Read Sharp ER-A310 (serv.man2) Service Manual online
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 –
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