Panasonic Viera TH-50PZ77U, Service Manual

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1 Applicable signals 4
2 Safety Precautions 5
2.1. General Guidelines 5
3 Prevention of Electrostatic Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 6
4 About lead free solder (PbF) 7
5 Service Hint 8
6 Plasma panel replacement method 9
6.1. Remove the Back cover 9
6.2. Remove the fan A/B/C 9
6.3. Remove the rear terminal cover 9
6.4. Remove the tuner unit 9
6.5. Remove the DG-Board 10
6.6. Remove the H-Board 10
6.7. Remove the P-Board 10
6.8. Remove the side AV unit and the side AV bracket. 11
6.9. Remove the G-Board and GS-Board 12
6.10. Remove the PB-Board 12
6.11. Remove the D-Board 13
6.12. Remove the SU-Board 13
6.13. Remove the SD-Board 13
6.14. Remove the SC-Board 13
6.15. Remove the SS-Board 14
6.16. Remove the stand brackets 14
6.17. Remove the C1-Board 14
6.18. Remove the C2-Board 14
6.19. Remove the C3-Board 15
6.20. Remove the C4-Board 15
6.21. Remove the C5-Board 15
6.22. Remove the C6-Board 15
6.23. Remove the speaker L, R 16
6.24. Remove the Plasma panel section from the Cabinet assy
(glass) 16
6.25. Remove the K-Board and the S-Board 16
6.26. Replace the plasma panel (finished) 17
7 Caution statement 18
7.1. Caution statement. 18
8 Location of Lead Wiring 19
8.1. Lead of Wiring (1) 19
8.2. Lead of Wiring (2) 20
8.3. Lead of Wiring (3) 21
8.4. Lead of Wiring (4) 22
8.5. Lead of Wiring (5) 23
8.6. Lead of Wiring (6) 24
8.7. Lead of Wiring (7) 25
9 Self-check Function 26
9.1. Check of the IIC bus lines 26
9.2. Power LED Blinking timing chart 27
9.3. No Power 28
9.4. No Picture 29
9.5. Local screen failure 30
10 Service Mode 31
10.1. How to enter into Service Mode 31
10.2. Service tool mode 33
11 Adjustment Procedure 34
11.1. Driver Set-up 34
11.2. Initialization Pulse Adjust 35
11.3. P.C.B. (Printed Circuit Board) exchange 35
11.4. Adjustment Volume Location 36
11.5. Test Point Location 36
12 White Balance Adjustment 37
12.1. White balance adjustment 37
13 Hotel mode 39
14 Conductor Views 41
14.1. P(1)-Board 41
14.2. P(2)-Board 43
14.3. G,GS,K and S-Board 44
14.4. PB-Board 45
FEATURES 3D Y/C FILTER
CLOSED CAPTION V-Chip
Photo Viewer HDAVI Control 2
Dimensions (W × H × D)
Including pedestal 52.1 ” × 31.6 ” × 14.6 ” (1,323 mm × 802 mm × 369 mm)
TV Set only 52.1 ” × 29.7 ” × 3.92 ” (1,323 mm × 754 mm × 99.5 mm)
Mass
Including pedestal 111.3 lb. (50.5 kg)
TV Set only 94.8 lb. (43 kg)
Note:
·
Design and Specifications are subject to change without notice. Mass and Dimensions shown are approximate.
CONTENTS
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TH-50PZ77U