Casio QT-7300 Service Manual page 45

Precautions
1 For checking QT-7363D, use customer display stand unit.
2 Turn the power off before connecting the customer display.
3 After the check, be sure to set the DIP switch correctly.
4 Also check rotating mechanism of the customer display.
Diagnose
1 Unscrew four screws and remove display panel.
2 Apply power supply (AC adaptor).
3 Turn all the DIP switches on.
4 Push the reset switch.
OFF
1
2
3
4
5
6
7
8
Initial position of DIP switch
Diagnostic program starts and display shows;
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Screws
Reset switch
ON
Display tube
DIP switch