Casio TK-7500 Panduan Pemecahan Masalah - Halaman 12
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2-4. Normal diagnostic opertion
The following test can be checked in the diagnostic test.
1) Key code test
2) switch status test
3) Individual function test
To START Normal diagnostic
operation, refer to the
"SERVICE MANUAL".
Note : Details of Normal diagnostic opertion, refer to the "SERVICE MANUAL".
START
NG
Display test
OK
NG
Keyboard test
OK
NG
RAM2,3 or 4
test
OK
NG
Flash Rom2
test
OK
NG
Print test
OK
NG
RS232C test
OK
END
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Trouble shooting ECR V1.01
2-5. Repair the
MainP.C.Board 2
A
A
A
A
A
A
A