CASIO ZX-462
Instrukcja Serwisowa

Note: Perform the operation in numerical order.

User's unit Operation 1 While pushing down RESET button, press then release RESET button. 4 Press ZAPISZ . Display T? (Unit emits a buzz.)

Back up unit Operation 2 While pushing down RESET button, press then release RESET button. 3 Press ZAPISZ . Display R? (Unit emits a buzz.)

T? (Unit emits a buzz.) OK

R? (Unit emits a buzz.) OK

5 After the data transmission.... It takes a few minutes to complete the data transfer.

6 When the data is transferred properly...... In case the data transfer ends incomplete......

ZRESETOWA é? c

7 Press RESET button. 9 Press WL . Note: Never press ZAPISZ as it deletes all the data. A Press WL (OFF).

ZRESETOWAé? c NAZWISKO?

8 Press RESET button. 0 Press WL . Note: Never press ZAPISZ as it deletes all the data. B Press WL (OFF).

ZRESETOWA é? c NAZWISKO?

4. TROUBLESHOOTING
Before doing the following solutions, save data if possible.

SYMPTOM No power

CAUSE Weak battery Poor soldering of the power supply circuit

SOLUTION Replace batteries Resolder

No display at all or wrong display

Defective heat seal Defective LCD

Replace the heat seal Replace the LCD

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