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This video explains how to do PCB service from top to bottom..
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00:00 - Intro
01:16 - What is PCB?
03:35 - First thing to do..
04:13 - Testing fuse
05:17 - Series Bulb
06:30 - Bridge rectifier
07:33 - Transistor, Mosfet, IGBT
09:33 - How to test IC?
10:21 - Diode, Resistor
13:29 - End
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