Have you got the URL of any websites that offer such an alignment tool? Preferably done using PC software and the XA1541 cable.
The software tools don't replace manual adjustments - all most of them do is to try to give you some indicator whether you're getting closer or not but you can achieve that simply by attempting to load files and look for / listen for signs the drive is attempting to re-read the same track more or less often as well. Read errors has a pretty characteristic sound on the 1541.