasket p no 8705 0009 02 OG N ER E gt S O G a 2 SO 38 A N gt lt 25 v X gt ORN D OS A SD 25S O NA NO oe SQ Rs T o aS ZN Q Y SEN x O e AYN T Ge E T Q On Gop EEN D X Y i ON hy ce ye Ny 23 BS DASS NF qo AV W 00 O A gt eu E C y i o Q Qo e E LL Cy I gt ZN S t o gt Y Qo o S o 3 S O c O or S EDS o 29 NI x Q SN d em o c9 mc BN O Do a 3 O Q Y coc 9 N o Q A LO c o LO o E zi ES A puts d 2 T lt se ON AN Y L E Ss Do Ge lt en A 2 O A Se O as OS A WW ui 3 Y us F S O e N E S O PSION Computers PLC se DNE Assembly Fina LCD Assembly Key Frame Assembly LCD Kbd Hinge Pin x 2 Chassis Assembly Pivot Arm Pin x 2 Main PCB Assy Fixing Screws Hinge Cover Assy
14. 08 0019 01 S5 Spares Kit Main PCB 4M USA 1908 0020 01 S5 Spares Kit Main PCB 8M USA 1908 0021 01 S5 Spares Kit Main PCB 4M German 1908 0022 01 S5 Spares Kit Main PCB 8M German 1908 0023 01 S5 Spares Kit Main PCB 4M French 1908 0024 01 S5 Spares Kit Main PCB 8M French 1908 0025 01 1908 0026 01 S5 Spares Kit ROM PCB UK S5 Spares Kit ROM PCB USA 1908 0027 01 o5 Spares Kit ROM PCB German 1908 0028 01 S5 Spares Kit ROM PCB French 1908 0029 01 S5 Spares Kit Tamper Proof Label Company Confidential PSION Computers PLC uu XM Dissasembling the Series 5 Introduction This section deals with the disassembly of the Psion Series 5 The procedure has been structured around the spare parts that are offered assembled as kits which are referenced in the previous section As such a Series 5 can be disassembled quickly into specific sub assemblies allowing the accurate replacement of faulty components The design of the Series 5 promotes simple servicing procedures and it can be dis mantled quickly using only a small number of tools We recommend that servicing is carried out at board level and not at component level and as such this disassembly procedure explains servicing in line with the spares kits detailed in this manual The Series 5 hand held computer contains CMOS devices that may be damaged by electrostatic discharge ESD The following steps
15. ARTN 23 Ea 34 do D a re oe 4 1 s 5 p a AS a i a rF er Ax L D ERR I a 3 V a Y E Tum i i F rude mk PLI T ent phe Company Confidential PSION Computers PLC e Confidentiality amp Service Support A The Series 5 Service Manual will not be made available as bound and printed copy It will be made available exclusively as an Adobe Acrobat PDF file This manual is available as a viewable printable and downloadable file from the Psion Computers closed World wide Web site Series 5 Service Manual All information published on the Psion Computers closed World wide Web site must be treated as confidential unless it is explicitly marked as public domain Do not give your password your user name or even the address of the web site to anyone without written permission from Psion Computers PLC Series 5 Spare Parts Catalogue This manual lists the Series 5 Spare Parts Kits available A detailed catalogue of Series 5 Spare parts is also available as a viewable printable and downloadable file from the Psion Computers closed World wide Web site Series 5 Service Engineering Information Updates Engineering Updates will be issued to official Psion Computers Service Centres when nec essary All future Updates will be distributed through the Psion Computers closed World wide Web site Copyright Psion Computers PLC 1997 All rights reserved This Manual and the data referred to herein are
16. C se TE Reassembly Instructions Reassembly is essentially a reversal of the disassembly procedure However take note of the following points e Exercise caution whilst re inserting the FFC s into the ZIF sockets Inserting FFC s into the connectors at an angle can cause short or open circuits Ensure that the bends in the FFC s are retained to ensure correct alignment of all components on the main PCB Replace any labels that have been removed in the disassembly procedure with new labels Do not attempt to re fit labels that have previously been removed from the Series 5 e Extreme caution is required when replacing the LCD assembly in the outer moulding If the screen is not wholly centered it is very easy to damage the LCD or digitiser As the digitiser and LCD assemblies are reassembled ensure that no dust or finger prints are present between the two interior surfaces Ensure that the assembly is held as shown in the following photograph as the drivers that run along the bottom edge of the LCD are very fragile and can be broken very easily When replacing the base moulding as part of the final stage of disassembly ensure that the pen eject mechanism has not become dislodged The spring that operates the pen eject can drop out if care 1s not taken whilst replacing the base assembly Pen eject mechanism Company Confidential PSION Computers PLC se DNE When replacing both the main PCB and the slim base assembly
17. C 320 Mains Cord is to be used with a local variant power socket with only two conductors Live amp Neutral then a separate earth connection MUST be made to the M6 earth stud fitted to the rear of the main case The Earth Connection Cable must be adequate to carry at least 25A at 250v The other end of the earth cable must be connected by a suitable clamp to a mains earth point within the building not a water pipe or other similar fitting Connection resistance at 25A should be less than or equal to 0 1R This earth connection is a safety critical feature in event of uncertainty consult a qualified electrician Typical standard connection to 3 pin mains socket using moulded IEC320 mains lead supplied with the system 3 Pin Mains A Socket Typical 2 conductor mains connection showing separate earth connection between ground stake earth point in building and M6 stud on rear of case Moulded IEC Lead 2 Pin Mains Socket Graound Stake Building Earth Cable Earth Point Company Confidential PSION Computers PLC se RIES Separate Earth Lead Connection Detail NAY e 1 M6 NUT f 2 EXTERNALLY SERRATED M6 WASHER 3 M6 PLAIN WASHER 1 2 1 3 n 2 5 4 M6 RING TERMINAL 4 5 M6 STUD ON REAR OF CHASSIS Modes of Operation There are two modes of operation that the Final Test box programme can provide Supervisor Mode allows various setup and test parameters to be chosen Run Mode allows an operator to conn
18. O N oo al NI NDI INI INI INN DN DND _ _ gt a o or A MP o NI Oo or B OJD 33 ROM board devices Company Confidential PSION Computers PLC S E R IES Connector Circuit Diagram Dummy Battery and DC Jack External Cable Battery Supply Red 16 0 2mm J4 DH2 KX ii AIDA Battery Gnd Black 16 0 2mm 1 v BRAIDING d Positive gt HS1 DUMMY PROTEA BATTERY Ei Cable to be Braided and with heatshrink terminating each end HEATSHRINK ADHESIVE LII D TYP HOOD Dummy Battery Cable Length 42cm DC Jack Cable Length 30cm Breakout DC Jack cable through Braiding 20cm from 25 Way D WI CABLE WIRE 16 0 2MM 24 PPSU S2 DC Jack Gnd check J5 bal 12 PPSU O2 DC Jack Supply Striped wire CO DO TACK CABLE CABLE WIRE 16 0 2MM 13 DB25 Male E External Honda Cable n Vin2 RTS DTR TXD DSR DCD L A CTS RXD DHI 10 NC CPA DI WB wp rye 000000000 O Vpp O NC 9 NC z O NC Sgnd Shield L L PROTEA_TEST_LEAD KX D TYPE HOOD Analogue Out B1 E Cut Honda MC to MC cable in half and solder into D type connecto 3 Note that the shield is the foil around the wires This should be conn NB Colour coding of MC cable may change please check DB25 Female
19. apparareil CL B se conforme au reglement sur le materiel brouilleur du Canada They show the product complies with the Industry Canada requirements specified in the Canadian Interference Caus ing Equipment ICE regs These are currently met by testing the product to ICE 003 currently identi cal to USA CFR 15 Class B IR Logo This shows that the Series 5 complies with the requirements of the Infrared Data Associa tion standards and indicates that data may be transferred to other products that display this logo CE Logo This shows the product complies with the requirements for shipping to any country within the European Union and indicates that the Series 5 complies with both the EMC and Low Voltage Directives The EMC Directive ensures that the product complies with the emissions requirements of EN55022 Class B and the Immunity requirements of EN30082 1 The latter document covers static testing to 8kV radiated RF testing and surviving 1kV Electrical Fast Transients into the mains adapter inputs The Low Voltage Directive ensures the product complies with the requirements of the European safety standard for Information Technology Equipment EN60930 EPOC 32 is the built in highly optimized C multi tasking 32 bit operating system of the Series 5 which includes a fully featured suite of Personal Information Management productivity and com munications applications The platform is entirely modular and supports embedded graphics and v
20. computer There are now three different handhelds in the Psion range the Series 5 the Series 3c and Siena each offering a different level of functionality at a different price point The purpose of this service manual is to give an overview of the service procedures that may need to be performed on the Psion Series 5 by either a third party user or a registered Psion service centre It has been designed to be used by the service and repair technicians who have the responsibility of maintain ing the products The Series 5 uses both conventional component and high density surface mount component technology which requires specialist servicing techniques It 1s also the first Psion product to use the EPOC 32 operating system based around the ERA architecture running on the ARM 7100 CPU We therefore recommend that repairs are carried out at a circuit board level rather than at component level We also encourage service centres to carry a stock of spare parts to allow immediate servicing of Series 5 compo nents should they need to be replaced Details of the Series 5 spare parts kits can be found in the Spare Parts Catalogue and in the Spare Parts section of this document Although a final test unit is not essential to service a Series 5 effectively it is recommended The final test unit is used within Psion during the manufacturing process to run a final check on the assembly When a Series 5 is connected to the final test unit test code is downloade
21. copyrighted works of Psion Computers PLC London England UK Reproduction in whole or in part including utilisation in machines capable of reproduction or retrieval without the express written permission of Psion Computers PLC is prohibited Reverse Engineering is prohibited The information in this document is subject to change without notice Psion and the Psion logo are registered trademarks Psion Series 5 is a trademark of Psion Computers PLC and EPOC32 is a registered trademark of Psion Software PLC Psion Computers PLC acknowledges that some names referred to are registered trade marks Company Confidential PSION Computers PLC se TE Contents TetizelelW equlo n ECCE ETC OLET 1 Approvals erre 2 Circuit Description erre nennen nennen nnne nennen nennen nnnm nennt nnns 3 Exploded Vie Write Rida ta aD Ec sU ie dece ee und 5 Introduction LCD Assembly Keyboard Assembly Hinge Cover Assembly Base Assembly PCB ROM Board Assembly PCB Chassis Assembly Final Assembly SP eS q CPP OO oO tc caccatesnenee ue acaecaaane enone cacdenancatanaoaeaneacnatasespecertnee atetees 13 Introduction Generic Spares Kit LCD Spares Kit Language Specific Spares Kits PCB Spares Kits Disassembling The Series 5 csssccceesseecenseeceseecesneeseenseneenseesenseeseeneesees 14 Introduction Tools Required Disassembly Procedure Reassembiv ProceduU Pisani 23 Final Test Procedure siii ia 25 Overview
22. ctaphone function a pen activated digitised screen full travel keyboard switches and a Compact Flash Memory Disk socket TheSeries 5 electronics are made up of a main PCB and a ROM daughter PCB Circuit Diagram MAIN PCB 32 BIT BUS 32 BIT BUS Q copEec P MICROPHONE 6V DC IN SPEAKER EIGER EE 16Bit ASIC 12 ARM 7100 PCMCIA I F CF SLOT 2x ALKALINE MAIN BATTERIES DICTAPHONE SWITCH QWERTY 640x240 LCD KEYBOARD DIGITISER BACKLIGHT CPU DRAM and POR Generator The Series 5 cpu IC1 is the ARM 7100 device which integrates an ARM7100 32 bit RISC core with Psion specific peripherals Its main clock input frequency is 3 6864 MHz 50 ppm provided by crystal X2 working in fundamental mode This signal is internally multiplied up in frequency by a factor of 5 to 18 432 MHz 54 2535 ns An expansion clock of this frequency is available as an output from the ARM 7100 and is used on Series 5 by the Compact Flash interface device ASIC12 IC2 Company Confidential PSION Computers PLC se DNE A Power On Reset cold reset signal to the ARM 7100 is provided by a Ricoh RNSVLR20AA open drain FET output voltage detector device IC4 The ARM 7100 is reset during power on by IC4 which detects when VDD crosses a set point voltage This threshold voltage is set to 2 0 V 2 5 2 0V 50mV An RC circuit stretches the low state signal to allow sufficient time for the ARM 7100 to reset Power On Reset erases all data h
23. d into the machine via the comms interface The test program can then be run to exercise the LCD digitiser keyboard membrane Memory Disks switches comms door Irda speaker and microphone Op erating idle and standby current consumption can also be measured This can be extremely valu able to investigate or diagnose a reported problem In addition once a repair has been completed a full test can be run to ensure that the repair has been carried out correctly and that no other fault has been introduced during the servicing procedure See Final Test section for more information Company Confidential PSION PSION Computers PLC se TE FC b CE Approvals FCC Logo This shows that the product complies with the requirements for shipping products to the USA The product has been tested to show compliance with USA Federal Communications Commis sion requirements as detailed in US Government handbook CFR Part 15 This document covers the requirements for digital devices designed for use in residential and commercial environments known as Class B devices A further requirement of the US regs 1s to display the model number 4 8MB and the words Tested to Comply with FCC Standards for Home or Office Use The Canadian Require ments are covered by displaying the wording This Class B Device complies with Canadian ICE regu lations Tested to comply with FCC standards for home or office use The French translation Cet
24. e aborted immediately and a Fail Ticket will be printed If it fails after these tests testing will continue to try and diagnose a full fault list which will be printed at the end of the test n tu Jos Fii g E F a 1 N i E X LM yn E A i A i iJ Press Start Button 2 Display Test The operator will have to determine whether the machine passes three quality tests for the LCD display and one for the backlight operation An LCD display pattern will be shown followed by a flashing backlight and a minimum and maximum contrast tests For each of these tests the operator must press the PASS or FAIL key according to the quality of the display and the status of the backlight The operator must check the display for any missing rows or columns in the displayed image or any inconsistencies In summary e Press PASS or FAIL button according to quality LCD Display Test Company Confidential PSION Computers PLC se DNE 3 Keys A keyboard layout will be displayed on the screen The operator must press each key and as they are detected the displayed key will change to a lighter contrast When all the keys have been successfully detected the program will automatically proceed to the next test If a key should fail to be detected after a set time the program will continue noting the keys that have failed In summary e Press each key on UUT e If a key fails wait for time out e NS ex
25. ect a Series 5 unit to the tester and to perform the chosen tests which are prompted by various messages on the Final Test box display and the Unit Under Test UUT display It is also possible to Reprogramme the Final Test box which can be done by connection with an IBM compatible PC running the DOS utility INTERSVR EXE which is available for DOS version 3 3 or later This allows two PC s to be connected together with one acting as a server to the other The units may be connected by either the parallel or serial ports providing the cables are as described by the INTERLNK utility see the DOS HELP INTERLNK EXE utility The PC must be switched on and be running INTERSVR EXE and have a disk image file loaded in a directory as follows C TC486 REPRO IMG When the Final Test box is switched on it will detect the presence of the attached PC and use it as a server This will be seen on the PC s screen as it s drives are allocated to the Final Test box After a few seconds it will begin reading the disk image file REPRO IMG which will be indicated by a flashing legend in the bottom left hand corner of the PC s screen as follows lt d de tk READING COLES When the READING legend has stopped flashing wait for a couple of seconds and perform the follow ing procedure Wait for a couple of seconds Turn off the Final Test Box Disconnect the Interlink cable Turn the Final Test Box back on The test box should now reboot and dis
26. eld in volatile storage and is an indication that all power has been lost and subsequently re applied A User Reset warm reset signal is available on Series 5 via a switch The switch forms part of the Lithium backup battery negative contact and would normally be accessible to the user only by opening the backup battery case cover and using a pointed instrument The user reset signal is normally held inactive high by a pull up resistor RI A small value capacitor C113 provides a measure of noise bypass in order to protect the system from inadvertent resets during ESD events and other electrically noisy periods Operating this switch vectors the CPU to a warm restart and all user data should be recovered in this process Keyboard Interface The Series 5 keyboard contains a total of 53 keys organised in a conventional QWERTY arrangement The implementation is a departure from the S3a family of products and features a separate keyboard switch matrix assembly which slides out as the LCD screen is opened The electrical connection be tween the keyboard and the main Series 5 PCB is achieved by means of a 22 way Flat Flexi Cable only 20 ways are used for keys fitted to a 22 way ZIF connector The outside pins on the flexi are the grounded to allow a for a ground ring on the keyboard membrane to improve ESD protection LCD and Digitiser Interface The LCD screen supplied on Series 5 is a 640 by 240 pixel passive matrix module normally white pix
27. els All the data clock and synchronisation signals are provided by the ARM 7100 device A separate passive resistive digitiser module consisting of a glass lower plate and a hardened plastic top plate is assembled over the LCD screen Resistive ink is printed on the inside of the digitiser faces and four electrical connections provide the means for sensing resistance across the x and y axes The electri cally conductive internal faces of the digitiser are kept apart by means of very small bumps manufac tured into the plastic member A 22 way Flat Flexi Cable carries the electrical interface to the Series 5 main PCB LCD and VLD PSU The LCD module requires a number of power voltage rails which have to be enabled and disabled in a defined sequence in order to ensure that at no time no residual DC is presented across the LCD panels This DC would cause drift in the liquid crystal and eventually would irreversibly damage its light polari sation characteristics The logic supply to the LCD module VLL is supplied from a normal drive port output as the required current is only around 2mA maximum The main high voltage supply to the LCD module is generated by an ARM 7100 controlled boost switched mode power supply with a 4 bit DAC acting as a variable resistor in the feedback path cy Company Confidential PSION Computers PLC se RIES Exploded Views Introduction The following exploded diagrams show the construction of the sub assembl
28. ensure that the Series 5 is open as shown This will ensure that the switches that operate the machine on off and door opening warnings will not be fouled as the base is replaced Ensure that the Memory Disk and lithium doors on the base assembly are also open To replace the slim base assembly align along the bottom edge of the Series 5 assembly ensuring that the dictaphone but tons have located and lever the moulding down into place The base should snap into place along the back edge where it meets the hinge moulding assembly Ensure that the base 1s located correctly before re screwing it down using the 3 case screws These case screws should not be over tightened as they purchase into the chassis moulding and can strip easily When the Series 5 is fully reassembled check that the colour of each of the mouldings tie up and that no colour differences exist between mouldings It is important to note that the Series 5 can occasionally experience a software crash which can be rectified by enacting a soft reset see User Guide However it 1s possible that a crash can be caused by an intermittent hardware fault and therefore it is advisable to fully test any unit that has experienced a crash Faults such as failure to read links power supplies or batteries can be caused by the peripherals themselves and these faults should be determined only using a Series 5 that is known to work Some brands of batteries are shorter in length than the Euro
29. est Box to close the UUT screen and press the PASS key to continue the test In summary e Close the UUT screen e Press the PASS key to continue Press Pass Key 7 Dictaphone buttons The operator will be prompted by the display on the Final Test Box to press each of the three dictaphone switches They should press in and release easily of their own accord If a switch is sticky or needs help in releasing it should not be manipulated Instead let the test fail The test will FAIL if any of the dictaphone switches have not been successfully detected and released within a specified time out period If the switches are all successfully operated the program will move on to the next test In summary e Press and release all three dictaphone buttons e Wait for Final Test Box display to increment to the next test Dictaphone Buttons XL E a d s f T j i M Company Confidential PSION Computers PLC se TE 8 Dictaphone Status LED The operator will be prompted by the display on the Final Test Box to observe whether the Dictaphone Status LED has been lit If successful the operator should press PASS if it is unlit the operator should press FAIL In summary e Press PASS or FAIL button according to operation of LED Dicataphone Status Light 9 Remove Lithium and CompactFlash The operator will be prompted by the display on the Final Test Box to remove the Li
30. first stage of disassembly is to remove the slim base assembly First remove the stylus then remove the 3 case screws from the base moulding which are located as shown in the following photograph The Warranty Void if Removed label will be destroyed during this procedure Once the screws have been removed the Base moulding Remove fixing A p screws ia 5 Remove stylus Remove lithium battery can be lifted off the main assembly First ensure that the Memory Disk and lithium battery doors are open as this will free locating clips between the PCB and the base moulding The moulding should then be eased upwards from its front edge to disengage it from the hinge moulding Ensure that the moulding in lifted clear without damaging any of the locating details along the bottom edge of the base moulding gt Company Confidential PSION Computers PLC se DNE The Daughter PCB can now be removed if necessary Certain intermittent faults can be caused by dry or faulty joints on the daughter PCB so quick replacement can be undertaken at this stage of disassembly to ascertain if this is the cause of the fault The daughter PCB can be removed by unclipping the connec Unclip retaining socket tor and easing the PCB out of its socket Take care not to bend the PCB during this procedure as it is prone to fracture When replacing the daughter PCB ensure that the replacement is of the same OS build number and language as the PCB tha
31. her enter the BUILD OPTION menu and ACCEPT the desired part number or enter the SYSTEM SETUP and ACCEPT the SAVE SETTINGS option If this is not done then the options which have been changed will be lost when the unit is powered off Menu Options Explained BUILD OPTION When this is selected by pressing the green ACCEPT button the following screen will appear 1 22 BUILD 2900000301 1 22 indicates that this 1s the first option available from a total of 22 Pressing the down arrow button will move to the second option etc BUILD indicates that this is the BUILD option menu 2900000301 is the Psion part number in this case inferring the build for an English 4 Mbyte machine Pressing the blue UP or DOWN button arrows will toggle the display through the available build options shown in the following table When the required build is displayed press the green ACCEPT button The screen will then show the following for a couple of seconds before returning to the main menu display shown previously 1 22 BUILD SAVING Note When the screen shows that it is saving the options ALL the current option settings are saved into non volatile memory and will remain as such until changed again Hence it is necessary to enter the BUILD OPTION menu and re ACCEPT to save any other changes If this is not done then the settings will be lost when the unit i
32. ies that comprise the Series 5 The structure of the diagrams attempts to reflect the assembly stages employed at the point of manu facture Descriptions for each component are also given along with the relative part numbers You can access each subassembly directly by clicking on the icon next to the relevant title below LCD Assembly Keyboard Assembly Hinge Cover Assembly Base Assembly PCB ROM Board Assembly PCB Chassis Assembly Final Assembly Y y y y y y Y Company Confidential PSION Computers PLC se TE LCD Assembly LCD Conductive Label M cdd p no 6205 0058 01 Digitiser n sd p no 2902 0002 LCM DIG Zebra p no 8705 0006 01 LCD Side Bar Label p no 6205 0016 01 Dig LCD Clamp ge p no 8206 0002 01 LCD Icon Label p no 6205 0009 01 LCD Inner Midg p no 2902 0013 01 LCM 640 x 240 B W 3V TAB Tranfl p no 2902 0006 01 Backlight Assy p no 2902 0007 01 a LCD Compression Spacer p no 8105 0042 01 LCD Flexi Cover Label p no 6205 0060 01 lc Midg LCD Outer Coated p no 2902 0014 01 Company Confidential PSION Computers PLC se TE Keyboard Assembly Midg Keycaps Enter x 1 p no 8105 0014 01
33. lacing the Series 5 assembly onto the edge of a slightly raised surface such as a book which will allow the PCB to be lowered once it is in position thus giving more slack to the flexi connectors Unclip LCD and Keyboard ___ flexi connectors The Main PCB can now be replaced if necessary When replacing the PCB ensure that the same RAM size is present on the replacement PCB and ensure that the damaged PCB is stored in an anti static bag gt Company Confidential PSION Computers PLC se DNE The Chassis and LCD Keyboard assembly should now be separated The hinge pins that hold the two assemblies together can be removed by using the hinge pin removal tool supplied as part of the generic spare parts kit Insert the tool into the hinge pins and remove by flexing the tool and pulling the pins out of the LCD outer moulding Take care not to damage the painted finish on the LCD outer moulding whilst removing the hinge pins Remove hinge pins The LCD Keyboard assembly can now be slid off the chassis moulding as shown in the photograph below Slide LCD Keyframe assembly off chassis moulding Company Confidential PSION Computers PLC se TE The LCD and Keyboard assemblies can now be separated The LCD inner moulding must be cut to expose the LCD hinge pin before removal can take place Using the micro shear pliers remove the necessary section of the LCD inner moulding ensuring that the hinge
34. lding Refer to the User Guide for further instructions Do not use a metallic tool to do this as it may short the cell Caution Danger of explosion if lithium battery is incorrectly replaced Replace only with the same or equivalent type of lithium battery and dispose of used batteries as recommended in the Series 5 User Guide When removing the internal workings from the case care should be taken not to damage the LCD mod ule Do not bend the module as the circuit board is prone to fracturing If the LCD breaks be careful not to get any liquid crystal in your mouth or eyes In the event of any liquid crystal getting on skin or clothes wash off immediately with soap and plenty of water Do not remove both the lithium dry cell and main gt Company Confidential PSION Computers PLC se TE batteries without first ensuring that the data contained in The Series 5 s internal memory has first been backed up Removal of both the battery sources without previously attaching an external power supply will erase all information stored on the internal memory Ensure that all case mouldings are disassembled and stored together as they are finished as assem blies and as such small colour variations may appear between batches Always replace the entire case set if one moulding is damaged in any way Tools Required Hinge Pin Removal MA Disassembly Procedure Once the Series 5 has had all batteries and any Memory Disks removed the
35. nt and ensuring that operators are discharged by means of static wristbands prior to using the equipment Static dissipative surfaces and wrist bands can be obtained from your local component stockists The supervisor must select the correct Psion part number for the batch of units to be tested It is essential that the set up is correct before testing the units In particular check the MOD LEVEL ROM card type and the Psion Part type For each Series 5 to be tested in the batch the operator will perform the following tasks Insert the test CompactFlash card and insert the lithium cell Company Confidential PSION Computers PLC se DNE e Insert the dummy battery module and the DC Jack plug e Slide up the 15 Way expansion cover and connect the 15Way expansion connector e Slide back the Dictaphone switch cover Open the Unit Under Test and place on the cradle on the Final Test Unit e Ensure the UUT is connected to the Final Test Unit thus Final Test Cradle Dummy Battery il JE DC Jack RS232 Series 5 unit contains Lithium Battery Test Compact Flash Company Confidential PSION Computers PLC se TE Test Sequence 1 Press Start Button Once the operator has connected the UUT to the cradle the START button can be pressed This begins the test sequence by loading the test program from the Test CompactFlash into the UUT s memory If the sequence fails within the first 6 tests the test will b
36. oice as well as pen and keyboard input The real time performance of EPOC32 allows it to run telephony protocol stacks and makes 1t suitable for communications enabled devices CompactFlash CF is an ultra small removable data storage system CF provides complete PCMCIA ATA functionality and compatibility and has built in industry standard compatibility as the 50 pin CF cartridge can be easily slipped into a passive 68 pin Type II adapter card that fully meets PCMCIA electrical and mechanical interface specifications CF is widely used in digital cameras cellular phones personal digital assistants and personal communicators The ARM7100 is a high integration application specific microcontroller which meets the needs of next generation electronic organizers and PDA s providing the combination of features and perform ance to cope with the increasing software demands of friendlier user interfaces increased functionality and advanced communication protocols The ARM7100 is the microcontroller component of the unique hardware and software open architecture employed by the Series 5 P SION Company Confidential PSION Computers PLC S E SI E S Circuit Description The electronic design for the Psion Series 5 handheld computer product is the first to make use of the ERA architecture based around the ARM7100 cpu The product hardware supports optional DRAM builds of 4 and 8 Mbytes and features a 640x240 monochrome display a button operated di
37. oot into Test Honda Connector DTR and see test 04 PCB Honda connector program no DTR asserted 04 Failed Tx Rx CompactFlash fully inserted Re test ensuring fully home communication CompactFlash door fully shut and device detected Plastics cam operator PCB door switch ROM Board connections PCB ROM Board connector Honda Connector Tx Rx PCB Honda Connector Lithium reset contact permanently down Bend contact away from PCB Language RAM size Test Program Setup Wrong unit build Standby current out of DRAM on PCB N limits Dry joints floating inputs Shorts caused by metallisation of plastics onto PCB Dictaphone Plastics Backlight connector Backlight Keyboard connector Keyboard Keys Keys Honda Connector Tx Rx PCB Honda connector Honda Connector RTS DTR CTS DSR DCD PCB Honda connector IrDA not blocked PCB IrDA devices Lithium in socket Dry joints on lithium contacts Lithium contacts DC Jack lead properly inserted Honda Connector Vin2 Ground Honda Connector Shield Honda Connector Vpc Unit properly seated Speaker fitted correctly Unit properly seated Microphone fitted Case switch is not broken Stuck open Digitiser connections Action of dictaphone buttons Case switch is not broken Stuck closed Dictaphone Status LED Plastic cam operator of ConpactFlash door Removed Lithium and CompactFlash Test Program Setup Passed all tests correct build gt 08 10 mb Co
38. or button a number of times e If successful the cross on the screen should aline with the crosses on the perspex e Press PASS Company Confidential PSION Computers PLC se TE If the test fails at any point e Press FAIL Digitsier Calibrator Note To minimise any possible damage to the digitiser screen the buttons on the perspex digitiser calibrator should be pushed with one finger while the back of the screen is supported by the other fingers of that hand If a large force is used it may mark or damage the digitiser or dislodge the unit from the Final Test box 5 CompactFlash Door switch The UUT will display a message showing that the CompactFlash door is closed The operator should pick up the UUT with the case screen still open The operator should then open the door and see a message appear on the UUT screen showing that it has opened The operator should then close the door and see a message appear on the UUT screen showing that it has closed If the unit is faulty it will fail after a time out period no intervention is required In summary e Pick up the UUT with the screen open Open the CompactFlash door Close the CompactFlash door Company Confidential PSION Computers PLC se DNE Note Hold the unit the correct way up and not upside down as is displayed to view the instruc tions displayed on the screen 6 Case Open Switch The operator will be prompted by the display on the Final T
39. pean average and as such can give poor contact which can result in the unit giving incorrect low battery warnings Also rechargeable batteries have a very low usage time and as such can give the false impression that the Series 5 is draining them too quickly gt Company Confidential PSION Computers PLC T ww Final Test Procedure This section outlines the Final Test procedure for the Series 5 hand held computer The test equipment requirements to perform the final test procedure are outlined in the following table CNC Fen Final Test Unit 1910 0001 01 Fail Ticket printer and lead n a Crescere O a The Final Test Unit is suitable for working with supplies in the range 90 130 180 260 VAC 47 63Hz without adjustment Fail Ticket Printer Final Test Box LCD Display Unit Under Test Company Confidential PSION Computers PLC se TE System Power Connections Safety Critical Information The Series 5 Final Test System is designated as conforming to Class 1 insulation standards and as such MUST BE MAINS EARTHED The unit is supplied with a moulded EC 320 Mains Cord with local variant mains plug fitted This cord must be used for mains connection and be maintained in good condition Should this cord show wear through the insulation cutting damage or other fault the power should be removed and the cord re placed with a suitable replacement available from Psion Computers PLC as a spare part If the IE
40. play the following screen NO BUILD OPTION SET Company Confidential PSION Computers PLC se TE It is now necessary to enter the Supervisor Mode and set up the Final Test Box as required Turning the key switch clockwise puts the Final Test Unit into a Supervisory Setup Mode The display will then show the following 1 9 MAIN V1 10F BUILD OPTION 1 9 indicates that this is the first option available from a total of 9 Pressing the down arrow button will move to the second option and then to the third and so on Pressing the up arrow button will move back through the option screens Main indicates that this is the main option menu and not a subset V1 10F indicates the version of the software running on the Final Test box BUILD OPTION is the description of the first menu option An option can be selected by pressing the green ACCEPT button This will then take the supervisor to the next menu level The first row will display the number of options available and a title description The second row will display the currently accepted option Pressing the blue UP or DOWN buttons will move the displayed options appropri ately Once the desired configuration is displayed the ACCEPT button should be pressed and the display will then return to the Main menu selection The supervisor may ignore any changes by pressing the red BACK button which will return the supervisor
41. s powered off The following is a table of the current Psion p no s for all the relevant build options Mod Level 2900 0003 01 2900 0004 01 2900 0009 01 2900 0010 01 2900 0011 01 2900 0012 01 2900 0013 01 2900 0014 01 2900 0015 01 2900 0016 01 2900 0017 01 2900 0018 01 2900 0019 01 2900 0020 01 2900 0021 01 2900 0022 01 2900 0023 01 2900 0024 01 2900 0025 01 2900 0026 01 2900 0027 01 2900 0028 01 English American American French French German German Not Available Not Available Italian Italian Norwegian Norwegian Danish Danish Finnish Finnish For production purposes a MOD LEVEL is set in the Series 5 part number To change the Modifica tion Level use the blue UP or DOWN buttons to select the MOD LEVEL menu option and press the green ACCEPT button The following display will then appear 1 26 MOD LEVEL A Pressing the blue UP or DOWN buttons will then increment or decrement the Mod letter from A to Z When the required letter is displayed press the green ACCEPT button The display will then return to the main option menu Company Confidential PSION Computers PLC se RIES Note Once a unit has passed Final Test the serial E7PROM on the main PCB is locked If it is re tested then it must have the same MOD LEVEL set otherwise it will fail Final Test produc ing a Concession Ticket providing it has passed every other test For this reason the current
42. t is being removed This can be checked in the system screen on the Series 5 by pressing Control H The hinge cover moulding should now be removed This can be done by inserting a blunt pointed instrument such as a spare Series 5 stylus into the centre of the hinge moulding and gently levering the moulding out of its locating clips on the chassis as shown in the photograph below Note that the battery housing door needs to be closed to facilitate the removal of the hinge cover moulding assembly The hinge moulding assembly contains the battery door RS232 door and IrdA window mouldings Each of these can be snapped out of place and replaced if necessary The battery cover mould ing has a small amount of silicone based lu bricant applied on the running surface at both ends during manufacture to enhance the ro tating movement the door performs in use Re placement doors should therefore have such a lubricant applied Unclip Hinge Moulding Company Confidential PSION Computers PLC E S eS The Main PCB can now be removed First unscrew the 3 retaining screws and the disconnect the Speaker Flexi and the Backlight flexi as shown in the following photographs Retainig Screws Unclip Speaker Flexi Unclip Backlight Flexi Lift the PCB up to expose the LCD orange and Keyboard blue flexi connectors These should be removed from their respective LIF sockets on the main PCB This process can be made simpler by p
43. the connections are made and the Unit is booting up The Final Test program is read from the CompactFlash Disk within the UUT establishing communication with the Test Box and asserting its DTR line in response The Stand by Current test is made with the processor asleep and at 2 75 volts It should be within the values specified in the following table Model Memory Size Standby Current 4Mbyte 1 50mA 8Mbyte 2 10mA DC Jack Supply A 6V supply current limited to 500mA is applied to the DC jack socket of the UUT No ground connection is present on this jack instead a separate circuit tests that the GND connection 1s present on the jack socket fitted to the UUT This is done in order that it may detect any fault in the ground return path such as a break in the toroidal input filter as this would prevent normal operation via this connector CompactFlash This is implied to be operational if the unit boots up into Test Mode There is no specific checking of all the lines on the connector but for the Unit to boot successfully from CompactFlash requires good conformance If the UUT boots successfully it will assert its DTR line and will then establish communication with the Final Test box via the expansion connector Tx and Rx lines Note To boot successfully the CompactFlash door switch must be closed and the CompactFlash Card Psion Memory Disk must be properly inserted If the door switch is not closed or does not operate the test program
44. the underscore cursor will move on to the next unit in this case the minutes mm Repeat for the minutes and second settings When the seconds ss setting is ACCEPT ed the display will return to the previous menu level and the time will have been set accordingly The SYSTEM NUMBER should be the same as the number on the rear label The Printer default setting 1s the parallel port but it may be changed to the serial port COMI with a configuration of 9600 Baud 8N 1 If the PRINTER TEST option is ACCEPT ed a simple test data pattern will be printed out to the relevant port If the SAVE SETTINGS option is ACCEPT ed then all the configuration settings are saved into non volatile memory in the same way as ACCEPT ing the Psion part number in the BUILD OPTION menu Result Log If this option is enabled the following tests will output a result on the serial port COM2 at 9600 8N1 e Stand by Current e Vpc measurement e Measured frequency from the UUT speaker This can be logged by a terminal to give on line results The output is ASCII code giving a test descrip tion followed by the result Set ROM Board The unit is required to set into the Series 5 unit s memory whether it s system memory is using All Flash All ROM or Flash amp ROM This can be done by ACCEPT ing this menu option The screen will then display the following option 1 3 ROM BOARD ALL FLASH Pressing the blue
45. thium battery and CompactFlash device As each is removed the Final Test box will clear the displayed message so that when both have been removed it moves onto the next test 10 Final Test Result If the UUT has successfully passed all the tests the message PASS will be displayed on the UUT and on the display on the Final Test Box If any test has failed the message FAIL will be displayed on the UUT and on the display on the Final Test Box and a fail ticket will be printed showing the particular failure Ensure that a fail ticket and the UUT are stored together Fail Ticket 11 Power Down Press the PASS key one further time to turn off the power UUT and remove the Expansion connector from the UUT and the DC Jack Battery cables The Final Test procedure is now complete Company Confidential PSION Computers PLC se TE Explanation of Tests The Final Test Unit is capable of automatically testing the following features of the Series 5 Not spe cifically in this order On amp Boot Up Operation Initially the battery supply voltage is set to 2 50V and the supply current is limited to 65mA to prevent damage to the Unit Under Test The actual measured supply current must be less than 10mA for testing to proceed The supply current limit 1s then increased to 700mA and the UUT is woken up by toggling its serial DSR line on the expansion connector The current is checked to be greater than zero to ensure that
46. to the previous menu level without changing anything The various options currently available are as follows BUILD OPTION Sets by Psion part number the chosen machine build being tested MOD LEVEL ee A variable mal can be incremented from A to Z that is added into the Series 5 unit s serial number If enabled pauses the test sequence after specific tests to show DIAGNOSTI DISABLED SS additional test result data on the Final Test box display FAIL TICKET ENABLED To enable the printing of fail tickets PASS TICKET DISABLED To enable the printing of pass tickets Not yet implemented RESULT LOG DISABLED Outputs some test result data onto COM2 port at 9600 8N1 Baud SYSTEM SETUP Enables setting of the Test Box date time unit number and printer type VERSIONS ls Shows current versions of the source code limits file build file and sequence file being used by the final test box CYCLE MODE DISABLED If enabled puts the unit into a 100 cycle mode Only the tests without operator intervention are performed SET ROM BOARD To configure the type of system memory used in the Series 5 unit PROG EEPROM To enable programming the serial E2PROM on the Series 5 unit If the supervisor wishes to ignore any change they have made at any point then the red BACK button should be pushed which will ignore all previous key presses and take the supervisor back to the previous menu level To permanently save the options selected the supervisor must eit
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