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Descriptkm
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Color Setvke
hfg@g##
1.5 MAIN COMPONENTS
The main components of the Stylus Color
are:
Q
Printer mechanism
(M-4A10)
Q
Main control board
(C137
MAIN Board)
Cl
Power supply unit(C137PSB/PSE Board)
Q
Control panel board
(C137PNL
Board)
Q
Housing
1.5.1 Main Control Board
(C137
MAIN Board)
The Main Control Board
(C137
MAIN Board) consists of an
H8/3003
l~bit CPU, E05A% gate
array, a program ROM
(4M),
a dynamic
RAM
(4M),
a mask ROM
(4M
or
8M),
an
EEP-ROM
(lK),
and a lithium battery for powering the
protect counters.
The
reset IC
(M51955
and
~
592) is
equipped with both a logic system and a power system.
The
8M program ROM is used only
fix
the
NJ.5P
(National Language Support Printer) specification.
IC14
SLA7041
1
~
ICl!i
SI
A7041
1
I
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—
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,
. . . . . . . . .
CN2
m
f-l
—
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Q14
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i
c)
z
0
-
RM12
RM11
#——————
CN1
K
I
BAT 1
Figure 1-9.
C137
MAIN Board Component Layout
(
“
.,
1-18
Rev. A