TH-43D400A/TH-49D400Z2TABLE OF CONTENTS PAGE PAGE1 Safety Precautions -----------------------------------------------31.1. General Guidelines ----------------------------------------31.1.1. Leakage Current Cold Check ----------------------31.1.2. Leakage Current Hot Check (See Figure 1.) ----- 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--------------------------------------------------64 Specifications ------------------------------------------------------75 Service Mode -------------------------------------------------------85.1. How to enter into Service Mode ------------------------85.1.1. Purpose --------------------------------------------------85.1.2. Key command ------------------------------------------85.1.3. How to exit ----------------------------------------------85.1.4. Contents of adjustment mode ----------------------85.1.5. Display of SOS History-------------------------------95.1.6. Exit --------------------------------------------------------95.1.7. Hotel Mode----------------------------------------------96 Troubleshooting Guide---------------------------------------- 106.1. Check of the IIC bus lines------------------------------ 106.1.1. How to access---------------------------------------- 106.1.2. Self-check indication only ------------------------- 106.1.3. Self-check indication and forced to factoryshipment setting ------------------------------------- 106.1.4. Exit ------------------------------------------------------ 106.1.5. Screen display --------------------------------------- 106.2. Power LED Blinking timing chart --------------------- 116.3. Method of detecting SOS ------------------------------ 116.4. LCD Panel test mode ----------------------------------- 126.5. No Power--------------------------------------------------- 127 Disassembly and Assembly Instructions--------------- 137.1. Key Button & LED Ass’y-------------------------------- 137.2. Vesa Metal & Bottom Back Cover-------------------- 147.3. AV Bracket & Bottom Metal Ass’y-------------------- 157.4. Screw Installation (Panel) ------------------------------ 167.5. Felt Sticking------------------------------------------------ 177.6. Screw Installation (Back Cover) ---------------------- 187.7. Label Installation ----------------------------------------- 197.8. POP Sticker------------------------------------------------ 207.9. Handling SPEC ------------------------------------------- 218 Measurements and Adjustments -------------------------- 228.1. Voltage chart of A-board-------------------------------- 228.2. Voltage chart of P-board-------------------------------- 229 Block Diagram --------------------------------------------------- 239.1. Main Block Diagram ------------------------------------- 2310 Wiring Connection Diagram --------------------------------- 2410.1. Wire Dressing --------------------------------------------- 24