Mindray DC-68, Service Manual

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C-14 Description of Self Test Items

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
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace primary LCD monitor if the test result is FAIL .
C.1.31
Z0903
Primary LCD Monitor Backlight Control Test

Top test item
I2C communication test of primary LCD monitor

Test content
The dialog box appears when performing the test. The program turns the backlight of primary LCD
monitor 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.

Analysis to test failure
The drive goes wrong if the test result appears Error .
Backlight control of primary LCD monitor goes wrong if the test fails.

Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace primary LCD monitor if the test result is FAIL .
C.1.32
Z1001
Secondary LCD Monitor I2C Interconnection
Test

Top test item
Communication self test between PC Module and MF FPGA