ContentsSAFETY PRECAUTIONS ........................................... 3GENERAL GUIDE LINES...................................... 3TOUCH – CURRENT CHECK............................... 3PREVENTION OF ELECTROSTATIC DISCHARGE(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)DEVICES ................................................................... 4ABOUT LEAD FREE SOLDER (PBF) ......................... 5SUGGESTED PB FREE SOLDER ........................ 5SERVICE NAVIGATION ............................................. 6CHASSIS BOARD LAYOUT ................................. 6SERVICE HINTS ........................................................ 7APPLICABLE INPUT SIGNALS .................................. 8SPECIFICATIONS .................................................... 10SERVICE MODE ...................................................... 12CAT (COMPUTER AIDED TEST) MODE ................. 12IIC MODE.................................................................. 12CD MODE ................................................................. 13NW MODE ................................................................ 14SD MODE, MS MODE .............................................. 15ID MODE................................................................... 16IIC MODE STRUCTURE...........................................17SELF CHECK ........................................................... 18POWER LED BLINKING TIMING CHART ................ 19LCD PANEL TEST MODE ........................................ 20DIAGNOSIS FLOW CHART ..................................... 21DIAGNOSIS OF TOUCH PANEL .............................. 22WIRING DIAGRAM ................................................... 23BLOCK DIAGRAM (1 OF 3) ..................................... 24PARTS LOCATION ................................................... 27LOCATION OF LEAD WIRING ................................. 31REPLACEMENT PARTS LIST NOTE ....................... 32REPLACEMENT PARTS LIST .................................. 33SCHEMATIC DIAGRAMS NOTE .............................. 88A-BOARD (1 OF 24) SCHEMATIC DIAGRAM .......... 89DS-BOARD SCHEMATIC DIAGRAM ..................... 113HX-BOARD SCHEMATIC DIAGRAM ..................... 114H1-BOARD SCHEMATIC DIAGRAM ...................... 115V1-BOARD SCHEMATIC DIAGRAM ...................... 116V2-BOARD SCHEMATIC DIAGRAM ...................... 117CONDUCTOR VIEWS ............................................ 1182