Again thank you for your help with the JVC JL-A15 turntable with a frozen spindle bearing. I removed the spindle bearing assembly through the top by removing the three Phillips head retaining screws, removed the nylon gear from the spindle, then removed the spindle retaining screw from the bearing housing.
Following your suggestion I used heat to free things up, the old grease had solidified around the spindle and only the very sticky soap base of the original grease remained. It took quite some effort with 2 multi-grip pliers to work the spindle free, I cleaned up the old grease residue with nail polish remover, applied a new lithium base lubricant and hey presto! it's all re-assembled now and working beautifully. Keep up your good work, it really is appreciated by all. best wishes, John.