Casio FA-127 Specifications

RBN-10 (ZX-456)BN-20 (ZX-457)NOV. 1997(without price)BN-20

— 10 —To reset after viewing data1. After the DATA ERROR message appears, press OK (Yes).2. In response to the message that appers (DATA ERROR! CONSUL

— 11 — Memory StatusYou can use the following procedure at any time to check the current status of BN Unitmemory.To check memory status1. Press MENU

— 12 —• The following dialog box appears after you press OK to start memory management.• You can press ESC at any time to stop the memory management p

— 13 —2-3. Backlight Operation (BN-20 only) About the EL backlight (BN-20 only)• The BN-20 is equipped with an EL backlight that allows easy viewing

— 14 —2-4. Power SupplyYour BN Unit can be powered by two AA-size alkaline batteries (LR6(AM3)) or the following optionalAC adaptor.Optional AC Adapto

— 15 —Important!• Use only the following optionally available AC adaptor model with this product: AD-A70140.• Use of a AC adaptor model other than tha

— 16 —3. RESET OPERATION and BATTERY REPLACEMENT3-1. Reset OperationWarning!The following procedure erases all data stored in the memory of the BN Uni

— 17 —4. In response to the message that appears, press OK to reset the BN Unit and clear all memorycontents, or ESC to abort the reset procedure with

— 18 —3-2. Battery ReplacementImportant!• Always unplug the AC adaptor from the BN Unit before replacing batteries.• Always make sure the battery swit

— 19 —7. Slide the battery switch back to the NORMAL OPERATION position.8. Press the power on key (BN-10: ON, BN-20: ON/OFF) to turn on power.• This c

— 2 —CONTENTS1. SPECIFICATIONS...32. GENERAL GUIDE2-1. Ap

— 20 — Selecting a Time ZoneYou can select a Home Time zone for the place where you normally work and live, and a secondWorld Time zone for simultan

— 21 — Setting the Home TimeUse the following procedure to set the time and date for your Home Time. The times for all other timezones are calculated

— 22 —5. After making the settings you want, press OK to register them.• Turning on daylight saving time causes the standard time to be advanced by on

— 23 —2. Input the hour and minutes of the alarm time you want to set.• Use and to move the selection (flashing) between the hour and minutes.3. I

— 24 —4. DATA COMMUNICATION4-1. GeneralYou can exchange data between your BN Unit and a personal computer using PC sync for Windows.This provides the

— 25 —4-2. Connecting the CASIO BN Unit to PCImportant!Be sure to turn off the power of both your BN Unit and computer before connecting them. Failure

— 26 —3. With the side marked CASIO facing up (so you can see it), plug the Mini Cradle connector straightinto the BN Unit port.Important!• Make sure

— 27 —4-3. PC sync for Windows (Brief explanation)If you want to known PC LINK Software for BN-10/20 (PC sync for Windows) in detail, refer to theUser

— 28 —● PROCEDUREThe menu items (“Casio” ➝ “Backup” ➝ “Send” or “Receive”) enable you to transfer all the data ofyour BN Unit fast and efficiency to

— 29 —5. OPERATION CHECKREMARK: Before entering this check, the reset operation is necessary.Therefore, performing this check, all data saved in the u

— 3 —1. SPECIFICATIONSModel: BN-10/BN-20Main Modes:SCHEDULER (SCHEDULE, TO DO, REMINDER); CONTACTS; MEMO; EXPENSE MANAGER;SPREADSHEET; CLOCK (Home Tim

— 30 —5-2. Operation CheckThree items (5. OPTION CHECK/ 6. CRADLE CHECK/ 7. MODEM CHECK) in these nine test itemscan not be executed for the following

— 31 —4 PATTERN-3Press ESC, then 3 button. The following display appears. FRAME5 PATTERN-4 Press ESC, then 4 button. The following display appea

— 32 —8 CONTRASTPress ESC, then 7 button. The following display appears.9 PATTERN-6Press ESC, then 8 button. The following display appears.According t

— 33 —2 SRAM MEMORY CHECKPress 1 button, the following display appears.ROM SUM(CS8)= XXXX(CS7)= XXXXSRAM CHECK(128K)= OKIn case of abnormal S-RAM, NG

— 34 —6 SRAM READ CHECKPress ESC, then 5 button. The following display appears.SRAM CHECK(128K)= OK7 FLASH CROSS BIT CHECKPress ESC, then 6 button. T

— 35 —2 AUTO KEY CHECKPressing 1 button, no display appears. Press 01, 02, ..., then 71 button one after another and inorder referring to the illus

— 36 —3 ALARM1Pressing 2 button, BEEP sound is emitted twice in one second.Then press ESC button to stop ringing.4 ALARM2Pressing 3 button, BEEP sound

— 37 —8 NMI CHECKThe term "NMI" means Non Mask-able Interrupt with CPU.Pressing 7 button, the following display appears.PLEASE NMIPress RESE

— 38 —CauseThe time you are trying to set foran alarm is already passed.The time you are setting for analarm is already used.The maximum allowable lim

— 39 —MessageMEMORY IS FULL!CELLS IN THE RANGE YOUARE DELETING CONTAINDATA. DELETE THEM ANY-WAY?THIS OPERATION WILLPUSH SOME DATA OUT-SIDE THE SPREADS

— 4 —Current consumption: at battery voltage = 3 V, at data transmission with MODEMNote: Value measured actually139 mA (at battery voltage = 3 V, at d

— 40 —POSSIBLE CAUSES1.The battery switch on the backof the unit is set to REPLACEBATTERIES.2.Battery power is low.3.Display contrast is too light.Pro

— 41 —Pin No. Name I/O Function1 ~ 12 KO1 ~ KO12 O Key scanning signals13 ~ 20 KI1 ~ KI8 I Key scanning signals27 TCH I Signal to CPU for the start of

— 42 —Pin No. Name I/O Function1 VDD1 I Power supply to Gate array (5 V)2 V5WEB O not used3 V5A20 O not used4 BSYB I not used5 V5A21 O not used6 V5A16

— 43 —Pin No. Name I/O Function67 P7 I not used68 TXD3 O not used69 RXD3 I not used70 TXD I Terminal for serial data transfer (both PC LINK and MODEM)

— 44 —9. CIRCUIT EXPLANATION9-1. Block Diagram(BN-20 only) EL driver DC/AC inverter (BN-20 only) EL LCD 319 × 160 dots Segment-TA

— 45 —9-2. Power Supply1. Refer to 9-1. Block Diagram.2. Common mode coil (EF601) is used to prevent the emission of high frequency noise from ACAdapt

— 46 —3. When battery voltage becomes to be about 2.1 V, BLD1 terminal voltage becomes to be about 0 Vand the low battery message appears even if AC A

— 47 —9-3-3. Bias voltage generator IC (IC708) for LCDLCD is driven by steps shaped AC voltage as shown to the right.The number of steps shown to the

— 48 —10. SCHEMATIC DIAGRAMSMain block (PCB ASSY-A140806)-1/5✽ Connection terminal with soldering-P101, P102UnitP101no connection with solderingno con

— 49 —Main block (PCB ASSY-A140806)-2/5FM3416Gate array

— 5 —2. GENERAL GUIDE2-1. Appearances and Display IndicatorsDisplayMode keysCursor keysOption portKeyboardLockMini Cradle portAC adaptorconnectorP but

— 50 —Main block (PCB ASSY-A140806)-3/5✽ 1 KEY81 (CHECK/TRANS KEY)is a key for TEST, not one for users.

— 51 —Main block (PCB ASSY-A140806)-4/5LINE DRIVER/RECEIVER

— 52 —Main block (PCB ASSY-A140806)-5/5AC AdapterBatteries

— 53 —Memory block (PCB ASSY-A241123)ROM IC320 IC321 R330 LSI308MASK ROMFLASH ROM usednot usedusednot usedusednot usednot usedusedUnit's Name LSI

— 54 —Display block (LCD ASSY-A140809/A140814)-1/3BIAS for LCD R718 R717 R716 R7151/101/11 not usedusednot usednot usedusedusednot used1/12 used used

— 55 —Display block (LCD ASSY-A140809/A140814)-2/3LCD common terminal driver

— 56 —Display block (LCD PCB ASSY-A140809/A140814)-3/3LCD segment terminal driver

— 57 —Cradle (A140805)BN-10/20(PCB-Z456-1)shielded

— 58 —11. DISASSEMBLY* Refer to 13. EXPLODED VIEW (the parts (B and N) are used for only BN-20).11-1. Disassembly for keyboard side1. Slide the batter

— 59 —11-2. Disassembly for display side1. Perform the items 1 ~ 9 and 17 of Disassembly of keyboard side .2. Remove two screws S5 .3. Remove the l

— 6 — Display IndicatorsThe following shows the names of the various indicators that appear on the display and explains whatthey mean.: Data runs off

12. PARTS LISTN Item Code No. Parts Name Specification Applicable Q RPCB ASSY (A140806)N LSI2 2012 5804 LSI FM3416 Common 1 BIC501 2012 5543 IC/MOS MC

N Item Code No. Parts Name Specification Applicable Q RLCD ASSY (A140814*1)N36420 9490PCB ASSYA140817D*2BN-20 1 BN125861 3593ELECTRO LUMINESCENECEEL-Z

N Item Code No. Parts Name Specification Applicable Q RTOTAL ASSYN376420 8840CASE/LOWERA140729-1BN-10 1 CN376420 9480CASE/LOWERA140729-2BN-20 1 CN 38

— 63 —13. EXPLODED VIEW (1/2)AS6S5S4CN601CN103CN102CN701CN101*Refer to CROSS SECTON of EXPLODED VIEW (2/2)*Refer to KEY ARRANGEMENT of EXPLODED VIEW (

— 64 —13. EXPLODED VIEW (2/2)KEY ARRANGEMENT1234567890ESCQWE R T YU I OPBSTAB A S D F G H J K LSHIFTCOMMANDACCSPACECAPSSYMBOLDELOKZXCVBNM, . /ON/OFFLI

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

— 7 —2-2. Modes and Cursor Keys etc.In order to use the powerful features and functions of the BN Unit, you must first enter one of thefollowing modes

— 8 — Using the Cursor KeysUse the large round cursor key located in the upper right corner of the BN Unit’s keyboard wheneveryou have to perform any

— 9 — Important PrecautionsNote the following important precautions whenever using your BN Unit.• Never expose the BN Unit to fire.• Avoid temperatur