Casio PA-2500 Specifications

Handheld Personal ComputerPA-2500U(PX-675)RFEB. 1998(without price)PA-2500U

— 7 —DESKTOP COMPUTER SYSTEM CONFIGURATIONThe computer configuration described below is required to support the installer and the software applica-tio

— 8 —Important • Should the display lock up or go blank at this time, first perform the full reset (page 12). If this does notcorrect the problem, rem

— 9 —REPLACING BATTERIESThe CASSIOPEIA has a dual power supply that consists of main batteries and a backup battery. Be sure toload the main batteries

— 10 —5. Reattach the battery holder to the CASSIOPEIA.• The battery holder will emit a click and the battery holder release will automatically lock w

— 11 —RESETYou should reset the CASSIOPEIA whenever it stops working or whenever some other operational problemhas caused it to malfunction.To reset t

— 12 —FULL RESETPerform the full reset when you want to clear all memory contents and settings because memory contentsare corrupted, because you have

— 13 —CONNECTING TO A DESKTOP COMPUTERUse the following procedure to connect the CASSIOPEIA to a desktop computer.Note that exchanging data with a des

— 14 —REPLACING THE PC CARDThe CASSIOPEIA comes equipped with a PC card slot that supports memory, modem and other PC cards*.* Use only PC cards that

— 15 —REPLACING THE COMPACTFLASH CARDThe CASSIOPEIA comes equipped with a card slot that supports CompactFlash cards.Important • If the card stops par

— 16 —CONNECTING TO EXTERNAL EQUIPMENTYou can connect external equipment to the data communication connector. You can also use special soft-ware to se

CONTENTSHARDWARE SPECIFICATIONS -------------------------------------------------------------- 1General Specifications--------------------------------

— 17 —MEMORY BACKUP / RESTOREMake the backup copy by Windows CE Services to your PC before repairing PA-2500U, and restore thedata from PC to user’s P

— 18 —6. Click “Full: back up all data” and “Back Up Now”.7. Confirm the file name of bakup copy and then click “OK”. Backup starts.

— 19 —RestoreExecute Restore after repairing.1. Turn on the user’s PA-2500U and then Welcome wizard appears.2. Execute touch panel calibration and the

— 20 —7. Restoring starts.8. Click “OK”.

— 21 —10 M 32.768 K3.68MPLL X480 MHzCPUSH-7093 (IC1)PCMCIACardCompactFlashCardRAM 8 MbyteHM51W16165(RAM5~RAM8)ROM 8MbyteMemory Slot(U301~U305)LCDELLCD

— 22 —Device FeaturesCPU SH-7093 (IC1)Hitachi 32 bit RISC CPU.Sleep/Standby Power Mode.TLB supports 1K/4K bytes page,128 entries.8K bytes Cash.Interru

— 23 —Device FeaturesTouch Panel A/D 10 bit analog to digital converter in System LSI.Audio D/A 10 bit digital to analog converter in System LSI.8/11.

— 24 —LSI/IC DATASH-7093 (CPU / IC1)No. Pin Name Io/Out Function To/From1 D27 I/O Data bus2 D26 I/O Data bus3 D25 I/O Data bus4 D24 I/O Data bus5 D23/

— 25 —No. Pin Name Io/Out Function To/From58 A15 O Address bus59 Vss GND60 Vcc +3.3V source61 A16 O Address bus62 A17 O Address bus63 A18 O Address bu

— 26 —No. Pin Name Io/Out Function To/From119 CASHHB / CAS2HB O D31-D24 / D15-D8 select signal BGA288,ROM Board120 CASHLB / CAS2LB O D23-D16 / D7-D0 s

* Windows is a registered trademark of Microsoft Corporation in the U.S.A. and other countries.* i486DX and Pentium are registered trademarks of Intel

— 27 —MB87A915 (Gate Array/IC3)No. Pin Name Volt Io/Out Function To/From1 CFCE1B 3v O CE signal for CompactFlash card CompactFlash card2 IOPORT0 3v I/

— 28 —No. Pin Name Volt Io/Out Function To/From60 V5D0 5V I/O Data bus PCMCIA CARD61 V5A0 5V O Address bus PCMCIA CARD62 VDD1 5V +5V source63 V5D8 5V

— 29 —No. Pin Name Volt Io/Out Function To/From121 KBOUT7 3V O Key common signal Keyboard122 KBOUT6 3V O Key common signal Keyboard123 KBOUT5 3V O Key

— 30 —No. Pin Name Volt Io/Out Function To/From182 LOCK 3V I Not used183 MEMCLB 3V I Not used184 A25 3V I Address bus185 A24 3V I Address bus186 A23 3

— 31 —No. Pin Name Volt Io/Out Function To/From243 STATUS0 3V ISTATUS0 signal from CPUIC1244 ONSTATUSB 3V I ONSTATUS signal from CPU IC1245 CE2B 3V I

— 32 —12345678910111213142827262524232221201918171615C2+C2–V–R1INR2INR3INR4INR5INT1OUTT2OUTT3OUTT3INT2INT1INC1+V+VCCGNDC1-ENSHONR1OUTBR2OUTBR1OUTR2OUT

— 33 —UPD42S16160LG5BRN5VD18CA (IC113)A0 to A11 : Address InputsI/O 1 to I/O 16: Data Inputs/OutputsRAS : Row Address StrobeUCAS : Column Address Stro

— 34 —DIP/SO(Top View)12348765CSGNDAGNDREFEXTOUTFBSHDNMAX608 (IC105,IC106)EMI FILTER ARRAYUPD23C32000LGY

— 35 —ACDTCTB (to MB87A915)CHGDTCTB (to MB87A915)To 3V and V5 circuits.F100D100C105D101 F101Q127D102Alkaline(1.6 ~ 3.4 V)Li-ion(3.0 ~ 3.6 V)AC Adapter

— 36 —Q104BATDTCTChangeover circuit for loadingAlkaline = OPENLi-ion = CLOSESW3V3SYSIC104D104D105F101 L102Q109Q107Primary CircuitBATDTCT = OPENQ104

— 1 —HARDWARE SPECIFICATIONSGeneral SpecificationsModel: PA-2500UDisplay: 640 × 240 dots/0.24 dot pitch, FSTN LCD, 4 grayscale monochromeCPU: SH3Memor

— 37 —Q110Q112Q123 CR2032 Q122 VIN EXTVOUTIC108D103L103Q108SHDN EXTCSV+MAX608 (IC106)Primary CircuitV3SYSV3MAINV3AUDV3RAM VSUBV3ROM (To ROM)ONSTATUSB

— 38 —5V Circuit (VIO)VELPELVPCPCRD2P5DCHGONSTATUSBP5VPSEL5VCRDIFPCRDVCARDQ125Q116Q114Q113Q126L104Q124R140V+CSEXTQ117Q120D109Q118Q115Q128Q111MAX1651(I

— 39 —V3MAINVDDVAMPP25ONVLCD-ONSTATUSBPLCDVLCD+VTHEVOL 0EVOL 1EVOL 2EVOL 3VDDCAP+V01IO 1C2C3C4C1OI2IO2OI3IO3OI4IO4OIVDDL219Q200Q201Q202Q203 D203Q204Q2

— 40 —Voltage LineConnectorPCMCIAV3AUDV3RAMV3SYSV3ROMVCRDIFVIOVCARDVLCD+VLCD–VDDVELVTHV3IRDAIC1SH-7093CPUIC4CIM-10SIRICRAM5~8ECSTOJY106RD-RAMU301/U302

— 41 —AC ADAPTER DETECTORBACKUP BATTERY DETECTORVDETECTOR 2DETECTOR CIRCUITThe detector circuit consistes of 7 blocks as follows;1 : VDETECTOR1 (Alkal

— 42 —STARTLoad mainbatteriesRemove Main and Backup batteriesPress ONDisplay appear?Press RESETbutton and then ONReplacebatteries withnew onesDisplay

— 43 —OPERATION CHECKPreparation1 : PA-2500U 5 : AC-adapter2 : Alkaline batteries 6 : Charger3 : Jigs of RS-JIG-232C and RS-JIG-3PIN 7 : Rechargeable

— 44 —** Main Menu **0 AUTO MODE1 DISPLAY2 TOUCH PANEL3 MEMORY4 SERIAL5 POWER CONTROL6 AUDIO7 OTHERS8 AUTO MENU19 AUTO MENU2– AUTO MENU3CPROG Rev, 0.8

— 45 —12Space, Alt + <, Alt + >7** Main Menu **0 AUTO MODE1 DISPLAY2 TOUCH PANEL3 MEMORY4 SERIAL5 POWER CONTROL6 AUDIO7 OTHERS8 AUTO MENU19 AUTO

— 46 —Step Operation Display NoteEnter, 3151617** Memory **1 ROM CHECK SUM2 ROM BUS CHECKROM1=059aROM2=059aROM3=***18** Memory **1 ROM CHECK SUM2 ROM

— 2 —No. Length (L) Angle (A)1 L = 80 cm A = ±15 degree2 L = 10 cm A = 0 degreeALPA-2500UPA-2500UElectrical SpecificationsCurrent Consumption (V-in: 2

— 47 —4130Make sure green LEDgoes out. Put batterycover back on after check-ing.Green LED lights.NoteMake sure backup batteryis installed.Step Operat

— 48 —StepOperation DisplayNoteOperation DisplayUNIT-1 UNIT-2IrDA** Main Menu **0 AUTO MODE1 DISPLAY2 TOUCH PANEL3 MEMORY4 SERIAL5 POWER CONTROL

— 49 —<Infrared SEND/RECEIVE>1 Send data (MAX Baudrate)2 Receive data(MAX Baudrate)3 Send data (MIN Baudrate)4 Receive data(MIN Baudrate)<

— 50 —** Main Menu **0 AUTO MODE1 DISPLAY2 TOUCH PANEL3 MEMORY4 SERIAL5 POWER CONTROL6 AUDIO7 OthersCurrent Consumption and Voltage Detectors

— 51 —Connect the items asshown.1 : Turn the power off.2 : Supply the voltage to backup battery termi-nals as right figure .3 : Remove main batter

— 52 —Setting Connect the items asshown.VDET1 OFFVDET2 OFFVDET1R OFFVDET2R (indefinite)VDET3 OFFVDETS ONRecharge OFFCHKPRG OFFAC Adapter USEDCover CLO

— 53 —Put power supply voltagedown by degrees.VDET1R ONVDET2R OFFMeasure the voltage thatVDET1R becomes ON.VDET1R= 3.3 V ± 2 %Put power supply voltage

— 54 —DISASSEMBLY • ASSEMBLY1. Module1. Remove dummy card and stylus.2. Remove the backup battery cover by pressing a point with the stylus shown belo

— 55 —7. Remove the connecter in the main battery campartment leading from the backup battery compartmentby pulling it straight up.Caution:Pulling the

— 56 —Terminal holderK-spacer5. Remove the terminal wire, then remove the main board.6. When you replace K-film (35), stick K-spacer (34) on the “ON”

— 3 —ACCESSORIESThe stylus is inserted into the CASSIOPEIA.• Stylus • Dummy Card • RS-232C CableThe dummy card is inserted in the CASSIOPEIA.• CD-ROM•

— 57 —3. Removal of touch panel and LCD unit* Removal is possible without removing the main board.1. Unscrew two screws (25), then remove hinge holder

— 58 —6. Remove the hinges and place the cases flat as shown below.7. Hold two FPCs togother and roll them up as shown below.8. Lift up the main board

— 59 —9. Slide the shaft piece (55) to the direction of the arrow to remove it.10. Remove seven screws (56) and screw (49) , then remove LCD unit.Caut

— 60 —4. Precautions when installing LCD unit.1. Do not touch the TAB of the display. (To prevent open circuits)14. Remove the connector on microphone

— 61 —5. Installation of shaft piece1. Roll up the FPC of the display around on a precision screwdriver.2. Pass FPC through an opening on the bottom o

— 62 —3. Let the upper case stand and pass the rolled up FPCs through the hole.4. Pull the FPC from inside the upper case.6. How to pass FPC through t

— 63 —7. Precautions when assembling1. Speaker and backup battery both are connected by 2-pin connectors. The connector closer to thehinge are for th

— 64 —4. Before putting the upper case and lower case together do not forget to set the filter (16) next to thethree pin connector.5. Before putting t

— 65 —EXPLODED VIEWaabf252756561223245657891011121314151617191720212223242526282930303127323435363739383030304041424344454846475051525354555657566160b

— 66 —Item Code No. Parts Name Specifications Q RCOMPONENT1 6670 1912 CASE/LOWER (DISPLAY) C341910*1 1 C2 6562 1170 SCREW C442157-1

— 4 —SYSTEM CONFIGURATIONInfrared portCASSIOPEIADesktop ComputerPrinterAC adapterCD-ROMDesktop ComputerPrinterConverterRS-232C CableCompactFlash CardP

— 67 —Item Code No. Parts Name Specifications Q RDP UPPER CASE UNIT50 6670 1921 TOUCH PANEL ASS'Y C341909*1 1 A51 6670 1919 PCB ASS

— 68 —WIRING DIAGRAMQVLR03 Li-ion38.4kbps115.2kbps115.2kbpsADP connectorHEC3650-012010046240030001800MIC, LCD connectorIL-FPR-30S-VFLCD connector24800

— 69 —PCB VIEW

— 70 —SCHEMATIC DIAGRAMSZ340-1 PCB 1/3 (MAIN)To Z340-1 PCB 3/3 (DP I/F BLOCK) To Z340-1 PCB 2/3 To Z340-1 PCB 3/3To Z340-1 PCB 3/3To Z340-1 PCB 3/3 T

— 71 —Z340-1 PCB 2/3 (POWER SUPPLY)>>>>>>>>>>>>>>>>>>>>>>>>>>Alkaline De

— 72 —Z340-1 PCB 3/3 (DP I/F BLOCK)To LCD unit To LCD unit To Z340-DPMI PCB (MIC)CN200 CN201<<<<<<<LCD Power Circuit–10.0 VCompac

— 73 —Z370-ROM PCB (ROM)To Z340-1 PCB 1/3 (MAIN)CN7

— 74 —Z340-DPMI PCB (MIC)To Z340-LED PCB (LED)CN5From Z340-1 PCB 1/3 (MAIN)CN4To LCD unitCN1

— 75 —V3SYS1MR5V3SYSQ1DTA114YKAT146R2680R1680R491R391D1 SML-210LT D2 SML-210LT D3 SML-210LT SW1EVQPSC02K D4 SML-210LTV3SYS11234523To DPMI

— 76 —KeyOutput0EscTab12345~`KeyOutput167890—Resv. ELON–KeyOutput2QWE R T Y U IKeyOutput3ASDFGHOPKeyOutput4ZXCVBNJKKeyOutput5M<LResv. : + >,

— 5 —GENERAL GUIDETo remove: Pull on the part of the stylusthat protrudes from the unit.To replace: Taking care to orient the styluscorrectly, press i

CASIO TECHNO CO.,LTD.Overseas Service Division8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160-0023, Japan

— 6 —• Backup battery compartmentHolds the backup battery (CR2032).• Battery holderHolds main batteries(AA-size alkaline).• Battery holder releaseSlid