Allen heath wz16 2 service manual

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allen heath wz16 2 service manual

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Page 1

16 MIC/LINE INPUT AUDIO MIXING CONSOLE

SERVICE
MANUAL

Page 2

INTRODUCTION

The information presented in this manual is intended for competent technical personnel to cany out service and product
support for the m'znrb 16:2. We assume that the reader is familiar with the related electronic theory and audio
terminology, and is able to carry out basic servicing. fault-finding and repair of audio equipment ofthis type. Service

personnel should also be familiar with audio systems, mains earthing and power requirements, as well as handling
precautions

For further information on the operation and application of the M2»; 16:2 please refer to the USER GUIDE
publication AP2917 supplied with each console,

Whilst we believe the information in this manual to be reliable we do not assume responsibility for inaccuracies, We also
reserve the right to make changes in the interest of further product development.

SERVICE AND TECHNICAL SUPPORT

Under normal conditions the 14/12,"; 16.2 does not require user maintenance or internal calibration. Any service work
required should be carried out by qualified technical personnel only

We are able to offer further product support through our worldwide distribution network. To help us provide the most
efficient service please would you quote the console serial number in any communication regarding this product.

SAFETY WARNING I

Mains electricity is dangerous and can kill. Mains voltage is presentwithin the unit. Do not remove
any covers with mains connected. Do not carry out any work within the unit while it is powered.
High voltage components are insulated for safety but should not be touched with power applied.
The mains voltage setting is indicated on the on the rear panel next to the mains socket. Check
that this matches your local mains supply. Check your mains wiring and earthing before switching
on.

DO NOT REMOVE THE MAINS EARTH CONNECTION!

The chassis is always connected to mains earth. Audio 0V connects to the chassis internally.
Should problems be encountered with ground loops operate the audio ground lift switcheson other
equipment connected to the unit or disconnect the cable screens at one end. Refer to the section
on 'EARTHING' in the User Guide.

CONTENTS

INTRODUCTION. SERVICE AND TECHNICAL SUPPORT,
TECHNICAL DESCRIPTION ................................................
SPECIFICATION & CONNECTIONS .................................................
DIMENSIONS FOR FLIGHTCASING. INSTALLING THE CONSOLE
REMOVING THE CONNECTOR CIRCUIT BOARD .............
REMOVING AN INPUT, LEFT or RIGHT CIRCUIT BOARD


INTERNAL LINK OPTIONS .................................................

ORDERING A CONSOLE, SPARE PARTS 8r ASSEMBLIES . 13-15
FRONT PANEL LAYOUT ..................................................... . 16
REAR PANEL LAYOUT 17
BLOCK DIAGRAM 18
MONO INPUT CIRCUIT BOARD COMPONENT IDENT ............................................................................. AG2894
MONO INPUT CIRCUIT DIAGRAM ................ 02894
LEFT CIRCUIT BOARD COMPONENT IDENT A62895
LEFT CIRCUIT BOARD CIRCUIT DIAGRAM sheet 1 C2895
LEFT CIRCUIT BOARD CIRCUIT DIAGRAM sheet 2 C2895
RIGHT CIRCUIT BOARD COMPONENT IDENT .......... AGZBQG

RIGHT CIRCUIT BOARD CIRCUIT DIAGRAM sheet 1

RIGHT CIRCUIT BOARD CIRCUIT DIAGRAM sheet 2
CONNECTOR CIRCUIT BOARD COMPONENT IDENT .........
CONNECTOR CIRCUIT BOARD CIRCUIT DIAGRAM sheet 1
CONNECTOR CIRCUIT BOARD CIRCUIT DIAGRAM sheet 2

C2896
C2896
AG2897
02897
02897

CONNECTOR CIRCUIT BOARD CIRCUIT DIAGRAM sheet 3 02897
CONNECTOR ClRCUlT BOARD CIRCUIT DIAGRAM sheet 4 ..................................................................... 02897
copyright© 1997 ALLEN 8. HEATH. All rights reserved Publication .................... AP2918 Issue 1

EN & HEATH 2 ZE-mSM