ABB S4 - Power Unit Circuitry

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Power Unit Circuitry
Electrical
Troubleshooting Guide
IRB6400 M94A
Table of ContentsTable of Contents
7. Power Unit............................................................7-3
7.1 Overview .......................................................... 7-3
7.2 KM1 .................................................................. 7-4
7.3 KM2 .................................................................. 7-5
7.4 KM3 .................................................................. 7-6
Diagram 7-1 Rectifier Board .......................................... 7-7
7.5 KM4 .................................................................. 7-8
7.6 Component Cross Reference ........................... 7-9
7.7 List of Circuit Diagrams ................................... 7-11
7.8 Component Location Figures .......................... 7-17
Figure 7-1 Power Unit ..................................................7-17
Figure 7-2 XS3/XT3 and Connectors AP41 & AP9........7-19
Figure 7-3 K1CR & K2CR on System Board.................7-21
Power Unit Circuitry
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