Casio QT-8000 Service Manual page 67

Printer port is not
working
Keyboard/Mouse are
not functioning
HDD is not working
Touchscreen feature is
not functioning properly
CF Card is not working
Card Reader / IButton
is not working
Audio is not working
Please check the printer port connection.
-
¢ Pull out the printer port cable from the system, then replace it
back.
Defective CPU card
-
¢ Replace the CPU card of the System.
Please check the keyboard/mouse connection.
-
¢ Pull out the keyboard/mouse cable from the system, then
replace it back.
Defective CPU card
-
¢ Replace the CPU card of the System.
- Inverted connection (from HDD to CPU card) of the 44-pin HDD
cable
¢ Adjust and install the HDD cable properly.
Defective hard drive
-
¢ Replace the hard disk drive of the system.
- Defective CPU card
¢ Replace the CPU card of the System
Improper connection (from J1 of touchscreen control board to
-
CN1 of the system) of the 7-pin touchscreen control cable
¢ Adjust and install the touchscreen control cable property.
Loose touch connection on J3 of the touchscreen control board.
-
¢ Pull out the touch cable on J3 then re-install it back. If
symptoms persist, consult CASIO engineers.
Defective touchscreen control board
-
¢ Replace the touchscreen control board of the system.
- Please check the CF card locates on the CF slot correctly.
- Make sure the CF card is plug into the bottom.
- Please check the CF card is the qualified product.
Please check the Card's magnetic and the speed of swiping.
-
Please check the magnetic of Touch Key, and does it connect to
-
the I-Button signal side at right position?
Please check the Card and Touch Key are qualified products.
-
Please check the Audio connection.
-
¢ Pull out the Audio cable from the system, and then replace it
back.
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