Casio SF-8350 Spezifikationen

SF-8350R(LX-523)JAN. 1994R(with price)SF-8350R

— 9 —HARDWARE PARAMETERSPARITY EVEN ODD NONEBIT LENGTH7 bits 7 bits 8 bitsBPS 1200 24

— 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-8350R)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-452-22Power supply circui

— 15 —14. Apply VDD to ROM.VREG,V1~V4Outputfor LCDdrivePDBµPD3055GF002-2BAVDD2VDD1VO1GND(Pin3)(Pin2)(Pin32)(Pin20)(Pin31)(Pin25)(Pin40)(Pin17)(Pin24)

— 16 —1) Power supply chip SC371015FUV1V COMP2VDD1VDD2VO1V4V3V COMP1VREGV2C8C7VDDPDBGATE ARRAYVOT terminalFROMR10R9R8(4.3 V ~ 4.7 V)CR2032CR2032CR2032

— 17 —LSI MONSWOLSO" L "" H "GNDVDDCSB" H "FROM CPUCS2 terminal(Pin 28)(Pin 23)(Pin 24)(Pin 40)(Pin 39) (Pin 17)(Pin 22)

— 18 —VDDTransistor Q1VOBE0DATAADDRESSROMµPD3055GF002-2BACPUVCC(Pin35)µPD65005G-452-22" L "VDDR4(Pin1)(Pin3)(Pin2)(Pin30)VOTVIN"H"

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

— 19 —VCOMP2VCOMP1VCOMP1"H""L"CR-2032 X 2P7BLIONMKVCOMP2VCOMP1Power Supply ChipVDD1VDD2Main batteriesSC371015FUµPD3055GF002-2BAC P

— 20 —10-4.CPU pin description (µPD3055GF002-2BA)18~23 RA14~19 Out L Pulse Address line (Used only RA15,16)(KI7---Not used)Pin No. N

— 21 —Pin No. Name In/Out Status Status Description of OFF of ON1~8 OI7~OI0 In/Out L L Data bus line for ICcard9 A15 In L Pulse Address input10,11 A0

— 22 —Pin No. Name In/Out Status Status Descriptionof OFF of ON10-7.Character generator ROM pin descriptions (HD62063B01)24 EROUT Out 6V 5V VFB capaci

— 23 —10-8. Operation program ROM pin descriptions (µPD23C2001EGW342)Pin No. Name In/Out Status Status Descriptionof OFF of ON2, 4~6, 9~13, A0~A14 In

— 24 —11. DIAGNOSTIC OPERATIONSELECT MENU 1 DISPLAY2 MEMORY3 KEY4 BUZZER5 I/FCheck padMain switch1. Diagnostic modeThe diagnostic mode appears when

— 25 —The following message will be dis-played while writing the data to RAM.When there is no RAM to write a data,the following message will be dis-pl

— 26 — TIME DISPLAYyyyymmddhhmmss... 1990 04 04 12 34 56KEY1 RANDOM2 AUTO3) Memory dumpWhen memory dump is operated by

— 27 —6. SB-60/SB-62 cable interface checkI/F 1 TRANSMIT2 RECEIVE3 LOOP4 ASCII7N9 EXECUTING !The TEL to SCHEDULE keys are used to select mode; theCALE

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

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

— 29 —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

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

— 31 —Poor connection?Solder lineNoReplace parts.Yes1Pin 31 of SC371015FU "H"?Solder lineYesPin 30 of µPD65005G-452-22 "H" ?1LCD

13. PARTS LIST (SF-8350R) FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R Unit Price1. CPU BOARD ASS'YN LSI7 2011 7112 LSI

FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R Unit Price6 6511 9030 Cushion (A) FH100024206 2 20 20 X7 6406 7530 D/D PCB ass&ap

— 34 —14. PCB VIEW (SF-8350R)

— 35 —15. ASSEMBLY VIEW (SF-8350R)5045464344484947

MA0600641A

— 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: G.M.T.JAN