You can download a PDF of the 503B at http://tinyurl.com/6zepaj.
No schematic, but it's better than nothing.

--
Dave M
MasonDG44 at comcast dot net (Just substitute the appropriate characters in the
address)

Experience: What you get when you don't get what you want

"max" wrote in message
...
Hi,
what are the big difference between Tek AM503A and AM503B?


I've found the service manual for AM503A but not for AM503B.
My AM503B has this error code : 361 what can it be?

Somebody has the service manual for AM503B?

Thanks in advance for any help