When did CRT technology advance to no convergence required?

[John Marinello]

Actually, the newer sets had built-in pattern generators, and were converged via the remote control. The user would enter a set-up code, then you were able to move a cursor through the crosshatch on the screen with the remote. You were then able to tweak each color in a relatively small area.

[zeno]

Thats a poser. First in lines still had electronic adjustments
& would often need touching up but there were less adjustments.
I would say from abt 1980 on convergence & purity adjustments became
fairly permanent. Changing the jug or yoke was pretty much
the only time it was an issue. Many sets both US & Jap used
the RCA bonded (glued on) yoke CRT's. They also had a tape like magnet
for conv & purity so everything was factory set. Personally I
always liked the delta guns for set-up, after you do a few its
fast work to do it. The whole process made sense but I never
got the hang of in-lines, just messed with them & they would
suddenly fall into place.

73 Zeno

[Jon A.]

Originally Posted by John Marinello

Actually, the newer sets had built-in pattern generators, and were converged via the remote control. The user would enter a set-up code, then you were able to move a cursor through the crosshatch on the screen with the remote. You were then able to tweak each color in a relatively small area.

Interesting. Do these built-in generators produce anything other than the crosshatch pattern?

[zeno]

Originally Posted by KV-1926R

Interesting. Do these built-in generators produce anything other than the crosshatch pattern?

The only CRT sets I remember were Heathkits with it
built in. Its by no means a customer ajustment. Hard enuf to
explain the other controls to some. Many projo sets had
a crosshatch or just a + for the customer to use or an
automatic set-up like Hitachi.

73 Zeno

[John Marinello]

TV Service Codes:

http://www.repairfaq.org/samnew/tvfaq/tvadjlost.htm