ALLEN amp HEATH WARNING HIGH VOLTAGES Power Supply Unit PSU work should only be carried out by qualified personnel We recommend that you use an approved Allen amp Heath service centre for all power supply work Please contact your local Allen amp Heath distributor for more details http www allen heath com ALLEN amp HEATH GL4000 Dual Function Audio Mixing Console SERVICE MANUAL PUBLICATION AP2640 INTRODUCTION The information presente
ALLEN amp HEATH GL4000 Dual Function Audio Mixing Console SERVICE MANUAL PUBLICATION AP2640 INTRODUCTION The information presented in this manual is intended for competent technical personnel to carry out service and product support for the GL4000 It is assumed that the reader is familiar with the related electronic theory and audio terminology andis able to carry out basic servicing fault finding and repair of audio equipment of this type Service personnel shou