The Internet's a wonderful resource. I had (still have till analogue gets switched off in 2010) a bedroom CRT TV that was little used, but in permanent standby)
In an attempt to save the planet, my wife switched it off at the mains and next time it was powered up it went "pop".
putting the obscure (unheard of) cheap far-east model name and number into the BBC search engine, I found a TV repair site which described the exact problem, and another search brought up a component supplier (we used to have RS shops everywhere, but they've all closed down now, not enough business), and 1 transistor and 2 resistors later, the circuit was up and running again. The first class stamp cost more than the components !
Needless to say, the TV is back in permanent standby.