Uploaded August 2023 | Updated September 2026, 20 hours ago
In this video:
A customer requested that I inspect his home theater system subwoofer to see why it no longer powers up.
As always feel free to comment and open discussion on the content in this video in the comment section. Thank you for watching!
---Break---
Business:
In need of repair, restoration, or data recovery please visit
sites.google.com/view/havingfunrepairs/business-repairs
---Break---
If you would like to support my channel consider the following:
Patreon: (Support with Exclusive Content)
patreon.com/HavingFunRepairs
Paypal Donation: (Direct Support)
paypal.me/havingfunrepairs
---Break---
Chapters
00:00 Intro
00:30 Subwoofer Overview & Initial Checks
03:25 Woofer Only Audio Test
06:21 PSU/Amp Visual Inspection & Checks
12:29 Parts Research
18:06 Rectifier Replacement & More Component Testing
27:35 PSU Voltage Tests
29:09 MISTAKE!!!!
30:00 Low Voltage Rail Checks & Audio Test
31:41 +9vDC Rail Component Tests & Repair
39:19 Final Subwoofer Tests
40:45 Recap
42:38 Outro
---Break---
Video editing and music via Cyberlink PowerDirector365 at link below:
cyberlink.com/products/powerdirector-video-editing-software/overview_en_US.html
---Break---
Enjoy this video? Check out my Google site page for more! Including basic electronics guides.
sites.google.com/view/havingfunrepairs/home
---Break---
More Playlists?
Vehicle Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvFKnJ6Wjsy32dzu6qLrWZ_K
Consumer Electronic Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvHQjfGphg9t_8QlL9FmIMit
Game Console Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvEW1dIzfpQdeCNduAqUg-P4
Odd Electronic Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvHe_xMQuUdzgG-B1FL5YFGP
Toy Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvGArIU6iFOTqbdnK9l5wXQ3
Cell Phone Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvEBGfKXDPDt0kkCslix_RHk
Kids STEM Projects:
youtube.com/playlist?list=PLJiUNvL4lwvE97hyQsOXFNrL8XgfGI6rM
---Break---
As always be excellent to each other!
#electronics #repair #STEM
In this video:
A customer requested that I inspect his home theater system subwoofer to see why it no longer powers up.
As always feel free to comment and open discussion on the content in this video in the comment section. Thank you for watching!
---Break---
Business:
In need of repair, restoration, or data recovery please visit
sites.google.com/view/havingfunrepairs/business-repairs
---Break---
If you would like to support my channel consider the following:
Patreon: (Support with Exclusive Content)
patreon.com/HavingFunRepairs
Paypal Donation: (Direct Support)
paypal.me/havingfunrepairs
---Break---
Chapters
00:00 Intro
00:30 Subwoofer Overview & Initial Checks
03:25 Woofer Only Audio Test
06:21 PSU/Amp Visual Inspection & Checks
12:29 Parts Research
18:06 Rectifier Replacement & More Component Testing
27:35 PSU Voltage Tests
29:09 MISTAKE!!!!
30:00 Low Voltage Rail Checks & Audio Test
31:41 +9vDC Rail Component Tests & Repair
39:19 Final Subwoofer Tests
40:45 Recap
42:38 Outro
---Break---
Video editing and music via Cyberlink PowerDirector365 at link below:
cyberlink.com/products/powerdirector-video-editing-software/overview_en_US.html
---Break---
Enjoy this video? Check out my Google site page for more! Including basic electronics guides.
sites.google.com/view/havingfunrepairs/home
---Break---
More Playlists?
Vehicle Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvFKnJ6Wjsy32dzu6qLrWZ_K
Consumer Electronic Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvHQjfGphg9t_8QlL9FmIMit
Game Console Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvEW1dIzfpQdeCNduAqUg-P4
Odd Electronic Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvHe_xMQuUdzgG-B1FL5YFGP
Toy Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvGArIU6iFOTqbdnK9l5wXQ3
Cell Phone Repairs:
youtube.com/playlist?list=PLJiUNvL4lwvEBGfKXDPDt0kkCslix_RHk
Kids STEM Projects:
youtube.com/playlist?list=PLJiUNvL4lwvE97hyQsOXFNrL8XgfGI6rM
---Break---
As always be excellent to each other!
#electronics #repair #STEM
