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ORDER NO. MTV1001989CE




LCD TV
Model No. TH-L24C20D
Chassis: UE7-A1
Destination: INDIA




TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3 7 Mechanical Disassembly ------------------------------------- 17
1.1. Safety Precautions ---------------------------------------- 3 7.1. STAND Removal ----------------------------------------- 18
1.2. Product Safety Notice ------------------------------------ 3 7.2. CABINET BACK Removal ----------------------------- 18
2 Specifications ----------------------------------------------------- 4 7.3. PWB ASSY. and MOUNTING HANGER
3 Service Navigation ----------------------------------------------- 5 Removal ---------------------------------------------------- 19
4 Chasis Block Diagrams ---------------------------------------- 6 7.4. PANEL Removal ----------------------------------------- 19
4.1. Block Diagram For Cable Connection---------------- 6 8 Printed Circuit Board ------------------------------------------ 20
4.2. Main Signal Processing Circuit------------------------- 7 8.1. MAIN BOARD (Top Side) ------------------------------ 20
4.3. Power Supply IC ------------------------------------------- 8 8.2. MAIN BOARD (Bottom Side)-------------------------- 21
4.4. IC Block Diagrams (On the ASSY, PWB, 8.3. SUB BOARD (Bottom Side) --------------------------- 22
MAIN)--------------------------------------------------------- 9 8.4. SUB BOARD (Top Side)-------------------------------- 23
4.4.1. IC7200 --------------------------------------------------- 9 8.5. POWER BOARD (Part Side)-------------------------- 24
5 On-screen Service Menu System --------------------------10 8.6. POWER BOARD (Solder Side)----------------------- 25
5.1. General------------------------------------------------------10 8.7. KEY BOARD (Solder Side) ---------------------------- 26
5.2. On-screen Service Menu System --------------------10 8.8. KEY BOARD (Part Side) ------------------------------- 26
5.3. Service Adjustment Data Table ----------------------- 11 9 Schematic Diagram -------------------------------------------- 27
6 Service Adjustments -------------------------------------------16 9.1. POWER BOARD ----------------------------------------- 27
6.1. Setting The Initial Data ----------------------------------16 9.2. INVERTER BOARD ------------------------------------- 28
6.2. White And Black Balance Adjustment---------------16 9.3. LED BOARD ---------------------------------------------- 29