Panasonic TH-P42U30AZ, Service Manual

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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 and
One-to-One --------------------------------------------------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 Disassembly and Assembly Instructions --------------- 21
8.1. Remove the Rear cover -------------------------------- 21
8.2. Remove the AC inlet ------------------------------------ 21
8.3. Remove the P-Board------------------------------------ 21
8.4. Remove the Side terminal cover --------------------- 21
8.5. Remove the Tuner unit --------------------------------- 21
8.6. Remove the A-Board------------------------------------ 22
8.7. Remove the Speakers ---------------------------------- 22
8.8. Remove the SN-Board---------------------------------- 22
8.9. Remove the SS-Board---------------------------------- 22
8.10. Remove the Stand bracket and the Hanger
metals ------------------------------------------------------- 23
8.11. Remove the Radiator plate ---------------------------- 23
8.12. Remove the C1-Board ---------------------------------- 23
8.13. Remove the C2-Board ---------------------------------- 23
8.14. Remove the Plasma panel section from the
Cabinet assy----------------------------------------------- 24
8.15. Remove the Attachment metal bottom-------------- 24
8.16. Remove the Attachment metal top------------------- 24
8.17. Remove the Glass holders ---------------------------- 25
8.18. Remove the K-Board------------------------------------ 25
8.19. Replace the Plasma panel ----------------------------- 25
9 Measurements and Adjustments -------------------------- 26
9.1. Adjustment------------------------------------------------- 26
10 Block Diagram --------------------------------------------------- 33
10.1. Main Block Diagram ------------------------------------- 33
10.2. Block (1/4) Diagram ------------------------------------- 34
10.3. Block (2/4) Diagram ------------------------------------- 35
10.4. Block (3/4) Diagram ------------------------------------- 36
10.5. Block (4/4) Diagram ------------------------------------- 37
11 Wiring Connection Diagram --------------------------------- 39
11.1. Caution statement.--------------------------------------- 39
11.2. Wiring (1) -------------------------------------------------- 39
11.3. Wiring (2) -------------------------------------------------- 40
11.4. Wiring (3) -------------------------------------------------- 40
11.5. Wiring (4) -------------------------------------------------- 41
12 Schematic Diagram
13 Printed Circuit Board
14 Exploded View and Replacement Parts List