Casio IT-3100, Руководство по обслуживанию

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No Operation Display Inspection contents
– 65 –
Tap "1.SDRAM"
or
push "1" key.
No.1 Operational Current
** SDRAM CHECK **
1.SDRAM CHECK
2.SDRAM CHECK (Loop)
3.SDRAM CHECK (Off On)
4.SDRAM CHECK (Write)
5.SDRAM CHECK (Read, Compare)
[Exit] or Enter Key
Tap "2.SDRAM CHECK(Loop)"
or
push "2" key.
Input “Fn”, “1” to turn the back
-
light off.
Measure current with an am -
meter.
===== SDRAM CHECK =====
RAM SIZE = xxMbyte
Start addr = xxxxxx
Chk byte = xxxxxx
RAM Check (Loop) Start.
Write/Read/Verify 0x5555AAAA
Write/Read/Verify 0xAAAA5555
Input “Fn”, “1” to turn the back -
light on.
Push "Enter" key.
Tap "Exit"
or
push "ENT" key.
===== SDRAM CHECK =====
RAM SIZE = xxMbyte
Start addr = xxxxxx
Chk byte = xxxxxx
RAM Check (Loop) Start.
Write/Read/Verify 0x5555AAAA
Write/Read/Verify 0xAAAA5555
-- RAM CHK OK --
[Exit] or Enter Key
** SDRAM CHECK **
1.SDRAM CHECK
2.SDRAM CHECK (Loop)
3.SDRAM CHECK (Off On)
4.SDRAM CHECK (Write)
5.SDRAM CHECK (Read,Compare)
[Exit] or Enter Key
Confirm the display on the left.
Confirm the display on the left.
The measured current should be
no more than 200 [mA] .
Tap "Exit"
or
push "ENT" key. Back to Main Menu 1 Confirm the display on the left.
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Operation Guide