Sony monitor image small at high resolutions

[CJT]

I've got a Sony 17SFII monitor here that displays fine at low
resolutions, but as resolution increases its image gets smaller
and smaller. For instance, at 800*600 it fills the screen, but
at 1024*768 it's down to about quarter screen with the size
controls set on max (and it can't be centered, either, at high
res).

Thanks for your help.

 

[John Gill]

I had the same problem with a couple of Dell/Sony GDM17SE2T monitors.
I finally replaced a small transformer near the flyback and that fixed
the problem. The transformer was in position T403 and was marked 998-11.
I used one from an old junked 15SF1 chassis. I have heard that some of
these small transformers develop small cracks in the core that surrounds
the windings and causes these problems.
Hope this helps....
John

 

[CJT]

John Gill wrote:

I had the same problem with a couple of Dell/Sony GDM17SE2T monitors.
I finally replaced a small transformer near the flyback and that fixed
the problem. The transformer was in position T403 and was marked 998-11.
I used one from an old junked 15SF1 chassis. I have heard that some of
these small transformers develop small cracks in the core that surrounds
the windings and causes these problems.
Hope this helps....
John

I'll check it out. Thanks very much.