Panasonic gph14du tc-50px34 Service Manual
2
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
3.2. Applicable signals ------------------------------------------7
4 Specifications ------------------------------------------------------8
5 Technical Descriptions------------------------------------------9
5 Technical Descriptions------------------------------------------9
5.1. Specification of KEY for DTCP-IP, WMDRM
and Widevine------------------------------------------------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
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
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
8.2. 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 Hanger metals and the Stand
brackets----------------------------------------------------- 23
8.11. Remove the C1-Board ---------------------------------- 23
8.12. Remove the C2-Board ---------------------------------- 23
8.13. Remove the Plasma panel section from the
8.13. Remove the Plasma panel section from the
Cabinet assy----------------------------------------------- 24
8.14. Remove the Glass holders ---------------------------- 24
8.15. Remove the K-Board ------------------------------------ 24
8.16. Replace the Plasma panel ----------------------------- 25
8.15. Remove the K-Board ------------------------------------ 24
8.16. Replace the Plasma panel ----------------------------- 25
9 Measurements and Adjustments -------------------------- 26
9.1. Adjustment ------------------------------------------------- 26
10 Block Diagram --------------------------------------------------- 31
10.1. Main Block Diagram ------------------------------------- 31
10.2. Block (1/4) Diagram ------------------------------------- 32
10.3. Block (2/4) Diagram ------------------------------------- 33
10.4. Block (3/4) Diagram ------------------------------------- 34
10.5. Block (4/4) Diagram ------------------------------------- 35
10.2. Block (1/4) Diagram ------------------------------------- 32
10.3. Block (2/4) Diagram ------------------------------------- 33
10.4. Block (3/4) Diagram ------------------------------------- 34
10.5. Block (4/4) Diagram ------------------------------------- 35
11 Wiring Connection Diagram --------------------------------- 37
11.1. Caution statement.--------------------------------------- 37
11.2. Wiring (1) --------------------------------------------------- 37
11.3. Wiring (2) --------------------------------------------------- 38
11.4. Wiring (3) --------------------------------------------------- 38
11.5. Wiring (4) --------------------------------------------------- 39
11.2. Wiring (1) --------------------------------------------------- 37
11.3. Wiring (2) --------------------------------------------------- 38
11.4. Wiring (3) --------------------------------------------------- 38
11.5. Wiring (4) --------------------------------------------------- 39
11.6. Wiring (5) -------------------------------------------------- 40
12 Schematic Diagram -------------------------------------------- 41
12.1. Schematic Diagram Note ------------------------------ 41
12.2. Replacement Parts List Note ------------------------- 41
12.3. A-Board (1/16) Schematic Diagram----------------- 42
12.4. A-Board (2/16) Schematic Diagram----------------- 43
12.5. A-Board (3/16) Schematic Diagram----------------- 44
12.6. A-Board (4/16) Schematic Diagram----------------- 45
12.7. A-Board (5/16) Schematic Diagram----------------- 46
12.8. A-Board (6/16) Schematic Diagram----------------- 47
12.9. A-Board (7/16) Schematic Diagram----------------- 48
12.2. Replacement Parts List Note ------------------------- 41
12.3. A-Board (1/16) Schematic Diagram----------------- 42
12.4. A-Board (2/16) Schematic Diagram----------------- 43
12.5. A-Board (3/16) Schematic Diagram----------------- 44
12.6. A-Board (4/16) Schematic Diagram----------------- 45
12.7. A-Board (5/16) Schematic Diagram----------------- 46
12.8. A-Board (6/16) Schematic Diagram----------------- 47
12.9. A-Board (7/16) Schematic Diagram----------------- 48
12.10. A-Board (8/16) and K-Board Schematic
Diagram ---------------------------------------------------- 49
12.11. A-Board (9/16) Schematic Diagram----------------- 50
12.12. A-Board (10/16) Schematic Diagram --------------- 51
12.13. A-Board (11/16) Schematic Diagram --------------- 52
12.14. A-Board (12/16) Schematic Diagram --------------- 53
12.15. A-Board (13/16) Schematic Diagram --------------- 54
12.16. A-Board (14/16) Schematic Diagram --------------- 55
12.17. A-Board (15/16) Schematic Diagram --------------- 56
12.18. A-Board (16/16) Schematic Diagram --------------- 57
12.19. C1-Board Schematic Diagram ----------------------- 58
12.20. C2-Board Schematic Diagram ----------------------- 59
12.21. SN-Board (1/6) Schematic Diagram ---------------- 60
12.22. SN-Board (2/6) Schematic Diagram ---------------- 61
12.23. SN-Board (3/6) Schematic Diagram ---------------- 62
12.24. SN-Board (4/6) Schematic Diagram ---------------- 63
12.25. SN-Board (5/6) Schematic Diagram ---------------- 64
12.26. SN-Board (6/6) Schematic Diagram ---------------- 65
12.27. SS-Board (1/2) Schematic Diagram ---------------- 66
12.28. SS-Board (2/2) Schematic Diagram ---------------- 67
12.13. A-Board (11/16) Schematic Diagram --------------- 52
12.14. A-Board (12/16) Schematic Diagram --------------- 53
12.15. A-Board (13/16) Schematic Diagram --------------- 54
12.16. A-Board (14/16) Schematic Diagram --------------- 55
12.17. A-Board (15/16) Schematic Diagram --------------- 56
12.18. A-Board (16/16) Schematic Diagram --------------- 57
12.19. C1-Board Schematic Diagram ----------------------- 58
12.20. C2-Board Schematic Diagram ----------------------- 59
12.21. SN-Board (1/6) Schematic Diagram ---------------- 60
12.22. SN-Board (2/6) Schematic Diagram ---------------- 61
12.23. SN-Board (3/6) Schematic Diagram ---------------- 62
12.24. SN-Board (4/6) Schematic Diagram ---------------- 63
12.25. SN-Board (5/6) Schematic Diagram ---------------- 64
12.26. SN-Board (6/6) Schematic Diagram ---------------- 65
12.27. SS-Board (1/2) Schematic Diagram ---------------- 66
12.28. SS-Board (2/2) Schematic Diagram ---------------- 67
13 Printed Circuit Board------------------------------------------ 68
13.1. A-Board ---------------------------------------------------- 68
13.2. K-Board ---------------------------------------------------- 70
13.3. C1-Board--------------------------------------------------- 71
13.4. C2-Board--------------------------------------------------- 72
13.5. SN-Board -------------------------------------------------- 73
13.6. SS-Board -------------------------------------------------- 75
13.2. K-Board ---------------------------------------------------- 70
13.3. C1-Board--------------------------------------------------- 71
13.4. C2-Board--------------------------------------------------- 72
13.5. SN-Board -------------------------------------------------- 73
13.6. SS-Board -------------------------------------------------- 75
14 Exploded View--------------------------------------------------- 77
14.1. Exploded View-------------------------------------------- 77
14.2. Electrical Replacement Parts List ------------------- 80
14.2. Electrical Replacement Parts List ------------------- 80