Casio SF-R10 Specifikace

SF-8500(LX-575)AUG. 1993R(without price)INDEX

— 9 —To change the hardwareparameters, press the , , and cursol keys.HARDWARE PARAMETERSPARITY EVEN ODD NONEBIT LENGTH7 bits

— 10 —1 ONE DATA ITEM2 MODE DATA ITEMS3 ALL DATA ITEMS— SEND —TELSEND ALL DATA ITEMS ?YES SET / NO ESCTELNOW SENDING !TO STOP, PRESS ESC3 Press

— 11 —Message CauseSTOPPED ! • ESC key pressed on transmitting or receiving unit.• Memory area of receiving unit full.• Battery power drops below a

— 12 —8. DISASSEMBLY (SF-8500)1) To open display unit1. Remove the key switch sheet from the display frame with care using a sharp tweezers andremove

— 13 —2) To open battery cover and back cover1. Release the one screw of battery cover and remove the battery cover.2. Remove the batteries. (Refer s

— 14 —C0~C47CPUROMROM(Character Generator)(Operation Program)HD62063B01POWER SUPPLYCHIP FOR LCDSC371015FUGATE ARRAYµPD65005G-566-22Power supply circui

— 15 —VREG,V1~V4Outputfor LCDdriverPDBPower supply chipSC371015FUVDD2VDD1VO1GND(Pin2)(Pin1)(Pin19)(Pin31)VINGNDVDDVDDVOTKACKIOADDRESS BUS2 MHzVDD1ONMA

— 16 —10-2. Power supply circuit1) Power supply circuit for CPU, GATE ARRAY, CG ROM and RAMs.When the memory back-up battery or main batteries are se

— 17 —When the voltage from the main batteries becomes +3.7V ±0.1V, the terminal VCOMP0 (Pin No.5) ofthe power supply chip (LSI2) becomes "L"

— 18 —7) Power supply chip SC371015FUVDD1VDD2VO1VDDPDBGATE ARRAYVOT terminalFROM(4.3 V ~ 4.7 V)20 17+GND131VSS(VREG) -3.07 -5.27V1 +3.50 +3.23V2 +2.57

CONTENTS1. SCHEMATIC DIAGRAM... 12. SPECIFICATIONS ...

— 19 —LSI MONSWOLSO" L "" H "GNDVDDCSB" H "FROM CPUCS2 terminal(Pin 28)(Pin 25)(Pin 26)(Pin 40)(Pin 24)TO CPUTO MAIN SWI

— 20 —VDDVOBDATAADDRESSHD62076C02CPUVCC" L "VDDR10(Pin3)(Pin1)(Pin2)VOTVIN"H"V2ONINT1CPUPDBSC371015FU(Pin45) (Pin31)(Pin32) (Pin31

— 21 —10-3. CPU pin description (HD62076C02)Pin No. Name In/Out Status Status Descriptionof OFF of ON1~14,16,17 A0~A15 Out L Pulse Address Bus line15

— 22 —10-4. Gate array pin descriptions (µPD65005GC-566-3B6)Pin No. Name In/Out Status Status Descriptionof OFF of ON32, 22 GND1, 2 In L L GND termin

— 23 —10-6. Character generator ROM pin descriptions (HD62063B01)Pin No. Name In/Out Status Status Descriptionof OFF of ON1, 7~12, 23 NC ** ** ** Not

— 24 —10-7. Operation program ROM pin discriptions (µPD23C4001EBGW-304)10-8. RAM pin discriptions (M5M51008AFP-10LL)Pin No. Name In/Out Status Statu

— 25 —SPREADSHEET key : Lights on dot at cornersTEL key : Lights on in all dots (black screen)BUSINEESS CARD key : Checker displayMEMO key : Reverse c

— 26 —The machine will beep after 3 seconds.The menu is unchanged.When there is no RAM to write a data,the following message will be dis-played. EXEC

— 27 —KEY1 RANDOM2 AUTO3) CHECK SUMWhen memory dump is operated by pressing BUSI-NESS CARD button, a display will appear as shownat left. The first

— 28 —6. SB-60/SB-62 cable interface checkI/F 1 TRANSMIT2 RECEIVE3 LOOP4 ASCII7N9 EXECUTING !EXECUTING !BUZZER 1 BEEP2 ALARM 13 ALARM 2Sound can be st

— 1 —1. SCHEMATIC DIAGRAM1-1. Main PCB

— 29 —Main batteryBreak display (Broken transmission)The memory back up voltage detector detects anyirregularity in voltage, the machine goes into an

— 30 —Generally, check the machine with the followning steps for repair.Main battries 6V?Key input OK?NoSave data to P/C if necessary.Current consum

— 31 —Connection of keyboard cable OK?2Replace parts.Poor connection? Solder lineReplace parts.Yes1Solder linePoor connection?Solder lineNoReplace par

— 32 —Poor connection? Solder lineNoReplace parts.Yes1Pin 31 of SC371015FU "H"?Solder lineYesPin 32 of µPD65005G-566-3B6 "H" ?1LC

— 33 —13. PARTS LIST (SF-8500)

— 34 —

— 35 —14. PCB VIEW

— 37 —15. ASSEMBLY VIEW

8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160, JapanTelephone: 03-3347-4926

— 2 —1-2. Display PCB

— 3 —1-3. Key Matrix

— 5 —2. SPECIFICATIONSData storage:Telephone/business card/memo/schedule data storage/recall, calendar display, marker, phrase memory,secret area, edi

— 6 —3. TO REPLACE THE BATTERYA) To replace the main batteriesBefore replacing the main batteries, note the following precautions.•Do not remove the b

— 7 —Message Meaning ActionDATA ITEM NOT Text specified for Correct or changeFOUND! search does not exist. specified text.PASSWORD Wrong password Ente

— 8 —Following the RESET operation, the Home Time Display appears. The initial settings of the SF Unit afterreset are shown below.HOME TIME: Washingto