M-Audio AIR 192/4 User Manual

Confidential M-Audio Service Manual
M-Audio
AIR 192|4
[MIUEc]
Service Manual
v1.1
2019-10-09
The information in this document contains privileged and confidential information. It is
intended only for the use of those authorized by M-Audio. If you are not the authorized,
intended recipient, you are hereby notified that any review, dissemination, distribution
or duplication of this document is strictly prohibited. If you are not authorized, please
contact M-Audio and destroy all copies of this document. You may contact M-Audio at
support@m-audio.com.
© Copyright M-Audio
ATTENTION!
This document contains sensitive proprietary information.
All recipients must have a current non-disclosure agreement
on file with M-Audio.
Do not make illegal copies of this document.

M-Audio AIR 192/4 Specifications

General

Audio input	2
Form factor	Desktop
Product color	Black
LED indicators	Power
Housing material	Metal
USB version	2.0
Device interface	USB
XLR combo inputs	1
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Windows operating systems supported	Windows 10, Windows 7, Windows 8
Built-in microphone preamp	No
Quick start guide	Yes
Audio A/D Converter (ADC)	24-bit/192kHz

Weight and Dimensions

Depth	152.4 mm
Width	204.2 mm
Height	70 mm
Weight	900 g

Summary

Preface

Read This!

Terms and conditions for purchasing the service manual and authorized use.

Warnings

Regarding the Power Supply Fuse

Cautionary notes on replacing power supply fuses to prevent fire or shock.

Regarding the Internal Battery

Cautionary notes on replacing internal batteries to prevent explosion.

Safety Instructions

Specifications

Mic Input 1

Technical specifications for the XLR microphone input, including frequency response and gain.

Line Input 1

Technical specifications for the 1/4" TRS line input, including frequency response and gain.

Inst Input 2

Technical specifications for the 1/4" TS instrument input, including frequency response and gain.

Headphone Output

Technical specifications for the headphone output, including THD+N and impedance.

General

General product specifications including dimensions and weight.

Disassembly Procedures

Disassemble the Bottom Panel and Back Panel

Step-by-step guide to remove bottom and back panels using specific fasteners.

Disassemble the Main PCB Ass'y

Step-by-step guide to remove the main PCB assembly using screws.

Disassemble the VR PCB Ass'y

Step-by-step guide to remove the VR PCB assembly, including knobs and washers.

Wiring Diagram

Packing Diagram

Explode Diagram

MIUECMA001 BOM

Test App

+48V Phantom Power Test

Procedure to test the +48V phantom power function using a multimeter.

Audio Test Procedures

Detailed steps for performing various audio tests on the device.

Audio Path