Panasonic TH-50PM50U, Service Manual, Page: 2 / 151

1 Applicable signals 4
2 Safety Precautions 4
2.1. General Guidelines 4
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 5
4 About lead free solder (PbF) 6
5 Service Hint 7
6 Plasma panel replacement method 8
6.1. Remove the Back cover. 8
6.2. Remove the P-Board. 8
6.3. Remove the PB-Board 8
6.4. Remove the D-Board 8
6.5. Remove the rear terminal cover 9
6.6. Remove the metal frame 9
6.7. Remove the DV-Board 9
6.8. Remove the DG-Board 9
6.9. Remove the H-Board 10
6.10. Remove the PA-Board 10
6.11. Remove the Z-Board 10
6.12. Remove the SU-Board 10
6.13. Remove the SD-Board 11
6.14. Remove the SC-Board 11
6.15. Remove the SS2-Board 12
6.16. Remove the SS3-Board 12
6.17. Remove the SS-Board 12
6.18. Remove the Fan 12
6.19. Remove the C1-Board 13
6.20. Remove the C2-Board 13
6.21. Remove the C3-Board 13
6.22. Remove the Speaker L, R 13
6.23. Remove the stand brackets. 14
6.24. Remove the C4-Board 14
6.25. Remove the C5-Board 14
6.26. Remove the C6-Board 14
6.27. Remove the K-Board 15
6.28. Remove the S-Board 15
6.29. Remove the Plasma panel section from the Front frame
(glass) 15
6.30. Replace the plasma panel (finished). 16
7 Location of Lead Wiring 17
7.1. Lead of Wiring (1) 17
7.2. Lead of Wiring (2) 18
7.3. Lead of Wiring (3) 19
7.4. Lead of Wiring (4) 20
8 Self-check Function 21
8.1. How to access 21
8.2. Power LED Blinking timing chart 22
8.3. No Power 23
8.4. No Picture 24
8.5. Local screen failure 25
9 Serviceman Mode 26
9.1. How to enter into Serviceman Mode 26
9.2. Cancellation 26
9.3. Contents of adjustment mode 26
9.4. Option 27
10 Adjustment Procedure 28
10.1. Driver Set-up 28
10.2. Initialization Pulse Adjust 29
10.3. P.C.B. (Printed Circuit Board) exchange 30
10.4. Adjustment Volume Location 30
10.5. Test Point Location 30
11 Adjustment 31
11.1. NTSC white balance adjustment 31
11.2. HD white balance adjustment 32
11.3. Sub bright adjustment 33
11.4. ABL operation level adjustment 33
12 Conductor View 35
12.1. P-Board 35
(Phono Jack Type × 2)
COMPONENT VIDEO Y 1.0 Vp-p (including synchronization)
INPUT1-2 PB / PR ± 0.35 Vp-p
AUDIO L-R 0.5 Vrms
(Phono Jack Type × 2)
HDMI HDMI type A Connector
AUDIO L-R 0.5 Vrms
(Phono Jack Type × 2)
Note:
Design and Specifications are subject change without notice.
Weight and Dimensions shown are approximate.
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TH-50PM50U