BOWA-electronic

BOWA ARC 350 Service Manual Ver 2.1.0 Jan 2019

Service Manual

115 Pages

Table of Contents  Table of Contents 1.  2.  3.  Using this Service Manual ...11 1.1.  Index of revisions ...11  1.2.  Validity...11  1.3.  Other applicable documents ...11  1.4.  Symbols and markings ...12 1.4.1.  Structure of warnings ...12  1.4.2.  Risk levels in warnings...12  1.4.3.  Information ...12  1.4.4.  Other symbols and markings ...13  Safety information for service technicians ...14 2.1.  Safety information ...14  2.2.  Warnings and safety instructions ...14 2.2.1.  General instructions ...14  2.2.2.  Special instructions ...15  2.2.3.  Working with the unit switched on ...15  2.2.4.  Working with the unit switched off ...16  Design and operating principle ...17 3.1.  3.2.  3.3.  Power board ...18 3.1.1.  Power rectifier ...20  3.1.2.  Power supply unit (PSU) ...21  3.1.4.  Generator ...22  3.1.5.  Control electronics ...24  Control board...25 3.2.1.  EASY sensor ...27  3.2.2.  Fingerswitch electronics ...27  3.2.3.  Arc sensor ...27  3.2.4.  Current and voltage sensors ...28  3.2.5.  Power board interface ...28  3.2.6.  µ-processor...29  3.2.7.  Low voltage supply ...30  3.2.8.  Footswitch interface ...30  Complete front panel unit...31 3.3.1.  8  DCU-Board (Display Control Unit)...33  ARC 350 Service Manual  BOWA-SM-11497-ARC351-V2.1.0-S2-EN-20190101
File Type: PDF
File Size: 6.59 MB
File Name: bowa350 12220 BOWA-SM-11497-ARC351-V2.1.0-S2-EN-20190101.pdf

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