5.2.56 Left cover ..............................................................................................................................5-69
5.2.57 PU1 .......................................................................................................................................5-69
5.2.59 Main switch ...........................................................................................................................5-70
5.2.60 Master board (PWB-A)..........................................................................................................5-71
5.2.66 Power supply board (PU1) ....................................................................................................5-76
5.2.67 High voltage unit (HV1) .........................................................................................................5-78
5.2.68 PH unit ..................................................................................................................................5-79
5-19