LG 37LH4900 (CHASSIS:LD91B) Service Manual ▷ View online
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SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
4. Electrical specification
- Module General Specification
1. Application range
This specification is applied to the LCD TV used LD91B
chassis.
chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature : 25±5ºC (77±9ºF), CST : 40±5ºC
2) Relative Humidity : 65±10%
3) Power Voltage : Standard input voltage (100-240V@50/60Hz)
2) Relative Humidity : 65±10%
3) Power Voltage : Standard input voltage (100-240V@50/60Hz)
* Standard Voltage of each products is marked by models.
4) Specification and performance of each parts are followed
each drawing and specification by part number in
accordance with BOM.
accordance with BOM.
5) The receiver must be operated for about 5 minutes prior to
the adjustment.
3. Test method
1) Performance: LGE TV test method followed
2) Demanded other specification
2) Demanded other specification
- Safety: CE, IEC/EN60065
- EMC:CE, IEC
- EMC:CE, IEC
No
Item Specification
Remark
1
Screen Device
37” wide color display module
LCD
2
Aspect Ratio
16:9
3
LCD Module
37” TFT LCD FHD 100Hz SCAN
LGD
4
Storage Environment
Temp. : -20 ~ 60 deg
Humidity : 10 ~ 90 %
5
Input Voltage
AC100-240V~, 50/60Hz
6
Power Consumption
Typ : 132.68W, Max : 142.68W
7
Module Size
877.0 (H) x 516.8 (V) x 55.5 (D)
Without inverter
8
Pixel Pitch
0.42675 mm(D)
9
Back Light
EEFL
10
Display Colors
1.06Billion(FHD LGD),16.7M (others)
11
Coating
3H, AG
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5. Chroma& Brightness
(1) LGD Module
1) Standard Test Condition (The unit has been ‘ON’)
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC.
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC.
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
No. Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10>
Right/Left/Up/Down
178
Degree
2.
Luminance Luminance
(cd/m
2
)
400 500
Variation -
1.3
MAX
/MIN
3.
Contrast Ratio
CR
1000
1400
4.
CIE Color Coordinates
White
Wx
0.279
Wy 0.292
Typ
RED Xr
0.639
±0.03
Yr
0.334
Green Xg
0.289
Yg
0.606
Blue Xb
0.145
Yb
0.065
(2) AUO Module
1) Standard Test Condition (The unit has been ‘ON’)
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC.
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
2) Stable for approximately 30 minutes in a dark environment at 25±2ºC.
3) The values specified are at approximate distance 50Cm from the LCD surface
4) Ta=25±2ºC, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
No. Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10>
Right/Left/Up/Down
178
Degree
2.
Luminance Luminance
(cd/m
2
)
400 500
Variation -
1.3
MAX
/MIN
3.
Contrast Ratio
CR
2000
3000
4.
CIE Color Coordinates
White
Wx
0.28
Wy 0.29
Typ
RED Xr
0.64
±0.03
Yr
0.33
Green Xg
0.29
Yg
0.60
Blue Xb
0.15
Yb
0.06
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6. Component Video Input (Y, C
B
/P
B
, C
R
/P
R
)
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
1.
720x480 15.73
60.00
SDTV,DVD
480i
2.
720x480 15.63
59.94
SDTV,DVD
480i
3.
720x480
31.47
59.94 480p
4.
720x480
31.50
60.00 480p
5.
720x576
15.625
50.00
SDTV,DVD 625 Line
6.
720x576 31.25
50.00
HDTV
576p
7.
1280x720
45.00
50.00 HDTV
720p
8.
1280x720
44.96
59.94 HDTV
720p
9.
1280x720 45.00
60.00
HDTV
720p
10.
1920x1080 31.25
50.00
HDTV
1080i
11.
1920x1080
33.75
60.00 HDTV
1080i
12.
1920x1080 33.72
59.94
HDTV
1080i
13.
1920x1080 56.250
50
HDTV
1080p
14.
1920x1080
67.5 60
HDTV
1080p
No
Specification
Proposed
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1.
720*400
31.468
70.08
28.321
For only DOS mode
2.
640*480 31.469
59.94
25.17 VESA
Input 848*480 60Hz, 852*480 60Hz
-> 640*480 60Hz Display
3.
800*600
37.879
60.31
40.00 VESA
4.
1024*768 48.363 60.00
65.00 VESA(XGA)
5.
1280*768 47.78 59.87
79.5
WXGA
6.
1360*768 47.72
59.8
84.75
WXGA
7.
1280*1024 63.595 60.0
108.875
SXGA
FHD
model
8.
1920*1080 66.587
59.93
138.625 WUXGA
FHD
model
7. RGB (PC)
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8. HDMI Input (PC/DTV)
(1) DTV Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1.
720*400 31.468
70.08
28.321
HDCP
2.
640*480 31.469
59.94
25.17
VESA HDCP
3. 800*600
37.879
60.31
40.00
VESA
HDCP
4.
1024*768
48.363
60.00 65.00
VESA(XGA)
HDCP
5.
1280*768 47.78
59.87
79.5
WXGA HDCP
6.
1360*768 47.72 59.8 84.75
WXGA HDCP
7.
1280*1024 63.595
60.0 108.875 SXGA
HDCP/FHD
model
8.
1920*1080 67.5
60.00
138.625 WUXGA
HDCP/FHD
model
(2) PC Mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
1.
720*480
31.469 /31.5
59.94 /60
27.00/27.03
SDTV 480P
2.
720*576 31.25
50
54
SDTV
576P
3.
1280*720 37.500
50
74.25
HDTV
720P
4.
1280*720
44.96 /45
59.94 /60
74.17/74.25
HDTV 720P
5.
1920*1080
33.72 /33.75
59.94 /60
74.17/74.25
HDTV 1080I
6.
1920*1080 28.125 50.00
74.25
HDTV
1080I
7.
1920*1080
26.97 /27
23.97 /24
74.17/74.25
HDTV 1080P
8.
1920*1080
33.716 /33.75
29.976 /30.00
74.25
HDTV 1080P
9.
1920*1080 56.250 50
148.5
HDTV
1080P
10.
1920*1080
67.43 /67.5
59.94 /60
148.35/148.50
HDTV 1080P
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