CONTENTSSAFETY PRECAUTIONS ........................................... 3GENERAL GUIDE LINES...................................... 3TOUCH – CURRENT CHECK.................................PREVENTION OF ELECTROSTATIC DISCHARGE(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)DEVICES .................................................................... 4ABOUT LEAD FREE SOLDER (PBF) ......................... 5SUGGESTED PB FREE SOLDER ........................ 5APPLICABLE INPUT SIGNALS .................................. 6SERVICE HINTS ........................................................ 9CHASSIS BOARD LAYOUT ..................................... 10OPERATING INSTRUCTIONS ................................. 11OPTION MENU ......................................................... 12SERVICE MODE ...................................................... 13CAT (COMPUTER AIDED TEST) MODE ................. 13IIC MODE.................................................................. 13CD MODE, SD MODE .............................................. 14MS MODE, ID MODE..................................................15IIC MODE STRUCTURE.............................................16SELF CHECK ........................................................... 17POWER LED BLINKING TIMING CHARD................ 18ADJUSTMENT METHOD ......................................... 19WIRING DIAGRAM ................................................... 20BLOCK DIAGRAM ................................................... 21PARTS LOCATION ................................................... 24LOCATION OF LEAD WIRING ................................. 26REPLACEMENT PARTS LIST NOTE ....................... 27SCHEMATIC DIAGRAMS NOTE .............................. 64A-BOARD (1 OF 13) SCHEMATIC DIAGRAM .... 65HX-BOARD SCHEMATIC DIAGRAM .................. 78DS-BOARD (1 OF 2) SCHEMATIC DIAGRAM ... 79V1-BOARD SCHEMATIC DIAGRAM .................. 81V2-BOARD SCHEMATIC DIAGRAM .................. 82CONDUCTOR VIEWS .............................................. 832