Loewe classic 70 TV problems

[rik]

Loewe classic 70 TV startsup go in full bright and then switches of to standby.
When i disconnect the RGB signal from picture tube and switch TV on then sound OK and stays on

Rik

 

[mo]

Loewe classic 70 TV startsup go in full bright and then switches of to
standby.
When i disconnect the RGB signal from picture tube and switch TV on
then sound OK and stays on

Rik
--

I'm thinking the IC on neck board,if there is one,is stuffed.