If the lamps under the plastics are out those are GI general Illumination. The lamps under number inserts are CPU controlled. Looks like those are on and if dancing in attract mode is a good sign.
Do you know what system board you have 3-6? Yellow flipper roms or Green? As setting in adjustment handbook changed depending on the color.
Post a picture or two of the boards.
Check all fuses for proper value and continuity with a digital multimeter.