RGB and component mod your Sony KV-20S90 or any BA-4D chassis based Sony CRT.
About 3 min
RGB mod your Sony KV-20S42 based Sony CRT.
About 5 min
RGB and component mod your Sony KV-27S42 or any BA-4D chassis based Sony CRT.
About 4 min
RGB and YPbPr component mod your Sony KV-27S42 based Sony CRT.
About 3 min