Sharp XEA403 Manuel de service

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

PC-UM10MXE-A403 HARDWARE DESCRIPTION– 8 –Power supply/CONTROL pins5. KEY-DISPLAY5-1. LCD CONTROLBasically the same as the ER-A275P.LCD-related regis

PC-UM10MXE-A403 HARDWARE DESCRIPTION– 9 –5-3. KEYSCAN MATRIXOthers5-4. DISPLAYThe A403 has an LCD display, 5 x 7 dots, 2 lines, at the front side an

PC-UM10MXE-A403 DIAGNOSTIC PROGRAM– 10 –CHAPTER 5. DIAGNOSTIC PROGRAM1. TEST ITEMSThe test items are as follows:*Starting DIAG.2.DESCRIPTION OF EACH

PC-UM10MXE-A403 DIAGNOSTIC PROGRAM– 11 –3) PRINTER TEST1Key operation102 3 2Test procedureAt the receipt side, the logo is also printed and the rece

PC-UM10MXE-A403 DIAGNOSTIC PROGRAM– 12 –4End of testingWhen any key is pressed, the date and time are printed and the testmode will be terminated.8)

PC-UM10MXE-A403 DIAGNOSTIC PROGRAM– 13 –11) FLASH ROM TEST1Key operation130 3 2Test procedureThe test program checks that the checksum of the flash

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 14 –CDBACDBA8765432187654321CPU1/7Vcc:20pinGND:10pinFSCKFRDFSD/FRES/FRDY150pF*10(C19-C28)/BUSY150pF*

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 15 –CDBACDBA8765432187654321DRIVER 2/7DRAWER1STRAIGHTCONRIGHT-ANGLECONFOR KEY I/Fabcdefgdp/RESETP90P

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 16 –CDBACDBA8765432187654321FLASH ROM 3/7P-OFF14Pin:GND*IC33 7Pin:VCC231 ROMCOPY14Pin:GND*IC9 7Pin:V

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 17 –CDBACDBA8765432187654321LCD I/F 4/7A0A1D[0..7]DB0D0D7D1D6DB1DB6DB2D2D5/LE0WD3D4/LE1WDB3 DB4/LE3W

XE-A403 LEAD-FREE SOLDERLEAD-FREE SOLDERThe PWB’s of this model employs lead-free solder. The “LF” marks indicated on the PWB’s and the Service Manu

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 18 –5/7CDBACDBA8765432187654321POWER SUPPLY6,8pin:N.CVCC +5VVCC +5Vfor EUROPEUSAIPEAK>2.2AL:ONVOU

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 19 –6/7CDBACDBA8765432187654321 RS232C DRIVEREFCB322513TS X 8/CI5V1000pF*5100ohm*5P64/RSP74/ERP67/S

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 20 –7/7CDBACDBA8765432187654321 PRINTER DRIVEREFCB322513TS(FB14-FB21)TM1TMVH/JPES/RPES/RPFA/RPFB/RPF

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 21 –ABCD8765432112345678DCBA1/1J12345678910111214 15 16 17 18 19 20 21 22 23 24 25 2628 29 30 31 32

PC-UM10MXE-A403 CIRCUIT DIAGRAM AND PWB LAYOUT– 22 –PWB LAYOUTQ A SIDEQ B SIDE

qSHARP CORPORATIONInformation and Communication Systems GroupProducts Quality Assurance DepartmentYamatokoriyama, Nara 639-1186, Japan2005 May Printed

PC-UM10MXE-A403 SPECIFICATIONS– 1 –CHAPTER 1. SPECIFICATIONS1. APPEARANCE2. RATING3. KEYBOARD3-1. KEYBOARD LAYOUT3-2. KEY LISTQKeyboard layoutNote:

PC-UM10MXE-A403 SPECIFICATIONS– 2 –The mode switch has these settings:OFF: This mode locks all register operations. (AC power turns off.)No change o

PC-UM10MXE-A403 SPECIFICATIONS– 3 –6. PRINTER6-1. PRINTER6-2. PAPER • Paper roll dimension: 44.5 m 0.5mm in widthMax. 80mm in diameter • Paper quali

PC-UM10MXE-A403 OPTIONS– 4 –CHAPTER 2. OPTIONS1. OPTIONS (NONE)2. SERVICE OPTIONS (NONE)3. SUPPLIES4. SPECIAL SERVICE TOOLSCHAPTER 3. MASTER RESET A

PC-UM10MXE-A403 HARDWARE DESCRIPTION– 5 –CHAPTER 4. HARDWARE DESCRIPTION1. BLOCK DIAGRAMXE-A403CPUMITSUBISHI M30620SAFP(INTERNAL RAM 10KB)EXTERNAL M

PC-UM10MXE-A403 HARDWARE DESCRIPTION– 6 –3. PRINTER CONTROL3-1. STEPPING MOTOR CONTROLThe stepping motor is driven at a constant voltage by Sanken S

PC-UM10MXE-A403 HARDWARE DESCRIPTION– 7 –4. I/OM16C/24 PORT MEMORY SPACE: NORMAL MODEPROCESSOR MODE: MICRO PROCESSOR MODEIt is used by (SEPARATE BUS