ADCOM hfe adcom gfa-7605 service free download

File name hfe_adcom_gfa-7605_service.pdf

SERVICE MANUAL 5 CHANNEL POWER AMPLIFIER GFA-7605 TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . 1 Test Procedures . . . . . . . . . . . . . 1 Parts List . . . . . . . . . . . . . . . . . . 2 Voltage Conversion . . . . . . . . . . . . 5 Specifications . . . . . . . . . . . . . . . 7 PCB Layouts. . . . . . . . . . . . . . . . . . 8 Schematic . . . . . . . . . . . . . . . . . 9 8551 East Anderson Drive,Suite 105 Scottsdale, Arizona 85255 USA Tel: 480-607-2277 Fax: 480-348-9876 Web: http://www.adcom.com INTRODUCTION This service manual is intended to assist trained and qualified technical personnel in verifying the performance of, adjusting, and repairing the ADCOM GFA-7605 amplifier. The procedures described here are not intended for persons unfamiliar with the appropriate safety and test procedures. WARNING THERE ARE POTENTIALLY LETHAL VOLTAGES WITHIN THE GFA-7605 AMPLIFIER WHICH WILL BE ACCESSIBLE ONCE ITS TOP COVER IS REMOVED. DO NOT ATTEMPT FAMILIARIZATION, INSPECTION, OR ANY PROCEDURE WHATSOEVER UNLESS YOU HAVE DISCONNECTED THE GFA-7605 FROM THE WALL AC OUTLET OR OTHER SOURCE OF AC POWER AND THE POWER- SUPPLY CAPACITORS ARE COMPLETELY DISCHARGED. THESE INSTRUCTIONS ARE PROVIDED FOR USE ONLY BY COMPETENT TECHNICAL PERSONNEL. DO NOT UNDERTAKE ANY SERVICE PROCEDURES IN THE GFA-7605 UNLESS YOU ARE TECHNICALLY QUALIFIED TO DO SO. TEST PROCEDURES