Alesis DEQ830 Service Manual page 49

Final Assembly System Test CON'T
17) Turn VALUE knob clockwise, one position.
Verify that the front panel LEDs shows SIXTH row for the left
hand side, and that the color is ORANGE.
Verify that the front panel LEDs shows FIFTH row for the right
hand side, and that the color is GREEN.
Verify that the decimal places are on in the DIGIT display, and
that the color is GREEN.
Verify that all the LEDs are on, that they have a consistent
brightness and that they are not flickering.
Problems with this inspection indicates that the unit is
problems with its LED display, and that the DUT has FAILED.
Failure of this test indicates that this sub-assembly cannot
continue further testing.
18) Turn VALUE knob clockwise, one position.
Verify that the front panel LEDs shows SEVENTH row for the left
hand side, and that the color is GREEN.
Verify that the front panel LEDs shows SIXTH row for the right
ha nd side, and that the color is GREEN.
Verify that the center segment are on in the DIGIT display, and
that the color is GREEN.
Verify that all the LEDs are on, that they have a consistent
brightness and that they are not flickering.
Problems with this inspection indicates that the unit is
problems with its LED display, and that the DUT has FAILED.
Failure of this test indicates that this sub-assembly cannot
continue further testing.