2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions
--------------------------------------------------------------
1.1. General Guidelines -----------------------------------------------------
1.2. Touch-Current Check---------------------------------------------------
2 Warning
-----------------------------------------------------------------------------
2.1. Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices---------------------------
2.2. About lead free solder (PbF) -----------------------------------------
3 Service Navigation
--------------------------------------------------------------
3.1. PCB Layout ---------------------------------------------------------------
3.2. Applicable signals -------------------------------------------------------
4 Specifications
---------------------------------------------------------------------
5 Service Mode
--------------------------------------------------------------------
5.1. How to enter into Service Mode -----------------------------------
5.2. Option - Mirror----------------------------------------------------------
5.3. Service tool mode -----------------------------------------------------
5.4. Hotel mode--------------------------------------------------------------
5.5. Data Copy by SD Card ----------------------------------------------
6 Troubleshooting Guide
------------------------------------------------------
6.1. Check of the IIC bus lines-------------------------------------------
6.2. Power LED Blinking timing chart ----------------------------------
6.3. No Power----------------------------------------------------------------
6.4. No Picture ---------------------------------------------------------------
6.5. Local screen failure ---------------------------------------------------
7 Service Fixture & Tools
------------------------------------------------------
7.1. SC jig ---------------------------------------------------------------------
8 Disassembly and Assembly Instructions
------------------------------
8.1. Remove the Rear cover ---------------------------------------------
8.2. Remove the AC inlet -------------------------------------------------
8.3. Remove the P-Board -------------------------------------------------
8.4. Remove the Side terminal cover and the Side shield
metal----------------------------------------------------------------------
8.5. Remove the Tuner unit-----------------------------------------------
8.6. Remove the A-Board -------------------------------------------------
8.7. Remove the Speakers -----------------------------------------------
8.8. Remove the Woofer --------------------------------------------------
8.9. Remove the Fan-------------------------------------------------------
8.10. Remove the SU-Board-----------------------------------------------
8.11. Remove the SD-Board-----------------------------------------------
8.12. Remove the SC-Board-----------------------------------------------
8.13. Remove the SS2-Board ---------------------------------------------
8.14. Remove the SS-Board -----------------------------------------------
8.15. Remove the Hanger metals and the One leg bracket--------
8.16. Remove the Cabinet mount metals-------------------------------
8.17. Remove the D-Board-------------------------------------------------
8.18. Remove the C1-Board -----------------------------------------------
8.19. Remove the C2-Board -----------------------------------------------
8.20. Remove the C3-Board -----------------------------------------------
8.21. Remove the C4-Board -----------------------------------------------
8.22. Remove the C5-Board -----------------------------------------------
8.23. Remove the C6-Board -----------------------------------------------
8.24. Remove the Plasma panel section from the Cabinet
assy-----------------------------------------------------------------------
8.25. Remove the Contact metals ----------------------------------------
8.26. Remove the K-Board -------------------------------------------------
8.27. Remove the V-Board -------------------------------------------------
8.28. Replace the plasma panel ------------------------------------------
9 Measurements and Adjustments
-----------------------------------------
9.1. Adjustment --------------------------------------------------------------
10 Block Diagram
------------------------------------------------------------------
10.1. Main Block Diagram --------------------------------------------------
10.2. Block (1/5) Diagram --------------------------------------------------
10.3. Block (2/5) Diagram --------------------------------------------------
10.4. Block (3/5) Diagram --------------------------------------------------
10.5. Block (4/5) Diagram --------------------------------------------------
10.6. Block (5/5) Diagram --------------------------------------------------
11 Wiring Connection Diagram
------------------------------------------------
11.1. Caution statement.----------------------------------------------------
11.2. Wiring (1) ----------------------------------------------------------------
11.3. Wiring (2) ----------------------------------------------------------------
11.4. Wiring (3) ----------------------------------------------------------------
11.5. Wiring (4)----------------------------------------------------------------
11.6. Wiring (5)----------------------------------------------------------------
12 Schematic Diagram
-----------------------------------------------------------
12.1. Schematic Diagram Note -------------------------------------------
12.2. P-Board (1/3) Schematic Diagram--------------------------------
12.3. P-Board (2/3) Schematic Diagram--------------------------------
12.4. P-Board (3/3) Schematic Diagram--------------------------------
12.5. A-Board (1/25) Schematic Diagram ------------------------------
12.6. A-Board (2/25) Schematic Diagram ------------------------------
12.7. A-Board (3/25) Schematic Diagram ------------------------------
12.8. A-Board (4/25) Schematic Diagram ------------------------------
12.9. A-Board (5/25) Schematic Diagram ------------------------------
12.10. A-Board (6/25) Schematic Diagram ------------------------------
12.11. A-Board (7/25) Schematic Diagram ------------------------------
12.12. A-Board (8/25) Schematic Diagram ------------------------------
12.13. A-Board (9/25) Schematic Diagram ------------------------------
12.14. A-Board (10/25) Schematic Diagram ----------------------------
12.15. A-Board (11/25) Schematic Diagram ----------------------------
12.16. A-Board (12/25) Schematic Diagram ----------------------------
12.17. A-Board (13/25) Schematic Diagram ----------------------------
12.18. A-Board (14/25) Schematic Diagram ----------------------------
12.19. A-Board (15/25) Schematic Diagram ----------------------------
12.20. A-Board (16/25) Schematic Diagram ----------------------------
12.21. A-Board (17/25) Schematic Diagram ----------------------------
12.22. A-Board (18/25) and V-Board Schematic Diagram-----------
12.23. A-Board (19/25) Schematic Diagram ----------------------------
12.24. A-Board (20/25) Schematic Diagram ----------------------------
12.25. A-Board (21/25) and K-Board Schematic Diagram ----------
12.26. A-Board (22/25) Schematic Diagram ----------------------------
12.27. A-Board (23/25) Schematic Diagram ----------------------------
12.28. A-Board (24/25) Schematic Diagram ----------------------------
12.29. A-Board (25/25) Schematic Diagram ----------------------------
12.30. D-Board (1/5) Schematic Diagram -------------------------------
12.31. D-Board (2/5) Schematic Diagram -------------------------------
12.32. D-Board (3/5) Schematic Diagram -------------------------------
12.33. D-Board (4/5) Schematic Diagram -------------------------------
12.34. D-Board (5/5) Schematic Diagram -------------------------------
12.35. C1-Board Schematic Diagram-------------------------------------
12.36. C2-Board (1/2) Schematic Diagram------------------------------
12.37. C2-Board (2/2) Schematic Diagram------------------------------
12.38. C3-Board (1/2) Schematic Diagram------------------------------
12.39. C3-Board (2/2) Schematic Diagram------------------------------
12.40. C4-Board Schematic Diagram-------------------------------------
12.41. C5-Board (1/2) Schematic Diagram------------------------------
12.42. C5-Board (2/2) Schematic Diagram------------------------------
12.43. C6-Board (1/2) Schematic Diagram------------------------------
12.44. C6-Board (2/2) Schematic Diagram------------------------------
12.45. SC-Board (1/4) Schematic Diagram -----------------------------
12.46. SC-Board (2/4) Schematic Diagram -----------------------------
12.47. SC-Board (3/4) Schematic Diagram -----------------------------
12.48. SC-Board (4/4) Schematic Diagram -----------------------------
12.49. SS-Board (1/2) Schematic Diagram------------------------------
12.50. SS-Board (2/2) and SS2-Board Schematic Diagram --------
13 Printed Circuit Board
---------------------------------------------------------
13.1. P-Board------------------------------------------------------------------
13.2. K, V and SS2-Board------------------------------------------------
13.3. A-Board----------------------------------------------------------------
13.4. D-Board ---------------------------------------------------------------
13.5. C1-Board--------------------------------------------------------------
13.6. C2-Board--------------------------------------------------------------
13.7. C3-Board--------------------------------------------------------------
13.8. C4-Board--------------------------------------------------------------
13.9. C5-Board--------------------------------------------------------------
13.10. C6-Board--------------------------------------------------------------
13.11. SC-Board --------------------------------------------------------------
13.12. SS-Board--------------------------------------------------------------
14 Exploded View and Replacement Parts List
------------------------
14.1. Exploded View and Mechanical Replacement Parts List -
14.2. Electrical Replacement Parts List-------------------------------
Summary of Contents for Viera TH-P50VT20D
Page 20: ...20 6 4 No Picture ...
Page 42: ...42 11 3 Wiring 2 ...
Page 43: ...43 11 4 Wiring 3 ...
Page 44: ...44 11 5 Wiring 4 ...
Page 45: ...45 11 6 Wiring 5 ...
Page 46: ...46 ...
Page 47: ...47 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 99: ...99 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE ETX2MM806MVH ...
Page 116: ...116 14 1 2 Exploded View 2 ...
Page 117: ...117 14 1 3 Packing 1 ...
Page 118: ...118 14 1 4 Packing 2 ...
Page 122: ...122 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...