1973 Hitachi IU-54 schematics
 

Hello, I came across my parents old 9" AC/DC black and white Hitachi IU-54. Would anyone have schematics for it ? I see that it is supposed to be in Sams 1212-3 The once bright white cabinet has turned yellow. I'll try some Novus #2 on it. It is still in good shape, as it was never abused. I remember that even when new it seemed to have a problem with the contrast control. It would never stay where you set it. It always went lighter or darker. Maybe it was just a bad pot. I plan on doing a re-cap and a good cleaning. Thanks to all
Tony