Hisense MSD6886 motherboard schematic — looking for the manual

[Leo Vaughn]

I'm repairing an old Hisense MSD6886 TV, and I need to figure out the layout of the components on the motherboard. The board is quite complex, and without a schematic, it's easy to mix things up. I tried to find a service manual on the official website, but it only has general instructions. I also checked electronics repair forums, but most of the links are outdated.

[Leo Vaughn]

I'm particularly interested in the power connections and video ports. Has anyone else encountered this and saved the manual or a circuit diagram? Where can I actually find a PDF with such a diagram? How do you usually look for circuit diagrams for old TVs? Are there any reliable sources where such manuals are posted?

[Nolan Pierce]

Have you tried searching through the archives of specialized repair services for Chinese electronics? About a year ago, I was fixing an old Sharp TV. I found a schematic on some half-abandoned forum where a guy from Lithuania had posted a whole folder of manuals for Hisense models from 2012–2015. By the way, I came across something similar to your model here: user manual for Hisense MSD6886 TV schematic . Though, it's not certain that this is exactly your board revision. I know that Hisense used to change every batch back then. I also noticed that sometimes the schematics aren't in PDF but in DJVU format. But on the plus side, you often find factory versions with engineer's notes there.