Sharp ER-A330 (serv.man2) Service Manual ▷ View online
CHAPTER 5 TEST FUNCTION
1. Start of test function
The following key operation is required in the SRV mode to start the
test.
test.
Master reset is required when the system is to be started for the first
time.
time.
2. List of test commands
No.
Test contents
Key operations
1
Mode switch test
1
→
ST
2
One hole cashier SW test
11
→
ST
3
Keyboard test
XXXX02
→
ST
4
Display and Buzzer test
3
→
ST
5
Standard Drawer test
4
→
ST
6
Option Drawer test
14
→
ST
7
Printer test
5
→
ST
8
RAM test
6
→
ST
9
Battery voltage test
7
→
ST
NOTE-1: Test message is printed on the journal
NOTE-2: The contents of the totalizer and the preset values are not
erased by the test.
3. Test function
1) Test No. 1: Mode switch test
1
Key operation
Then, turn the mode switches in the following order.
*
In the mode switch test, turn the switch rhythmically.
2
Description
As the mode switch position number is displayed, check the num-
ber.
As the mode switch position number is displayed, check the num-
ber.
3
Termination
The test can be terminated when the mode switch is turned to the
SRV side from other position.
The test can be terminated when the mode switch is turned to the
SRV side from other position.
Termination print at normal end
******
0 1
Termination print and error
*******
1
2) Test No. 2: One hole cashier key test
1
Key operation
2
Details of the test
Insert the operator key, and the key code will be displayed.
Set the mode switch to another position than SRV to complete the
test.
Insert the operator key, and the key code will be displayed.
Set the mode switch to another position than SRV to complete the
test.
3
Check item
Check that the proper display is made for each key.
Check that the proper display is made for each key.
Key No.
A
B
D
E
No key
Display
1
2
3
4
0
4
Test end
End print
11
3) Test No. 3: Keyboard test
1
Key operation
(1)
Enter the test command in succession to the sum check data
of the model.
of the model.
Model name
Sum check data
(Standard keyboard data)
ER-A310
ER-A330
∗
NOTE:
Sum check data
The check sum is a decimal number obtained by
converting the hard code hexadecimal total of all
keys.
The TL/NS key are the exception.
The check sum is a decimal number obtained by
converting the hard code hexadecimal total of all
keys.
The TL/NS key are the exception.
(2)
Next, push every key on the keyboard except for the receipt
and journal keys.
When the TL/NS key is pressed, the termination printout is
immediately produced assuming that all keys have been
pressed.
There is no order in which the keys have to be depressed.
Display: 02 XX
and journal keys.
When the TL/NS key is pressed, the termination printout is
immediately produced assuming that all keys have been
pressed.
There is no order in which the keys have to be depressed.
Display: 02 XX
←
XX = position code.
[Keyboard position code of model vs. key to be pressed]
[All key position code]
[All key position code]
[ER-A310 standard keyboard layout]
[ER-A330 standard keyboard layout]
XXXX
Test command
ST
1
ST
MODE:
SRV
PGM
VOID
OFF
OP X/Z
REG
MGR
X1/Z1
X2/Z2
SRV
DISPLAYE: (0)
(1)
(2)
OFF
(3)
(4)
(5)
(6)
(7)
(0)
11
ST
02
Test command
X
X
X
X
Sum check data
ST
65
68
67
58
77
78
38
37
27
18
08
48
47
28
17
07
57
46
36
16
06
56
35
75
05
25
55
45
76
15
26
66
42
32
72
02
12
62
52
22
R
70
10
00
J
41
21
11
61
31
20
01
14
04
03
24
44
64
63
34
74
53
33
73
8
70
13
54
43
23
70
10
00
65
68
55
76
26
77
48
47
78
38
37
27
08
03
53
33
73
13
54
43
23
04
63
34
74
31
20
01
41
21
11
61
R
J
15
45
28
18
– 16 –
2
Description
Until the depression of the
Until the depression of the
ST key, the sum of key position
codes is compared with the sum check data, except for the
TL/NS key.
3
Termination
The test terminates with the depression of the TL/NS key and
the termination printout is produced.
The test terminates with the depression of the TL/NS key and
the termination printout is produced.
Termination print at normal end
******
0 2
Termination print at error
*******
2
4) Test No. 4: Display and buzzer test
1
Key operation
2
Description
Continuous beeps and the display are tested.
Continuous beeps and the display are tested.
1. 2. 3. 4. 5. 6. 7. 8. 9. 0.
State of display
The decimal point is shifted digit by digit from the lowest digit
(every 200 msec).
Then all segments are lighted (for about 1 sec).
(every 200 msec).
Then all segments are lighted (for about 1 sec).
8. 8. 8. 8. 8. 8. 8. 8. 8. 8.
State of display
Pressing any key will terminate the test.
3
Check items
Check that each position display is correct.
Check that the display is even and uniform.
Check that the buzzer sound is normal. (No interruption and vibra-
tions of sounds.)
Check that each position display is correct.
Check that the display is even and uniform.
Check that the buzzer sound is normal. (No interruption and vibra-
tions of sounds.)
4
Test end
End
print
3
5) Test No. 5, 6: Drawer open test
1
Key operation
2
Description
With this test, the drawer opens and its state is displayed in the
following manner:
With this test, the drawer opens and its state is displayed in the
following manner:
Drawer open
→
XX 0
Drawer closed
→
XX C
XX = 04 or 14
*
When the model that has no drawer sensor switch, displayed is
"C".
"C".
3
Termination
With depression of any key
With depression of any key
Termination print
04 (For standard drawer)
14 (For Option drawer)
14 (For Option drawer)
6) Test No. 7: Continuous print test
1
Key operation
2
Description
The continuous printing as shown below is performed.
The continuous printing as shown below is performed.
67
56
35
75
05
25
70
10
00
41
21
11
31
20
01
04
63
34
74
13
54
43
23
03
53
33
73
68
55
45
76
15
26
65
78
38
37
27
08
77
48
47
61
R
J
66
42
32
72
02
28
18
3
ST
4
14
: For stardard drawer
: For option drawer
ST
ST
5
ST
– 17 –
3
Termination
After pressing any key, one-cycle of printing is performed before
completing the operation.
After pressing any key, one-cycle of printing is performed before
completing the operation.
Print format
ER-A310
0
0
0
0
0
0
0
0
0
CD
CH
1
⁄
2
1
1
1
1
1
1
1
1
1
P
CK
1
2
2
2
2
2
2
2
2
2
X
CR
2
3
3
3
3
3
3
3
3
3
Z
EX
3
4
4
4
4
4
4
4
4
4
#
TX
4
5
5
5
5
5
5
5
5
5
RF
VT
5
6
6
6
6
6
6
6
6
6
#
%
6
7
7
7
7
7
7
7
7
7
TR
d
7
8
8
8
8
8
8
8
8
8
Q
e
→
9
9
9
9
9
9
9
9
9
@
d
←
★
★
★
★
★
★
★
★
★
+
NS
TL
–
–
–
–
. . . . No
–
*
ST
PL
GT
–
–
–
CA
1
2
3
4
5
6
7
8
9
NS
ST
ER-A330
PL
Z
TX
. . . .
GT
CA
@
–
–
–
–
–
–
–
#
CH
Q
★
★
★
★
★
★
★
%
CR
→
0
0
0
0
0
0
0
0
<
←
1
1
1
1
1
1
1
1
>
1
2
2
2
2
2
2
2
2
#
2
3
3
3
3
3
3
3
3
NS
3
4
4
4
4
4
4
4
4
TX
4
5
5
5
5
5
5
5
5
VT
5
6
6
6
6
6
6
6
6
d
6
7
7
7
7
7
7
7
7
X #
8
8
8
8
8
8
8
8
EX
ST
9
9
9
9
9
9
9
9
RF
TL
0
1
2
3
4
5
6
7
EX
TL
7) Test No. 8: RAM test
1
Key operation
2
Test content
The RAM of 256KByte (standard provision) is checked.
Read and write of each data are made to the addresses shown in the
table below to compare the data. If there is no error, the machine
returns to the key wait state. If an error occurs, intermittent buzzer
sounds are made and the error print is made. Press any key to cancel
the error.
Read and write of each data are made to the addresses shown in the
table below to compare the data. If there is no error, the machine
returns to the key wait state. If an error occurs, intermittent buzzer
sounds are made and the error print is made. Press any key to cancel
the error.
X AD
Upper AD
Upper AD
0
1
2
3
4
5
6
7
8
9 A B C D E F
000X
0F 1E 2D 3C 4B 5A 69 78 87 96 A5 B4 C3 D2 E1 F0
001X
F0 0F 1E 2D 3C 4B 5A 69 78 87 96 A5 B4 C3 D2 E1
002X
E1 F0 0F 1E 2D 3C 4B 5A 69 78 87 96 A5 B4 C3 D2
004X
D2 E1
F0
0F 1E 2D 3C 4B 5A 69 78 87 96 A5 B4 C3
008X
C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69 78 87 96 A5 B4
010X
B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69 78 87 96 A5
020X
A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69 78 87 96
040X
96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69 78 87
080X
87 96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69 78
100X
78 87 96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A 69
200X
69 78 87 96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B 5A
400X
5A 69 78 87 96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C 4B
800X
4B 5A 69 78 87 96 A5 B4 C3 D2 E1 F0 0F 1E 2D 3C
3
Check item
Check the end print.
4
Test end
Normal end print
*******
0 6
Error print
********
6
8) Test No. 9: Battery voltage test
1
Key operation
2
Details of test
By the above key operations, the battery voltage is checked with
the A/D conversion circuit of CPU and the following display is
made.
the A/D conversion circuit of CPU and the following display is
made.
***
Voltage conversion value when the reference voltage Vref (+5V) is
supposed to 256.
supposed to 256.
3
Check item
Display check item
(Example) If the battery voltage is +3 V, 256
×
3/5 = 153 is
displayed.
4
Test end
Pressing any key will make the following print and terminate the
test.
test.
End
print
07
(Note) Specified value: 3.0 V
6
ST
7
ST
– 18 –
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
VP
HE
A
T
S
INK
C
HAP
TE
R 6
.
CIR
C
U
IT
D
IAG
RAM
&
P
W
B
LA
Y
O
UT
1
. C
irc
u
it d
ia
g
ra
m
C
IR
C
U
IT
(E
R
A
310
/A
330)
Q1
K
T
D
1415
F1
S T
1
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A
L/
25
0V
U
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S
A
2.
0A
/1
25
V
C1
M
0
.03
3u
CN
1
PS
C
N
4
1
2
3
BD
1
DI
10
2
C2
470
0u
50
V
R1
12
K
R2
3.
9
K
ZD
1
A
33
0:H
:M
T
Z
2
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A
3
10:
L:
M
T
Z
J
27A
C4
330u
50v
GN
D
D
6
1N
4002
+6
V
VC
C
VD
D
C9
330u
16
V
C1
0
330u
16
V
C8
1000u
16
V
ZD
5
M
TZ6
.2
B
D
7
1S
S
133
D8
1S
S
133
R9
22
0
BT
R7
3.
6K
F
R8
1K
F
HE
A
T
S
INK
5
6
12
3
4
IC
1
K
A
3
4
063A
Q2
K
T
D
1414
R6
10
L1
220uH
D4
PS1
02
R
VC
C
PE
R5
10
0K
R3
56
K
R4
2.
7
K
D3
1SS1
3
3
C5
3.
3u
50
V
ZD
2
A
3
30:
H
:MT
Z
15
A
A3
10
:L
:M
T
Z
1
8B
C
N
14/
C
N
14-
1
FM
C
N
DI
G
1
~
1
0
Q3
1
A
1271
R122
Q3
2
R112
R121
12
K
+6
V
R111
22
0
R123
R124
R125
Q3
3
Q3
4
R113
R114
R
115
R126
R127
Q3
5
Q3
6
Q3
7
R
116
R
117
C6
0.
1u
50
V
R128
R129
R130
Q3
8
Q3
9
R
118
R119
R120
ST
1
~
ST
8
C7
22
0P
Q4
0
Q
31~
Q
33:
A
127
1
R
121~
R
130
: 1
2
K
VB
CN2
BT
C
N
GN
D
A
310:
LC
31
A
330:
H
C
34
R
101
1M
KEY7
2
ST
8
ST
1
ST
2
ST
3
ST
4
ST
5
ST
6
ST
7
D9
D1
0
D1
1
D1
2
D1
3
D1
4
D16
CN
5
CN8
P
D1
5
1S
S
1
33*
8
R
11
,13,
1
5,
17
,19
,21,
23,
25
,2
7,
29
: 2.
2K
CN15
PM C
N
P
O
P
U
P
L
E
D
CN
* 1
R1
1
1
~
R1
20
: 2
2
0
Q
3
~Q
12:
C3
198
Q3
4
~
Q4
0
: B
9
26
F
ND1
D
IG3
'
D
IG
2
'
D
IG1
'
Q1
0
Q1
1
Q1
2
R2
7
R2
9
FN
D
2
D
IG5
'
D
IG4
'
Q8
Q9
R2
1
R2
3
R2
5
FN
D
3
D
IG8
'
D
IG
7
'
D
IG
6
'
Q5
Q6
Q7
R1
5
R1
7
R1
9
FN
D
5
FN
D
4
D
IG1
0
'
D
IG9
'
Q3
C3198
Q4
R1
3
R1
1
2.
2K
CN
7
R
102
56
K
CN8
CN9
P
RA
2
5
6
KX8
GN
D
D1
7
1S
S
133
R4
0
56
K
C1
1
M104
/R
E
SET
KR
1
0
1
5
2
B
5
1
6
1
A
5
A'
B'
R3
0
30
1
3
4
D
5
1
4
3
C
5
C'
D'
1
1
6
F
5
1
0
7
G
5
1
2
5
E
5
E'
F'
G'
SE
G
A
~
D
P
M
A
IN
L
E
D
P
W
B
DP
'
R3
8
2.
2
k
DP
R39
12
k
Q1
3
C3198
ST
1
~
ST
8
IC
5
K
ID
650
03
P
KR
1~
K
R
9
1/
4
(3
-6
C
)(4
-6
C
)
7.
8
(3
-8
A
)(4
-8
A
)
(3
-5
D
)(4
-5
D
)
R3
1
30
R3
2
30
R3
3
30
R3
4
30
R3
5
30
R3
6
30
R3
7
30
(3
-8
A
)(4
-8
A
)
(3
-4
B
)(3
-8
C
)(
4
-8
C
)
(3
-5
D
)
(4
-5
D
)
(3
-8
A
)(4
-8
A
)
(3
-5
D
)(4
-5
D
)
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