Panasonic TH-42PD50U Service Manual ▷ View online
TH-42PD50U
GP8DU Chassis
Digital Progressive Wide Plasma Television
Specifications
Power Source
AC 120 V, 50/60 Hz
Power Consumption
Maximum : 390 W
Stand-by condition : 0.6 W
Plasma Display panel
Drive method : AC type 42-inch, 16 : 9 aspect ratio
Screen Size
Approx. 36
7
/
32
" (920mm) (W) × 20
25
/
64
“ (518 mm) (H) × 41
37
/
64
“ (1056 mm) (diagonal)
Dimensions ( W × H × D )
Approx. 42
3
/
64
“ (1068 mm) × 27
39
/
64
“ (701 mm) × 3
51
/
64
“ (96.5 mm)
Mass (Weight)
72.8 lb. (33.0 kg) Net
Channel Capability-
ATSC/NTSC
ATSC/NTSC
VHF/ UHF : 2-69, CATV:1-135
Sound
Speaker
4
23
/
32
“ (120 mm) × 2
23
/
64
“ (60 mm) × 2 pcs 6
W
Audio Output
16 W [ 8 W + 8 W ] ( 10 % THD )
FEATURES
3D Y/C FILTER
HDMI
CLOSED CAPTION
V-Chip
Accessories Supplied
Remote control: EUR7627Z60
F-type antenna adapter (5C-2V × 1)
AA Battery × 2
AC Cord
Pedestal
Cable clamper × 2
Operating Conditions
Temperature : 34 °F - 104 °F (0 ° - 40 °C)
Humidity : 20 % - 80 % (non-condensing)
Connection Terminals
AV INPUT 1- 2
VIDEO
1.0 Vp-p (75
W)
(Phono Jack Type)
S-VIDEO
Y : 1.0 Vp-p (75
W), C : 0.286 Vp-p (75 W)
(Mini DIN 4-pin)
AUDIO L-R
0.5 Vrms
(Phono Jack Type × 2)
AV PROG. OUT
VIDEO
1.0 Vp-p (75
W)
(Phono Jack Type)
ORDER NO. ITD0503007CE
B19 Canada: B07
1 Applicable signals
4
2 Safety Precautions
5
2.1.
General Guidelines
5
3 Prevention of Electro Static 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 P-Board.
9
6.3.
Remove the PB-Board
9
6.4.
Remove the D-Board
9
6.5.
Remove the rear terminal cover
10
6.6.
Remove the metal frame
10
6.7.
Remove the DT-Board and DV-Board
10
6.8.
Remove the DG-Board
11
6.9.
Remove the H-Board
11
6.10. Remove the PA-Board
11
6.11. Remove the Z-Board
11
6.12. Remove the SU-Board
12
6.13. Remove the SD-Board
12
6.14. Remove the SC-Board
12
6.15. Remove the SS-Board
13
6.16. Remove the C1-Board
13
6.17. Remove the C2-Board
13
6.18. Remove the K-Board
14
6.19. Remove the S-Board
14
6.20. Remove the Speaker L, R
14
6.21. Remove the Plasma panel section from the Front frame
(glass)
15
6.22. Replace the plasma panel (finished).
15
7 Location of Lead Wiring
16
7.1.
Lead of Wiring (1)
16
7.2.
Lead of Wiring (2)
17
7.3.
Lead of Wiring (3)
18
8 Self-check Function
19
8.1.
How to access
19
8.2.
Power LED Blinking timing chart
20
8.3.
No Power
21
8.4.
No Picture
22
8.5.
Local screen failure
23
9 Serviceman Mode
24
9.1.
How to enter into Serviceman Mode
24
9.2.
Cancellation
24
9.3.
Contents of adjustment mode
24
9.4.
Option
25
10 Adjustment Procedure
26
10.1. Driver Set-up
26
10.2. Initialization Pulse Adjust
27
10.3. P.C.B. (Printed Circuit Board) exchange
28
10.4. Adjustment Volume Location
28
10.5. Test Point Location
28
11 Hotel mode
29
12 Conductor View
31
12.1. P-Board
31
12.2. PA-Board
34
12.3. PB-Board
35
12.4. H-Board
36
12.5. DT-Board
38
12.6. DV-Board
40
12.7. DG-Board
41
12.8. Z-Board
43
12.9. D-Board
44
12.10. C1-Board
47
AUDIO L-R
0.5 Vrms
(Phono Jack Type × 2)
COMPONENT VIDEO
Y
1.0 Vp-p (including synchronization)
INPUT1-2
P
B
/P
R
± 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)
DIGITAL AUDIO OUT
PCM / Dolby Digital, Fiber Optic
Note:
Design and Specifications are subject to change without notice. Weight and Dimensions shown are approximate.
CONTENTS
Page
Page
2
TH-42PD50U
12.11. C2-Board
48
12.12. SC-Board
49
12.13. SU-Board
52
12.14. SD-Board
53
12.15. SS-Board
54
12.16. K and S-Board
56
13 Block and Schematic Diagram
57
13.1. Schematic Diagram Notes
57
13.2. Main Block Diagram
58
13.3. P-Board Block Diagram
59
13.4. P-Board (1 of 6) Schematic Diagram
60
13.5. P-Board (2 of 6) Schematic Diagram
61
13.6. P-Board (3 of 6) Schematic Diagram
62
13.7. P-Board (4 of 6) Schematic Diagram
63
13.8. P-Board (5 of 6) Schematic Diagram
64
13.9. P-Board (6 of 6) Schematic Diagram
65
13.10. PA and PB-Board Block Diagram
66
13.11. PA-Board Schematic Diagram
67
13.12. PB-Board Schematic Diagram
68
13.13. H, K, S and Z-Board Block Diagram
69
13.14. H Board (1 of 3) Schematic Diagram
70
13.15. H-Board (2 of 3) Schematic Diagram
71
13.16. H-Board (3 of 3) Schematic Diagram
72
13.17. Z-Board Schematic Diagram
73
13.18. K and S-Board Schematic Diagram
74
13.19. DT-Board Block Diagram
75
13.20. DT-Board (1 of 4) Schematic Diagram
76
13.21. DT-Board (2 of 4) Schematic Diagram
77
13.22. DT-Board (3 of 4) Schematic Diagram
78
13.23. DT-Board (4 of 4) Schematic Diagram
79
13.24. DV-Board Block Diagram
80
13.25. DV-Board Schematic Diagram
81
13.26. DG-Board (1 of 2) Block Diagram
82
13.27. DG-Board (2 of 2) Block Diagram
83
13.28. DG-Board (1 of 11) Schematic Diagram
84
13.29. DG-Board (2 of 11) Schematic Diagram
85
13.30. DG-Board (3 of 11) Schematic Diagram
86
13.31. DG-Board (4 of 11) Schematic Diagram
87
13.32. DG-Board (5 of 11) Schematic Diagram
88
13.33. DG-Board (6 of 11) Schematic Diagram
89
13.34. DG-Board (7 of 11) Schematic Diagram
90
13.35. DG-Board (8 of 11) Schematic Diagram
91
13.36. DG-Board (9 of 11) Schematic Diagram
92
13.37. DG-Board (10 of 11) Schematic Diagram
93
13.38. DG-Board (11 of 11) Schematic Diagram
94
13.39. D-Board Block Diagram
95
13.40. D-Board (1 of 6) Schematic Diagram
96
13.41. D-Board (2 of 6) Schematic Diagram
97
13.42. D-Board (3 of 6) Schematic Diagram
98
13.43. D-Board (4 of 6) Schematic Diagram
99
13.44. D-Board (5 of 6) Schematic Diagram
100
13.45. D-Board (6 of 6) Schematic Diagram
101
13.46. C1 and C2-Board Block Diagram
102
13.47. C1-Board (1 of 2) Schematic Diagram
103
13.48. C1-Board (2 of 2) Schematic Diagram
104
13.49. C2-Board (1 of 2) Schematic Diagram
105
13.50. C2-Board (2 of 2) Schematic Diagram
106
13.51. SC-Board Block Diagram
107
13.52. SC-Board (1 of 2) Schematic Diagram
108
13.53. SC-Board (2 of 2) Schematic Diagram
109
13.54. SU-Board Block Diagram
110
13.55. SU-Board Schematic Diagram
111
13.56. SD-Board Block Diagram
112
13.57. SD-Board Schematic Diagram
113
13.58. SS-Board Block Diagram
114
13.59. SS-Board Schematic Diagram
115
14 Parts Location & Mechanical Replacement Parts List
117
14.1. Parts Location
117
14.2. Pcaking Exploded Views (1)
118
14.3. Pcaking Exploded Views (2)
119
14.4. Pcaking Exploded Views (3)
120
14.5. Mechanical Replacement Parts List
121
15 Replacement Parts List
122
15.1. Replacement Parts List Notes
122
15.2. Electrical Replacement Parts List
123
3
TH-42PD50U
1 Applicable signals
4
TH-42PD50U