toshiba tv

[gibby]

can anyone tell me what could be wrong with my tv
it's a toshiba about 7 years old model 3377db nicam digital stereo dolby surround
problem black horizontal lines runing along the screen,
sometimes heavy sometimes light, and sometime perfect picture

thanks
gibby

[kilork]

Hi !
Have you checked electrolyt capacitors in Power Supply and
frame stage? Try.