Panasonic Viera TC-L42E5X, Service Manual

Page: 1 / 72

© Panasonic Corporation 2012. Unauthorized
copying and distribution is a violation of law.
ORDER NO. MTV1204025CE
LCD HDTV
Model No.
TC-L42E5X
Chassis: LA35
Destination: USA
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 ------------------------------------------------------ 8
5.1. How to enter into Service Mode ----------------------- 8
5.1.1. Contents of adjustment mode --------------------- 8
5.1.2. How to exit---------------------------------------------- 8
5.2. SRV-TOOL -------------------------------------------------- 9
5.2.1. How to access ----------------------------------------- 9
5.2.2. Display of SOS History ------------------------------ 9
5.2.3. POWER ON TIME/COUNT ------------------------ 9
5.2.4. Exit --------------------------------------------------------9
5.2.5. Self Check Mode ------------------------------------ 10
5.2.6. Hotel Mode Adjustment---------------------------- 10
5.2.7. Hotel Mode-------------------------------------------- 10
6 Troubleshooting Guide --------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access --------------------------------------- 11
6.1.2. Exit ------------------------------------------------------ 11
6.1.3. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 12
7 Disassembly and Assembly Instructions --------------- 13
7.1. Control Panel Preparation ----------------------------- 13
7.2. Control Panel Assembly-------------------------------- 14
7.3. Speaker Assembly --------------------------------------- 15
7.4. Panel Assembly ------------------------------------------ 16
7.5. LCD Panel Fixing & Handling Method -------------- 17
7.6. Placing Black Tape -------------------------------------- 18
7.7. LED Panel Assembly------------------------------------ 19
7.8. Screwing up Brackets----------------------------------- 20