CONTENTSSAFETY PRECAUTIONS ........................................... 4GENERAL GUIDE LINES...................................... 4TOUCH – CURRENT CHECK............................... 4PREVENTION OF ELECTROSTATIC DISCHARGE(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)DEVICES .................................................................... 5ABOUT LEAD FREE SOLDER (PBF)......................... 6SUGGESTED PB FREE SOLDER........................ 6APPLICABLE SIGNALS.............................................. 7SERVICE HINTS ........................................................ 8CHASSIS BOARD LAYOUT ....................................... 9SETTING INSPECTION.............................................. 9SELF-CHECK ........................................................... 10POWER LED BLINKING TIMING CHART ................ 11SERVICE MODE FUNCTION ................................... 12SERVICE 1 ............................................................... 13SERVICE 2 ............................................................... 14OPTION DESCRIPTION........................................... 15ADJUSTMENT METHOD ......................................... 17WIRING DIAGRAM ................................................... 18BLOCK DIAGRAMS.................................................. 19PARTS LOCATION................................................... 22REPLACEMENT PARTS LIST.................................. 24SCHEMATIC DIAGRAMS......................................... 53AP-BOARD (1 OF 3) SCHEMATIC DIAGRAM.... 54AP-BOARD (2 OF 3) SCHEMATIC DIAGRAM.... 55AP-BOARD (3 OF 3) SCHEMATIC DIAGRAM.... 56DG-BOARD (1 OF 9) SCHEMATIC DIAGRAM ... 57DG-BOARD (2 OF 9) SCHEMATIC DIAGRAM ... 58DG-BOARD (3 OF 9) SCHEMATIC DIAGRAM ... 59DG-BOARD (4 OF 9) SCHEMATIC DIAGRAM ... 60DG-BOARD (5 OF 9) SCHEMATIC DIAGRAM ... 61DG-BOARD (6 OF 9) SCHEMATIC DIAGRAM ... 62DG-BOARD (7 OF 9) SCHEMATIC DIAGRAM ... 63DG-BOARD (8 OF 9) SCHEMATIC DIAGRAM ... 64DG-BOARD (9 OF 9) SCHEMATIC DIAGRAM ... 65G-BOARD SCHEMATIC DIAGRAM .................... 66GS-BOARD SCHEMATIC DIAGRAM.................. 67H-BOARD (1 OF 4) SCHEMATIC DIAGRAM ...... 68H-BOARD (2 OF 4) SCHEMATIC DIAGRAM ...... 69H-BOARD (3 OF 4) SCHEMATIC DIAGRAM ...... 70H-BOARD (4 OF 4) SCHEMATIC DIAGRAM ...... 71K ,V-BOARD SCHEMATIC DIAGRAM ................ 72XV-BOARD (1 OF 5) SCHEMATIC DIAGRAM.... 73XV-BOARD (2 OF 5) SCHEMATIC DIAGRAM.... 74XV-BOARD (3 OF 5) SCHEMATIC DIAGRAM.... 75XV-BOARD (4 OF 5) SCHEMATIC DIAGRAM.... 76XV-BOARD (5 OF 5) SCHEMATIC DIAGRAM.... 77CONDUCTOR VIEWS......................................... 783