Circuit diagrams are in PDF, so cannot uploaded by this window.If you wish to get more details, check the site linked here
http://electronicshelponline.blogspot.com/
Selecting the view option, either to
Mosaic
/ Time slide, can be selected by the
drop-down list, at the top left
of the display window, will make surf easy. You can also do a search, by type in the brand name/model
number/IC used, in the search box at the top right of the display window.