Turn the set on with front switch while holding down two of the front panel buttons, release them after a couple of seconds. Screen should display TT.
Not 100% sure this applies to your model, but it works with my KV-X2572
on remote>Menu>Demo. This allows you to access the various settings, but remember the golden rule Change Nothing without noting the original setting.
To leave service menu key 00.
Hope this helps, what is it you're trying to adjust?
I have some bad news and some worse news.
I replaced the set last week, and I havent a copy of the settings.
I'm not sure my settings would have helped though, because they are very different depending on what CRT the set has.
I have a copy of the service manual and the only settings it quotes are
HV COMP.V 12
HV COMP.H 8
H SHIFT 26
Once all the settings are changed its a bit like setting up after changing the CRT very tricky.
One of the service manual pages has pictures of what each adjustment does. I havnt got a working scanner at the moment but if you have a fax I'll get a copy to you. Or post you a copy if you want, let me know.