LG 55LH40 / 55LH41 / 55LH400С (CHASSIS:LA92B) Service Manual ▷ View online
- Contrast ratio measure specification
1) Test display signal :30*30 dots White Window signal &all Black Raster signal
2) Dark room measure condition: Using touch type Color analyzer CA-210 Dark room in the non outside light
3) Bright room measure condition: In bright room of 150Lx illumination in the panel surface, locate a source of light on the above
1) Test display signal :30*30 dots White Window signal &all Black Raster signal
2) Dark room measure condition: Using touch type Color analyzer CA-210 Dark room in the non outside light
3) Bright room measure condition: In bright room of 150Lx illumination in the panel surface, locate a source of light on the above
45º of the panel surface.
4) Measure method
• In standard test condition,impress 30*30 dots White Window Pattern signal .
• In standard test condition,impress 30*30 dots White Window Pattern signal .
Measure center peak brightness degree Lw of white window
• Impress black Raster signal as contrast ratio measurement signal.
Measure black brightness degree Lb of PDP central
Calculate the following numerical formula.
Contrast ratio =Lw /Lb
Calculate the following numerical formula.
Contrast ratio =Lw /Lb
If it does not use Prior measurement, use generally simple test measurement. The Correct measure specification is followed
by IEC61988-2/CD,JAPAN EIAJ-2710
by IEC61988-2/CD,JAPAN EIAJ-2710
- 9 -
C
2009
A: H/ 4mm
B: V/ 4mm
@ H,V: Active Area
B: V/ 4mm
@ H,V: Active Area
8. Component Video Input (Y, C
B
/P
B
, C
R
/P
R
)
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1.
720*480
15.73
60
13.5135
SDTV ,DVD 480I
2.
720*480
15.73
59.94
13.5
SDTV ,DVD 480I
3.
720*480
31.47
60
27.027
SDTV 480P
4.
720*480
31.47
59.94
27.0
DTV 480P
5.
1280*720
45.00
60.00
74.25
HDTV 720P
6.
1280*720
44.96
59.94
74.176
HDTV 720P
7.
1920*1080
33.75
60.00
74.25
HDTV 1080I
8.
1920*1080
33.72
59.94
74.176
HDTV 1080I
9.
1920*1080
67.500
60
148.50
HDTV 1080P
10.
1920*1080
67.432
59.939
148.352
HDTV 1080P
11.
1920*1080
27.000
24.000
74.25
HDTV 1080P
12.
1920*1080
26.97
23.94
74.176
HDTV 1080P
13.
1920*1080
33.75
30.000
74.25
HDTV 1080P
14.
1920*1080
33.71
29.97
74.176
HDTV 1080P
- 10 -
C
2009
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
DDC
1.
640*350
31.468
70.09
25.17
EGA
X
2.
720*400
31.469
70.08
28.32
DOS
O
3.
640*480
31.469
59.94
25.17
VESA(VGA)
O
4.
800*600
37.879
60.31
40.00
VESA(SVGA)
O
5.
1024*768
48.363
60.00
65.00
VESA(XGA)
O
6.
1280*768
47.776
59.870
79.5
CVT(WXGA)
X
7.
1360*768
47.712
60.015
85.50
VESA (WXGA)
X
8.
1366*768
47.13
59.65
72
VESA(WXGA)
X
9.
1280*1024
63.981
60.020
108.00
VESA (SXGA)
O
10.
1600*1200
75.00
60.00
162
VESA (UXGA)
O
11.
1920*1080
66.587
59.934
148.5
HDTV 1080P
O
9. RGB
9
.1 PC INPUT
10. HDMI Input (PC/DTV)
10.1 PC Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1
640*350
31.468
70.09
25.17
EGA
2
720*400
31.469
70.08
28.32
DOS
3
640*480
31.469
59.94
25.17
VESA(VGA)
4
800*600
37.879
60.31
40.00
VESA(SVGA)
5
1024*768
48.363
60.00
65.00
VESA(XGA)
6
1280*768
47.776
59.870
79.5
CVT(WXGA)
7
1360*768
47.712
60.015
85.50
VESA (WXGA)
8
1280*1024
63.981
60.020
108.00
VESA (SXGA)
9
1600*1200
75.00
60.00
162
VESA (UXGA)
10
1920*1080
7.5
60
148.5
HDTV 1080P
10.2 DTV Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1
720*480
31.47
60
27.027
SDTV 480P
2
720*480
31.47
59.94
27.00
SDTV 480P
3
1280*720
45.00
60.00
74.25
HDTV 720P
4
1280*720
44.96
59.94
74.176
HDTV 720P
5
1920*1080
33.75
60.00
74.25
HDTV 1080I
6
1920*1080
33.72
59.94
74.176
HDTV 1080I
71920*1080
67
.500
60
148.50
HDTV 1080P
8
1920*1080
67.432
59.939
148.352
HDTV 1080P
9
1920*1080
27.000
24.000
74.25
HDTV 1080P
10
1920*1080
26.97
23.94
74.176
HDTV 1080P
11
1920*1080
33.75
30.000
74.25
HDTV 1080P
12
1920*1080
33.71
29.97
74.176
HDTV 1080P
- 11 -
C
2009
11. EDID(The Extended Display Identification Data)
/ DDC(Display Data Channel) download
/ DDC(Display Data Channel) download
11.1 Overview
It is a VESA regulation. A PC or a MNT will display an optimal resolution through information sharing without any necessity of user
input. It is a realization of “Plug and Play”. Equpment
input. It is a realization of “Plug and Play”. Equpment
11.2 Equipment
• Adj. R/C
• Since embedded EDID data is used, EDID download jig, HDMI cable and D-sub cable are not need.
• Since embedded EDID data is used, EDID download jig, HDMI cable and D-sub cable are not need.
11.3 Download method
Press Adj. key On the Adj. R/C, press Adj. key then select EDID D/L. By pressing Enter key, EDID download will begin.
1) If Download is successful, OK is displayed.
2) If Download is a failure, NG is displayed.
3) Re-try download.
2) If Download is a failure, NG is displayed.
3) Re-try download.
11.4 EDID Data
• Reference: Download is only possible in POWER ON MODE.
• RGB [C/S: 36FF]
EDID Block 0, Bytes 0-127 [00H-7FH]
Block Type: EDID 1.3
Block Type: EDID 1.3
• HDMI I [C/S: 1BCA]
EDID Block 0, Bytes 0-127 [00H-7FH]
Block Type: EDID 1.3
Block Type: EDID 1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type: CEA EDID Timing Extension Version3
Block Type: CEA EDID Timing Extension Version3
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
02
00
01
01
01
01
10
01
13
01
03
68
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
A9
40
81
80
61
40
45
40
31
40
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
39
60
3F
1F
52
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
00
36
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
02
00
01
01
01
01
10
03
13
01
03
80
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
A9
40
81
80
61
40
45
40
31
40
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
39
60
3F
1F
52
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
01
1B
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
02
03
1F
F1
47
90
22
20
05
04
03
02
26
15
07
50
10
09
07
07
67
03
0C
00
10
00
B8
2D
E3
05
03
01
02
20
3A
80
18
71
38
2D
40
58
2C
04
05
7E
8A
42
00
00
30
1E
01
1D
80
18
71
1C
16
20
58
2C
25
00
7E
8A
42
40
00
00
9E
01
1D
00
72
51
D0
1E
20
6E
28
55
00
7E
50
8A
42
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
60
00
7E
8A
42
00
00
18
26
36
80
A0
70
38
1F
40
30
70
20
25
00
7E
8A
42
00
00
1A
00
00
00
00
00
00
9A
C
2009
- 12 -
• HDMI II [C/S: 1BBA]
EDID Block 0, Bytes 0-127 [00H-7FH]
Block Type: EDID 1.3
Block Type: EDID 1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type: CEA EDID Timing Extension Version3
Block Type: CEA EDID Timing Extension Version3
• HDMI III [C/S: 1BAA]
EDID Block 0, Bytes 0-127 [00H-7FH]
Block Type: EDID 1.3
Block Type: EDID 1.3
EDID Block 1, Bytes 128-255 [80H-FFH]
Block Type: CEA EDID Timing Extension Version3
Block Type: CEA EDID Timing Extension Version3
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
02
00
01
01
01
01
10
03
13
01
03
80
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
A9
40
81
80
61
40
45
40
31
40
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
39
60
3F
1F
52
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
01
1B
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
02
03
1F
F1
47
90
22
20
05
04
03
02
26
15
07
50
10
09
07
07
67
03
0C
00
10
00
B8
2D
E3
05
03
01
02
20
3A
80
18
71
38
2D
40
58
2C
04
05
7E
8A
42
00
00
30
1E
01
1D
80
18
71
1C
16
20
58
2C
25
00
7E
8A
42
40
00
00
9E
01
1D
00
72
51
D0
1E
20
6E
28
55
00
7E
50
8A
42
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
60
00
7E
8A
42
00
00
18
26
36
80
A0
70
38
1F
40
30
70
20
25
00
7E
8A
42
00
00
1A
00
00
00
00
00
00
9A
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
02
03
1F
F1
47
90
22
20
05
04
03
02
26
15
07
50
10
09
07
07
67
03
0C
00
30
00
B8
2D
E3
05
03
01
02
20
3A
80
18
71
38
2D
40
58
2C
04
05
7E
8A
42
00
00
30
1E
01
1D
80
18
71
1C
16
20
58
2C
25
00
7E
8A
42
40
00
00
9E
01
1D
00
72
51
D0
1E
20
6E
28
55
00
7E
50
8A
42
00
00
1E
8C
0A
D0
8A
20
E0
2D
10
10
3E
96
60
00
7E
8A
42
00
00
18
26
36
80
A0
70
38
1F
40
30
70
20
25
00
7E
8A
42
00
00
1A
00
00
00
00
00
00
9A
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
00
FF
FF
FF
FF
FF
FF
00
1E
6D
02
00
01
01
01
01
10
03
13
01
03
80
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
A9
40
81
80
61
40
45
40
31
40
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
7E
8A
42
00
00
1E
01
1D
00
72
51
D0
1E
20
50
6E
28
55
00
7E
8A
42
00
00
1E
00
00
00
FD
00
39
60
3F
1F
52
10
00
0A
20
20
20
20
20
20
00
00
00
FC
70
00
4C
47
20
54
56
0A
20
20
20
20
20
20
20
01
1B
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