Panasonic TXP50VT20L, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions --------------------------------------------------------
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1.1. General Guidelines ------------------------------------------------
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1.2. Touch-Current Check ---------------------------------------------
3
2 Warning ------------------------------------------------------------------------
4
2.1. Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices----------------------
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2.2. About lead free solder (PbF) ------------------------------------
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3 Service Navigation ---------------------------------------------------------
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3.1. PCB Layout----------------------------------------------------------
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3.2. Applicable signals--------------------------------------------------
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4 Specifications ---------------------------------------------------------------
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5 Technical Descriptions -------------------------------------------------
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5.1. Specification of KEY for CI Plus, DTCP-IP and One-
to-One---------------------------------------------------------------
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5.2. USB HDD Recording--------------------------------------------
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5.3. Service port (M3 mini Jack) Specifications ----------------
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6 Service Mode --------------------------------------------------------------
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6.1. How to enter into Service Mode ------------------------------
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6.2. Option - Mirror ----------------------------------------------------
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6.3. Service tool mode------------------------------------------------
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6.4. Hotel mode --------------------------------------------------------
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6.5. Data Copy by SD Card -----------------------------------------
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7 Troubleshooting Guide -------------------------------------------------
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7.1. Check of the IIC bus lines--------------------------------------
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7.2. Power LED Blinking timing chart -----------------------------
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7.3. No Power-----------------------------------------------------------
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7.4. No Picture----------------------------------------------------------
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7.5. Local screen failure----------------------------------------------
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8 Service Fixture & Tools ------------------------------------------------
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8.1. SC jig----------------------------------------------------------------
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9 Disassembly and Assembly Instructions ------------------------
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9.1. Remove the Rear cover ----------------------------------------
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9.2. Remove the AC inlet --------------------------------------------
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9.3. Remove the P-Board--------------------------------------------
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9.4. Remove the Side terminal cover and the Side shield
metal-----------------------------------------------------------------
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9.5. Remove the XS-Board------------------------------------------
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9.6. Remove the Tuner unit -----------------------------------------
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9.7. Remove the A-Board--------------------------------------------
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9.8. Remove the Speakers ------------------------------------------
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9.9. Remove the Woofer ---------------------------------------------
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9.10. Remove the Fan--------------------------------------------------
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9.11. Remove the SU-Board------------------------------------------
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9.12. Remove the SD-Board------------------------------------------
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9.13. Remove the SC-Board------------------------------------------
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9.14. Remove the SS2-Board ----------------------------------------
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9.15. Remove the SS-Board------------------------------------------
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9.16. Remove the Hanger metals and the One leg
bracket --------------------------------------------------------------
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9.17. Remove the Cabinet mount metals--------------------------
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9.18. Remove the D-Board--------------------------------------------
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9.19. Remove the C1-Board ------------------------------------------
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9.20. Remove the C2-Board ------------------------------------------
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9.21. Remove the C3-Board ------------------------------------------
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9.22. Remove the C4-Board ------------------------------------------
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9.23. Remove the C5-Board ------------------------------------------
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9.24. Remove the C6-Board ------------------------------------------
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9.25. Remove the Plasma panel section from the Cabinet
assy------------------------------------------------------------------
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9.26. Remove the Contact metals -----------------------------------
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9.27. Remove the K-Board--------------------------------------------
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9.28. Remove the V-Board --------------------------------------------
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9.29. Replace the plasma panel -------------------------------------
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10 Measurements and Adjustments -----------------------------------
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10.1. Adjustment---------------------------------------------------------
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11 Block Diagram ------------------------------------------------------------
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11.1. Main Block Diagram ---------------------------------------------
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11.2. Block (1/6) Diagram ---------------------------------------------
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11.3. Block (2/6) Diagram ---------------------------------------------
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11.4. Block (3/6) Diagram ---------------------------------------------
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11.5. Block (4/6) Diagram ---------------------------------------------
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11.6. Block (5/6) Diagram ---------------------------------------------
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11.7. Block (6/6) Diagram ---------------------------------------------
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12 Wiring Connection Diagram ------------------------------------------
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12.1. Caution statement.-----------------------------------------------
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12.2. Wiring (1) -----------------------------------------------------------
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12.3. Wiring (2) -----------------------------------------------------------
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12.4. Wiring (3) -----------------------------------------------------------
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12.5. Wiring (4) -----------------------------------------------------------
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12.6. Wiring (5) -----------------------------------------------------------
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13 Schematic Diagram ------------------------------------------------------
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13.1. Schematic Diagram Note ---------------------------------------
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13.2. P-Board (1/3) Schematic Diagram ---------------------------
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13.3. P-Board (2/3) Schematic Diagram ---------------------------
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13.4. P-Board (3/3) Schematic Diagram ---------------------------
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13.5. A-Board (1/25) Schematic Diagram -------------------------
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13.6. A-Board (2/25) Schematic Diagram -------------------------
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13.7. A-Board (3/25) Schematic Diagram -------------------------
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13.8. A-Board (4/25) Schematic Diagram -------------------------
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13.9. A-Board (5/25) Schematic Diagram -------------------------
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13.10. A-Board (6/25) Schematic Diagram -------------------------
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13.11. A-Board (7/25) Schematic Diagram -------------------------
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13.12. A-Board (8/25) Schematic Diagram -------------------------
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13.13. A-Board (9/25) Schematic Diagram -------------------------
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13.14. A-Board (10/25) Schematic Diagram------------------------
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13.15. A-Board (11/25) Schematic Diagram ------------------------
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13.16. A-Board (12/25) Schematic Diagram------------------------
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13.17. A-Board (13/25) Schematic Diagram------------------------
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13.18. A-Board (14/25) Schematic Diagram------------------------
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13.19. A-Board (15/25) Schematic Diagram------------------------
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13.20. A-Board (16/25) Schematic Diagram------------------------
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13.21. A-Board (17/25) Schematic Diagram------------------------
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13.22. A-Board (18/25) and V-Board Schematic Diagram ------
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13.23. A-Board (19/25) Schematic Diagram------------------------
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13.24. A-Board (20/25) Schematic Diagram------------------------
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13.25. A-Board (21/25) and K-Board Schematic Diagram ------
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13.26. A-Board (22/25) Schematic Diagram------------------------
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13.27. A-Board (23/25) Schematic Diagram------------------------
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13.28. A-Board (24/25) Schematic Diagram------------------------
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13.29. A-Board (25/25) Schematic Diagram------------------------
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13.30. XS-Board Schematic Diagram --------------------------------
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13.31. D-Board (1/5) Schematic Diagram ---------------------------
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13.32. D-Board (2/5) Schematic Diagram ---------------------------
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13.33. D-Board (3/5) Schematic Diagram ---------------------------
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13.34. D-Board (4/5) Schematic Diagram ---------------------------
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13.35. D-Board (5/5) Schematic Diagram ---------------------------
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13.36. C1-Board Schematic Diagram --------------------------------
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13.37. C2-Board (1/2) Schematic Diagram -------------------------
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13.38. C2-Board (2/2) Schematic Diagram -------------------------
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13.39. C3-Board (1/2) Schematic Diagram -------------------------
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13.40. C3-Board (2/2) Schematic Diagram -------------------------
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13.41. C4-Board Schematic Diagram --------------------------------
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13.42. C5-Board (1/2) Schematic Diagram -------------------------
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13.43. C5-Board (2/2) Schematic Diagram -------------------------
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13.44. C6-Board (1/2) Schematic Diagram -------------------------
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13.45. C6-Board (2/2) Schematic Diagram -------------------------
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13.46. SC-Board (1/4) Schematic Diagram -------------------------
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13.47. SC-Board (2/4) Schematic Diagram -------------------------
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13.48. SC-Board (3/4) Schematic Diagram -------------------------
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13.49. SC-Board (4/4) Schematic Diagram -------------------------
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13.50. SS-Board (1/2) Schematic Diagram -----------------------
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13.51. SS-Board (2/2) and SS2-Board Schematic Diagram--
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14 Printed Circuit Board --------------------------------------------------
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14.1. P-Board -----------------------------------------------------------
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14.2. K, V and SS2-Board -------------------------------------------
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14.3. A-Board -----------------------------------------------------------
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14.4. XS-Board ---------------------------------------------------------
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14.5. D-Board -----------------------------------------------------------
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14.6. C1-Board ---------------------------------------------------------
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14.7. C2-Board ---------------------------------------------------------
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14.8. C3-Board ---------------------------------------------------------
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14.9. C4-Board ---------------------------------------------------------
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14.10. C5-Board ---------------------------------------------------------
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14.11. C6-Board ---------------------------------------------------------
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14.12. SC-Board ---------------------------------------------------------
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14.13. SS-Board ---------------------------------------------------------
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15 Exploded View and Replacement Parts List -------------------
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15.1. Exploded View and Mechanical Replacement Parts
List------------------------------------------------------------------
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15.2. Electrical Replacement Parts List --------------------------
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