Casio CE-6100 Manuale di risoluzione dei problemi - Pagina 13
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2-5. Repair the Main P.C.Board 2
START
Display
OK
Key Board
OK
RAM2,3 or 4
OK
Flash ROM2
OK
Printer
OK
RS232C
OK
END
< Probable Causes >
1.Display tube is broken.
NG
2.Communication lines or data between
the display and the Main P.C.Board have
a problem caused a poor connection or
a some IC broken.
1.Button or Key switch is broken.
NG
2.Spillage problem.
3.Circuit of the key common sheet
is damaged.
NG
1.RAM2,3 or 4 is broken.
2.Poor connection of solder line.
3.Chip enable IC is broken.
NG
1.Flash ROM2 is broken.
2.Poor connection of solder line.
3.Chip enable IC is broken.
1.Print head is broken.
( Printer )
2.Poor connection of the cable.
3.Motor is broken.
4.Paper Jam
NG
1.Drive IC5 or transistor
Q6 or Q8 is broken.
( Main P.C.Board ) 2.CPU IC10 has poor connection
of solder lines.
1.COM1 IC18 is broken.
NG
2.CPU IC10 has poor connection
of solder lines.
3.Cable wiring is wrong.
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Trouble shooting ECR V1.01