Sharp PC-E500 User manual

SHARP
1.
Product
outline
The
PC-E500
employs
the
large
display
(40
digits
x
4
lines)
and
32KB
memory
(standard).
2.
Specifications
Model
name
Display
Calculation
digit
Calculation
system
Program
language
CPU.
System
ROM
Memory
capacity
Stack
Basic
calculation
functions
:
PC-E500
:
:
40
digits
x
4
lines
(5
x
7
dot
matrix
liquid
crys-
tal
display)
:
Single
accuracy
calculation;
10
digits
(Mantis-
sa)
+
2
digits
(Exponent)
Double
accuracy
calculation;
20
digits
(Man-
tissa)
+
2
digits
(Exponent)
In
CAL,
MATRIX,
or
STAT
mode,
calculation
is
performed
in
single
accuracy.
:
In
theysequence
of
formula.
(Priority
judge-
ment
function)
:
BASIC
:
CMOS
8
bit
CPU
:
128K
Byte
:
System
area
about
3.8
K
Byte
Fixed
variable
(A
~
Z)
area
312
Byte
Program
data
area
28600
Byte
:
Total
145
Byte
Subroutine;
4
Byte
for
one
stage
FOR-NEXT;
21
Byte
for
one
stage
:
Basic
calculations;
Addition,
subtraction,
multiplication,
division
Functional
calculation;
Trigonometric
function,
reverse
trigonometric
function,
hyperbolic
function,
reverse
hyper-
bolic
function,
logarithm,
exponent,
angle
conversion,
power,
power
root,
coordinate
conversion,
extraction
of
the
square
root,
in-
tegration,
absolute
value,
code
function,
pi,
etc.
SHARP
CORPORATION
PC-E500
SERVICE
MANUAL
CODE:00ZPCE500SM/E
mopEL
PC-E500
Edit
function
Serial
1/0
machine
Communication
system
Communication
speed
Parity
bit
Word
length
Stop
bit
Connector
Output
signal
level
Interface
signal
Memory
protection
Operating
temperature
Power
source
Battery
operating
time
Power
consumption
External
dimension
_
Weight
Accessories
:
Cursor
shift,
right/eft
(4,
>)
Insertion
(INS)
Delete
(DEL,
BS)
Line
up,
down
(T,
4)
:
Start-stop
synchronous
(asynchronous).
sys-
tem,
half
duplex/total
duplex
mode
:
300, 600,
1200,
2400,
4800,
9600bps
(bit
per
second)
:
Even
number,
odd
number,
none
:
7,
8
bit
:
1,2
bit
:
15-pin
connector
(for
connection
with
external
devices)
:
C-MOS
level
(4
-
6V)
:
Input
......
RD,
CS,
CD
Output
......
SD,
RS, RR,
ER
Others
......
SG,
FG,
VC
:
Battery
backup
(Backups
the
program
and
data
when
the
power
is
turned
off.)
>
0~40°C
:
DC
6V
(ROS
x
4)
:
About
70
hours
of
continuous
operation
(Under
the
operating
temperature
of
20°C,
10
minutes
of
calculation
or
program
execution
and
50
minutes
of
display
for
every
hour).
,
+
There
may
be
some
variation
depending
on
the
operating
environment
and
using
condi-
tions.
:
0.07W
:
200mm
(W)
x
100mm
(D)
x
14mm
(H)
:
250g
(Including
the
battery)
:
Hard
cover,
RO3
battery
x
4,
Instruction
Manual
This
document
has
been
published
to
be
used
for
after
sales
service
only.
The
contents
are
subject
to
change
without
notice.

PC-E500
3.
System
configuration
Pocket
computer
PC-E500
Cassette
interface
RS-232C
CE-124
Level
converter
CE-130T
Personal
computer
MZ
series,
etc.
(The
RS-232C
function
is
required.)
Printer
&
cassette
interface
CE-126P
CE-212M
(8K
Byte)
CE-2H16M
(16K
Byte)
resiort
Sot
rhe
For
section
*,
a
cable
-2H64M
(64K
Byte
:
(
yte)
corresponding
to
the
model
is
required.
Coior
plotter
printer
Pocket
disk
drive
:
CE-515P
CE-140F
4.
PC-E500
system
block
diagram
.
-
LCD
LF7448G
DC-DC
converter
Column
(1)
HD61202
Common
HD61203
Ic
e
IRQ
9
79)
Q
<
$C62015B01
3G
=
Ceralock
=|
«
2.30MG
&
ROM
LH5320
X
4
ee
>
Seer
Key
matrix
114
pin
15
pin
(SIO)

5.
Memory
map
&H40000
[-
:
32K
RAM
16
CRAM
a
eae
me
eakRam
|
SC
card
&H47FFF
&H4FFFF
Py
&HB8000
:
Built-in
RAM
(32KB)
&HBFFFF
&HEOO0O
Built-in
ROM
(128KB)
&HFFFFF
6.
LSI
description
8K
RAM
card
BHASFFE
&H41
FFF
CPU
(SC62015)
terminai
signal
description
1
Output
vec
Power
RESET
input
GND
Power
~
TEST
\
Input
Cl
Input
co
Output
ON
Input
WR
Quipyt
MRQ
-
54
KO14
Output
55
KO13
Output
56
KO12
Output
inpwWOupa
KO15
Output
—
Ceramic
oscillation
output
Ceramic
oscillation
input
CR
oscillation
output
CR
oscillation
input
Display
power
(converter)
control
output
©
power
input
terminal
Reset
input.
Reset
at
high
level.
©power
input
terminal
Test
input
Cassette
signal
input
terminal
Cassette
signal
output
terminal
ON
key
input
terminal.
Normally
pulled
down
to
low
level.
Write
clock.
Normally
high
level.
(Not
used.)
Key
input
terminal
Data
bus
Address
bus
(Not
used.)
Clock
output
terminal
for
display
chip
SIO
PRQ
(Not
used.)
SIO
ER,
High
level
with
OPEN
command.
SIO
RR
(Reception
in
the
main
body
side
allowed)
SIO
RS
(Send
request
in
the
main
body
side)
Key:
strobe
signal
Low
battery
detection
input
terminal
Signal
description
PC-E500

PC-E500
pau
(Not
used.)
(Not
used.)
(Not
used.)
Input
7.
Low
battery
detection
circuit
The
PC-E500
is
equipped
with
the
low
battery
detection
circuit.
The
operations
of
the
circuit
are
described
below.
(Part
location
numbers
may
differ
from
those
in
the
actual
circuit
diagram.)
When
input
voltage
VIN
exceeds
the
detection
voltage
VD,
the
output
of
the
voltage
detection
IC
[LBIC(MN1280)]
is
driven
from
Low
to
High.
When
VIN
falls
under
VD,
the
output
is
driven
from
High
to
Low.
~The
LBIC
(MN1280)
detects
both
the
CAU
level
and
the
STOP
level
by
dividing
the
voltage
applied
to
the
input
terminal
(2
pin)
with
Rit
and
R2
and
by
turning
on/off
R2
with
CAU
signal
of
G-A.
When
the
power
voltage
falls
under
the
CAU
level,
as
shown
in
Fig.
3,
the
BATT
symbol
lights
up.
When
the
power
voltage
falls
further
under
the
STOP
level,
the
symbol
goes
off.
For
CAU
level
detection,
the
CPU
ES
it
turned
on
(low
level)
and
the
CPU
IRQ
terminal
state
is
observed.
(if
the
IRQ
is
at
Low
level,
the
symbol
lights
up.)
When
the
CAU
level
is
detected,
the
CPU
ES
terminal
is
turned
off
(high
impedance).
(When
the
CPU
E3
terminal
is
turned
off,
resistor
division
is
not
performed
and
the
voltage
at
LBIC
2
pin
increases,
driving
the
output
from
Low
to
High.)
The
CPU
IRQ
terminal
state
is
checked
again
to
detect
the
STOP
level
SiO
PAK
(Not
used.)
Signal
description
ROM
ecard
chip
select
signa!
(active
high)
Chip
select
signal
for
display
chip
(Active
high)
Internal
ROM
chip
enable
signal
RAM
card
chip
enable
signal
internal
RAM
chip
enable
signal
Output
|
Key
strobe
signal
2
Output
Input
SIO
RD
(Receive
data)
Output
SIO
SD
(Send
data)
Input
Input
CE-140F
data
input
terminal
input
Input
Output
11
pin
DIN
Output
11
pin
DOUT
Output
11
pin
102
Output
11
pin
101
Input
11
pin
ACK
Output
11
pin
BUSY
-
(Not
used.)
Output
Display
power
(converter)
control
signal
Output
Low
battery
voltage
control
signal
Input
SIO
CS
(Opponent
side
send
enable)
Input
SIO
CD
(Opponent
side
send
request)
After
the
STOP
level
is
detected,
the
ON
key
and
the
RESET
key
be-
come
ineffective.
10000
~
1FFFF
00000
~
O3FFF,
08000
~
OBFFF
C0000
~
FFFFF
40000
~
7FFFF
80000
~
BFFFF
P-ch
open
output
P-ch
open
dutput
P-ch
open
output
P-ch
open
output
P-ch
open
output
CPU
IRQ
GPU
E3
N-ch
open
Fig.
3
Voltage
detection
IC
operational
description
Low
battery
detection
circuit
check
CAU
level
VCC
—
GND:
4.2V
to
4.6V
STOP
level
VCC
-
GND:
3.8V
to
4.2V

8.
Current
consumption
check
.
DC
+5.0V
is
supplied
to
11-pin
connector
No.2
pin
(VCC)
and
OV
to
No.3
pin
(GND).
ON
(BASIC
mode
">"
is
displayed);
3.24mA
or
less
OFF
(Power
off);
64:4
or
less
OS
Power
source:
eo”,
Current:
Actual
use
(Max.)
$C62015801
(CPU)
RUN
~
4=2304KHz
4.2mA
e
During
display
2202A
e
OFF
SpA
e
LH5320x1
(2Mb
ROM)
RUN
tac=120ns
7OmA
f*#306KHz
4.59mA:
:
HLT
1SpA
&
e
HM62256LFP—12SLT
RUN
tace120ns
7OmMA
fei
53kHz,
1.29MA
(82KB
RAM)
HLT
100pA
-
PC—ES00
9.
Note
for
servicing
9-1.
Battery
holding
cushion
attachment
1~1.5
Battery
holding
Reference
,
cushion
Battery
lid
9-2.
Battery
holding
cushion
attachment
Reference
Reference
Bottom
cabinet
Battery
hoiding
cushion
PC-E500
9-3.
Battery
replacement
label
attachment
Bottom
cabinet
i}
Battery
replacement
caution
label
(A)
TLABH1266ECZZ
|
*
Must
be
free
from
tilt.
9-4.
Shield
tape
attachment
Shieid
tape
A
ae
-Reference
Note:
When
attaching
to
the
boss
ss
section,
attach
neatly
along
the
boss.
ute
Shield
tape
vale
|
Bottom
cabinet
Attachment
procedure
boss
Shield
tape
A
1)
Remove
the
separation
paper
in
side
B,
and
bend
section
C
and
D
as
shown
below.
2)
Fitthe
A
side
with
the
reference,
and
paste
the
B
side.
3)
Remove
the
separation
paper,
and
attach
the
tape.
Q)
«~
Fold.
Adhesive
side
4)
Attach
the
three
boss
sections.
(Fit
the
boss
holes
with
the
shield
tape
holes.)
5)
Attach
the
tape
so
that
there
is
no
slack.
Shield
tape
B
1)
Bend
E
section.
(Similar
to
C
section.)
2)
Fit
with
the
reference
and
attach
so
that
ai
and
a2
are
even.
3)
Attach
the
boss
section.
(Fit
the
boss
hole
and
the
shield
tape
hole.)
:
4)
Attach
the
tape
so
that
there
is
no
slack.
\
9-5.
Main
PWB
replacement
procedure
@
Press
the
OFF
key.
(If
a
RAM
card
is
installed,
remove
it.)
@®
Switch
the
select
switch
from
A
to
B.
@
Replace
all
the
four
batteries
with
new
ones.
@
Press
the
RESET
switch.
®
Switch
the
select
switch
from
B
to
A.
{Install
the
RAM
card.)
—
Arm®
—

PC-E500
9-6.
Memory
backup
battery
cover
attachment
@®
Hang
the
battery
on
the
larger
pawl.
®
Push
the
battery
to
hang
on
the
smaller
paw!.
©
Hang
the
battery
cover
pawi
on
the
cabinet,
and
push
it
to
attach.
®
tighten
the
screw
to
fix.
9-7.
Memory
backup
battery
replacement
When
replacing
the
memory
backup
battery,
be
sure
to
instal!
four
batteries
(RO3
x
4).
(Use
unexhausted
ones.)
Ot
+0
Replace
the
battery
in
procedures
(1)
to (6)
as
shown
in
the
figure.
Memory
backup
.
battery
HL
~re
caution
label
*
Paste
the
label
correctly
in
position.
9-9.
Battery
insulation
sheet
attachment
Attach
the
insulation
sheet
to
the
center
so
that
dimensions
A
(4
posi-
tions)
are
all
the
same.
9-10.
Battery
replacement
label
B
attachment
Card
lid
(inner
side)
|
MEMORY
BACKUP
BATTERY
REPLACEMENT
WHEN
REPLACING
THE
MEMORY
BACKUP
BATTERY,
MAKE
SURE
THAT
THE
INSTALLED
OPERATING
BATTERIES
(TYPE-AAA:RO3
x
4)
ARE
NOT
LOW.
FOLLOW
THE
STEPS
@
TO
@
AS
SHOWN
IN
THE
FIGURE.
Battery
replacement
label
B
MEMORY
BACKUP
BATTERY
Reference
*
Must
be
free
from
tilt.
9-11.
Insulation
spacer
attachment
1)
Solder
the
battery
terminal
®.
2)
Take
the
insulation
spacer
with
tweezers
and
insert
under
the
bat-
tery
terminal
from
side
@.
(Note
that
the
paste
side
is
the
battery
terminal
side.)
9-12.
Insulation
sheet
attachment
Insulation
sheet
*
Attach
the
insulation
sheet
so
that
it
does
not
cover
the
spring
by
s
minimizing
dimension
A
and
maximizing
dimension
B.
—~6-—

on
10.
Check
software
for
servicing
*
Check
item
(1)
Liquid
crystal
visual
check
(alternate
display)
(2)
Mask
ROM
verify
check
(3)
Built-in
RAM
read/write
check
(4)
11
pin
/O
check
-
(5)
15
pin
VO
check
(8)
RAM
card
read/write
check
¢
Required
tools
Jig
UKOGC3020CSZZ:
Used
for
(4)
and
(5).
*
Outline
of
using
method
Before
inputting
a
check
software,
clear
the
RAM
completely.
When
check
(6)
is
executed,
the
RAM
card
content
is
deleted.
Save
programs
and
data
before
check,
if
necessary.
<MENU>
MENU
screen
4:
DISP
2:
ROM
3:
RAM
er
4:
11PIN
5:
15PIN
6:
CARD
i)
Key
input
(1)
DISP
(display)
check
@
Key
input
(2)
Mask
ROM
check
(3)
Key
input
(3)
Built-in
ROM
check
en
Key
input
(4)
11
pin
check
(e)
Key
input
(5)
15
pin
check
Key
input
(8)
RAM
card
check
Note:
To
end
a
check,
press
the
BRK[ON]
key.
*
Details
of
each
check
(1)
DISP
(display)
check
MENU
screen
\a
3
Alternate
display
*
All
symbols
light
up.
a)
ee
Alternate
reversion
fe
all
symbols
go
off.
\d
MENU
screen
PC-E500
(2)
Mask
ROM
check
MENU
screen
\@
ROM
CHECK
(WAIT
6
SEC)
Buzzer
(Once)
ROM
CHECK
(WAIT
6
SEC)
ERROR!
Buzzer
(3
times)
ROM
CHECK
(WAIT
6
SEC)
EX
Ver.
1
(LH5320XH)
ROM
CHECK
OK!
MENU
screen
(3)
Built-in
RAM
check
MENU
screen
Buzzer
(once)
Buzzer
RAM
CHECK
ERRORI!
(3
times)
RAM
CHECK
OK!!
MENU
screen

PC-E500
(4)
11
pin
check
MENU
screen
11PIN
CHECK
Y
Buzzer
(Once)
11PIN
CHECK
1130
ERROR!
Buzzer
(3
times)
41PIN
CHECK
OK!!
MENU
screen
(5)
15
pin
check
MENU
screen
15PIN
CHECK
Buzzer
Y
Buzzer
(Once)
(3
times)
15
PIN
CHECK
1
40
ERRORI!
15PIN
CHECK
OKI!
MENU
screen
¢
The
error
code
in
11
pin
check
or
15
pin
check
means
as
fol-
lows:
Check
No.
Normal
value
_———
Error
value
1
13
=+0
¢
For
details
of
error,
see
“Error
code
description”.
(6)
RAM
card
check
MENU
screen
CARD
CHECK
1:
2KB
2:
4KB
3:
8KB
4:
16KB
5:
32KB
6:64KB
(In
case
of
32KB
card)
CARD
CHECK
1:
2KB
2:
4KB
3:
‘8KB
4:
16KB
5:
32KB
6:
32KB
CARD
RAM
32KB
Y
_
Buzzer
(Once)
CARD
CHECK
2KB
2:
4KB
3:
2KB
Buzzer
(3
times)
CARD
CHECK
1:
2KB
2;
4KB
3:
8KB
4:
16KB
5:
32KB
6:
64KB
_.
CARD
RAM
32KB
OK!!
MENU
screen
«
RAMcard
address
map
ooo00
2KB:
40000H
~
407FFH.
4KB:
40000H
~
40FFFH
©
aeePOTCARD|
—_8KB:
40000H
~
41FFFH
16KB:
40000H
~
43FFFH
32KB:
40000H
~
47FFFH
64KB:
40000H
~
4FFFFH
FFFFF
*
Addresses
are
checked
from
higher
one
to
lower
one,
and
the
error
address
found
first
is
displayed.

PC-E500
Check
software
e
*
145
pin
check
code
table
Error
code
description
Nanlad:aeat
I
*
HOHLea=
$ABAN]
ATI
G86T
Tealaq
Nafilad
eset
LOS
$46
E6998
GY
SCES
TAS
Obst
BNGd
aGGT
BOSSE
PrESHT
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PARTS
CODE
DESCRIPTION
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Date:
Jun.
25,
1996
CHANGE
OF
THE
MASK
ROM
1.
Model
name:
PC-E500E/E500GE/E500NE
2.
General:
The
prouction
of
the
mask
ROMs
for
the
above
pocket
computers
has
been
discontinued
and
the
substitutes
will
be
used.
The
production
of
all
the
above
models
is
now
discontinued,
and
this
change
is
for
the
service
parts
only.
3.
Parts
change:||§
—]_——
errr
No
name
Version
|P/G
No.
Pri
Parts
name
tive
PC-E500E
All
29
VHILH532AY8-1
VHILH532QMK-1
|
AW
|
MASK
ROM
=
|Feb.
'96
1
_
PC-E500GE
<Interchange>
PC-ES500NE
1.
Interchangeable.
4.
Not
interchangeable.
2.
Current
type
can
be
used
in
place
of
new
type.
5.
Interchangeable
if
replaced
with
same
types
of
New
type
cannot
be
used
in
place
of
current
type.
related
parts
in
use.
3.
Current
type
cannot
be
used
in
place
of
new
type.
1
New
type
ican
be
used
in
place
Of
current
type.
;
6.
Others.
Parts
marked
with
"/\"
is
important
for
maintaining
the
safety
of
the
set.
Be
sure
to
replace
these
parts
with
specified
ones
for
maintaining’
the
safety
and
performance
of
the
set.
SHARP
CORPORATION
Calculator
Division

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