Panasonic TH-P50X20K Service Manual

Also see for Viera TH-P50X20K: User guide

2TABLE OF CONTENTS PAGE PAGE1 Safety Precautions -----------------------------------------------31.1. General Guidelines ----------------------------------------31.2. Touch-Current Check--------------------------------------32 Warning --------------------------------------------------------------42.1. Prevention of Electrostatic Discharge (ESD)to Electrostatically Sensitive (ES) Devices ----------42.2. About lead free solder (PbF) ----------------------------53 Service Navigation------------------------------------------------63.1. PCB Layout --------------------------------------------------63.2. Applicable signals ------------------------------------------74 Specifications ------------------------------------------------------85 Service Mode ----------------------------------------------------- 105.1. How to enter into Service Mode ---------------------- 105.2. Option - Mirror--------------------------------------------- 125.3. Service tool mode ---------------------------------------- 125.4. Hotel mode------------------------------------------------- 135.5. Data Copy by SD Card --------------------------------- 146 Troubleshooting Guide---------------------------------------- 176.1. Check of the IIC bus lines------------------------------ 176.2. Power LED Blinking timing chart --------------------- 186.3. No Power--------------------------------------------------- 196.4. No Picture -------------------------------------------------- 206.5. Local screen failure -------------------------------------- 217 Service Fixture & Tools --------------------------------------- 227.1. SC jig -------------------------------------------------------- 228 Disassembly and Assembly Instructions --------------- 238.1. Remove the Rear cover -------------------------------- 238.2. Remove the AC inlet ------------------------------------ 238.3. Remove the P-Board ------------------------------------ 238.4. Remove the Side terminal cover and the Sideshield metal ------------------------------------------------ 238.5. Remove the Tuner unit --------------------------------- 248.6. Remove the A-Board ------------------------------------ 248.7. Remove the Speakers ---------------------------------- 248.8. Remove the SU-Board---------------------------------- 248.9. Remove the SD-Board---------------------------------- 258.10. Remove the SC-Board---------------------------------- 258.11. Remove the SS-Board ---------------------------------- 258.12. Remove the Hanger metals and the Standbrackets----------------------------------------------------- 258.13. Remove the C1-Board ---------------------------------- 268.14. Remove the C2-Board ---------------------------------- 268.15. Remove the Plasma panel section from theCabinet assy (glass)------------------------------------- 268.16. Remove the Glass holders ---------------------------- 278.17. Remove the K-Board ------------------------------------ 278.18. Replace the plasma panel ----------------------------- 279 Measurements and Adjustments -------------------------- 289.1. Adjustment ------------------------------------------------- 2810 Block Diagram --------------------------------------------------- 3310.1. Main Block Diagram ------------------------------------- 3310.2. Block (1/4) Diagram ------------------------------------- 3410.3. Block (2/4) Diagram ------------------------------------- 3510.4. Block (3/4) Diagram ------------------------------------- 3610.5. Block (4/4) Diagram ------------------------------------- 3711 Wiring Connection Diagram --------------------------------- 3911.1. Caution statement.--------------------------------------- 3911.2. Wiring (1) --------------------------------------------------- 3911.3. Wiring (2) -------------------------------------------------- 4011.4. Wiring (3) -------------------------------------------------- 4011.5. Wiring (4) -------------------------------------------------- 4112 Schematic Diagram -------------------------------------------- 4312.1. Schematic Diagram Note ------------------------------ 4312.2. A-Board (1/13) Schematic Diagram----------------- 4412.3. A-Board (2/13) Schematic Diagram----------------- 4512.4. A-Board (3/13) Schematic Diagram----------------- 4612.5. A-Board (4/13) Schematic Diagram----------------- 4712.6. A-Board (5/13) Schematic Diagram----------------- 4812.7. A-Board (6/13) Schematic Diagram----------------- 4912.8. A-Board (7/13) Schematic Diagram----------------- 5012.9. A-Board (8/13) Schematic Diagram----------------- 5112.10. A-Board (9/13) Schematic Diagram----------------- 5212.11. A-Board (10/13) and K-Board SchematicDiagram ---------------------------------------------------- 5312.12. A-Board (11/13) Schematic Diagram --------------- 5412.13. A-Board (12/13) Schematic Diagram --------------- 5512.14. A-Board (13/13) Schematic Diagram --------------- 5612.15. C1-Board Schematic Diagram ----------------------- 5712.16. C2-Board Schematic Diagram ----------------------- 5812.17. SC-Board (1/4) Schematic Diagram ---------------- 5912.18. SC-Board (2/4) Schematic Diagram ---------------- 6012.19. SC-Board (3/4) Schematic Diagram ---------------- 6112.20. SC-Board (4/4) Schematic Diagram ---------------- 6212.21. SS-Board (1/2) Schematic Diagram ---------------- 6312.22. SS-Board (2/2) Schematic Diagram ---------------- 6413 Printed Circuit Board------------------------------------------ 6513.1. K-Board ---------------------------------------------------- 6513.2. A-Board ---------------------------------------------------- 6613.3. C1-Board--------------------------------------------------- 6813.4. C2-Board--------------------------------------------------- 6913.5. SC-Board -------------------------------------------------- 7013.6. SS-Board -------------------------------------------------- 7214 Exploded View and Replacement Parts List----------- 7514.1. Exploded View and Mechanical ReplacementParts List --------------------------------------------------- 7514.2. Electrical Replacement Parts List ------------------- 82