Read Panasonic TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES Service Manual online
2005
TH-50PHD8BK
TH-50PHD8BS
TH-50PHD8EK
TH-50PHD8ES
TH-50PHD8BS
TH-50PHD8EK
TH-50PHD8ES
GPH8D Chassis
High Definition Plasma Display
Specifications
Power Source
220 - 240 V AC, 50/60 Hz
Power Consumption
Normal use
395 W
Stand-by condition
Save off 0.8 W, Save on 0.6 W
Power off condition
0.3 W
Plasma Display panel
Drive method: AC type 50-inch,
16:9 aspect ratio
Contrast Ratio
3000:1
Screen size
1,106 mm (W) × 622 mm (H) × 1,269 mm (diagonal)
(No. of pixels)
1,049,088 (1,366 (W) × 768 (H) [4,098 × 768 dots]
Operating condition
Temperature
32 °F - 104 °F (0 °C - 40 °C)
Humidity
20 % - 80 %
Applicable signals
Color System
NTSC, PAL, PAL60, SECAM, Modified NTSC
Scanning format
525 (480) / 60i 60p, 625 (575) / 50i 50p, 750 (720) / 60p 50p, 1125 (1080) / 60i 50i 24p 25p
30p 24sF .... SMPTE274M, 1250 (1080) / 50i
30p 24sF .... SMPTE274M, 1250 (1080) / 50i
PC signals
VGA, SVGA, XGA,
SXGA, UXGA ..... (compressed)
Horizontal scanning frequency 15 - 110 kHz
Vertical scanning frequency 48 - 120 Hz
Connection terminals
AV
VIDEO IN / OUT (BNC)
1.0 Vp-p (75-ohm or high impedance)
S VIDEO IN (MINI DIN 4PIN)
Y: 1 Vp-p (75-ohm), C: 0.286 Vp-p (75-ohm)
AUDIO IN (RCA PIN JACK × 2)
0.5 Vrms (high impedance)
PC
(HIGH-DENSITY Mini-D-SUB 15PIN)
R,G,B / 0.7 Vp-p (75-ohm)
HD, VD / 1.0 - 5.0 Vp-p (high impedance)
AUDIO IN (M3 JACK)
0.5 Vrms (high impedance)
SERIAL
EXTERNAL CONTROL TERMINAL (D-SUB 9PIN)
RS-232C COMPATIBLE
SPEAKERS (6
Ω
)
16 W [8 W + 8 W] (10 % THD)
ORDER NO.PCZ0509084C2
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 PCB Structure sheet of GPH8D chassis
8
6 Service Hint
9
7 Disassembly
10
7.1.
Removal of the Back Cover
10
7.2.
Removal of the HB-Board
10
7.3.
Removal of the Slot Block
10
7.4.
Removal of the J-Board
10
7.5.
Removal of the HX-Board
11
7.6.
Removal of the PB-Board
11
7.7.
Removal of the D-Board
11
7.8.
Removal of the P-Board
12
7.9.
Removal of the H3-Board
12
7.10. Removal of the SU-Board and the SD-Board
12
7.11. Removal of the SC-Board
13
7.12. Removal of the SS2-Board and the SS3-Board
13
7.13. Removal of the SS-Board
13
7.14. Removal of the C1, C2, C3, C4, C5 and the C6-Board 14
7.15. Removal of the S1-Board
15
7.16. Removal of the Fan
16
7.17. Removal of the Escutcheon
16
7.18. Removal of the V1-Board and V2-Board
17
7.19. Removal of the Plasma Panel
17
8 Location of Lead Wiring
21
9 Adjustment Procedure
23
9.1.
Driver Set-up
23
9.2.
Initialization Pulse Adjust
24
9.3.
P.C.B. (Printed Circuit Board) Remove
24
9.4.
Adjustment Volume Location
25
9.5.
Test Point Location
25
10 Service mode
26
10.1. CAT (computer Aided Test) mode
26
10.2. IIC mode structure (following items value is sample data.)
28
11 Alignment
29
11.1. PC / RGB panel white balance
29
11.2. HD / 525ip / 625ip panel white balance
31
12 Trouble shooting guide
33
12.1. Self Check
33
12.2. No Power
34
12.3. No Picture
34
12.4. Local screen failure
35
13 Option Setting
36
14 Circuit Board Layout
39
14.1. P-Board
39
14.2. PB-Board
42
14.3. HB-Board
43
14.4. HX-Board
44
14.5. J-Board
45
14.6. D-Board
47
14.7. C1-Board
49
14.8. C2-Board
50
14.9. C3-Board
51
14.10. C4-Board
52
14.11. C5-Board
53
14.12. C6-Board
54
14.13. SC-Board
55
14.14. SU-Board
58
14.15. SD-Board
59
Accessories Supplied
Remote Control Transmitter
EUR7636070R or EUR7636090R
Batteries
2 × R6 Size
Fixing bands
(TMME203 or TMME187) × 2
Dimensions (W × H × D)
1,210 mm × 724 mm × 95 mm
(exclusive of protruding portion)
Mass (weight)
main unit only
approx. 43.0 kg net
with speakers
approx. 47.0 kg
Notes:
·
Design and specifications are subject to change without notice. Mass and dimensions shown are approximate.
·
This equipment complies with the EMC standards listed below. EN55022, EN55024, EN61000-3-2, EN61000-3-3.
CONTENTS
Page
Page
2
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
14.16. SS, SS2 and SS3-Board
60
14.17. H3, S1, V1 and V2-Board
62
15 Schematic Diagrams
63
15.1. Schematic Diagram Notes
63
15.2. Main Block Diagram
64
15.3. P-Board Block Diagram
65
15.4. P-Board (1 of 2) Schematic Diagram
66
15.5. P-Board (2 of 2) Schematic Diagram
67
15.6. PB-Board Block and Schematic Diagram
68
15.7. HB-Board Block Diagram
69
15.8. HB-Board (1 of 2) Schematic Diagram
70
15.9. HB-Board (2 of 2) Schematic Diagram
71
15.10. HX-Board Block and Schematic Diagram
72
15.11. J-Board (1 of 2) and H3-Board Block Diagram
73
15.12. J-Board (2 of 2) Block Diagram
74
15.13. J-Board (1 of 4) and H3-Board Schematic Diagram
75
15.14. J-Board (2 of 4) Schematic Diagram
76
15.15. J-Board (3 of 4) Schematic Diagram
77
15.16. J-Board (4 of 4) Schematic Diagram
78
15.17. D-Board (1 of 2) Block Diagram
79
15.18. D-Board (2 of 2) Block Diagram
80
15.19. D-Board (1 of 12) Schematic Diagram
81
15.20. D-Board (2 of 12) Schematic Diagram
82
15.21. D-Board (3 of 12) Schematic Diagram
83
15.22. D-Board (4 of 12) Schematic Diagram
84
15.23. D-Board (5 of 12) Schematic Diagram
85
15.24. D-Board (6 of 12) Schematic Diagram
86
15.25. D-Board (7 of 12) Schematic Diagram
87
15.26. D-Board (8 of 12) Schematic Diagram
88
15.27. D-Board (9 of 12) Schematic Diagram
89
15.28. D-Board (10 of 12) Schematic Diagram
90
15.29. D-Board (11 of 12) Schematic Diagram
91
15.30. D-Board (12 of 12) Schematic Diagram
92
15.31. C1, C2, C5 and C6-Board Block Diagram
93
15.32. C3 and C4-Board Block Diagram
94
15.33. C1-Board (1 of 2) Schematic Diagram
95
15.34. C1-Board (2 of 2) Schematic Diagram
96
15.35. C2-Board (1 of 2) Schematic Diagram
97
15.36. C2-Board (2 of 2) Schematic Diagram
98
15.37. C3-Board (1 of 2) Schematic Diagram
99
15.38. C3-Board (2 of 2) Schematic Diagram
100
15.39. C4-Board (1 of 2) Schematic Diagram
101
15.40. C4-Board (2 of 2) Schematic Diagram
102
15.41. C5-Board (1 of 2) Schematic Diagram
103
15.42. C5-Board (2 of 2) Schematic Diagram
104
15.43. C6-Board (1 of 2) Schematic Diagram
105
15.44. C6-Board (2 of 2) Schematic Diagram
106
15.45. SC-Board Block Diagram
107
15.46. SC-Board (1 of 2) Schematic Diagram
108
15.47. SC-Board (2 of 2) Schematic Diagram
109
15.48. SU-Board Block Diagram
110
15.49. SU-Board (1 of 2) Schematic Diagram
111
15.50. SU-Board (2 of 2) Schematic Diagram
112
15.51. SD-Board Block Diagram
113
15.52. SD-Board (1 of 2) Schematic Diagram
114
15.53. SD-Board (2 of 2) Schematic Diagram
115
15.54. SS, SS2 and SS3-Board Block Diagram
116
15.55. SS-Board (1 of 2), SS2 and SS3-Board Schematic
Diagram
117
15.56. SS-Board (2 of 2) Schematic Diagram
118
15.57. S1, V1 and V2-Board Block and Schematic Diagram
119
16 Parts Location
121
16.1. Exploded View
121
16.2. Cable relation
123
16.3. Packing summary
124
17 Mechanical Replacement Parts List
126
18 Replacement Parts List
127
18.1. Relpacement Parts List Notes
127
18.2. Electrical Replacement Parts List
128
3
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
1 Applicable signals
4
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES