Table Of Contents - Panasonic TH-49D400A Service Manual

TH-43D400A/TH-49D400Z

TABLE OF CONTENTS

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 Service Mode -------------------------------------------------------8
5.1. How to enter into Service Mode ------------------------8
5.1.1. Purpose --------------------------------------------------8
5.1.2. Key command ------------------------------------------8
5.1.3. How to exit ----------------------------------------------8
5.1.4. Contents of adjustment mode ----------------------8
5.1.5. Display of SOS History-------------------------------9
5.1.6. Exit --------------------------------------------------------9
5.1.7. Hotel Mode----------------------------------------------9
6 Troubleshooting Guide---------------------------------------- 10
6.1. Check of the IIC bus lines------------------------------ 10
6.1.1. How to access---------------------------------------- 10
6.1.2. Self-check indication only ------------------------- 10
6.1.3. Self-check indication and forced to factory
shipment setting ------------------------------------- 10
6.1.4. Exit ------------------------------------------------------ 10
6.1.5. Screen display --------------------------------------- 10
6.2. Power LED Blinking timing chart --------------------- 11
6.3. Method of detecting SOS ------------------------------ 11
6.4. LCD Panel test mode ----------------------------------- 12
6.5. No Power--------------------------------------------------- 12
7 Disassembly and Assembly Instructions--------------- 13
7.1. Key Button & LED Ass'y-------------------------------- 13
7.2. Vesa Metal & Bottom Back Cover-------------------- 14
7.3. AV Bracket & Bottom Metal Ass'y-------------------- 15
7.4. Screw Installation (Panel) ------------------------------ 16
7.5. Felt Sticking------------------------------------------------ 17
7.6. Screw Installation (Back Cover) ---------------------- 18
7.7. Label Installation ----------------------------------------- 19
7.8. POP Sticker------------------------------------------------ 20
7.9. Handling SPEC ------------------------------------------- 21
8 Measurements and Adjustments -------------------------- 22
8.1. Voltage chart of A-board-------------------------------- 22
8.2. Voltage chart of P-board-------------------------------- 22
9 Block Diagram --------------------------------------------------- 23
9.1. Main Block Diagram ------------------------------------- 23
10 Wiring Connection Diagram --------------------------------- 24
10.1. Wire Dressing --------------------------------------------- 24
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