2TABLE OF CONTENTS Page1 Safety Precaution ------------------------------------------------------------------------------------------------ 31.1. General Guidelines ---------------------------------------------------------------------------------------- 32 Warning ------------------------------------------------------------------------------------------------------------- 42.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive(ES) Devices 42.2. About lead free solder (PbF) ---------------------------------------------------------------------------- 53 Service Navigation ----------------------------------------------------------------------------------------------- 63.1. Service Hint-------------------------------------------------------------------------------------------------- 63.2. Applicable signals ------------------------------------------------------------------------------------------ 74 Specifications ----------------------------------------------------------------------------------------------------- 85 Troubleshooting Guide ----------------------------------------------------------------------------------------- 95.1 No Power ----------------------------------------------------------------------------------------------------- 95.2 Abnormal Display ------------------------------------------------------------------------------------------ 105.3 No Display --------------------------------------------------------------------------------------------------- 115.4 Sound Problem --------------------------------------------------------------------------------------------- 125.5 Remote Control Malfunction ---------------------------------------------------------------------------- 136 Disassembly and Assembly Instructions --------------------------------------------------------------- 147 Block Diagram---------------------------------------------------------------------------------------------------- 188 Schematic Diagram --------------------------------------------------------------------------------------------- 198.1 Main Board -------------------------------------------------------------------------------------------------- 198.2 Power Board ------------------------------------------------------------------------------------------------ 298.3 Key Board---------------------------------------------------------------------------------------------------- 328.4 IR Board ------------------------------------------------------------------------------------------------------ 339 Wiring Connection Diagram --------------------------------------------------------------------------------- 349.1. Caution Statement -------------------------------------------------------------------------------------- 349.2. Wiring -------------------------------------------------------------------------------------------------------- 3410 Exploded View and Replacement Parts List ---------------------------------------------------------- 3510.1. Exploded View ------------------------------------------------------------------------------------------ 3510.2. Replacement Parts List -------------------------------------------------------------------------------- 36