Casio DX-500PL, Service Manual & Parts Manual

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Note: Perform the operation in numerical order.

User's unit

Back up unit

Operation

1

While pushing down RESET
button, press  

E

  then re-

lease RESET button.

4

Press  ZAPISZ  .

5

After the data transmis-
sion....

It takes a few minutes to
complete the data transfer.

7

Press RESET button.

9

Press  WL  .

Note: Never press  ZAPISZ

as it deletes all
the data.

A

Press  WL  (OFF).

Operation

2

While pushing down RESET
button, press  

F

  then re-

lease RESET button.

3

Press  ZAPISZ  .

6

When the data is transferred
properly......

In case the data transfer
ends incomplete......

8

Press RESET button.

0

Press  WL  .

Note: Never press  ZAPISZ

as it deletes all
the data.

B

Press  WL  (OFF).

4. TROUBLESHOOTING

Before doing the following solutions, save data if possible.

SYMPTOM

SOLUTION

CAUSE

No power

Weak battery

Replace batteries

Resolder

Poor soldering of the power
supply circuit

No display at all or wrong display

Defective heat seal

Replace the heat seal

Defective LCD

Replace the LCD

Display

R?
(Unit emits a buzz.)

R?
(Unit emits a buzz.)

OK

ZRESETOWA  ?

ZRESETOWA  ?

NAZWISKO?

Display

T?
(Unit emits a buzz.)

T?
(Unit emits a buzz.)

OK

ZRESETOWA  ?

NAZWISKO?