The Countermeasure For "System Error - Casio EX-Z4 Service Manual & Parts List

THE COUNTERMEASURE FOR "SYSTEM ERROR"

Purpose
System error may occur when the battery is removed while data is written to the internal memory.
If "SYSTEM ERROR" appears on the monitor, execute the following operation.
1. Back up the ADJ DATA.
2. Initialize the system.
3. Write the firmware.
4. Initialize the system again in order to initialize ADJ DATA.
5. Write the firmware again.
6. Return the backed up ADJ DATA.
7. Check the operation in the test mode.
PROCEDURE
1. Back up the ADJ DATA.
a) Enter the TEST mode.
Turn the power on while pressing both "MENU"and "DISP" buttons.
Press "RIGHT" button, "RIGHT" button and "MENU" button.
b) Select "3.USB TCC TEST", and press "SET" button.
c) Select "1.USB TCC ON", and press "SET" button.
d) Turn the power OFF.
e) Set the camera to the cradle and turn the power on and connect it to the PC by the USB cable.
f ) Boot "adj03natsu.exe".
g) Click "ADJ ALL READ", and display the data on the "adj03natsu.exe".
h) Save the ADJ data.
Proceed to the next operation even if ADJ DATA cannot be saved.
2. Initialize the system.
a) Enter the TEST mode.
b) Select "7:ROM UPDATE" and press SET button.
c) Next, select "5:SYSTEM INITIAL" and press SET button.
d) The following message appears.
SYSTEM INITIALIZE
START ...
PUSH OK KEY?
e) Press SET button and System is initialized.
But the message, "SYSTEM ERROR", still appears on the monitor.
3. Write firmware.
Refer to the "How to update the firmware" on page 7.
Write the firmware.
If the TEST mode boots automatically, change "USB TCC ON" to "USB TCC OFF".
4. Initialize the system again.
Operation is the same as 2.
Proceed to the next operation even if "SYSTEM ERROR" appears on the monitor.
5. Write the firmware again.
Operation is the same as 3.
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