Uploaded February 2024 | Updated September 2026, 1 day ago
In this video:
A customer has given me three Sony Receivers to troubleshoot and to make recommendations for repair.
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
00:23 Overview
02:04 DH550 Fault Verification
03:41 Main Board Checks
06:02 HDMI Board TS'ing
09:37 LDO Regulator Check
14:46 DC-DC Board Checks
22:44 Voltage Injection HDMI Board
26:29 HDMI Circuit Diagram
30:03 Fault Proofing/Final Analysis
31:11 DH520/720 Fault Verification
32:47 DH520 Main Board Checks
33:53 DC-DC Board Checks
35:43 HDMI Board Analysis
36:34 HDMI Functional Test
38:10 DH520 Final Analysis
38:44 DH720 Main Board Checks
40:42 DC-DC Voltage Checks
41:45 HDMI Board Analysis
43:26 DH720 Functional Test
44:33 HDMI Ports Functional Tests
45:34 Ch Speaker Functional Tests
46:33 DH720 Final Analysis
47:18 HDMI Board Repairability Discussion
53:31 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 has given me three Sony Receivers to troubleshoot and to make recommendations for repair.
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
00:23 Overview
02:04 DH550 Fault Verification
03:41 Main Board Checks
06:02 HDMI Board TS'ing
09:37 LDO Regulator Check
14:46 DC-DC Board Checks
22:44 Voltage Injection HDMI Board
26:29 HDMI Circuit Diagram
30:03 Fault Proofing/Final Analysis
31:11 DH520/720 Fault Verification
32:47 DH520 Main Board Checks
33:53 DC-DC Board Checks
35:43 HDMI Board Analysis
36:34 HDMI Functional Test
38:10 DH520 Final Analysis
38:44 DH720 Main Board Checks
40:42 DC-DC Voltage Checks
41:45 HDMI Board Analysis
43:26 DH720 Functional Test
44:33 HDMI Ports Functional Tests
45:34 Ch Speaker Functional Tests
46:33 DH720 Final Analysis
47:18 HDMI Board Repairability Discussion
53:31 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
