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