Let's fix this 𝗗𝗘𝗔𝗗 ATX power supply!

On the bench a dead - and old - ATX power supply I've decided to fix. Is it worth my time?
Thanks PCBWay for sponsoring this video: https://pcbway.com/g/M525r4

𝗙𝗼𝗹𝗹𝗼𝘄 𝗺𝗲 𝗼𝗻 𝗫: https://twitter.com/tony359
𝐁𝐮𝐲 𝐦𝐞 𝐚 𝐜𝐨𝐟𝐟𝐞𝐞 𝐡𝐞𝐫𝐞: https://www.buymeacoffee.com/tony359
𝗝𝗼𝗶𝗻 𝗺𝗲 𝗼𝗻 𝗣𝗮𝘁𝗿𝗲𝗼𝗻: https://patreon.com/Tony3599

@necro_ware and @philscomputerlab Voltage Blaster
https://github.com/necroware/voltage-blaster

@bitsundbolts PCBWay store:
https://www.pcbway.com/project/member/?bmbno=0140E301-54A5-47

𝐓𝐡𝐞 𝐯𝐢𝐝𝐞𝐨 𝐰𝐡𝐞𝐫𝐞 𝐭𝐡𝐢𝐬 𝐏𝐒𝐔 𝐜𝐨𝐦𝐞𝐬 𝐟𝐫𝐨𝐦
https://youtu.be/OsvQzvklDVs

Dummy load (no affiliation with the seller)
https://www.aliexpress.com/item/4000479624068.html

00:00 intro
01:52 Overview
04:00 Diagnostic
05:45 Oscilloscope testing
08:05 Actual troubleshooting
06:45 Testing the outcome
18:19 Components replacement
19:47 Testing again
21:30 Fixing the fan
23:53 Load test
25:10 Outro

Тэги:

#TL494 #switching_power_supply #oscilloscope #electronics_repair #pcb #thermal_camera #microscope

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