Panasonic TH-43DX400K, Service Manual

Page: 2 / 52

TH-43DX400K/TH-43DX400S/TH-43DX400T
2
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------3
1.1.1. Leakage Current Cold Check ----------------------3
1.1.2. Leakage Current Hot Check (See Figure 1.) -----3
2 Warning -------------------------------------------------------------- 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices ----------4
2.2. About lead free solder (PbF) ----------------------------5
3 Service Navigation ------------------------------------------------ 6
3.1. Service Hint--------------------------------------------------6
4 Specifications ------------------------------------------------------ 7
5 Test and Alignment ----------------------------------------------- 8
5.1. Factory Setting----------------------------------------------8
5.1.1. ADC Adjust----------------------------------------------9
5.1.2. Picture Mutuality ------------------------------------- 10
5.1.3. Audio Mutuality--------------------------------------- 11
5.1.4. Non-Linear -------------------------------------------- 11
5.1.5. VIF Initialization -------------------------------------- 11
5.1.6. System Setting --------------------------------------- 11
5.1.7. Panel Control ----------------------------------------- 12
5.1.8. Others -------------------------------------------------- 12
5.1.9. Customer Setting ------------------------------------ 12
5.1.10. CI Factory Setting ----------------------------------- 12
5.2. MSD6488 Software Upgrade Instruction----------- 13
5.2.1. Upgrade bin file -------------------------------------- 13
5.2.2. USB upgrade procedures for TV set ----------- 13
5.3. Hotel Mode------------------------------------------------- 14
6 Troubleshooting Guide ---------------------------------------- 16
6.1. No Power. -------------------------------------------------- 16
6.2. No Display / Black Panel. ------------------------------ 17
6.3. No Back Light. -------------------------------------------- 18
6.4. No Sound.-------------------------------------------------- 19
6.5. Signal source no function ------------------------------ 20
6.6. Abnormal Display ---------------------------------------- 21
6.7. No Tuning Channels------------------------------------- 22
7 Disassembly and Assembly Instructions --------------- 23
7.1. Panel and Sponges-------------------------------------- 23
7.2. Main Board and AV Brackets-------------------------- 24
7.3. Install PCB ------------------------------------------------- 25
7.4. LVDS Cable------------------------------------------------ 26
7.5. Key Button Ass’y ----------------------------------------- 27
7.6. Speaker Assy --------------------------------------------- 28
7.7. WIFI and B/C Cushion ---------------------------------- 29
7.8. Back Cover Screw --------------------------------------- 30
7.9. Label--------------------------------------------------------- 31
7.10. Handling SPEC ------------------------------------------- 32
8 Measurements and Adjustments -------------------------- 33
8.1. Key Check Points ---------------------------------------- 33
8.2. Power Flow Diagram ------------------------------------ 34
9 Block Diagram --------------------------------------------------- 35
9.1. System Block Diagram---------------------------------- 35
9.2. Circuit Block Diagram ----------------------------------- 36
10 Wiring Connection Diagram --------------------------------- 37
10.1. Wire Dressing --------------------------------------------- 37
11 Schematic Diagram --------------------------------------------- 38
12 Exploded View and Replacement Parts List ----------- 50
12.1. Parts Location--------------------------------------------- 50
12.2. Packing Instruction--------------------------------------- 51
12.3. Replacement Partlist------------------------------------ 52