Alesis DEQ830 Service Manual page 47

Final Assembly System Test CON'T
11) Turn VALUE knob clockwise, one position.
Verify that PROG, CURVE and DB indicators are on.
Verify that the THIRD digit is on.
Verify that all the LEDs are on, that they have a consistent
br ightness 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.
12) Press PROGRAM.
Verify that the front panel LEDs shows "ROW" for 1 second.
Verify that the front panel LEDs shows FIRST row for the left
ha nd side, and that the color is ORANGE.
Verify that the front panel LEDs shows FIRST row for the right
hand side, and that the color is GREEN.
Verify that PROG indicator is on, and 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.
13) Turn VALUE knob clockwise, one position.
Verify that the front panel LEDs shows SECOND row for the left
hand side, and that the color is ORANGE.
Verify that the front panel LEDs shows FIRST row for the right
hand side, and that the color is ORANGE.
Verify that OUTPUT, CURVE, and COMPARE indicators are on, and
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.
This goes to the ROW test.
This is the last column.