I need a schematic for zenith model no. SY2751Y

:I need a schematic for zenith model no. SY2751Y

That schematic is in Sams Photofacts #3753. You can order it online at

www.samswebsite.com/photofact/pf_search.asp

Enter the model number (no brand name, slashes, dashes or spaces) into the search box, click "search" and it will take you to a page where you can order it. The price is $20 plus shipping, handling and tax.

Or, if you prefer, there are some local electronic supply stores that can order it for you.