----SHARP----
SERVICE
MANUAL
CE-159
WWW.
PC-1500
.INFO
SHARP
CORPORATION
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SERVICE MANUAL
MODEL
CE-159
RS-232C Interface
{PC-,
1500
Option)
I. Fe
atu
res ...
.....
.
2.
Specifications . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I
3. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l
4. Nomenclature and funct ions . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . 2
5. Cell life and replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6. Mcrno.ry addre
ss
M •••••••••••••
••••••
• • • •••• • • w
•••••
• • • • • • • •
••
• 4
7. Memory set up swit
ch
. . . . . . . . . . . . . . . . . . ....... . . ... . ..... . . . 4
8. CEL
59
circui t diagram . .......... . . . . .... . . . ....... . . . .....
. . . . 5
9.
CEI
59
parts posit ion ch art .........
. . . . . .. .... .... . . .
......
. . . . 6
10.
_I_>
arts
_List &
guidcM ......
.............. .... . . . ..... . . • . .... . •
....
7
Ins
ert this
manual into the service manual " IPC-1500 &
Opti
on"
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at
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1.
FEATURES
The
CE·l
59
is
a program module with
an
8 K byte memory capacity
RAM
(o.apablc
of
being
entered
or
read) for use on the
PC
·
1500
. It can be used to
as.s
ign a part
of
the
RAM
capacity as an area for exclusi
ve
use in readouts, allowing no entry
of
new
data
or
pro·
gram change into the area. Even when disconnected from the PC· 1
500.
the CE· 159
retains the proyrarn contents in this area due to
it
~
built-in lit hium cell. This is available
for
imm
edi
ate
use
when
reconnect
ed
to t
he
computer
.
Therefore,
if
programs are stored in several CE-159 modules, they
can
l>e
executed only
by
replacing
the
modu
les.
2.SPECIFICATIONS
Model:
Type:
Capacity:
Backup power source:
Battery life:
Operating temperature:
Outside dtmcnsions:
Weight:
Accessories:
3.
PRECAUTIONS
CE-159
RAM
module
8
K bytes
1
DC
3V
Lithium cell
CR2032
About 5 year {
If
installed in the PC· 1500)
About
2 yca1s (If removed from
the PC·
1500
)
(When
used
at
25<i
C; Li
fe
varies with operation
and environ·
ment
.)
o•c
to
40
°c
40.9 mm {W} x 48.2 mm
(0)
x 8.5 mm {H)
1·
5/8"
(W)
x 1·29/32" (DI x
11/32"
{HI
12 g (0.03 lbs.I (including cell)
Housi
ng
case, 3 cover labels. Lithium cell (built
into
the
CE· 159)
and
Instruction Manual
•
Th
e PC-1500 can accommodate only
one
module
at
a time.
There! ore. with
the CE·
159
installed,
anothe
r module cannot
be
used
on
the PC-1500.
•
When
the CE-1
59
is disconnected
fr<>m
the
PC-1500. the programs
and
data
sto
red
outside
the exclusive readout areas
cannot
be
retained.
If th
ey are needed, record them
on tap.e
before disconnecting the CE-
159 from the PC·
1500,
•
With
the
CE-
159 connected to the PC·1500, the programs. data
or
reserved contents
prestored in the
PC·1500 cannot be used,
Therefore,
if
needed, rec
ord
them
on
tape before connect
ing
the CE-159 to the PC·
1500
.
•
When the
CE·l
59
is connected to th e
P'C
· 1500,
be
sure to operate the following:
Cl
or.r.
])@
@]
PRO mode designation
N E
we
I ENTER I
The
N E W 0 I E
NT
E•
I ope r
ation will initialize the state
of
the compu ter (The
initia
l setting
\-.i
ill be executed).
• Never touch
the
Capacity Set Switch
when the
Set Switch
is
turned
to
the "Setting"
( •mr:J )
pos
it ion , Failure to observe this may r
esu
lt in the following:
• L!J,
~
j
key operation or LIST command causes an incorrect display.
•
Executing LIST causes
the
paper feed.
•
Part
of
the program
is
cleared.
1
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