Panasonic Viera TH-P50ST30A, Service Manual, Page: 2 / 132

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TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------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. PCB Layout--------------------------------------------------6
3.2. Applicable signals------------------------------------------7
4 Specifications ------------------------------------------------------ 8
5 Technical Descriptions ------------------------------------------ 9
5.1. Specification of KEY for CI Plus, DTCP-IP,
WIDEVINE and One-to-One ----------------------------9
5.2. USB HDD Recording--------------------------------------9
6 Service Mode ----------------------------------------------------- 10
6.1. How to enter into Service Mode ---------------------- 10
6.2. Option - Mirror--------------------------------------------- 12
6.3. Service tool mode---------------------------------------- 12
6.4. Hotel mode------------------------------------------------- 13
6.5. Data Copy by SD Card --------------------------------- 14
7 Troubleshooting Guide ---------------------------------------- 17
7.1. Check of the IIC bus lines------------------------------ 17
7.2. Power LED Blinking timing chart --------------------- 18
7.3. No Power--------------------------------------------------- 18
7.4. No Picture -------------------------------------------------- 19
7.5. Local screen failure-------------------------------------- 20
8 Service Fixture & Tools --------------------------------------- 21
8.1. SC jig -------------------------------------------------------- 21
9 Disassembly and Assembly Instructions --------------- 22
9.1. Remove the Rear cover -------------------------------- 22
9.2. Remove the AC inlet ------------------------------------ 22
9.3. Remove the P-Board------------------------------------ 22
9.4. Remove the P2-Board ---------------------------------- 22
9.5. Remove the Side terminal cover and the
shield metals ---------------------------------------------- 23
9.6. Remove the A-Board------------------------------------ 23
9.7. Remove the Side unit assy ---------------------------- 23
9.8. Remove the SU-Board---------------------------------- 24
9.9. Remove the SD-Board---------------------------------- 24
9.10. Remove the SC-Board---------------------------------- 24
9.11. Remove the SS-Board---------------------------------- 24
9.12. Remove the SS2-Board -------------------------------- 25
9.13. Remove the Fan------------------------------------------ 25
9.14. Remove the Speakers ---------------------------------- 25
9.15. Remove the Stand bracket----------------------------- 25
9.16. Remove the S-Board------------------------------------ 25
9.17. Remove the Contact metal bottom B---------------- 26
9.18. Remove the Plasma panel section from the
Cabinet assy----------------------------------------------- 26
9.19. Remove the Contact metals and the Bottom
support metal---------------------------------------------- 26
9.20. Remove the C1-Board ---------------------------------- 26
9.21. Remove the C2-Board ---------------------------------- 27
9.22. Remove the C3-Board ---------------------------------- 27
9.23. Remove the K-Board------------------------------------ 27
9.24. Remove the V-Board ------------------------------------ 27
9.25. Replace the Plasma panel ----------------------------- 27
10 Measurements and Adjustments -------------------------- 28
10.1. Adjustment ------------------------------------------------ 28
11 Block Diagram --------------------------------------------------- 35
11.1. Main Block Diagram------------------------------------- 35
11.2. Block (1/4) Diagram ------------------------------------- 36
11.3. Block (2/4) Diagram ------------------------------------- 37
11.4. Block (3/4) Diagram ------------------------------------- 38
11.5. Block (4/4) Diagram ------------------------------------- 39
12 Wiring Connection Diagram -------------------------------- 41
12.1. Caution statement. -------------------------------------- 41
12.2. Wiring (1) -------------------------------------------------- 41
12.3. Wiring (2) -------------------------------------------------- 42
12.4. Wiring (3) -------------------------------------------------- 42
12.5. Wiring (4) -------------------------------------------------- 43
12.6. Wiring (5) -------------------------------------------------- 43
13 Schematic Diagram
14 Printed Circuit Board
15 Exploded View