I found this information and it seems to work an all sizes of CRT RPTV for Panasonic. The most useful is the COARSE and FINE convergence adjusments which let you adjust geometry andd posistion for green, then get the full 165 points including geometry for red and blue. There is also a useful bit of information on how to adjust focus on each color.
To access the service mode:
Make sure you are on Antenna A and set the mode to CABLE
Select TIMER in set-up and set SLEEP time for 30 Min.
Press Action or the UP Arrow to exit menus.
Turn to Channel 124
Turn VOLUME to minimum (0) with remote.
Press VOL ◄ (decrease) on TV. Red "CHK" appears in upper corner.
To exit the service mode
Press Action and Power on the TV simultaneously for at least 2 seconds.
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