Read Sharp ER-A570 (serv.man6) Service Manual online
2) Option RAM address test
1
Key operation
30X
→
TL (X: 0~6)
JOB
#NO.
RAM NO.
Memory to be checked
Address
area to be
checked
300 Option RAM
(main)
ER-01RA
1E0000H
(
1E7FFFH
301 Option RAM
(main)
ER-02RA
1E0000H
(
1FFFFFH
302 ER-01MB
RAM1
ER-02RA+ER-01MB
1E0000H
(
21FFFFH
303 ER-01MB
RAM2
ER-02RA+
(ER-01MB+ER-02RA)
1E0000H
(
23FFFFH
304 ER-01MB
RAM3
ER-02RA+
(ER-01MB+ER-02RA
✕
2)
1E0000H
(
25FFFFH
305 ER-01MB
RAM4
ER-02RA+
(ER-01MB+ER-02RA
✕
3)
1E0000H
(
27FFFFH
306 ER-02MB
ER-02RA+ER-02MB
1E0000H
(
2FFFFFH
2
Functional description
The following check are performed for the optional RAM. Do not
change.
The following check are performed for the optional RAM. Do not
change.
Check
Address
ϑΟΒ300 ϑΟΒ301 ϑΟΒ302 ϑΟΒ303 ϑΟΒ304 ϑΟΒ305 ϑΟΒ306
1E0000H
♠
♠
♠
♠
♠
♠
♠
1E0001H
♠
♠
♠
♠
♠
♠
♠
1E0002H
♠
♠
♠
♠
♠
♠
♠
1E0004H
♠
♠
♠
♠
♠
♠
♠
1E0008H
♠
♠
♠
♠
♠
♠
♠
1E0010H
♠
♠
♠
♠
♠
♠
♠
1E0020H
♠
♠
♠
♠
♠
♠
♠
1E0040H
♠
♠
♠
♠
♠
♠
♠
1E0080H
♠
♠
♠
♠
♠
♠
♠
1E0100H
♠
♠
♠
♠
♠
♠
♠
1E0200H
♠
♠
♠
♠
♠
♠
♠
1E0400H
♠
♠
♠
♠
♠
♠
♠
1E0800H
♠
♠
♠
♠
♠
♠
♠
1E1000H
♠
♠
♠
♠
♠
♠
♠
1E2000H
♠
♠
♠
♠
♠
♠
♠
1E4000H
♠
♠
♠
♠
♠
♠
♠
1E8000H
—
♠
♠
♠
♠
♠
♠
1F0000H
—
♠
♠
♠
♠
♠
♠
200000H
—
—
♠
♠
♠
♠
♠
210000H
—
—
♠
♠
♠
♠
♠
220000H
—
—
—
♠
♠
♠
♠
240000H
—
—
—
—
♠
♠
♠
260000H
—
—
—
—
—
♠
♠
280000H
—
—
—
—
—
—
♠
"
♠
" in the table shows that the check point address is valid, and
"—" shows that it is invalid.
3
Check the following items.
Check the termination print.
Check the termination print.
4
Test termination
The test terminates after printing the termination printout.
The test terminates after printing the termination printout.
Termination printout
Normal termination
30X
Abnormal termination
EY– – – –
30X
❈❈❈❈❈❈
30X: JOB# (300~306
Y:
Y:
Error code
Note: When an error occurs error print is performed and the error
address is displayed in position
❈❈❈❈❈❈
in hexadecimal.
6
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