Panasonic TH-L47ET5R, Service Manual

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© Panasonic Corporation 2012. Unauthorized
copying and distribution is a violation of law.
ORDER NO. MTV1207182CE
LED TV
Model No.
TH-L47ET5R
Chassis: LA35
Destination: IRAN
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. Contents of adjustment mode --------------------- 9
5.1.2. How to exit---------------------------------------------- 9
5.2. SRV-TOOL -------------------------------------------------10
5.2.1. How to access ----------------------------------------10
5.2.2. Display of SOS History -----------------------------10
5.2.3. POWER ON TIME/COUNT -----------------------10
5.2.4. Exit ------------------------------------------------------ 10
5.2.5. Self Check Mode ------------------------------------ 11
5.2.6. Hotel Mode Adjustment---------------------------- 11
5.2.7. 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. Exit ------------------------------------------------------ 12
6.1.3. Screen display --------------------------------------- 12
6.2. Power LED Blinking timing chart --------------------- 13
6.3. No Power--------------------------------------------------- 13
7 Disassembly and Assembly Instructions --------------- 14
7.1. Speaker & Screw Fixing -------------------------------- 14
7.2. LCD Panel Fixing & Handling Method -------------- 16
7.3. LED Panel Preparation & Metal Fixing ------------- 17
7.4. PCB Fixing & Key Button Assembly----------------- 18
7.5. Back Cover - Barrier & Screw------------------------- 19
8 Measurements and Adjustments -------------------------- 21
8.1. Voltage chart of A-board ------------------------------- 21
8.2. Voltage chart of P-board ------------------------------- 21