Best place to source obsolete parts?


I'm working on repairing a tuner that uses a LM1865N and a LM4500AN. I suspect either or both might be bad. I can't find anyone who sells these. Anyone have any leads on good obsolete parts places? Thanks.
mskeen
A good way is to Google the part number and maybe a couple key words if you get too many unrelated hits.

A lot of people post their available parts lists, which Google usually finds.
I tried Google and I found a few places that only deal in large quantities. I did find a place over in Japan but the website is a real chore even using Googles translator.
Did you ask them if they would sell just a few ???
I find the answer is many times yes..