Final Assembly Qc; Items Required; Assembly; Power Test - Alesis DEQ830 Service Manual

6) Final Assembly QC

Items Required

1 ME4 (DUT)
1 IEC power cable
1 ADAT Optical cable
1 5-pin DIN Male to Male standard MIDI cable

Assembly

1) Connect one end of the ADAT Optical cable from DUT Optical OUT to DUT
Optical IN.
2) Connect the 5-pin DIN Male to Male MIDI Cable from the MIDI IN jack
to the MIDI OUT jack.
3) Unit is ready for testing.

Power Test

1) Plug the IEC Power Cable into a power source and DUT IEC Power In
connector.
Verify that the front panel LEDs show normal power up message,
"DEQ830" on the left side.
Verify that the LEDs do not flicker and are of a consistent
brightness.
Problems with this inspection indicates that the unit has been
incorrectly assembled.
been properly plugged in.
DUT has FAILED.
Failure of this test indicates that this unit cannot continue
further testing.
2) Unplug the IEC Power Cable to the DUT IEC Power In.
System Test if DUT has not failed.

System Test

1) Press the UTILITY and CHANNEL 7 buttons on the Known Good ME4 Front
Panel Sub-Assembly and hold these buttons during Step 2. When started
in this manner, the unit will enter Factory Test Mode.
Section 1b on the Diagnostic Mode.
Continue with Power Test.
Double check that the IEC cable has
If this is not the problem, then the
Continue with
Please Note