RGB mod your Sony KV-20S42 based Sony CRT.
About 5 min
RGB mod your Toshiba 27A35
About 4 min
RGB and component mod your Sony KV-20FV10 or any BA-4C chassis based Sony CRT.
About 1 min
Restoring a retro Sony FDT-FBX5, 5" CRT
About 2 min
RGB mod your Sharp 27SC260R, 27SC260 CRT.
About 1 min
RGB mod your Toshiba 27A34
About 2 min
The Sony KV-2185MT is from the early 1990s. It is composite only, and uses G3E chassis.
About 1 min
RGB calibration and my custom 240p test suite
About 3 min
RGB mod your Orion TV1326BW CRTs.
About 1 min
RGB mod your Apex AT2408S CRT.
About 2 min