[drh4683]

Just yesterday, I did a cataracts repair on a 1968 magnavox RECTANGULAR set. The PVA (poly vinal acetate) is the bonding material. This magnavox set had a serious case of "cataracts", and I took pictures of the repairs/procedures. Basically round and rectangular sets are the same thing as far as pva goes. Since this set was a magnavox, it had tube similar to the RCA, in which the pva was "dryed" out making the heat gun technique the primary choice.

In the first picture, you see the lens sitting in front of the crt, this is after I heated up the lens to the point of seeing air pockets, while lightly prying on the lens to "pop" it off. Notice that basically all of the pva is still on the face of the crt, and just a small amount is on the lens.