Used Dell Optiplex 3020-PC shope.ee/4fZ9h... Or buy whatever you want. Through this link
EP. This time, I brought you to inspect and repair the Dell power supply. The symptoms are vague. Is the IC Drive broken? Don't miss this EP.
Content within the clip
00:00 Learn work steps Basic Dell Power Supplies
03:50 Learn the basics of IC TFS761HG that uses transformer switches.
05:20 Separating symptoms of damage By order of electrical system in power supply
07:59 Principles and working conditions of ICTFS761HG, TFS761
08:40 Learn the system for turning on the Dell power supply, things to know, and prohibitions.
10:35 Test turn on and learn the symptoms of power supply failure. Turn on for a while, cut off, turn off.
13:00 Learn the conditions of IC ICTFS761HG, TFS761 that make the cut-off system work.
21:49 Learn fan control circuit to control temperature in Dell power supply
24:30 Learn PNP, NPN transistors for use in fan control circuits.
33:50 Troubleshooting: PNP transistors conduct little current.
41:00 Introducing learning methods How to find additional learning resources
Apply for membership of this channel to access various privileges Watch the video before anyone else + diagram Necessary + download Arduino code. Channel members can express their opinions - make special inquiries. You can ask questions such as: Where to buy equipment Where to buy parts Ask for basic information Repair techniques (Member * Golden Star, consult on power supply repair work All formats available)
/ @corecomcenter