Service manual
ADDENDUM
Stylus-800/1000 SERVICE MANUAL
Operating Principles
2.1 Operating Principles
The main control circuit of the Stylus-1000 is different
from the
StyluS-800,
and
is the
C114
MAIN BOARD.
This board has an additional
comector
to which the
optional
mpE-B I/F card
cm
be
connected.
The figure
below shows a block diagram of the main control circuit board.
—
;Common
;
L
<
: Drive Circuit
~
––––––
S1
(Data)/LAT
Head driver
I
~
(PWC/PWD)
~
I
(Printhead)
I
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
I
L—————.
IC3
E05A85EB
IC8‘1
IC7•2
lC5/6
Mask ROM
Mask ROM
PS-RAM
1
(Program)
(CG)
(CG)
(lM)
CRO-3
r
ADO-15
1
“’’w--=
I-E[
--t
IC13
QM1
SLA7024
SMA6501
Control
CR Motor
PFMotor
Panel
(C106 PNL)
Note)
●
1 :
4MBit
Mask - For JAPAIWTAIWAN only
8MBit Mask - For KOREA only
*2 :
16MBit Mask - For JAPANfiAIWAN/KOREA
8Mbit Mask - For Europe
Figure 2-1
C114
MAIN BOARD Block Diagram
REV.-A
2-1
I