Casio DX-500HG, Service Manual And Parts List

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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 BEÍRÁS .
5 After the data transmis-
sion....
It takes a few minutes to
complete the data transfer.
7
Press RESET button.
9
Press BE .
Note: Never press BEÍRÁS
as it deletes all
the data.
A
Press BE (OFF).
Operation
2 While pushing down RESET
button, press
F
then re-
lease RESET button.
3 Press BEÍRÁS .
6 When the data is transferred
properly......
In case the data transfer
ends incomplete......
8
Press RESET button.
0
Press BE .
Note: Never press BEÍRÁS
as it deletes all
the data.
B
Press BE (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
T?
(Unit emits a buzz.)
T?
(Unit emits a buzz.)
OK
MINDENT TÖRÖL?
NÉV?
Display
R?
(Unit emits a buzz.)
R?
(Unit emits a buzz.)
OK
MINDENT TÖRÖL?
MINDENT TÖRÖL?
NÉV?