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Order Number MTV1112129CE
FULL HD LCD Display
Model No. TH-42LF25W
TH-47LF25W
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions----------------------------------------------- 3 8.2. Preparations----------------------------------------------- 17
1.1. General Guidelines---------------------------------------- 3 8.3. Pedestal (option) removal------------------------------ 17
1.2. Touch-Current Check ------------------------------------- 3 8.4. Rear cover removal-------------------------------------- 17
2 Warning -------------------------------------------------------------- 4 8.5. Replacement method for main board and jack
2.1. Prevention of Electrostatic Discharge (ESD) board -------------------------------------------------------- 18
to Electrostatically Sensitive (ES) Devices---------- 4 8.6. Replacement method for Power board ------------- 19
2.2. About lead free solder (PbF)---------------------------- 5 8.7. Replacement method for AC cord bracket -------- 19
3 Service Navigation ----------------------------------------------- 6 8.8. Cabinet back removal (42 type) ---------------------- 20
3.1. Applicable signals ----------------------------------------- 6 8.9. Cabinet back removal (47 type) ---------------------- 20
4 Specifications ----------------------------------------------------- 8 8.10. When removing the cabinet back with the
5 Operating Instructions------------------------------------------ 9 board connected ----------------------------------------- 20
6 Service Mode -----------------------------------------------------11 8.11. Replacement method for speakers ------------------ 20
6.1. Service Menu Function (1) ----------------------------- 11 8.12. Key SW board replacement --------------------------- 20
6.2. Service Menu Function (2) -----------------------------12 8.13. Connector board removal ------------------------------ 21
6.3. Service Mode Function (1) -----------------------------13 8.14. LCD panel replacement -------------------------------- 21
6.4. Service Mode Function (2) -----------------------------14 8.15. Replacement method for RC+LED board---------- 22
7 Troubleshooting Guide ----------------------------------------15 8.16. Cabinet front replacement ----------------------------- 22
8 Disassembly and Assembly Instructions ---------------16 8.17. Cabinet back replacement ----------------------------- 23
8.1. Flowchart for disassembly------------------------------16 9 Block Diagram --------------------------------------------------- 27