Service ManualTable of ContentsORDER NO.MTNC100329CE142 inch Class 1080p LCD HDTV1Model No. TC-L42U2511 Safety Precautions31.1. General Guidelines31.1.1. Leakage Current Cold Check31.1.2. Leakage Current Hot Check (See Figure 1.)32 Warning42.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices42.2. About lead free solder (PbF)53 Service Navigation63.1. Service Hint63.2. Applicable signals64 Specifications75 Service Mode85.1. How to enter into Service Mode85.1.1. Key command85.1.2. Contents of adjustment mode95.1.3. How to exit95.2. SRV-TOOL105.2.1. How to access105.2.2. Display of SOS History105.2.3. POWER ON TIME/COUNT105.2.4. Exit105.3. Hotel mode115.4. Data Copy by SD Card125.4.1. Purpose125.4.2. Preparation125.4.3. Data copy from TV set to SD Card135.4.4. Data copy from to SD Card to TV set146 Troubleshooting Guide156.1. Check of the IIC bus lines156.1.1. How to access156.1.2. Exit156.1.3. Screen display156.1.4. Check Point156.2. Power LED Blinking timing chart166.3. No Power177 Disassembly and Assembly Instructions187.1. Pedestal187.2. Rear cover187.3. AC cord187.4. P-Board187.5. Side AV bracket197.6. A-Board197.7. Control panel197.8. Speaker197.9. Metal bracket CH frame207.10. Metal bracket P top & Metal bracket P right207.11. Metal bracket vertical207.12. Metal bracket217.13. Barrier217.14. TC-Board217.15. LCD Panel227.16. V-Board227.17. EMI processing238 Measurements and Adjustments308.1. VCOM Adjustment (Flicker Adjustment)308.1.1. General information:308.1.2. Adjustment procedures:308.2. Voltage chart of A-board318.3. Picture level adjustment (RF)319 Block Diagram339.1. Main Block Diagram339.2. Block (1/3) Diagram349.3. Block (2/3) Diagram359.4. Block (3/3) Diagram3610 Wiring Connection Diagram3710.1. Caution statement.3710.2. Wiring3711 Schematic Diagram3911.1. Schematic Diagram Notes3911.2. A-Board (1/12) Schematic Diagram4011.3. A-Board (2/12) Schematic Diagram4111.4. A-Board (3/12) Schematic Diagram4211.5. A-Board (4/12) Schematic Diagram4311.6. A-Board (5/12) Schematic Diagram4411.7. A-Board (6/12) Schematic Diagram4511.8. A-Board (7/12) Schematic Diagram4611.9. A-Board (8/12) Schematic Diagram4711.10. A-Board (9/12) Schematic Diagram4811.11. A-Board (10/12) Schematic Diagram4911.12. A-Board (11/12) Schematic Diagram5011.13. A-Board (12/12) and V-Board Schematic Diagram5111.14. TC-Board (1/6) Schematic Diagram5211.15. TC-Board (2/6) Schematic Diagram5311.16. TC-Board (3/6) Schematic Diagram5411.17. TC-Board (4/6) Schematic Diagram5511.18. TC-Board (5/6) Schematic Diagram5611.19. TC-Board (6/6) Schematic Diagram5712 Printed Circuit Board5812.1. A-Board5812.2. V-Board6012.3. TC-Board6113 Exploded View and Replacement Parts List6313.1. Exploded View and Mechanical Replacement Parts List6313.1.1. Exploded View6313.1.2. Accessories6413.1.3. Mechanical Replacement Parts List6513.2. Electrical Replacement Parts List6713.2.1. Replacement Parts List Notes6713.2.2. Electrical Replacement Parts List68Size: 9.79 MBPages: 75Language: EnglishOpen manual