Remnants of the Capacitor Plague
1,236Do you have an old motherboard where capacitors are leaking, leaving a crystalized residue at the top of aluminum housing? Or are they bulging on the top? Then you may have a motherboard with capacitors suffering from measures of cost-cutting, industrial espionage, and incorrectly formulated electrolyte...
Sponsored by PCBWay: https://pcbway.com/g/lF253I
PCBWay provides full feature custom PCB prototyping services, 3D printing, and much more. Check them out using my referral link above and get a 5 USD welcome bonus when you sign up as a new customer!
My contribution to the Community Project Space at PCBWay:
https://www.pcbway.com/project/member/?bmbno=0140E301-54A5-47
*AliExpress: 6W 6500K Industry Microscope LED Gooseneck Light*
https://s.click.aliexpress.com/e/_DEcT5dz
*AliExpress: Mechanic Solder Mask*
https://s.click.aliexpress.com/e/_Ddyj7W7
(this is the exact item I am using)
*Amazon US: Solder Mask*
US 6pcs: https://amzn.to/43K8KOy
US 4pcs + UV light: https://amzn.to/470ISRw
DE 6pcs: https://amzn.to/3Dr49WU / https://amzn.to/43Av6lC / https://amzn.to/44XIbGB
DE Green + UV light: https://amzn.to/3O9Xaqa
UK: 6pcs: https://amzn.to/44GEm92
UK: Green + UV light: https://amzn.to/452Hc8n
You can support me on Patreon:
https://www.patreon.com/BitsUndBolts
Schematics of test circuit is on my Patreon:
https://www.patreon.com/posts/capacitor-plague-90038755
00:00 Intro
00:17 Capacitor plague
01:16 ASUS P4B
02:01 PCBWay.com
02:37 Scratch
03:21 Remove capacitors
04:27 Component tester
07:21 Multimeter tests
08:06 My assumption
08:52 More investigation
12:08 What could have happened
12:35 Conclusion