Psion 7535G2 HANDHELD COMPUTER User Manual Technical Manual

Psion Inc HANDHELD COMPUTER Technical Manual

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7535G2 User Manual

USERS MNAUAL

CoverISO 9001 CertifiedQuality Management System7535 G2Hand-Held ComputerService ManualMonth Day, Year Part No. 80000xx.x

© Copyright 2006 by Psion Teklogix Inc., Mississauga, OntarioThis document and the information it contains is the property of Psion Teklogix Inc., is issued in strict confidence,and is not to be reproduced or copied, in whole or in part, except for the sole purpose of promoting the sale of Tek-logix manufactured goods and services. Furthermore, this document is not to be used as a basis for design, manufac-ture, or sub-contract, or in any manner detrimental to the interests of Psion Teklogix Inc.All trademarks are the property of their respective holders.DisclaimerEvery effort has been made to make this material complete, accurate, and up-to-date. Psion Teklogix Inc. reservesthe right to make changes without notice and shall not be responsible for any damages, including but not limited toconsequential damages, caused by reliance on the material presented, including but not limited to typographicalerrors.

TABLE OF CONTENTSPsion Teklogix 7535 Hand-Held Computer Technical Manual iChapter 1: Introduction1.1 About This Manual....................................... 31.2 Supporting Collateral...................................... 31.3 About The 7535 G2 Hand-Held Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.3.1 Identifying Hardware.................................. 41.4 7535 G2 Hardware Architecture ................................ 51.4.1 Overview......................................... 51.4.2 Body Variants...................................... 51.4.3 Scanners......................................... 61.4.3.1 Scanner Control Services ........................... 61.4.3.2 Non-decoded Laser Scanners......................... 61.4.3.3 Decoded Laser Scanners............................ 61.4.3.4 Imaging Scanners............................... 61.4.3.5 Scanner Variants................................ 71.4.4 The Display....................................... 71.4.4.1 Touch Input................................... 71.4.4.2 The Display Backlight............................. 71.4.4.3 Display Variants................................ 81.4.5 The Keyboard...................................... 81.4.5.1 The Keyboard Backlight............................ 81.4.6 The LEDs........................................ 81.4.7 The Beeper........................................ 81.4.8 Accessory Cards..................................... 81.4.8.1 Card Variants.................................. 91.4.9 The Endcap ....................................... 91.4.9.1 Endcap Variants................................101.4.10Ports...........................................101.4.10.1 The Docking Port ...............................101.4.10.2 The Tether Port.................................111.4.11Power Management...................................121.5 The Portable Docking Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Chapter 2: Controls2.1 Overview ............................................172.1.1 Identifying Hardware..................................172.2 The Keyboard..........................................182.2.1 The Keyboard Backlight.................................182.3 The LEDs............................................182.3.1 Charge LED.......................................192.3.2 Radio Traffic LED....................................192.3.3 Scan LED........................................192.3.4 User Application LED..................................202.4 The Beeper............................................202.5 Turning The 7535 G2 On And Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Contentsii Psion Teklogix 7535 Hand-Held Computer Technical Manual2.6 Resetting The 7535 G2.....................................20AppendicesAppendix A: Support Services And Worldwide OfficesA.1 Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1A.2 Product Repairs........................................A-1A.3 WorldWide Offices......................................A-2A.4 Worldwide Web........................................A-2

Psion Teklogix 7535 Hand-Held Computer Technical Manual iiiAPPROVALS AND SAFETY SUMMARYDeclaration Of ConformityProduct: 7535 G2 Hand Held Micro-computer with Portable Docking ModuleApplication of Council R&TTE Directive: 1999/5/EECDirective(s): EMC Directive: 89/336/EECLow Voltage Directive: 73/23/EECConformity Declared Article 3.1a (Health): EN 60950: 2000 to Standards: Article 3.1b (EMC): EN 301 489-17: v1.1.1; 09-2000Article 3.2 (RF Spectrum): EN 300 328-2: v 1.1.1; 07 2000EN 55022: 1998 + Am 1, Class B;EN 61000-3-2; EN 61000-3-3EN 55024:1998;EN 61000-4-2; ±4kV CD; ±8kV ADEN 61000-4-3; 3V/m, 80-1000 MHzEN 61000-4-4; ±1kV Power linesEN 61000-4-5; ±1kV Differential modeEN 61000-4-6; 3VRMS, 150kHz-80MHzEN 61000-4-11; AC Mains PortsManufacturer: PSION TEKLOGIX INC.2100 Meadowvale BoulevardMississauga, Ontario, Canada L5N 7J9Year of Manufacture: 2003Manufacturer’s Address PSION TEKLOGIX S.A.in the European La Duranne; 135 Rue Rene Descartes; BP 421000Community: 13591 Aix-En-ProvenceCedex 3; FranceType of Equipment: Information Technology EquipmentEquipment Class: Commercial and Light IndustrialI the undersigned hereby declare that the equipment specified above conforms to the above directives and standards.Manufacturer: Rob WilliamsVice President of EngineeringPsion Teklogix Inc. OntarioLegal Representative Domique BincklyVice President International SalesPsion Teklogix S.A. France

Safetyiv Psion Teklogix 7535 Hand-Held Computer Technical ManualFCC DECLARATION OF CONFORMITY (DoC)Applicant’s Name & Address: PSION TEKLOGIX2100 Meadowvale Blvd.Mississauga, OntarioCanada L5N 7J9Contact Person: Iain RoyTelephone No.: (905) 813-9900US Representative’s Name & Address: 1810 Airport Exchange Blvd., Suite 500Erlanger, KY, 41018, USAContact Person: Joe MusgraveTelephone No.: (859) 372-4106Equipment Type/Environment: Computing Devices Trade Name / Model No.: 7535 G2 Hand Held Micro-computer with Portable Docking ModuleYear of Manufacture: 2003Standard(s) to which Conformity is Declared:The 7535 G2 Hand Held Micro-computer with Portable Docking Module, supplied by Psion Teklogix, has been tested and found to comply with FCC PART 15, SUBPART B - UNINTENTIONAL RADIATORS, CLASS B COMPUTING DEVICES FOR HOME & OFFICE USE.I, the undersigned, hereby declare that the equipment as tested is representative within manufacturing tolerance to units.Applicant Legal Representative in U.S.Signature SignatureRob Williams Joe Musgrave Full Name Full NameVice President of Engineering V.P. Global Solutions, Americas Position PositionMississauga, Ontario, Canada Erlanger, KY 41018, USA Place PlaceJuly 4, 2003 July 4, 2003 Date Date

Safetyvi Psion Teklogix 7535 Hand-Held Computer Technical Manualparatuur en telecommunicatie-eindappa-ratuur 199/5/EG. (verklaring beschikbaar: www.psionteklogix.com).Dette udstyr opfylder de Væsentlige krav i EU's direktiv 1999/5/EC om Radio- og teletermi-naludstyr. (Erklæring findes på: www.psionteklogix.com).Dette utstyret er i overensstemmelse med hovedkravene i R&TTE-direktivet (1999/5/EC) fra EU. (Erklæring finnes på: www.psionteklogix.com).Utrustningen uppfyller kraven för EU-direktivet 1999/5/EC om ansluten teleutrustning och ömsesidigt erkännande av utrustningens överensstämmelse (R&TTE). (Förklaringen finns att läsa på: www.psionteklogix.com).Tämä laite vastaa EU:n radio- ja telepäätelaitedirektiivin (EU R&TTE Directive 1999/5/EC) vaatimuksia. (Julkilausuma nähtävillä osoitteessa: www.psionteklogix.com).Use of the 802.11b 7535 G2 in France:Owing to French Government restrictions, the 802.11b 7535 G2 Hand-Held Computers are limited to indoor use. They may be used outdoors, on private property, only with prior authorization from the French Ministry of Defense.For GSM/GPRS Users in North America:Although the GSM/GPRS Expansion Module is a three band device; only the 1900 (PCS) band is used in North America.This equipment complies with Class B Part 15 of the FCC rules.Operation is subject to the following two conditions:1. This device may not cause harmful interference, and2. This device must accept any interference received, including interference that may cause undesired operation.

Psion Teklogix 7535 Hand-Held Computer Technical Manual viiSafetyChanges or modifications not expressly approved by Psion Teklogix, the party responsible for compliance, may void the user's authority to operate the equipment.1. FCC Information to Users For Class B Unintentional Radiators:This equipment has been tested and found to comply with the limits for a Class B digital device, pursu-ant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates, uses, and can radiate radiofrequency energy and, if not installed and used in accordance with the instruction manual, may causeharmful interference to radio communications. However, there is no guarantee that interference willnot occur in a particular installation. If this equipment does cause harmful interference to radio or tele-vision reception, which can be determined by turning the equipment off and on, the user is encouragedto try to correct the interference by one of more of the following measures:• Reorient or relocate the receiving antenna• Increase the separation between the equipment and receiver• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.2. Warning to Users Warning: Changes or modifications not expressly approved by Psion Teklogix Inc. could void the user's authority to operate the equipment.LASER WARNINGSFor your own safety, it is critical that you comply with the following warnings:CAUTIONDo not look into the laser beam or point the beam at people or animals.CAUTIONUsing controls or adjustments, or performing procedures other than those specified herein mayresult in hazardous radiation exposure.CAUTIONThe use of optical instruments with this product will increase eye hazard.This product contains a laser scanner that emits less than 1.2 mW maximum radiant power at a wavelength of 650nm or 680nm. This product complies with 21 CFR 1040.10, 1040.11 and DIN EN 60825-1: 2001, and is classified as a Class 2 laser product. The SE1200 ALR has an maximum radiated power less than 1.4 mW; according to EN 60825-1: 2001 it is classified as a Class 3B laser product.

Safetyviii Psion Teklogix 7535 Hand-Held Computer Technical ManualDO NOT OPERATE IN AN EXPLOSIVE ATMOSPHEREOperating Psion Teklogix equipment where explosive gas is present may result in an explosion.DO NOT REMOVE COVERS OR OPEN ENCLOSURESTo avoid injury, the equipment covers and enclosures should only be removed by qualified service personnel. Do not operate the equipment without the covers and enclosures properly installed.CAUTION!Danger of explosion if a 7535 G2 battery is incorrectly handled, charged, disposed of or replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the instructions described in “Lithium-Ion Battery Safety Precautions” on page 252 of the 7535 G2 User Manual. Carefully review all battery safety issues.

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 1INTRODUCTION 11.1 About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.2 Supporting Collateral......................................... 31.3 About The 7535 G2 Hand-Held Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31.3.1 Identifying Hardware................................... 41.4 7535 G2 Hardware Architecture................................... 51.3.1 Identifying Hardware................................... 41.4.2 Overview.......................................... 51.4.3 Body Variants....................................... 51.4.4 Scanners.......................................... 61.4.5 The Display........................................ 71.4.6 The Keyboard....................................... 81.4.7 The LEDs......................................... 81.4.8 The Beeper......................................... 81.4.9 Accessory Cards...................................... 81.4.10 The Endcap........................................ 91.4.11 Ports............................................101.4.12 Power Management ...................................121.5 The Portable Docking Module....................................12

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 3Chapter 1: IntroductionAbout This Manual1.1 About This ManualThis manual is intended as a technical reference guide for the Psion Teklogix 7535 G2 Hand-Held Computer, to be used by field personnel servicing those units at both the assembly and component level. Approvals And Safety Summaryis an overview of the 7535 G2 Hand-Held Computer.Chapter 1: Introductiondescribes the features of the 7535 G2 Hand-Held Computer.Chapter 2: Controlsdescribes the controls of the 7535 G2 Hand-Held Computer.Appendix A: Support Services And Worldwide Officesprovides the helpdesk phone number at the Mississauga, Ontario, Canada office and details the support services available. This appendix also lists the worldwide office addresses and phone numbers.1.2 Supporting CollateralFor 7535 G2 schematics, mechanical fabrication drawings, PCB fabrication drawings, datasheets, etc. please refer to the Psion Teklogix intranet website: https://home.teklogix.com/do/mississauga_products/Bills of Materials are available from BaaN. The session to print BOMs is tibom1410m000 (print to “Word” if a soft copy is required).1.3 About The 7535 G2 Hand-Held ComputerThe 7535 G2 is an industrial hand-held computer that runs the Microsoft® Windows® CE.net operating system. The 7535 G2 is intended for operation in temperatures from 0°C to +50°C. It supports the following features:• A portrait-mode passive monochrome or TFT colour ¼ VGA display (with or without a touchscreen) with white LED backlighting.• 58- or 36-key keyboard with EL backlighting.• 32 MB (or 64 MB) of on board flash.• 64 MB (or 128 MB) of on board SDRAM.• Various internal and external undecoded and decoded scanners.• Two different internal image scanners.• 802.11b Compact Flash (CF) radio.• An internal SD card slot intended for use with a memory card or a Bluetooth radio.

Chapter 1: IntroductionIdentifying Hardware4Psion Teklogix 7535 G2 Hand-Held Computer Service ManualFigure 1.1 The 7535 G2 Hand-Held Computer1.3.1 Identifying HardwareThe 7535 G2’s hardware configuration is listed in the information provided by the System Properties applet in the Control Panel. To reach this manually:1. Press [BLUE] + <0> to open the start menu. 2. Select Settings > Control Panel. The Control Panel opens.3. Double-click on the System icon. The System Properties window opens.4. Click on the Properties tab. System Properties lists the hardware and software in the 7535 G2.Listed items include:• Date codes for the 7535 G2’s boot software (‘boot code’), peripheral-controller code (‘PCON code’) and OS software (‘WinCE code’).• Processor type and speed.• Amount of RAM and flash memory.• Type and orientation of display.• Presence and type of touch screen.• Presence and type of scanner.• Type of keyboard.

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 5Chapter 1: Introduction7535 G2 Hardware Architecture• Presence of heater.• Revision and serial number of main logic board (‘MLB Rev’ and ‘MLB Serial’).• Serial number of device.• Presence and type of card in internal PCMCIA and Compact Flash slots (‘PCM/CF Slots’).1.4 7535 G2 Hardware Architecture1.4.2 OverviewThe 7535 G2’s main processor is the Intel PXA255, which is the second generation of the StrongArm processor (SA1110). A smaller, low-power microcontroller, the “peripheral controller”, is used to control and monitor many aspects of the 7535 G2’s hardware, including controlling system power, communicating with the smart battery pack, handling communications with the keyboard controller, collecting raw non-decoded scanner input, monitoring temperature, light, and other sensors.There are also two PIC microcontrollers; one in the keyboard assembly scans the matrix keyboard and controls the LEDs (see ), and the other drives the keyboard backlight.1.4.3 Body VariantsThe 7535 G2 may be ordered with or without a tether port, and with or without a handstrap or handgrip. The handstrap and handgrip are also available as customer-installable options.Part numbers for the assembled housings are as follows. These assemblies include window glass, keypads, beeper boards, and tether-port flexes:Table 1.1 Housing Part NumbersType Of Housing Older IP54 Part Number36-KeyNo TouchscreenNo Tether Port 1001854Tether Port 1001853Touchscreen4-Wire No Tether Port 1001855Tether Port 10018565-Wire No Tether Port 1001852Tether Port 100185158-KeyNo TouchscreenNo Tether Port 1001860Tether Port 1001859Touchscreen4-Wire No Tether Port 1001862Tether Port 10018615-Wire No Tether Port 1001858Tether Port 1001857

Chapter 1: IntroductionScanners6Psion Teklogix 7535 G2 Hand-Held Computer Service ManualOn disassembled units, the housings may be distinguished by a label attached to the inside of the housing:Figure 1.2 Location Of Housing Identification Label1.4.4 Scanners1.4.4.1 Scanner Control ServicesThis top level software service is responsible for supporting a variety of Physical Scan Drivers (PSDs), and presenting an API to applications. It receives decoded scan data from the drivers, performs any configured translations, and delivers the data to the appropriate application(s).1.4.4.2 Non-decoded Laser ScannersThese scanners present raw data to the terminal. Internal and external non-decoded laser scanners are controlled by the main processor. Activation of the scanner trigger(s) or the keyboard scan button(s) causes the main processor to initiate a scan with the appropriate scanner. The peripheral controller acquires the raw scanner data and feeds it to the main processor.The non-decoded scan driver is responsible for receiving this data from the peripheral controller and decoding it before passing it to the Scan Control Service, which performs any configured translations and delivers the data to the appropriate application(s).1.4.4.3 Decoded Laser ScannersThese scanners process their raw data themselves, presenting formatted data to the terminal. Both 1D and 2D decoded laser scanners are supported by the 7535 G2. The scanners will be connected to one of the serial ports and controlled by the main processor. Activation of the scanner trigger(s) or the keyboard scan button(s) will initiate a scan with the appropriate scanner. The decoded scan driver is responsible for receiving scan data and passing it to the Scan Control Service.1.4.4.4 Imaging ScannersThe 7535 G2 can support an imaging scanner; both internal and external imaging scanners are supported. Psion Teklogix provides a driver for this scanner. Housing Identification Label

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 7Chapter 1: IntroductionThe Display1.4.4.5 Scanner VariantsThe following internal scanner devices (scanners and RFID readers) can be included with the 7535 G2:• Wide-angle undecoded 1-D laser scanner (Psion Teklogix assembly part number 10xxxxx).• Standard undecoded 1-D laser scanner (part number 1001833).• Long-range undecoded 1-D laser scanner (part number 1001834).• Advanced long-range undecoded 1-D laser scanner (part number 1001835).• Fuzzy-logic decoded 1-D laser scanner (part number 1001836).• PDF417 decoded 2-D laser scanner (part number 1001837).• VGA decoded imaging scanner (part number 1001838).• XVGA decoded imaging scanner (part number 1001839).• Long-range XVGA decoded imaging scanner (part number 1001840).• XVGA high-density decoded imaging scanner (part number 1001841).• XVGA infinite-focus decoded imaging scanner (part number 1001847).• RFID reader (part number 1001843).• Scanner/RFID reader combination (part number 1001842).An option for no scanner is also available (part number 1020022).The internal scanner device connects through the ScanBay interface.Only one internal scanner is installed in the 7535 G2, but a second hand-held scanner can be connected via the tether port. Internal scanners can be triggered from the trigger switch on the 7535 G2’s handgrip (if present) or from the Scan button on the 7535 G2’s keyboard. External scanners can only be triggered from their own trigger switch.1.4.5 The DisplayThe 7535 G2 is available with a 240x320-pixel display, either monochrome (64 shades of grey) or colour (256k colours). The contrast of the display can be adjusted from the keyboard via hot-keys, and is automatically temperature-compensated.1.4.5.6 Touch InputTouch input is an option for the 7535 G2’s display. The touch driver controls the hardware directly to receive touch-down, touch-up, and movement events. Touch events are passed to the application via the operating system.1.4.5.7 The Display BacklightThe 7535 G2 has a backlight behind its display. This backlight can be adjusted for intensity, and can be configured to turn on when the ambient light level drops below a configured value.

Chapter 1: IntroductionThe Keyboard8Psion Teklogix 7535 G2 Hand-Held Computer Service Manual1.4.5.8 Display VariantsThe 7535 G2 is available with the following displays:• Colour with no touch screen.• Colour with 4-wire touch screen.• Colour with 5-wire touch screen.The touch screen is provided as part of the display window glass. Devices with no touch screen have plain glass.The 5-wire touch screen is more accurate than the 4-wire touch screen, but is more fragile. The display and touch screen are connected to the motherboard of the 7535 G2 through a Display Transition Board (DTB). The displays with the 4-wire touch screen use a DTB with part number 1916135-004; other displays (those with no touch screen and with the 5-wire touch screen) use DTB 1916135-001.Table 1.2 Display Options For The 7535 G21.4.6 The KeyboardThe 7535 G2 has two types of available keyboard layouts. One type has 58 keys; the other has 37 keys.Windows CE .NET returns ‘virtual key codes’ for keypresses. Psion Teklogix’ keyboard drivers take into account when Psion Teklogix’ own special modifier keys (such as the Blue or Orange key) are pressed; the keyboard driver provides the virtual key code of the modified key.1.4.6.9 The Keyboard BacklightThe 7535 G2 has a backlight behind its keyboard. This backlight can be adjusted for intensity, and can be configured to turn on when the ambient light level drops below a configured value.1.4.7 The LEDsThe 7535 G2 has four tri-coloured indicator LEDs.1.4.8 The BeeperThe 7535 G2 has an internal beeper whose volume can be manually adjusted via keyboard hot-keys. 1.4.9 Accessory CardsThe 7535 G2 can accept accessory cards, which fit into internal slots in the unit. These cards can contain additional memory, a radio, or other accessories. Typically, 7535 G2 hand-held computers are configured at the factory and arrive ready for use. These slots are accessible when the terminal’s endcap is removed.The 7535 G2’s accessory-card slots are not intended for user modification. Display Display Part Number Display Transition Board Touchscreen Window Part NumberColour 1030033-001 1916145-001 none 1020052-001 (glass)5-wire 1030079-999 (5-wire touchscreen)1916145-004 4-wire 1030170-999 (4-wire touchscreen)

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 9Chapter 1: IntroductionThe Endcap1.4.9.10 Card VariantsThe 7535 G2 has two internal card slots, one for a Compact Flash card, and one for an MMC/SD card. The Compact Flash slot is normally occupied by a radio. It can accept the following cards:• A memory card (64, 128, 256, or 512 megabytes).• An 802.11g radio card with internal or external antenna.Compact-flash memory cards available for the 7535 G2 have included the following:Table 1.3 Compact-Flash Memory Cards For The 7535 G2Compact-flash radio cards available for the 7535 G2 have included the following:Table 1.4 Compact-Flash Radio Cards For The 7535 G2The MMC/SD slot also supports SDIO cards. It can accept the following cards:• A memory card (64, 128, 256, 512, 0r 1024 megabytes).• A radio card (Bluetooth or 802.11b).MMC/SD cards available for the 7535 G2 have included the following:Table 1.5 MMC/SD Cards For The 7535 G21.4.10 The EndcapThe 7535 G2’s endcap covers the end of the unit, incorporating the window for the internal scanner, if necessary. It can be removed to give access to the card slots and the interior of the unit.Part Number Description9003419 64-megabyte CompactFlash memory card9003420 128-megabyte CompactFlash memory card9003421 256-megabyte CompactFlash memory card9003422 512-megabyte CompactFlash memory cardPart Number Description1001933-001 802.11g radio card for USA1001933-002 802.11g radio card for Europe1001935 quad-band GSM radio cardPart Number Description9001955 64-megabyte SD memory card9001956 128-megabyte SD memory card9001957 256-megabyte SD memory card9001958 512-megabyte SD memory card9001959 1024-megabyte SD memory card1001936-001 802.11b radio card for USA1001936-002 802.11b radio card for Europe9001894 Bluetooth radio card

Chapter 1: IntroductionPorts10 Psion Teklogix 7535 G2 Hand-Held Computer Service Manual1.4.10.11 Endcap VariantsThere are five variants of the 7535 G2’s endcap:Table 1.6 Endcap VariantsThe external RFID reader, model RD7950, fits over the 7535 G2’s endcap, leaving room for the scanner.1.4.11 PortsThe 7535 G2 has the following external ports:• Docking port.Connects to chargers and docking modules; provides USB and serial connections.• Tether port.Connects scanners and other cabled peripherals.See Appendix B for detailed descriptions and pinouts.1.4.11.12 The Docking PortThe docking port allows the terminal to be placed in a cradle that allows battery charging and connection to peripherals. Available peripherals include chargers and a Portable Docking Module (PDM) that provides connections for USB host port, USB client port, and a serial port. See “The Portable Docking Module” on page 12 for details about the PDM.Figure 1.3 The Docking PortThe docking port supplies DC power, a serial ‘console’ port, a USB host port, and a USB client port.PowerPower for charging the batteries and powering the terminal (9-24 V DC; 3.4 A max) is supplied to the terminal through the docking port. The terminal can supply 5V power (1.5 A max, 1A continuous) to an external device through the ‘Power Output’ pin. This power is switched; the switch is controlled by Part Number Description Notes1001737 Endcap without scanner1001739 Endcap with scanner window This endcap is used with all the scanners except the imaging scanners.1001336 Endcap with scanner window, for units with GSM radio.1001735 Endcap with imaging-scanner window This endcap is used with the two imaging scanners, 1030048 and 10300491001391 Endcap with imaging-scanner window, for units with GSM radio.

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 11Chapter 1: IntroductionPortsthe Docking Port Services driver and is turned on only after the device is attached and a valid Dock ID is detected.Console PortThe ‘console port’ is a serial text-mode interface to the 7535 G2’s system. Commands can be issued to the 7535 G2’s bootloader software through this interface. The console port is shared by the 7535 G2’s main processor and its peripheral controller; when the main processor is active, it is connected to the console port by default. This console port is COM3 under Windows CE .NET.The console port uses a standard 3-wire serial interface (TxD, RxD, GND). Signals levels are standard RS-232 levels. This port is provided as a 9-pin D-connector on the Portable Docking Module. USB Host PortThe USB host interface complies with USB specification 1.1 and provides a “high-speed” connection to external devices and hubs. Power for external devices is provided through the docking port’s power output pins. The OHCI driver is in charge of the USB Host interface.USB Client PortThe docking port provides a USB client interface to connect the 7535 G2 to a USB host computer or hub. The 7535 G2 acts as a USB serial device attached to COM4 for Windows CE.NET. The 7535 G2 also can act as a USB client (a Mass Storage Device), when its bootloader is running, to allow software updates via USB.Dock ID By reading a resistance value, the 7535 G2 can identify the device attached to the docking port. The Docking Services driver reads the ID, identifying the device, checks the registry to see which driver to load, then loads the appropriate driver.1.4.11.13 The Tether PortFigure 1.4 The Tether PortThe tether port allows an external non-decoded scanner, a serial scanner, or a USB client device to be connected to the terminal through a single connector. Generic serial devices, such as printers, GPS receivers, and other serial devices, are also supported.Tether Port

Chapter 1: IntroductionPower Management12 Psion Teklogix 7535 G2 Hand-Held Computer Service ManualTether ID The 7535 G2 can identify a device connected to the tether port by sensing an identification resistor within the connected cable. It then configures the port appropriately for the device and enables power to the port. See The Tether Port in Appendix B.1.4.12 Power ManagementThe 7535 G2 is powered by a lithium-ion rechargeable battery pack. The 7535 G2 can be powered from external power when used with the AC adaptor. When the 7535 G2 is powered from the AC adaptor, it will also charge the battery pack.An internal supercapacitor holds charge for up to ten minutes to preserve the contents of RAM while the 7535 G2’s battery is being changed. 1.5 The Portable Docking ModuleThe 7535 G2 can be connected to a Portable Docking Module (PDM). The model 7535 G2 terminal can be connected to the same model PDM as well.Figure 1.5 The Ports Of The Portable Docking ModuleUSB Type-B (Client) PortSerial PortDocking PortUSB Type-A (Host) PortDC Power Connector

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 13Chapter 1: IntroductionThe Portable Docking ModuleThe Portable Docking Module provides serial and USB ports. The PDM has the following ports:•Serial port.This 9-pin D-connector accepts a null-modem serial cable which connects to an external development machine.•USB type B port.This port accepts a cable from a USB host (typically the development machine).•USB type A port.This port connects the 7535 G2 to other devices; the 7535 G2 serves as a USB host.• Docking port.This port connects to the 7535 G2.• DC power connector.Accepts 15 V DC from the power adaptor.The Portable Docking Module is available as part of a kit from Psion Teklogix. This kit, Psion Teklogix part number 1030085, includes the following items:• The Portable Docking Module (part number 1030083-001).• A USB A-B cable (part number 9003322).• A null modem cable (part number 9003659).• An AC-to-DC power adaptor (part number 9007558).• A power cord. (North American power cord: part number 9008693).

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 15CONTROLS 22.1 Overview...............................................172.1.1 Identifying Hardware...................................172.2 The Keyboard.............................................182.2.1 The Keyboard Backlight..................................182.3 The LEDs...............................................182.3.1 Charge LED........................................192.3.2 Radio Traffic LED.....................................192.3.3 Scan LED.........................................192.3.4 User Application LED...................................202.4 The Beeper..............................................202.5 Turning The 7535 G2 On And Off..................................202.6 Resetting The 7535 G2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 17Chapter 2: ControlsOverview2.1 OverviewThis chapter describes the controls of the 7535 G2.2.1.1 Identifying HardwareThe 7535 G2’s hardware configuration is listed in the information provided by the System Properties applet in the Control Panel. To reach this manually:1. Press [BLUE] + 0 to open the start menu. 2. Select Settings > Control Panel. The Control Panel opens.3. Double-click on the System icon. The System Properties window opens.4. Click on the Properties tab. Properties lists the hardware and software in the 7535 G2.Listed items include:• Date codes for the 7535 G2’s boot software (‘boot code’), peripheral-controller code (‘PCON code’) and OS software (‘WinCE code’).• Processor type and speed.• Amount of RAM and flash memory.• Type and orientation of display.• Presence and type of touchscreen.• Presence and type of scanner.• Type of keyboard.• Presence of heater.• Serial number of main logic board (‘MLB Serial’).• Serial number of device.• Presence and type of card in internal PCMCIA and Compact Flash slots (‘PCM/CF Slots-’).

Chapter 2: ControlsThe Keyboard18 Psion Teklogix 7535 G2 Hand-Held Computer Service Manual2.2 The KeyboardThe 7535 G2 has two types of available keyboard layouts. One type has 58 keys; the other has 37 keys.Figure 2.1 58-Key Keyboard (left) And 37-Key Keyboard2.2.1 The Keyboard BacklightThe 7535 G2 has a backlight behind its keyboard. This backlight can be turned off and on, adjusted for brightness, and configured to turn on when the ambient light level drops below a configured value.2.3 The LEDsThe 7535 G2 has four tri-coloured indicator LEDs.Figure 2.2 Indicator LEDsUser Application LEDCharge LEDScan LEDRadio LED

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual 19Chapter 2: ControlsCharge LED2.3.1 Charge LEDThe lower-right LED is reserved for internal charger/power status. This indicator is active even when the 7535 G2 is inserted in a docking station (and in suspend mode) so that the charge status of the battery can be detected easily.2.3.2 Radio Traffic LEDThe upper-left LED on the 7535 G2 flashes yellow or green when the radio transmits and receives data.Note: While the standard 802.11b radio available for the 7535 G2 supports the transmit/receive LED, not all radios support this function.2.3.3 Scan LEDSuccessful scans are indicated in two ways – by the scan LED and with an audio tone.Function Charge LED BehaviourExternal power not available. LED off.Fully charged to within 95% of charge capacity. LED displays solid green colour.Quick charge successfully completed to within 75% of charge capacity. LED flashes slow green.Charge in progress. LED displays solid yellow colour.Cell temperature out of range for charge. LED flashes yellow.Unable to charge battery. LED displays solid red colour.Charge circuit failure. LED flashes fast red.Table 2.1 Charge LEDsFunction Radio Traffic LED BehaviourRadio Transmit LED flashes yellow.Radio Receive LED flashes green.Table 2.2 Transmit and Receive LEDsFunction Scan LED BehaviourScan in progress LED displays solid red during scan.Successful scan LED displays solid green after decode. Off when scan ended.Unsuccessful scan LED flashes red.Table 2.3 Scan LED

Chapter 2: ControlsUser Application LED20 Psion Teklogix 7535 G2 Hand-Held Computer Service Manual2.3.4 User Application LEDThis indicator is available for custom applications. Neither the 7535 G2’s operating system nor Psion Teklogix’ terminal-emulator TekTerm use this LED.2.4 The BeeperThe 7535 G2 has an internal beeper whose volume can be manually adjusted via keyboard hot-keys. 2.5 Turning The 7535 G2 On And OffTo switch on: press and hold the [ENTER/ON] key for at least one second.To switch off: press the [BLUE] key, then press the [ENTER/ON] key. The 7535 G2 enters a suspended state. The contents of RAM are preserved.2.6 Resetting The 7535 G2The 7535 G2 hardware can be reset in two different ways. The first way restarts the operating system. The second way does not load the operating system, but presents the bootloader. The bootloader can load the operating system. It has a text-mode console at which commands can be entered.To reset the 7535 G2 and restart the operating system:• Press and hold down the [BLUE] key and the [ENTER/ON] key simultaneously for a minimum of six seconds. The four indicator LEDs light for a second, and the screen displays the Psion Teklogix and Microsoft® Windows® CE.net splash screen before displaying the startup desktop.To reset the 7535 G2 and display the bootloader:• Press and hold down the [SCAN] key, the [BLUE] key and the [ENTER/ON] key simultaneously for a minimum of six seconds. The four indicator LEDs light for a second, and the 7535 G2 displays the boot-loader’s opening screen. A reset results in a complete reboot of the unit. All RAM memory contents are lost. The contents of the flash memory and memory card are preserved.

Psion Teklogix 7535 G2 Hand-Held Computer Service Manual -1APPENDIX ASUPPORT SERVICES AND WORLDWIDE OFFICESPsion Teklogix provides a complete range of product support services to its customers worldwide. These services include technical support and product repairs. A.1 Technical SupportTechnical Support for Mobile Computing Products is provided via e-mail through the Psion Teklogix customer and partner extranets. To reach the website, go to www.psionteklogix.com and click on the Teknet link on the home page, which takes you to the Partner Program page. Then click on the Log-in button or the Register button, depending on whether you have previously registered for TekNet. Once you have logged in, search for the Support Request Form.A.2 Product RepairsInternationalFor technical support outside of Canada or the USA, please contact your local Psion Teklogix office listed on our worldwide website: http://www.psionteklogix.comClick on the heading labeled ‘Contacts’ to choose a Psion Teklogix technical representative closest to you.Canada/U.S.ACanadian and U.S. customers can receive access to repair services, by calling the toll-free number below, or via our secure website (see Technical Support, above). Note: Customers calling the toll-free number should have their Psion Teklogix customer number or trouble ticket number available.Voice:1 800 387-8898 (press option “2”)Fax:1 905 812-6304

-2Psion Teklogix 7535 G2 Hand-Held Computer Service ManualA.3 WorldWide OfficesCOMPANY HEADQUARTERS AND CANADIAN SERVICE CENTREPsion Teklogix Inc.2100 Meadowvale BoulevardMississauga, OntarioCanada L5N 7J9Tel:+1 905 813 9900Fax:+1 905 812 6300E-mail:salescdn@psion.comNORTH AMERICAN HEADQUARTERS AND U.S. SERVICE CENTREPsion Teklogix Corp.1810 Airport Exchange Boulevard, Suite 500Erlanger, KentuckyUSA 41018Tel:+1 859 371 6006Fax:+1 859 371 6422E-mail:salesusa@psion.comINTERNATIONAL SUBSIDIARIESPsion Teklogix S.A.La Duranne135 Rue Rene DescartesBP 42100013591 Aix-En-ProvenceCedex 3; FranceTel:+33 (0) 4.42.908.809Fax:+33 (0) 4.42.908.888E-mail:tekeuro@psion.comA.4 Worldwide Webwww.psionteklogix.com

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