Read Sharp XE-A207 (serv.man3) Service Manual online
XE-A207/A217/A307
DIAGNOSTIC PROGRAM DESCRIPTION
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13. RAM
The Write & Verify of the whole RAM area is conducted.
Change the written data for each address as shown below.
Change the written data for each address as shown below.
After the test result is displayed (printed out), press the [TL/NS] key to
terminate.
terminate.
Caution: To have printout of test results, as XE-A307 has 2 sheets for
the printer, be sure to use both printers to print it out.
Address
Written data
800000h
ȡ80FFFFh
800000h
ȡ80FFFFh
810000h
ȡ81FFFFh
810000h
ȡ81FFFFh
|(The rest is omitted)
870000h
ȡ87FFFFh
55h write,verify
AAh write,verify
55h write,verify
AAh write,verify
|(The rest is omitted)
55h write,verify
AAh write,verify
870000h
ȡ87FFFFh
LCD display (when the test result is NG.)
RAM WRITE&VERIFY
NG
TL KEY:EXIT
NG
TL KEY:EXIT
LCD display (when the test result is OK.)
RAM WRITE&VERIFY
OK
TL KEY:EXIT
OK
TL KEY:EXIT
Printout (when the test result is NG.)
RAM NG
Printout (when the test result is OK.)
RAM OK
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