Alesis 4 Manuale di Servizio

Alesis MidiVerb IV Service Manual‘ i 03/05/99AlesisMIDIVERB IV STEREO EFFECTS PROCESSORService Manual V 1.006/13/95

Alesis MidiVerb IV Service Manual‘ 4 03/05/99PIn #(s) Function9MICROALE > MICROprocessor Address Latch Enable - Used toenable the low order addres

Alesis MidiVerb IV Service Manual‘ 5 03/05/996.00 The Front PanelCare should be taken any time that the front panel must be disassembled. Somecomponen

Alesis MidiVerb IV Service Manual‘ 6 03/05/99Diagram 1Diagram 2

Alesis MidiVerb IV Service Manual‘ 7 03/05/997.00 Test ProceduresIf possible, user data should be saved (an Alesis DataDisk is recommended for this ta

Alesis MidiVerb IV Service Manual‘ 8 03/05/998.00 TroubleshootingThis chart is presented in the interest of helping technicians new to our product lin

Alesis MidiVerb IV Service Manual‘ 9 03/05/999.00 Schematics

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Alesis MidiVerb IV Service Manual‘ 13 03/05/9910.00 Software HistoryV1.02, 02/17/95, Checksum $1B39NOTE: If you are upgrading from V1.00, V1.02 will

Alesis MidiVerb IV Service Manual‘ ii 03/05/99PREFACEThis document is intended to assist the service technician in the operation, maintenance and repa

Alesis MidiVerb IV Service Manual‘ 14 03/05/99- Renamed User 106 from "Model147" to "Model122".- Now to finish the Switch/Encoder

Alesis MidiVerb IV Service Manual 15 03/05/9911.00 MIDI ImplementationSystem Exclusive FormatSoftware Version 1.02February 17, 1995OVERVIEWAll MidiVer

Alesis MidiVerb IV Service Manual 16 03/05/99The System Info data is as follows:Input Volume Stereo 0-100Input Volume Ch 1 0-100Input Volume Ch 2 0-10

Alesis MidiVerb IV Service Manual 17 03/05/99PROGRAM TABLE DATAThe Program Change Table data consists of 256 transmitted bytes. This results in 128 a

Alesis MidiVerb IV Service Manual 18 03/05/9912.00 Service Parts ListGroup Partno Description QNTY PCB Ref.Designator CommentASY M4 PROCESSOR MIDIVERB

Alesis MidiVerb IV Service Manual 19 03/05/99Service Parts List (continued)MTL 9-03-1036 LUG SOLDER PCB MNT 5 MAINPLS 9-15-0087 KNOB DATA M4 1PLS 9-15

Alesis MidiVerb IV Service Manual 2013.00 Service Manual History6/13/95 V1.00 1st Release.

Alesis MidiVerb IV Service Manual‘ 21 03/05/99INDEX++12V, 1+5V, 1, 3, 8, 18--12V, 1112MHz, 2, 422N4401, 333.072MHz, 277805, 1, 187812, 1, 187912, 1, 1

Alesis MidiVerb IV Service Manual‘ 22 03/05/99R8, 3RAM TEST, 7raw +5V, 1raw supply, 3Read Serial Data, 3reset, 1, 3, 7, 13ROM-CHECKSUM, 7RXD, 3SS1, 1s

Alesis MidiVerb IV Service Manual‘ 23 03/05/99NOTES

Alesis MidiVerb IV Service Manual‘ iii 03/05/99WARNINGSTO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THISPRODUCT TO WATER OR MOISTURE.CA

Alesis MidiVerb IV Service Manual‘ iv 03/05/99SAFETY SUGGESTIONSCarefully read the applicable items of the operating instructions and these safety sug

Alesis MidiVerb IV Service Manual‘ v 03/05/99General TroubleshootingWhile this manual assumes that the reader has a fundamental understanding of elect

Alesis MidiVerb IV Service Manual‘ vi 03/05/99Table Of ContentsPREFACE...

Alesis MidiVerb IV Service Manual‘ 1 03/05/991.00 General DescriptionThe MidiVerb IV is a continuation of the Alesis line of quality studio signal pro

Alesis MidiVerb IV Service Manual‘ 2 03/05/993.20 OutputThe differential outputs of the DAC (U12) are converted to a single ended mode via U7Band U7A

Alesis MidiVerb IV Service Manual‘ 3 03/05/995.00 Digital Signal PathsThe 80C31 MPU (U14) controls all "user interface" functions of the M4.