Panasonic TC-L55ET5-1

2
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------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. PCB Layout --------------------------------------------------6
4 Specifications ------------------------------------------------------7
5 Technical Descriptions------------------------------------------8
5.1. Specification of KEY for DTCP-IP, WMDRM
and Widevine------------------------------------------------8
6 Service Mode -------------------------------------------------------9
6.1. How to enter into Service Mode ------------------------9
6.2. SRV-TOOL ------------------------------------------------- 10
6.3. Hotel mode------------------------------------------------- 11
6.4. Data Copy by SD Card --------------------------------- 12
7 Troubleshooting Guide---------------------------------------- 15
7.1. Check of the IIC bus lines------------------------------ 15
7.2. Power LED Blinking timing chart --------------------- 16
7.3. LCD Panel test mode ----------------------------------- 16
8 Disassembly and Assembly Instructions --------------- 17
8.1. Disassembly Flow Chart for the Unit ---------------- 17
8.2. Disassembly Procedure for the Unit----------------- 17
9 Measurements and Adjustments -------------------------- 32
9.1. Voltage chart of P-board-------------------------------- 32
9.2. Voltage chart of A-board------------------------------- 32
10 Block Diagram --------------------------------------------------- 33
10.1. Main Block Diagram ------------------------------------- 33
10.2. Block (1/2) Diagram ------------------------------------- 34
10.3. Block (2/2) Diagram ------------------------------------- 35
11 Wiring Connection Diagram --------------------------------- 37
11.1. Caution statement.--------------------------------------- 37
11.2. Wiring 1 ----------------------------------------------------- 37
11.3. Wiring 2 ----------------------------------------------------- 38
11.4. Wiring 3 ----------------------------------------------------- 39
11.5. Wiring 4 ----------------------------------------------------- 40
12 Schematic Diagram
13 Printed Circuit Board
14 Exploded View