Read Panasonic TX-PR50U10 Service Manual online
2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Touch-Current Check--------------------------------------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. Service Hint--------------------------------------------------6
3.2. Applicable signals------------------------------------------7
3.2. Applicable signals------------------------------------------7
4 Specifications ------------------------------------------------------8
5 Service Mode -------------------------------------------------------9
5 Service Mode -------------------------------------------------------9
5.1. How to enter into Service Mode ------------------------9
5.2. Service tool mode---------------------------------------- 11
5.3. Hotel mode------------------------------------------------- 12
5.2. Service tool mode---------------------------------------- 11
5.3. Hotel mode------------------------------------------------- 12
6 Troubleshooting Guide---------------------------------------- 13
6.1. Check of the IIC bus lines------------------------------ 13
6.2. Power LED Blinking timing chart --------------------- 14
6.3. No Power--------------------------------------------------- 15
6.4. No Picture -------------------------------------------------- 16
6.5. Local screen failure-------------------------------------- 17
6.2. Power LED Blinking timing chart --------------------- 14
6.3. No Power--------------------------------------------------- 15
6.4. No Picture -------------------------------------------------- 16
6.5. Local screen failure-------------------------------------- 17
7 Service Fixture & Tools --------------------------------------- 18
7.1. SC jig -------------------------------------------------------- 18
8 Disassembly and Assembly Instructions--------------- 19
8.1. Remove the Rear cover -------------------------------- 19
8.2. Remove the P-Board------------------------------------ 19
8.3. Remove the Side terminal cover and Rear
8.2. Remove the P-Board------------------------------------ 19
8.3. Remove the Side terminal cover and Rear
terminal cover --------------------------------------------- 19
8.4. Remove the Tuner unit --------------------------------- 20
8.5. Remove the A-Board------------------------------------ 20
8.6. Remove the Speakers ---------------------------------- 21
8.7. Remove the Control button unit ---------------------- 21
8.8. Remove the GK-Board --------------------------------- 21
8.9. Remove the SU-Board---------------------------------- 21
8.5. Remove the A-Board------------------------------------ 20
8.6. Remove the Speakers ---------------------------------- 21
8.7. Remove the Control button unit ---------------------- 21
8.8. Remove the GK-Board --------------------------------- 21
8.9. Remove the SU-Board---------------------------------- 21
8.10. Remove the SD-Board---------------------------------- 22
8.11. Remove the SC-Board---------------------------------- 22
8.12. Remove the SS2-Board -------------------------------- 22
8.13. Remove the SS-Board---------------------------------- 23
8.14. Remove the Hanger metals and the Stand
8.13. Remove the SS-Board---------------------------------- 23
8.14. Remove the Hanger metals and the Stand
brackets----------------------------------------------------- 23
8.15. Remove the C1-Board ---------------------------------- 23
8.16. Remove the C2-Board ---------------------------------- 23
8.17. Remove the C3-Board ---------------------------------- 24
8.18. Remove the Plasma panel section from the
8.16. Remove the C2-Board ---------------------------------- 23
8.17. Remove the C3-Board ---------------------------------- 24
8.18. Remove the Plasma panel section from the
Cabinet assy (glass)------------------------------------- 24
8.19. Remove the S-Board------------------------------------ 24
8.20. Remove the Front glass -------------------------------- 25
8.21. Remove the K-Board------------------------------------ 25
8.22. Replace the plasma panel ----------------------------- 26
8.20. Remove the Front glass -------------------------------- 25
8.21. Remove the K-Board------------------------------------ 25
8.22. Replace the plasma panel ----------------------------- 26
9 Measurements and Adjustments -------------------------- 27
9.1. Adjustment Procedure ---------------------------------- 27
9.2. Adjustment------------------------------------------------- 30
9.2. Adjustment------------------------------------------------- 30
10 Block Diagram --------------------------------------------------- 35
10.1. Main Block Diagram ------------------------------------- 35
10.2. Block (1/4) Diagram ------------------------------------- 36
10.3. Block (2/4) Diagram ------------------------------------- 37
10.4. Block (3/4) Diagram ------------------------------------- 38
10.5. Block (4/4) Diagram ------------------------------------- 39
10.2. Block (1/4) Diagram ------------------------------------- 36
10.3. Block (2/4) Diagram ------------------------------------- 37
10.4. Block (3/4) Diagram ------------------------------------- 38
10.5. Block (4/4) Diagram ------------------------------------- 39
11 Wiring Connection Diagram -------------------------------- 41
11.1. Caution statement. -------------------------------------- 41
11.2. Wiring (1) -------------------------------------------------- 41
11.3. Wiring (2) -------------------------------------------------- 42
11.4. Wiring (3) -------------------------------------------------- 43
11.2. Wiring (1) -------------------------------------------------- 41
11.3. Wiring (2) -------------------------------------------------- 42
11.4. Wiring (3) -------------------------------------------------- 43
12 Schematic Diagram -------------------------------------------- 45
12.1. Schematic Diagram Note ------------------------------ 45
12.2. P-Board (1/2) Schematic Diagram ------------------ 46
12.3. P-Board (2/2) Schematic Diagram ------------------ 47
12.4. GK, K and S-Board Schematic Diagram----------- 48
12.5. A-Board (1/20) Schematic Diagram----------------- 49
12.6. A-Board (2/20) Schematic Diagram----------------- 50
12.7. A-Board (3/20) Schematic Diagram----------------- 51
12.8. A-Board (4/20) Schematic Diagram----------------- 52
12.9. A-Board (5/20) Schematic Diagram----------------- 53
12.2. P-Board (1/2) Schematic Diagram ------------------ 46
12.3. P-Board (2/2) Schematic Diagram ------------------ 47
12.4. GK, K and S-Board Schematic Diagram----------- 48
12.5. A-Board (1/20) Schematic Diagram----------------- 49
12.6. A-Board (2/20) Schematic Diagram----------------- 50
12.7. A-Board (3/20) Schematic Diagram----------------- 51
12.8. A-Board (4/20) Schematic Diagram----------------- 52
12.9. A-Board (5/20) Schematic Diagram----------------- 53
12.10. A-Board (6/20) Schematic Diagram----------------- 54
12.11. A-Board (7/20) Schematic Diagram----------------- 55
12.12. A-Board (8/20) Schematic Diagram----------------- 56
12.13. A-Board (9/20) Schematic Diagram----------------- 57
12.14. A-Board (10/20) Schematic Diagram --------------- 58
12.15. A-Board (11/20) Schematic Diagram --------------- 59
12.16. A-Board (12/20) Schematic Diagram --------------- 60
12.17. A-Board (13/20) Schematic Diagram --------------- 61
12.18. A-Board (14/20) Schematic Diagram --------------- 62
12.19. A-Board (15/20) Schematic Diagram --------------- 63
12.20. A-Board (16/20) Schematic Diagram --------------- 64
12.21. A-Board (17/20) Schematic Diagram --------------- 65
12.22. A-Board (18/20) Schematic Diagram --------------- 66
12.23. A-Board (19/20) Schematic Diagram --------------- 67
12.24. A-Board (20/20) Schematic Diagram --------------- 68
12.25. C1-Board Schematic Diagram ----------------------- 69
12.26. C2-Board (1/2) Schematic Diagram ---------------- 70
12.27. C2-Board (2/2) Schematic Diagram ---------------- 71
12.28. C3-Board (1/2) Schematic Diagram ---------------- 72
12.29. C3-Board (2/2) Schematic Diagram ---------------- 73
12.30. SC-Board (1/4) Schematic Diagram ---------------- 74
12.31. SC-Board (2/4) Schematic Diagram ---------------- 75
12.32. SC-Board (3/4) Schematic Diagram ---------------- 76
12.33. SC-Board (4/4) Schematic Diagram ---------------- 77
12.34. SS-Board (1/2) Schematic Diagram ---------------- 78
12.35. SS-Board (2/2) and SS2-Board Schematic
12.13. A-Board (9/20) Schematic Diagram----------------- 57
12.14. A-Board (10/20) Schematic Diagram --------------- 58
12.15. A-Board (11/20) Schematic Diagram --------------- 59
12.16. A-Board (12/20) Schematic Diagram --------------- 60
12.17. A-Board (13/20) Schematic Diagram --------------- 61
12.18. A-Board (14/20) Schematic Diagram --------------- 62
12.19. A-Board (15/20) Schematic Diagram --------------- 63
12.20. A-Board (16/20) Schematic Diagram --------------- 64
12.21. A-Board (17/20) Schematic Diagram --------------- 65
12.22. A-Board (18/20) Schematic Diagram --------------- 66
12.23. A-Board (19/20) Schematic Diagram --------------- 67
12.24. A-Board (20/20) Schematic Diagram --------------- 68
12.25. C1-Board Schematic Diagram ----------------------- 69
12.26. C2-Board (1/2) Schematic Diagram ---------------- 70
12.27. C2-Board (2/2) Schematic Diagram ---------------- 71
12.28. C3-Board (1/2) Schematic Diagram ---------------- 72
12.29. C3-Board (2/2) Schematic Diagram ---------------- 73
12.30. SC-Board (1/4) Schematic Diagram ---------------- 74
12.31. SC-Board (2/4) Schematic Diagram ---------------- 75
12.32. SC-Board (3/4) Schematic Diagram ---------------- 76
12.33. SC-Board (4/4) Schematic Diagram ---------------- 77
12.34. SS-Board (1/2) Schematic Diagram ---------------- 78
12.35. SS-Board (2/2) and SS2-Board Schematic
Diagram ---------------------------------------------------- 79
13 Printed Circuit Board------------------------------------------ 80
13.1. P-Board ---------------------------------------------------- 80
13.2. GK, K, S and SS2-Board ------------------------------ 83
13.3. A-Board ---------------------------------------------------- 84
13.4. C1-Board--------------------------------------------------- 86
13.5. C2-Board--------------------------------------------------- 87
13.6. C3-Board--------------------------------------------------- 88
13.7. SC-Board -------------------------------------------------- 89
13.8. SS-Board -------------------------------------------------- 92
13.2. GK, K, S and SS2-Board ------------------------------ 83
13.3. A-Board ---------------------------------------------------- 84
13.4. C1-Board--------------------------------------------------- 86
13.5. C2-Board--------------------------------------------------- 87
13.6. C3-Board--------------------------------------------------- 88
13.7. SC-Board -------------------------------------------------- 89
13.8. SS-Board -------------------------------------------------- 92
14 Exploded View and Replacement Parts List----------- 95
14.1. Exploded View and Mechanical Replacement
Parts List --------------------------------------------------- 95
14.2. Electrical Replacement Parts List ------------------102
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