sony crt tv model kv 2168mt . power on led .turns on late 1hour

[Nirushi]

power on led .turns on late 1hour

 

[americanaudiophile]

You can try unplugging the TV for 10 minutes and plugging it back in. Power supply may be at death's door. Given the extreme age of your TV cost of repair would be higher in price than replacement. Time for a new TV I think.