C-16 Description of Self-test Test Items
Analysis to test failure
The drive goes wrong if the test result appears Error.
FLASH data is inconsistent with that on EEPROM if the information “The data in the
FLASH and EEPROM is inconsistent” appears.
FLASH is empty if the information “There is no data in the FLASH”.
Suggestion to failure test
a) Restart the device and perform the self-test if the test result appears Error. It is
necessary to restore the device if Error re-appears.
b) Check whether the screen is calibrated, and then replace EEPROM or CPU
board if the test result is FAIL.
C.1.35 Z0703 LCD Monitor Brightness Control Test
Top test items
LCD Monitor I2C Interconnection Test
Test content
The dialog box appears when performing the test. The program controls the
brightness of LCD via 12C bus. The brightness goes down to the lowest, and then
goes up to the highest, then gets back to normal. If the brightness changes, click “Yes,
I Can”, otherwise click “No, I Can’t”. If the user clicks “Retry” the system will repeat
the procedure mentioned above.
Analysis to test failure
The drive goes wrong if the test result appears Error.
Brightness control of LCD monitor goes wrong if the test result is FAIL.
Suggestion to failure test
a) Restart the device and perform the self-test if the test result appears Error. It is
necessary to restore the device if Error re-appears.
b) It is recommended to replace CPU if the test result is FAIL.
C.1.36 Z0704 LCD Monitor Backlight Control Test
Top test items
PC Module and DSP FPGA Interconnection Test
Test content
The dialog box appears when performing the test. The program turns the backlight off
for 3 seconds, and then goes back to normal. If backlight changes, click “Yes, I Can”,
otherwise click “No, I Can’t”. If the user clicks “Retry” the system will repeat the
procedure mentioned above.
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