Table Of Contents - Casio CASSIOPEIA A-20 Service Manual & Parts List

HARDWARE SPECIFICATIONS -------------------------------------------------------------- 1
General Specifications ------------------------------------------------------------------- 1
Electrical Specifications----------------------------------------------------------------- 2
ACCESSORIES ------------------------------------------------------------------------------------ 3
OPTIONS --------------------------------------------------------------------------------------------- 3
SYSTEM CONFIGURATION -------------------------------------------------------------------- 4
GENERAL GUIDE --------------------------------------------------------------------------------- 5
ADJUSTING DISPLAY CONTRAST --------------------------------------------------------- 6
DESKTOP COMPUTER SYSTEM CONFIGURATION ---------------------------------- 7
SETTING UP ---------------------------------------------------------------------------------------- 7
REPLACING BATTERIES ----------------------------------------------------------------------- 9
To replace the main batteries---------------------------------------------------------- 9
To replace the backup battery------------------------------------------------------- 10
RESET ---------------------------------------------------------------------------------------------- 11
To reset the CASSIOPEIA ------------------------------------------------------------- 11
FULL RESET -------------------------------------------------------------------------------------- 12
To perform a full reset ----------------------------------------------------------------- 12
CONNECTING TO A DESKTOP COMPUTER ------------------------------------------- 13
To connect to a desktop computer ------------------------------------------------ 13
REPLACING THE PC CARD ----------------------------------------------------------------- 14
To replace the PC card----------------------------------------------------------------- 14
REPLACING THE COMPACTFLASH CARD -------------------------------------------- 15
To replace the CompactFlash card ------------------------------------------------ 15
CONNECTING TO EXTERNAL EQUIPMENT ------------------------------------------- 16
To connect external equipment ----------------------------------------------------- 16
MEMORY BACKUP / RESTORE ------------------------------------------------------------ 17
Backup -------------------------------------------------------------------------------------- 17
Restore -------------------------------------------------------------------------------------- 19
BLOCK DIAGRAM ------------------------------------------------------------------------------ 21
DEVICE FEATURES ---------------------------------------------------------------------------- 22
LSI/IC DATA -------------------------------------------------------------------------------------- 24
SH-7093 (CPU / IC1) --------------------------------------------------------------------- 24
MB87A915 (Gate Array/IC3) ---------------------------------------------------------- 27
MC34119 (IC9)----------------------------------------------------------------------------- 32
MAX3241CAI (IC5) ----------------------------------------------------------------------- 32
UPD42S16160LG5 ----------------------------------------------------------------------- 33
RN5VD18CA (IC113) -------------------------------------------------------------------- 33
XC61A Series (IC100 ~ IC103,IC107,IC109,IC110,IC112) -------------------- 33
MAX608 (IC105,IC106) ------------------------------------------------------------------ 34
EMI FILTER ARRAY --------------------------------------------------------------------- 34
UPD23C32000LGY ----------------------------------------------------------------------- 34
CONTENTS