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Final Assembly QC
Items Required
1 ME2 Assembled Unit (DUT)
1 P3 type Alesis Power Supply
1 CD Player with CD (can be of any music or just test tones)
2 RCA to ¼" PHONE PLUG Cables
2 ¼" PHONE to ¼" PHONE Cables
1 Pair of powered audio monitors such as Alesis M1 Active (8N or 8M)
Assembly
1)
Connect CD Player Left Out to DUT Channel A IN using RCA to ¼" PHONE
PLUG Cable.
2)
Connect CD Player Right Out to DUT Channel B IN using RCA to ¼"
PHONE PLUG Cable.
3)
Connect DUT Channel A OUT to one Alesis M1 Active speaker using ¼"
PHONE to ¼" PHONE Cable.
3)
Connect DUT Channel B OUT to one Alesis M1 Active speaker using ¼"
PHONE to ¼" PHONE Cable.
4)
Connect IEC power cabling for Alesis M1 Active speakers and turn the
speakers on. Adjust input trim knob to detent (center).
5)
DUT is ready for testing. Continue with Power Test.
Power Test
1)
Plug the P3 type Alesis Power Supply into a power source and the barrel jack
into the Rear Panel Power In jack.
Verify that the front panel LEDs show normal power up message, "DEQ"
on the left side and "230" on the right side.
Verify that the LEDs do not flicker and are of a consistent brightness.
Problems with this inspection indicates that the front panel sub-assembly
has been incorrectly connected to the rear panel sub-assembly. Open the
unit and inspect the cabling. If the cabling seems faulty or incorrectly
installed, correct the problem and repeat the Power Test. If the cabling
seems okay, then one of the sub-assemblies is damaged and that this
inspection has FAILED.
Failure of this test indicates that this DUT cannot continue testing.
2)
Unplug the power supply. Continue with Functionality Test if DUT has not failed.
Confidential
Alesis Service Manual
8-31-0103-A
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