IMHO This is one of the best repair videos I ever made. Watch this through and you will learn a lot about electronics repair. Skip parts and you will most likely still enjoy it but you will definitely miss out on a lot of useful stuff
A customer brought me an Apple Computer and tells me to switch everything else off before plugging it in as it trips the power off. But I need power to record the video so I’ll have to fix this another way.
00:01:22 Initial Tests
00:11:41 Tracing The Short
00:14:50 Testing Bridge Rectifiers
00:18:14 Tracing The Short Part 2
00:24:54 Analyzing The Problem
00:29:24 A Very Tricky Desoldering Job
00:50:40 Testing The Output Devices
00:53:36 Tracing The Short Part 3
00:54:49 Understanding The 2 MOSFET Switching Circuit
01:01:46 Indentifying Your SMPS Topology
01:07:04 Preparing The PCB (Cleaning Through Holes)
01:10:38 Tracing The Short Part 4
01:17:19 Parts Required
Mentioned in this video – 800W ATX PSU Blows Fuse
All the following links are affiliated where possible.
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DCA55 Component Analyzer
T12 M8 9501 HANDLE
SS-331H REPLACEMENT GUN
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