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  9. Sharp ER-1911 User manual

Sharp ER-1911 User manual

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SHARP
_
SERVICE
MANUAL
CODE:00ZER1921SM2E
ELECTRONIC
CASH
REGISTER
No.2:
Hardware
manual
ER-1
91
1
(Europe
Ver.)
ER-1921
ER-2
S386
us,
Ver.)
move.
ER-2396
SRV
Key
:LKGIM7113RCZZ
CONTENTS
L.
ER-191
1/ER-2386
........
cece
cececereeeeeeeeseeereeeeeneerepereeensnsenerenaens
1.
TEST
FUNCTION
(ER-1911/ER-2386)
2.
CIRCUIT
DESCRIPTION
(ER-1911/ER-2386)
...
3.
CIRCUIT
DIAGRAM
(ER-1911/ER-2386)
...........:ceeeeseeeeeeeeees
12
TL.
ER-1921/ER-2396
.2.......cccecceeeneeeeeeeeeeeceeteseeceeesaseeaeeeeerenerene
15
4.
TEST
FUNCTION
(ER-1921/ER-2396)
.........ccccceseeeereseneeeeees
15
2.
CIRCUIT
DESCRIPTION
(ER-1921/ER-2396)
...
3.
CIRCUIT
DIAGRAM
(ER-1921/ER-2396)
TIL.
INSTALLATION
MANUAL
FOR
OPTIONS.
.........:::eeeeeeereerees
32
a
SHARP
CORPORATION
This
document
has
been
provided
for
service
training
program
and
is
subject
to
revision
without
notice.
I.
ER-1911/ER-2386
1.
TEST
FUNCTION
(ER-1911/ER-2386)
1-1.
Start
of
test
function
The
following
key
operation
is
required
in
the
SRV1
mode
to
start
the
test
20
>
RE]
or
[REND
Test
command
RE]
key
:
ER-1911
BEND]
key
:
ER-2386
1-2.
List
of
test
command
No.
Description
Key
operation
1_|Mode
switch
test
1
[RF]
orfRFND.
2
|Key
test
XXx02
[RF]
orfRFND!
3.
|
Display
test
3
=
[RF}or|REND]
4
.|
Buzzer
test
4
>
[RE]
or[REND.
5
|
Receipt
ON/OFF
switch
test
5
+
[RF]
or[RFND]
6
|
Drawer
open
test
{with
option
installed)
6
>
[RF]
or[RFND}
7_|Printer
test
7
—
[RF]
or[REND-
8
|
RAM
test
8
=
[RF]
or[RFND]
9
|
Key
position
code
test
9
—
[RF
jor[RFND
10
[Sequential
test
XXX11
>
[RE]
or[AFND
XXX
:
Sum
check
data
for
standard
key
layout
ER-1911{5DEPT.)=22
ER-2386=237
ER-1911(10DEPT.)=213
41-3.
Test
description
1)
Test
No.1
:
Mode
switch
test
®
Key
operation
1
-+
[BF]
or
REND)
Then,
turn
the
mode
switches
in
the
following
order.
Mode
switch
operation
SRVI
PGM
[eq]
or
VOID
of
OFF
TIME
i
REG
x
Display
Lary.
IM
ine
x222
u
Mode
switch
position
layout
For
ER-1941
REG
For
ER-2386
REG
TIME
o
xt
xt
Z
X2Z2.
PGM
(SRV1)
(srv2)
(SRV2)
@
Description
As
the
mode
switch
position
number
is
displayed,
check
the
number.
@
Termination
The
mode
can
be
terminated
when
the
mode
switch
is
turned
to
the
SRV1
side
from
other
position.
Termination
print
1
Error
print
=
2
(zaaa
1E
2)
Test
No.2
:
Key
test
©
Key
operation
eo
or
[REND]
Test
command
Sum
check
data
Enter
the
test
command
in
succession
to
the
sum
check
data
of
the
model.
Modet
Sam
check
data_|
ER-1011
:
SDEPT.
22
ER-1971
10DEPT.
|
2is*
ER2386
10DEPT.
267"
*
NOTE
:
Sum
check
data
The
checksum
is
a
decimal
number
obtained
by
converting
jow two
digits
of
the
hard
code
haxadecimal
total
of
all
keys.
The[TL]
or
keys
are
exception.
+
Next,
push
every
key
on
the
keyboard
except
for
the
receipt
and
journal
keys.
When
the
[TL]
or
[CA/AT]
key
is
depressed,
the
termination
printout
is
immediately
produced
assuming
that
all
keys
have
been
depressed.
There
is
no
order
in
which
the
keys
have
to
be
depressed.
+
Keyboard
position
code
of
model
vs.
key
lay
out
[All
key
position
code]
A2|
12
|
04
|
02
|
03
cic
eel
|
R
lJ
41
|
42
|
72
A3
|
32
|
14
02;
01
43
|
44
92
|s2
73
A4
|
B2/
13
03
|
22
54
|
53
93
les
74
A1|B4)
34
11
|
24
52
|
63
81
loa
84
71
|B3/
33
23
51
|
62
61
|
64
91
/B1)31
21
{ER-1911]
5
DEPT.
A2}
12
02
R
ee
41
|
42
|72
32
01
43
|
44
92
|82 |73
B2
22
54}
53
93
(83
|74
B4
24
52/63
81
(94
|84
B3
23
51
62}
61
|
64
B1
TL
10
DEPT.
a
fh
41
(42
|72
32)
14
01
43
|
44
92
|
82
|73
B2|
13
22
54
|
53 93
|
83
|74
B4|
34
24
52/63
81
1.94
|
84
B3
|
33
23
51
|
62
eife4}
|
B1|31
Th
ER-2386]
aw
02
|03
als
4
a2
|72
32
[14
o1
43
|
44
92 82
|73
Ba
{13
22
54/53
j93
83
|74
11
|
24
52
|
63
[at
94
|
84
23
51
|
62
61
|
64
CAAT
®
Description
Until
the
depression
of
the
[TL]
or
[CA/AT}
key,
the
sum
of
key
position
codes
is
compared
with
the
sum.check
data,
except
for
the
[TL]
or
[CA/AT]
key.
®
Display
+
Display
the
hard
code
of
the
key
pressed.
+
High
and
low
digits
of
the
hard
code
are
separated
with
a
hyphen
*-".
+
Ifthe
hard
code
value
is
A
or
B,
it
will
be
converted
into
decimal
equivalent
and
displayed.
A
10
Boil
©
Termination
The
test
terminates
with
the
depression
of
the
[TL]
or
[CAYAT]
key
and
the
termination
printout
is
produced.
Termination
print:
|
2/24
Error
print
|
3)
Display
test
@
Key
operation
RE}
or]
REND
35
@
Description
The
display
pattem
is
kept
displayed
in
the
given
interval
after
the
test
mode
was
established.
Press
any
key
to
cancel
the
test
mode.
In
this
event,
the
display
returns
to
the
initial
message
display.
+
Disptay
'
Li
Bel
86
di:
Lott
al
6
8
tt
7
15
66
AB
LS
6
648
2
ly
al
£6
4
8
AA
OY
Eee
ce
@
Termination
print
:
{
a
|
4)
Test
No.4
:
Buzzer
test
@®
Key
operation
4
[RF]
or
[RFND)
@
A
continuous
beep
will
be
issued
when
in
this
mode.
Press
any
key
to
cancel
the
test
mode,
The
beeper
will
then
be
turned
off.
+
Display
@
Termination
print
:
I
4
1
5)
Test
No.5
:
Receipt
ON/OFF
test
@
Key
operation
5
[BE]
or
[RFR
@
Description
The
following
is
dispiayed
according
to
the
location
of
the
receipt
on/off
switch.
Display
: |
5
O|Receipt
on
(contacts
open)
5
C]Receipt
off
(contacts
closed)
®
Termination
With
depression
of
any
key,
Print
out
:
{
5
t
6)
Test
No.6
:
Drawer
open
test
©
Key
operation
6
>
[RE]
or
[RFND
@®
Description
With
this
test,
the
drawer
opens
and
its
state
is
displayed
in
the
following
manner.
Display:
[
6
0}
Drawer
open
fa
C]
Drawer
close
For
the
model
with
the
drawer
‘open
sensor,
check
that
the
display
shows
“0
when
the
drawer opens,
and
"C*
when
it
closes.
For
the
mode!
without
the
drawer
open
sensor,
check
that
the
display
always
shows
"C’.
®
Termination
With
depression
of
any
key.
Print
out
:
\
7)
Test
No.7
:
Printer
test
@
Key
operation
7
-»
[RE]
or
[REND
®
Description
Receipt
switch
in
the
position
OFF:
Continuous
printing
is
done,
Receipt
switch
in
the
position
ON
:
After
a
cycie
of
printing,
the
operation
terminates
automatically.
Display
:
®
Termination
When
the
receipt
switch
is
tuned
fram
OFF
ta
ON
position
while
printing
is
continuing,
the
test
terminates
after
a
cycle
of
printing.
JA
continuous
print
example]
Address
vs.
data
EB-2386
ER1aiL
oo
Cooo0ddsaaT
Uitidy
tag
rinttnia
2222222208
222222220
BE333333E0
33333333E
SEER
AGELESS
44446446
5555555570
555555557
6666666608
656666660
TAVITTTIX
TTVITITVIX
8eeaessare
88888883
I99DIIIOE
99999999K
Lea
eee
peers!
terres
y
£4
8)
Test
No.8
;
RAM
test
©
Key
operation
8
[RF]
or
[REND
®
Description
After
writing
the
tollowing
data
in
the
RAM,
the
data
is
check
by
reading
the
RAM.
i
an
error
occurs,
the
operation
ends
with
the
termination
error
printout.
The
application
will
handle
it
as
address
O00OH~3FFFH
and
4-bit
data
by
the
handler
and
converted
to
the
address
Q000H~1FFFH
and
8-bit
data,
NOTE:
The
data
in
the
RAM
is
cleared
by
this
test.
Perform
a
master
reset
function
ater
this
test
is
completed.
“Torre
gg
se
7
a
OP
ATR
CID
ETE
TOI
[Oi
2
ss
5
Si
TSH
ABCD
RIE
DOR
{PTOI
28
4S
OTS
I
IAIBIC
DIE
@0
4X
)BiFi0/31213:4;5!6/7/
8)
91AIBICID
@
ON
[DIEIFlO1112:914'516:7:18:9:Ai
BIC
O
LOX
(CIDIE:FHO(1i1
213341516171
819
1
ALB
OZONIBICIDIFIFLOL
21S
415
BT
BGA
04
0X
JAIBICIDIB
FO 12
si
a
Si si
7i
eis
THON
|OABICIDIBIFi0
1;
213:
4
516/718
TOOX
|Si9:AIBICIDIEiFiOilizisiai
si
giz
SOON
IT
SIV
ABICIDIB
FlOlil
273
afsis
‘The
write
data
to
other
address
will
be 0.
Display:
|
8
@
Termination
8
(
(=2Ses55
gE
|
Normal
termination
print
out
Error
print
out
9)
Test
No.9
;
Key
position
code
test
®
Key
operation
9»
(BE
or
FAD}
®
Description
Shows
the
hard
code
of
the
key
pressed,
except
for
the
[CA/AT}key-
:
Press
the[TL]
or
key
to
cancel
this
test
mode.
*
Display
LA
1.
:
Indicates
the
hard
code
of
the
key
depressed.
High
and
low
digits
of
the
hard
code
are
separated
with
a
hyphen
*-".
if
the
hard
code
value
is
A
or
B,
it
will
be
converted
in
to
decimal
equivalent
and
displayed,
@
Termination
40)
Test
No.10
:
Sequentiat
test
@
Key
operation
40
-»
[RE)
or
[RFND}
Sum
check
data
@
Description
Checksum
for
the
keyboard
test
js
similar
as
the
Jab#02,
is
a
decimal
number
obtained
by
converting
low
two
digits
of
the
hard
code
hexadecimal
total
of
all
keys.
With
this
test,
test
items
1~8 are
executed
in
succession.
The
basic
print
pattem,
however,
is
used
for
the
printer
aging
test
of
en
7.
The
basic
print
pattem
wilt
be
printed
just
for
once,
ragardless
of
the
receipt
switch
position.
Termination
print
(or
error
print)
will
be
obtained
avery
time
a
test
has
completed
before
going
to
a
next
test.
After
compietion
of
the
test
item
8,
the
stamp
is
printed
and
a
receipt
is
issued
and
the
sequential
test
terminates.
Key
operation,
display,
and
printout
of
tests
No.
Test
Key
operation
Display
Print
(norma!
pattern)
Note
1
|
Mode
switch
Made
switch
2
SRV1
2
Key
Key
entry
TL
key
3
Display
The
display
pattern
wil}
continue
until
a
key
is
pressed.
(Any
key)
4
Beeper
Beep
(Any
key)
Beep
stop
5
Receipt
Receipt
issue
ON/OFF
active
—
Receipt
issue
}
|
(Any
key)
not
acive
6
|Drawer
open
Drawer
open
NOTE;
Drawer
(Drawar
close)
open
sensor
kit
{Any
key)
must
be
installed.
7
Print
Le
ER-4911
ER-2386
|
8
RAM
(Stamp
printed
and
receipt
issued)
@
Termination
All
tests
automatically
terminate
open
finishing
the
stamp
test.
2.
CIRCUIT
DESCRIPTION
(ER-1911/2386)
Circuit
block
diagram
Voltage
regulator
Printer
power
source
VP,
VM
Display
power
source
VDISP
AC
power
Power
Do-DC
Drawer
Buzzer
converter
Power
ON/OFF
switch
Strobe
signal
ol
aise
peta
ae
LsI
Mode
switch}
S808
x
uPD75217
Receipt
ON/OFF
cutoy
Address|
Latch
Power
Ad-
switch
dress
Operator
__
side
display
tube
display
tube
9MT9BG
PMT98GY
RAM
HM6264,
Fig.
2-4
2-1.
hPD75217
Terminal
signal
No.|[
Name
Description
T/o
T
ss
Kéy
strobe/Display
tube
segment
signal
(d)
out
2]
s2
Key
strobe/Display
tube
segment
signal
(c)
out
3]
$2
Key
strobe/Display
tube
segment
signai
(b)
out
4|
so
Key
strobe/Display
tube
segment
signal
(a)
out
5
|
POO
Power
off
signal
in
6
|
Pol
Print
data
shift
clock
output
out
7
|
Boz
Print
data
output
out
8
|
Po3
Key
return
signal
in
3]
a
Printer
timing
signal
input
in
10]
P11
Key
return
signal
in
Ir
|
Piz
Key
return
signal
in
12
|
P13
Key
return
signal
in
13
|.
-cs1
RAM
chip.
select
signal
out
14
[°
-wE
RAM
write
signal
out
15
|
P22
Printer
motor
on
signal
out
16
|
P23
Drawer
open
signal
out
17
|
P30
Mode
switch
return
in
18]
P31
Key
return
signal
in
19
|
P32
Address
latch
enable
for
RAM out
20
|
A12 RAM
Address
bus Al2
out.
21
AB
RAM
Address
bus
Aé
out
22
AD
RAM
Address
bus
A9
out
23
All
RAM
Address
bus
All
out
24
ALO RAM
Address
bus Al0
out
25
DI/A0
Data
bus
D2/Address
bus
_Al0
in/out,
26
D6/A:
Data
bus
Dl/Address
bus
Al
in7out
27
DS/A4
Data
bus
DO/Address
bus
A4
in/out
28
D4/A2
Data
bus
D7/Address
bus
A2
in/out
29
PPO
Buzzer
signal
out
30 XL
X'tal
terminal
4.19MHz
in
31 X2
X'tal
terminal
4.
19MHz
in
32
vss
GND
in
33
xTL
Timer
X‘tal
terminal
32.768KHz
in
34
XT2
Timer
X'tal
terminal
32.768KHz
in
35
DO/A7
Data
bus
DO/Address
bus
A7
in/out.
6
DIZA'
Data
bus
Di/Address
bus
A6
in/out
37
D2/A5
Data
bus
D2/Address
bus
AS
in/out
38
D3/A3
Data
bus..D3/Address.
bus
A3
in/out
39
~RESET
Reset
signal
input
in
40
TO
Display
tube
1st
digit
drive
signal
out
Hitt}
bisslay
tubs
and
digit
drive
signal
———
out
a2
|
T2
Display
tube
3rd
digit
drive
signal
out
43
|
T3
Display
tube
4th
digit
drive
signal
out
44]
T4
Display
tube
5th
digit
drive
signal
out
45
|
TS
Display
tube
6th
digit
drive
signal
out
a6
TS
|—
Display
tube
7th
digit
drive
Signal
out
47
|
17
Display
tube
8th
digit
drive
signal
out
48}
T8
Display
tube
9th
digit
drive
signal
out
a9
|
T9
NU
50
|
PH3
NU
Si
|
PHZ
Wo
2
|
PHL
Printer
magnet
data
output
enable
signal
out
53
|
PHO
Printer
magnet
data
strobe
signal
out
54]
Sil
Key
strobe
signal
out
55.|
S10
Key
strobe
signal
out
[se
+
Vioad
Power
(-20V)
for
display
in
57
|
Vpre
Power
(-4V)
for
display
in
58]
59
Key
strobe
signal
out
59]
58
Key
strobe
signal,
Display
tube
segment
(¥)
out
60
|
S87
Key
strobe/Display
tube
segment
(DP)
signal
out
ei
|
56
Kéy
strobe/Display
tube
Segment
signal
(9)
out
62
|
s5
Key
strobe/Display
tube
segment
signal
(f)
out
63;
S4
Key
strobe/Display
tube
segment
signal
(e)
out
64
|
vpDD
Power
(+5V)
in
2-2.
Circult
description
4)
RAM
Read/write
circult
HM5264
pPD75217
Data
bus
i
po-07
K
DOYA7-D7/A0
Address
bu
ADAI2
P32
40
AB-AIL
WE
We
os
E
tsi
Fig.
2-2
Since
the
8-bit
data
bus
of
the
pPD75217
shares
the
same
lines
with
the
8-bit
address
bus
of
the
HM6264,
selection
of
the
RAM
chip
by
the
pPD75217
causes
the
HC973
to
latch
the
8-bit
address
when
P32
of
uPD75217
is
inputted.
DOK?
~DIIA2
HC978
output
Ta
=
wR
H
RAM
data
read
timing
2)
Battery
Circuit
o
os
.
v0.00
—D+
De
vecisvi
ama
voo
isv
a0
cr
—-
:
Battery
recharge
current
---+
:
Battery
discharge
circuit
Fig.
2-3
3)
P-OFF
Circuit
Power
SW
Torr
eweon
Fig.
2-4
At
power
on
When
P-ON
voltage
reaches
16V,
the
current
flows
through
the
zener
diode
(MTZ16B)
so
that
the
level
at
point
@
goes
high.
‘The
eve}
of
P-OFF
rises
as
VCC
increases.
As
a
result,
the
P-
OFF
signal
changes
from
low
to
high
level.
At
power
off
When
the
power
is
turned
off,
the
P-ON
voltage
drops
under
15V
causing
the
zener
diode
to
stop
current
flow,
which
causes
potential
at
point
@
to
drop.
Power
ON
Powe:
OFF
sav
Pon
/
\
as
tov
rom
@
/
\
eno
tv
Pore
Se
~
8y
Reset
GND
Fig.
2-5
4)
Key
and
switch
so~-S11
Key
scan
signal
POS,
P1i~P13
Key
return
signal
vo
:
Power
switch
P-ON
Made
switch
P3ok
Mode
switch
Return
signat
5)
Display
control
80-88
pPD75217
Fig.10-7
a~g:
Display
segment
DP
:.
Decimal
point
Vv:
Indicator
Fig,
2-7
A-G,
PLY
Display
tude
6)
Printer
control
Block
diagram
CR-802A
or
UCR-802A
PRINTER
yPD75217
PO2
-}———|
PHO
|
-
we
us
Charactor
Pot
aa
selecting
he
magnet
PHI
ju}
xe
|
st
oy
a,
Mio
ee]
st
bas
cK
OS.
ane,
|
Ca
ag
ie
a
imet
a
et
STAMPmagnet
ar
J-FEED
magnet
<I>.
iia}
A-FEED
magnet
alo;
MOTOR
“f+
|
sco
TIMMING
GENERATOR;
HH
Fig.
28