Panasonic TH-48AX670S, Service Manual

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© Panasonic Corporation 2014.
ORDER NO. MTV1401268CE
LED TV
Model No.
TH-48AX670S
Chassis: LA51
Destination: SINGAPORE
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 Service Mode ------------------------------------------------------ 9
5.1. How to enter into Service Mode ----------------------- 9
5.1.1. Purpose ------------------------------------------------- 9
5.1.2. Key command ----------------------------------------- 9
5.1.3. How to exit---------------------------------------------- 9
5.1.4. Contents of adjustment mode --------------------- 9
5.1.5. Display of SOS History -----------------------------10
5.1.6. Exit-------------------------------------------------------10
5.1.7. Hotel Mode-------------------------------------------- 11
6 Troubleshooting Guide --------------------------------------- 12
6.1. Check of the IIC bus lines------------------------------ 12
6.1.1. How to access --------------------------------------- 12
6.1.2. Self-check indication only ------------------------- 12
6.1.3. Self-check indication and forced to factory
shipment setting ------------------------------------- 12
6.1.4. Exit ------------------------------------------------------ 12
6.1.5. Screen display --------------------------------------- 12
6.2. Power LED Blinking timing chart --------------------- 13
6.3. Method of detecting SOS ------------------------------ 13
6.4. LCD Panel test mode ----------------------------------- 14
6.5. No Power--------------------------------------------------- 14
7 Disassembly and Assembly Instructions --------------- 15
7.1. Speaker & H/Sink Ass’y -------------------------------- 15
7.2. LCD Panel Fixing & Handling Method -------------- 16
7.3. Module & LED Panel Ass’y --------------------------- 17
7.4. PCB & AV Bracket Ass’y ------------------------------ 18
7.5. Brackets Ass’y -------------------------------------------- 19
7.6. Pedestal Ass’y -------------------------------------------- 20