Alesis E-DRUM TOTAL, Service Manual

Page: 26 / 35

Diagnosis
22
1.
Test Conditions

Power input: DC 9.
0±
0.5V

Equipment: an oscilloscope, headphones/speakers, USB-MIDI cable, audio cable.
 Volume: Adjust the volume knobs to maximum
.
2. Self-test
Cosmetic Check
1. Check if there is scarring on the panel (including buttons, knobs and the display).
2. Check if there is any improper silk printing (such as fading, color difference etc.).
3. Check if the buttons, knobs, LED and jacks are installed correctly (not tilt or loose, no unreasonable
gaps, all buttons are fixed at the same height level).
Self-test Items

Version

Audio

FUNCKEY

LED

PAD

SN

AUTO

ERP
Preparations
1. Use a USB-MIDI cable to connect the instrument to computer.
2.
Connect the L/R channels to an oscilloscope.
3. Connect a pair of headphones/speakers to the PHONES jack.
4.
Pres s [PATTERN] and [TEMPO] buttons at the same time to enter Test mode .
1. Version
When it enters Test mode, the display will show the software version.