Read Sharp XE-A202 Service Manual online
XE-A202V
HARDWARE DESCRIPTION
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CHAPTER 4. HARDWARE DESCRIPTION
1. HARDWARE BLOCK DIAGRAM
CPU
ROM : 256K Byte
RAM : 20K Byte
RAM : 20K Byte
DRIVER , SENSOR
PRINTER
M-T53
II
PAPER TAKE
UP MOTOR
RAM
128K Byte
Data bus
Seg. DRIVER
Dig. DRIVER
POPUP
FRONT
LED
KEY RETURN SIGNAL
KEY SCAN SIGNAL
RS232C
DRIVER
DRIVER
RS232
4 to 16
DECORDER
KEYBOARD
MODE SWITCH
MODE SWITCH
STANDARD
DRAWER.
DRAWER.
POWER SUPPLY
Address
bus
bus
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