Table of Contents
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BLOCK DIAGRAM
LCD driver
HD44105H
COMMON
Keyboard
ROM
TC531001CF-15
RAM
CXK5864CM-10LL
CR2032 (Back-up battery)
LCD 49 X 32
CD427-TS
LCD driver
HD44102CH
SEGMENT
CPU
T6C37
VCON
TCON
BT X 8
Figure-3
— 3 —
Comparator
BA10339F-T1
Chassis unit
Motor
driver
BA12003
Reset IC
RH5VL45AA-T1
VDD1
( +5V for digital circuit)
VP
(+12V for printer)
Q6 / IC5
IC5 / Q5 / Q4
Q2 / Q3
POWER SUPPLY
Thermal
Head
VDD2
(+5V for RAM))
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