Table Of Contents - Panasonic TX-P42X50B Service Manual

TABLE OF CONTENTS

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 Service Mode ----------------------------------------------------- 10
5.1. How to enter into Service Mode ---------------------- 10
5.2. Option - Mirror--------------------------------------------- 12
5.3. Service tool mode ---------------------------------------- 12
5.4. DRV Check - USBHDD Check------------------------ 13
5.5. Hotel mode------------------------------------------------- 13
5.6. Data Copy by SD Card --------------------------------- 14
6 Troubleshooting Guide---------------------------------------- 17
6.1. Check of the IIC bus lines------------------------------ 17
6.2. Power LED Blinking timing chart --------------------- 18
6.3. No Power--------------------------------------------------- 19
6.4. No Picture -------------------------------------------------- 20
6.5. Local screen failure -------------------------------------- 21
7 Disassembly and Assembly Instructions --------------- 22
7.1. Disassembly Flow Chart for the Unit ---------------- 22
7.2. Disassembly Procedure for the Unit----------------- 23
8 Measurements and Adjustments -------------------------- 27
8.1. Adjustment ------------------------------------------------- 27
9 Block Diagram --------------------------------------------------- 29
9.1. Main Block Diagram ------------------------------------- 29
9.2. Block (1/4) Diagram ------------------------------------- 30
9.3. Block (2/4) Diagram ------------------------------------- 31
9.4. Block (3/4) Diagram ------------------------------------- 32
9.5. Block (4/4) Diagram ------------------------------------- 33
10 Wiring Connection Diagram --------------------------------- 35
10.1. Caution statement.--------------------------------------- 35
10.2. Wiring (1) --------------------------------------------------- 35
10.3. Wiring (2) --------------------------------------------------- 35
10.4. Wiring (3) --------------------------------------------------- 36
11 Schematic Diagram
12 Printed Circuit Board
13 Exploded View
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