Panasonic TH-P42XT50D, Service Manual

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TABLE OF CONTENTS
PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------3
1.2. Touch-Current Check--------------------------------------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
3.2. Applicable signals------------------------------------------7
4 Specifications ------------------------------------------------------ 8
5 Technical Descriptions ---------------------------------------- 10
5.1. Specification of KEY for DTCP-IP, One-to-
One, Widevine and Netflix ----------------------------- 10
5.2. Panel-Type setting --------------------------------------- 10
6 Service Mode ----------------------------------------------------- 11
6.1. How to enter into Service Mode ---------------------- 11
6.2. Option - Mirror--------------------------------------------- 13
6.3. Service tool mode---------------------------------------- 13
6.4. DRV Check - USB HDD Check----------------------- 14
6.5. Hotel mode------------------------------------------------- 14
6.6. Data Copy by SD Card --------------------------------- 15
7 Troubleshooting Guide ---------------------------------------- 18
7.1. Check of the IIC bus lines------------------------------ 18
7.2. Power LED Blinking timing chart --------------------- 19
7.3. No Power--------------------------------------------------- 20
7.4. No Picture -------------------------------------------------- 21
7.5. Local screen failure-------------------------------------- 22
8 Disassembly and Assembly Instructions --------------- 23
8.1. Disassembly Flow Chart for the Unit ---------------- 23
8.2. Disassembly Procedure for the Unit----------------- 24
9 Measurements and Adjustments -------------------------- 28
9.1. Adjustment------------------------------------------------- 28
10 Block Diagram --------------------------------------------------- 31
10.1. Main Block Diagram ------------------------------------- 31
10.2. Block (1/4) Diagram ------------------------------------- 32
10.3. Block (2/4) Diagram ------------------------------------- 33
10.4. Block (3/4) Diagram ------------------------------------- 34
10.5. Block (4/4) 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) --------------------------------------------------- 38
12 Schematic Diagram
13 Printed Circuit Board
14 Exploded View