open the lid at the front of the box nearest the front glass are 4 or so 10mm screws remove these , lay juke on its back remove screws holding the base on usually 6 philips head wood screws , with the base off there are about 8 more 10mm headed screws that hold the front grill on remove these and the front will pull away , if your jbox was in a pub enviroment you might find the speaker cones are rotted, there are kits to recone them or find the nearest sized equivalent.not a 5 minute job this ,done it many times nsm were always why use 1 screw when you can use 10.
EddieK, October 2020