Alesis D4 Service Manual

Alesis D4/D5 Drum Modules Service Manual ii 02/19/03
PREFACE
This document is intended to assist the service technician in the operation, maintenance and repair of the
D4/DM5 Drum Modules. Together with the D4 and DM5 Reference Manuals, this document provides a
complete description of the functionality and serviceability of the D4 and DM5. Any comments or
suggestions you may have pertaining to the document are welcome and encouraged.
WARNINGS
TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS
PRODUCT TO WATER OR MOISTURE.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The arrowhead symbol on a lightning flash inside a triangle is intended to alert the user to
the presence of un-insulated "dangerous voltage" within the enclosed product which may be
of sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point inside a triangle is intended to alert the user to the presence of
important operating, maintenance and servicing instructions in the literature which
accompanies the product.
REPAIR BY ANY PERSON OR ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE
CENTER WILL VOID THE ALESIS WARRANTY.
PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO COMPETE
WITH ANY ALESIS DISTRIBUTOR OR AUTHORIZED REPAIR SERVICE CENTER IN THE
PROVISION OF REPAIR SERVICES OR TO BE OR MAKE REPAIRS AS AN AUTHORIZED
SERVICE CENTER.
ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED ALESIS SERVICE
CENTER SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY, AND ALESIS
SHALL HAVE NO LIABILITY TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY
REPAIRS BY THAT ENTITY.

Alesis D4 Specifications

General

Type	Drum Sound Module
Polyphony	16 voices
Trigger Inputs	12
MIDI	In, Out, Thru
Outputs	Headphone
Dimensions	19"
Effects	Reverb
Inputs	Trigger inputs
Display	LED
Power Supply	9V AC
Sounds	500