Sharp XE A302 - Cash Register Manuel de service

CODE : 00ZqSERVICE MANUALCONTENTSParts marked with "!" are important for maintaining the safety of the set. Be sure to replace these parts w

XE-A302U HARDWARE DESCRIPTION– 9 –5-3. KEYSCAN MATRIXPENDINGOthers5-4. DISPLAY (PENDING)The machine has an LCD display, 5 x 7 dots, 2 lines, 16digits,

XE-A302U HARDWARE DESCRIPTION– 10 –9. A/D CONVERSION The machine has the following four signals at the A/D conversion ports.<CPU’s PORT>1 Pr

XE-A302U DIAGNOSTIC PROGRAM– 11 –CHAPTER 5. DIAGNOSTIC PROGRAM1. TEST ITEMSThe test items are as follows:*Starting DIAG.2. DESCRIPTION OF EACH DIAG PR

XE-A302U DIAGNOSTIC PROGRAM– 12 –3) PRINTER TEST1Key operation102 3 2Test procedureAt the receipt setting, the logo is also printed and the receipt is

XE-A302U DIAGNOSTIC PROGRAM– 13 –8) DRAWER 1 OPEN & SENSOR TEST1Key operation110 3 2 Test procedure3Check:A) The drawer 1 opens normally.B) The se

XE-A302U DIAGNOSTIC PROGRAM– 14 –11) FLASH ROM TEST1 Key operation130 3 2 Test procedureThe test program checks that the checksum of the flash ROM(Ban

XE-A302U IPL FROM EP-ROM– 15 –CHAPTER 6. IPL FROM EP-ROMThe application program of the XE-A302 is written into the Flash ROMin the CPU. Since the CPU

XE-A302U CAUTION TO BE USED WHEN CONNECTING THE RS-232 CABLE– 16 –APPENDIX: RS232C CABLEThe RS-232C cable has the following internal connections:(Equi

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 17 –PLACE NEAR CPU!!! 7pin:GND 7pin:GND*IC3 14pin:VDD150pF*10(C1-C10)100pF*8(C24-C31)150pF*8(C11

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 18 –1 ROM COPY7Pin GNDIC13 14Pin VDDRAM2/RASPN2(NU )for XE-A202J/A212Jfor XE-A212V,XE-A302U/A/WR/RAM2/RD/ROMC

XE-A302U SPECIFICATIONS– 1 –CHAPTER 1. SPECIFICATIONS1. APPEARANCE2. RATING3. KEYBOARD3-1. KEYBOARD LAYOUT3-2. KEY LIST Keyboard layout Key name

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 19 –*IC19 2 0Pin:VCC10Pin:GND*IC14GND:10pinVCC:20pinFOR POP UP& KEY I/FFB1,2,3:JUMPER WIREDRAWER1STANDARD

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 20 –MAX 9AMOTOR26FMN-BTK-A(JUMPER)(JUMPER)NOT INSTALLNOT INSTALLB2B-EH-APEPE/STB2HUPSABAHUPSVH/LAT/STB1VHCLKV

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 21 –6,8pin: N.CVCC +5VIPEAK>2.2A VLED +5.8Vwith F USEVP +7. 5VQ9:HEAT SINKIC24:HEAT S INK|LIN K|CPU.SCH|FR

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 22 –TO PRINTERTO MAIN PWBGNDDI/STR1N.CGNDLED(K)TH/LATVHVHCLKVHN.CGNDBVDDHUPS/STR2/AVHN.C/BPEGNDAVDDVH VDDCN1J

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 23 –EFCB322513TS X 8JUMPER WIRE (CI)1000pF* 5100ohm*5EFCB322513TS X 81000pF* 5100ohm*5CD1RD1SD1ER1CI1 DR1RS1C

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 24 –PWB LAYOUTMAIN PWB LAYOUTA side

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT– 25 –B side

qSHARP CORPORATIONDigital Document Systems GroupProducts Quality Assurance DepartmentYamatokoriyama, Nara 639-1186, Japan2003 August Printed in Japan

XE-A302U SPECIFICATIONS– 2 –The mode switch has these settings:OFF: This mode locks all register operations. (AC power turns off.)No change occurs to

XE-A302U SPECIFICATIONS– 3 –6. PRINTER6-1. PRINTER6-2. PAPER6-3. LOGO STAMP• No6-4. PRINTING AREANumber of thermal head heater elements 288 dots7. DRA

XE-A302U OPTIONS– 4 –CHAPTER 2. OPTIONS1. OPTIONS (NO)2. SERVICE OPTIONS (NO)3. SUPPLIES4. SPECIAL SERVICE TOOLSCHAPTER 3. MASTER RESET AND PROGRAM RE

XE-A302U HARDWARE DESCRIPTION– 5 –CHAPTER 4. HARDWARE DESCRIPTION1. BLOCK DIAGRAMXE-A302UCPUMITSUBISHI M30620SAFP(INTERNAL RAM 10KB)EXTERNAL MEMORYSRA

XE-A302U HARDWARE DESCRIPTION– 6 –3. PRINTER CONTROL3-1. STEPPING MOTOR CONTROLThe two phase Bi-Polar stepping motor is driven at a constant voltage b

XE-A302U HARDWARE DESCRIPTION– 7 –4. CPU• M16C/64A Group: M30620SAFP• Processor mode = Microprocessor mode• Internal reserve area, without expansion•

XE-A302U HARDWARE DESCRIPTION– 8 –<Power supply/CONTROL pins>5. KEY-DISPLAY5-1. LCD CONTROLBasically the same as the XE-A401 and ER-A275P.<LC