Sharp XE-A202 - Electronic Cash Register Service Manual

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

XE-A202U HARDWARE DESCRIPTION– 9 –The P-OFF signal detects two signals by two comparators and sent tothe CPU.6. MEMORY CIRCUIT1) Address map2) RAM con

XE-A202U HARDWARE DESCRIPTION– 10 –Thermal head block daigramThermal head strobe terminals8. PAPER TAKE UP MOTOR DRIVE CIRCUITWhen the MOTOR signal fr

XE-A202U HARDWARE DESCRIPTION– 11 –1) KeyboardScan signal: 10 /S0-9 signals Return signal: 6 P92-97 signals The keys are read by the key matrix follow

XE-A202U TEST FUNCTION– 12 –CHAPTER 5. TEST FUNCTION1. TEST ITEMSThe test items are as follows:2. DESCRIPTION OF EACH DIAGNOSTICPROGRAM1) DISPLAY BUZZ

XE-A202U TEST FUNCTION– 13 –4End of testingWhen the test ends normally 104When an error occurs E- ~ - 104Note: Calculation of key sumcheck dataThe har

XE-A202U TEST FUNCTION– 14 –4 End of testingThe program ends after printing.When the test ends normally. 120When the test ends abnormally. Ex- ~ - 1

XE-A202U IPL (Initial Program Loading) FUNCTION– 15 –CHAPTER 6. IPL (Initial Program Loading) FUNCTIONThe application program of the XE-A202 is writte

XE-A202U CAUTION TO BE USED WHEN CONNECTING THE RS-232 CABLE– 16 –APPENDIX: RS232C CABLEThe RS-232C cable (QCNWG3190BHZZ) provided together with theXE

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 17 –Vcc:20pinGND:10pinVcc:14pinGND:7pinNOTINSTALLNOT INSTA LLVcc:14pinGND:7pinSIICG ROM"H":BOOT ON

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 18 –SGDMOTORJUMPER WIREMAX 9ADRAWER1DRAWER2STRAIGHT CONRIGHT-ANGLE CONRIGHT-ANGLE CONJUMPER WIREFB5,FB6,FB7:J

XE-A202U SPECIFICATIONS– 1 –CHAPTER 1. SPECIFICATIONS1. APPEARANCE2. RATING3. KEYBOARD1) KEYBOARD LAYOUT2) KEY LIST Keyboard layoutNote: The small cha

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 19 –6,8pin:N.CP-OFFVCC +5VVH +7.86V +/-0.13VHEAT SINK<- CLOSE TO REGURATOR<- CLOSE TO REGURATORHEAT SIN

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 20 –(BUSY:FOR BOOT)/CI 5V100ohm*51000pF*5EFCB322513TS X 8P6 7/RSP7 4RD RD/CI/CDP7 7/DR/SD/S9/ERP6 4P9 1/SD/RS

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 21 –VCCVPCN4CONLY HOLE123456789101112C2000.1uFC2010.1uFCN4DONLY HOLE123456789101112CN3127FMN-BTK-A12345678910

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 22 –PWB LAYOUT1. MAIN PWB LAYOUTA. side

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 23 –B. side

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 24 –3. PRINTER I/F PWB LAYOUT2. KEY INTERFACE PWB LAYOUTA. sideB. side

XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT– 25 –4. REAR DISPLAY PWB LAYOUT5. DISPLAY PWB LAYOUT

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

XE-A202U SPECIFICATIONS– 2 –The mode switch has these settings:5. DISPLAY1) OPERATOR DISPLAYLayout:2) CUSTOMER DISPLAYLayout: Machine state symbolsOFF

XE-A202U SPECIFICATIONS– 3 –SegmentDecimal Point6. PRINTER1) Printer • Part number : M-T53II • NO. of station : 1 (Receipt or journal) • Validation :

XE-A202U SPECIFICATIONS– 4 –7. DRAWER[OUTLINE]• Standard equipment: Yes (1)• Max. number of additional drawers: 0• The drawer consists of:1) Drawer bo

XE-A202U OPTIONS– 5 –CHAPTER 2. OPTIONS1. OPTIONS (NO)2. SERVICE OPTIONS (NO)3. SUPPLIES4. SPECIAL SERVICE TOOLSCHAPTER 3. MASTER RESET AND PROGRAM RE

XE-A202U HARDWARE DESCRIPTION– 6 –CHAPTER 4. HARDWARE DESCRIPTION1. HARDWARE BLOCK DIAGRAMCPUROM : 256K ByteRAM : 20K ByteDRIVER , SENSORPRINTERM-T53

XE-A202U HARDWARE DESCRIPTION– 7 –2. DESCRIPTION OF MAIN LSI’S2-1. CPU (M30624FGAFP)1) Pin configuration2) Pin descriptionV0 24VVCC 5VDrawerTRANSFOR

XE-A202U HARDWARE DESCRIPTION– 8 –3. CLOCK GENERATOR1) CPUTwo oscillators are connected to the CPU.The basic clock X2 is supplied from a 12MHz oscilla