BOWENS - Service Manuals
2 manuals available for download

BOWENS - Bowens Monolite 400BCX Service Manual
Comprehensive service manual for BOWENS Monolite 400B and Bcgen Photo 400B professional studio flash units. This technical documentation provides detailed procedures for maintenance, repair, and configuration of these high-performance photographic lighting systems. The manual presents general specifications covering the E.S. 275W modeling lamp, 117V 60Hz AC power supply, maximum power output of 250W/s, and 5600°K flash temperature. Extensive disassembly instructions are provided in sequential steps: unit discharge, wrap removal, sub-assembly removal, and component panel extraction. Electrical setup parameters are detailed for main input voltage, high-voltage output levels, flash intervals, and ready neon indicator settings. Comprehensive troubleshooting flowcharts guide technicians through diagnosis of common faults including incorrect flash ratio, lamp flicker, and absence of modeling lamp function. A detailed electrical schematic and complete parts list identify all components including resistors, capacitors, triacs, and trigger coils. Additional sections address capacitor electrolyte leakage considerations and subsequent engineering modifications implemented over the product lifecycle. This manual serves as an essential reference for technicians and maintenance professionals responsible for servicing and repairing these professional studio lighting fixtures. Table of Contents: - Schematic - P.C.B. Layout - Parts List - Fault Charts - Circuit Description

BOWENS - Bowens Prolite Service Manual
Comprehensive technical service manual for the Bowens International Prolite range, covering models 41A, 41, 60, 82, 100 and 120. This document presents the complete electrical and mechanical architecture of these professional flash generators. The manual provides detailed specifications for each model and thorough circuit descriptions including low voltage supply, charge circuits, regulation, glow-stop prevention and trigger/sync functions. PCB layout diagrams are included for both 117V and 240V versions. A significant section addresses flash output and modelling light adjustment and setup procedures. Exhaustive component lists identify all electronic components (resistors, capacitors, diodes, integrated circuits, transistors, inductors) with their codes and board locations. General wiring diagrams and circuit schematics support diagnostic work. For Prolite 60 to 120 models, additional PCB layouts (PCB2 through PCB5) are provided with alternative parts lists. The manual features structured troubleshooting flowcharts to guide repair procedures, alongside a detailed mechanical parts list covering chassis and reflector assemblies. A modifications appendix documents design changes across different versions. Table of Contents: - Section 1. - Prolite 41A. - Section 2. - Prolite 41. - Section 3. - Prolite 60-82-100-120. - Section 4. - Modification Appendix. Mechanical Details.