Sony KV-27V42 27" TV "became black white" Questions

...on for a while before the picture became color. Now it is black & white only curtis mathis model CT2550, Service # CMJ25655 serial # 191-26340914 built Aug 1991 CHECK FOR AND REDO LOOSE SOLDER ...

became the cause-celebre between us and our RV dealer Service Manager. Was the DVD player hooked up correctly?If only black and white then check the video output in backIt maybe on the Y. Pb. Pr check

...black and white video, but no color. It used to work just fine, so I am not just wiring it wrong. ( I have tried three different DVD players and my powerbook in each of video 1 and 2 and SVideo, and ...

...became worse, as the TV started to turn itself off, and it took more and more tries to get the picture to come in. Now there is no picture at all, the screen is completely black, but the green power ...

became somehow dislodged on yours, unknowingly as mine did because of the similar symptoms no picture, no sound and repeated attempts to fire. I was extremely careful it still was not enough. It fixed