Panasonic Viera TC-42PX24, Service Manual

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------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 ------------------------------------------------------- 9
5.1. How to enter into Service Mode ------------------------9
5.2. Option - Mirror--------------------------------------------- 11
5.3. Service tool mode ---------------------------------------- 11
5.4. Hotel mode------------------------------------------------- 12
5.5. Data Copy by SD Card --------------------------------- 13
6 Troubleshooting Guide ---------------------------------------- 16
6.1. Check of the IIC bus lines------------------------------ 16
6.2. Power LED Blinking timing chart --------------------- 17
6.3. No Power--------------------------------------------------- 18
6.4. No Picture -------------------------------------------------- 19
6.5. Local screen failure -------------------------------------- 20
7 Disassembly and Assembly Instructions --------------- 21
7.1. Remove the Rear cover -------------------------------- 21
7.2. Remove the AC inlet ------------------------------------ 21
7.3. Remove the P-Board ------------------------------------ 21
7.4. Remove the Side terminal cover and the Side
shield metal ------------------------------------------------ 21
7.5. Remove the Tuner unit --------------------------------- 21
7.6. Remove the A-Board ------------------------------------ 22
7.7. Remove the Speakers ---------------------------------- 22
7.8. Remove the SN-Board---------------------------------- 22
7.9. Remove the SS-Board ---------------------------------- 22
7.10. Remove the Hanger metals and the Stand
brackets----------------------------------------------------- 23
7.11. Remove the C1-Board ---------------------------------- 23
7.12. Remove the C2-Board ---------------------------------- 23
7.13. Remove the Plasma panel section from the
Cabinet assy (glass)------------------------------------- 24
7.14. Remove the S-Board ------------------------------------ 24
7.15. Remove the Glass holders ---------------------------- 25
7.16. Remove the K-Board ------------------------------------ 25
7.17. Replace the plasma panel ----------------------------- 25
8 Measurements and Adjustments -------------------------- 26
8.1. Adjustment ------------------------------------------------- 26
9 Block Diagram --------------------------------------------------- 31
9.1. Main Block Diagram ------------------------------------- 31
9.2. Block (1/4) Diagram ------------------------------------- 32
9.3. Block (2/4) Diagram ------------------------------------- 33
9.4. Block (3/4) Diagram ------------------------------------- 34
9.5. Block (4/4) Diagram ------------------------------------- 35
10 Wiring Connection Diagram --------------------------------- 37
10.1. Caution statement.--------------------------------------- 37
10.2. Wiring (1) --------------------------------------------------- 37
10.3. Wiring (2) --------------------------------------------------- 38
10.4. Wiring (3) --------------------------------------------------- 39
11 Schematic Diagram --------------------------------------------- 41
11.1. Schematic Diagram Note ------------------------------ 41
11.2. A-Board (1/14) Schematic Diagram----------------- 42
11.3. A-Board (2/14) Schematic Diagram----------------- 43
11.4. A-Board (3/14) Schematic Diagram----------------- 44
11.5. A-Board (4/14) Schematic Diagram----------------- 45
11.6. A-Board (5/14) Schematic Diagram----------------- 46
11.7. A-Board (6/14) Schematic Diagram----------------- 47
11.8. A-Board (7/14) Schematic Diagram----------------- 48
11.9. A-Board (8/14) Schematic Diagram----------------- 49
11.10. A-Board (9/14) Schematic Diagram----------------- 50
11.11. A-Board (10/14), K-Board and S-Board
Schematic Diagram ------------------------------------- 51
11.12. A-Board (11/14) Schematic Diagram --------------- 52
11.13. A-Board (12/14) Schematic Diagram --------------- 53
11.14. A-Board (13/14) Schematic Diagram --------------- 54
11.15. A-Board (14/14) Schematic Diagram --------------- 55
11.16. C1-Board Schematic Diagram ----------------------- 56
11.17. C2-Board Schematic Diagram ----------------------- 57
11.18. SN-Board (1/9) Schematic Diagram ---------------- 58
11.19. SN-Board (2/9) Schematic Diagram ---------------- 59
11.20. SN-Board (3/9) Schematic Diagram ---------------- 60
11.21. SN-Board (4/9) Schematic Diagram ---------------- 61
11.22. SN-Board (5/9) Schematic Diagram ---------------- 62
11.23. SN-Board (6/9) Schematic Diagram ---------------- 63
11.24. SN-Board (7/9) Schematic Diagram ---------------- 64
11.25. SN-Board (8/9) Schematic Diagram ---------------- 65
11.26. SN-Board (9/9) Schematic Diagram ---------------- 66
11.27. SS-Board (1/2) Schematic Diagram ---------------- 67
11.28. SS-Board (2/2) Schematic Diagram ---------------- 68
12 Printed Circuit Board ------------------------------------------ 69
12.1. K and S-Board-------------------------------------------- 69
12.2. A-Board ---------------------------------------------------- 70
12.3. C1-Board--------------------------------------------------- 72
12.4. C2-Board--------------------------------------------------- 73
12.5. SN-Board -------------------------------------------------- 74
12.6. SS-Board -------------------------------------------------- 76
13 Exploded View and Replacement Parts List ----------- 79
13.1. Exploded View and Mechanical Replacement
Parts List --------------------------------------------------- 79
13.2. Electrical Replacement Parts List ------------------- 85