Panasonic TX-P42GW30, 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 ---------------------------------------- 10
5.1. Specification of KEY for CI Plus, DTCP-IP,
WIDEVINE and One-to-One -------------------------- 10
5.2. USB HDD Recording------------------------------------ 10
6 Service Mode ----------------------------------------------------- 11
6.1. How to enter into Service Mode ---------------------- 11
6.2. Option - Mirror--------------------------------------------- 13
6.3. Service tool mode---------------------------------------- 13
6.4. Hotel mode------------------------------------------------- 14
6.5. Data Copy by SD Card --------------------------------- 15
7 Troubleshooting Guide ---------------------------------------- 18
7.1. Check of the IIC bus lines------------------------------ 18
7.2. Power LED Blinking timing chart --------------------- 19
7.3. No Power--------------------------------------------------- 19
7.4. No Picture -------------------------------------------------- 20
7.5. Local screen failure-------------------------------------- 21
8 Disassembly and Assembly Instructions --------------- 22
8.1. Remove the Rear cover -------------------------------- 22
8.2. Remove the AC inlet ------------------------------------ 22
8.3. Remove the P-Board------------------------------------ 22
8.4. Remove the Side terminal cover --------------------- 22
8.5. Remove the Tuner unit --------------------------------- 22
8.6. Remove the A-Board------------------------------------ 23
8.7. Remove the Side unit assy ---------------------------- 23
8.8. Remove the Speakers ---------------------------------- 23
8.9. Remove the SN-Board---------------------------------- 23
8.10. Remove the SS-Board---------------------------------- 24
8.11. Remove the Fan------------------------------------------ 24
8.12. Remove the Stand bracket----------------------------- 24
8.13. Remove the C1-Board ---------------------------------- 24
8.14. Remove the C2-Board ---------------------------------- 24
8.15. Remove the Chassis support metals and the
M8 nut metals --------------------------------------------- 25
8.16. Remove the Contact metal bottom B---------------- 25
8.17. Remove the Plasma panel section from the
Cabinet assy----------------------------------------------- 25
8.18. Remove the Contact metals --------------------------- 26
8.19. Remove the K-Board------------------------------------ 26
8.20. Replace the Plasma panel ----------------------------- 26
9 Measurements and Adjustments -------------------------- 27
9.1. Adjustment------------------------------------------------- 27
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
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
11.5. Wiring (4) -------------------------------------------------- 43
12 Schematic Diagram
13 Printed Circuit Board
14 Exploded View