DOWNLOAD LG 22LH250C (CHASSIS:LD91Z) Service Manual ↓ Size: 6.95 MB | Pages: 76 in PDF or view online for FREE

Model
22LH250C (CHASSIS:LD91Z)
Pages
76
Size
6.95 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
22lh250c-chassis-ld91z.pdf
Date

LG 22LH250C (CHASSIS:LD91Z) Service Manual ▷ View online

- 6 -
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 LD91Z 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)
* 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.
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 
- Safety: CE, IEC/EN60065
- EMC:CE, IEC 
No.
Item Specification
Remark
1
Screen Device
22” wide color display module
LCD
2
Aspect Ratio
16:9
3
LCD Module 
22” TFT LCD HD 
LGD/AUO/CMO
4
Storage Environment 
Temp. : -20 ~ 60 deg
Humidity : 10 ~ 90 %
5
Input Voltage 
AC100-240V~, 50/60Hz
6
Power Consumption
LGD
Typ : 26.05W
LCD(Module) + Backlight(Lamp)
AUO
Typ : 29.27W, Max : 32.425W
7
Module Size
501 (H) x 297 (V) x 17.3 (D)
8
Pixel Pitch
LGD
0.1165(H) x 0.3495(V) x RGB
AUO/CMO
0.1165(H) x 0.3495(V)
9
Back Light
CCFL
10
Display Colors
1.06Billion(FHD LGD),16.7M (others)
11
Coating
3H, AG
5. Module optical specification
(1) LGD
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±2°C, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
(2) AUO
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±2°C, 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
170(55)
Degree
2.
Luminance Luminance 
(cd/m
2
)
280
350
Variation -
1.3 
MAX/ 
MIN
3.
Contrast Ratio 
CR 
700
1000
4.
CIE Color Coordinates   
White 
Wx
0.285 
Wy 0.293
Typ 
RED Xr
0.642
±0.03
Yr
0.333
Green Xg
0.295
Yg
0.608
Blue Xb
0.147
Yb
0.063
- 7 -
No.
Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle [CR>10]
Right/Left/Up/Down
176
Degree
2.
Luminance Luminance 
(cd/m
2
)
300
350
Variation -
1.3 
MAX/ 
MIN
3.
Contrast Ratio 
CR 
1600
2000
4.
CIE Color Coordinates   
White 
Wx
0.295 
Wy 0.305
Typ 
RED Xr
0.640
±0.03
Yr
0.330
Green Xg
0.290
Yg
0.600
Blue Xb
0.150
Yb
0.060
(3) CMO
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±2°C, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%
- 8 -
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.
Item Specification
Min.
Typ.
Max.
Remark
1.
Viewing Angle [CR>10]
Right/Left(Up/Down)
170(160)
Degree
2.
Luminance Luminance 
(cd/m
2
)
300
400
Variation -
1.3 
MAX/ 
MIN
3.
Contrast Ratio 
CR 
600
800
4.
CIE Color Coordinates   
White 
Wx
0.285 
Wy 0.293
Typ 
RED Xr
0.644
±0.03
Yr
0.331
Green Xg
0.273
Yg
0.588
Blue Xb
0.151
Yb
0.061
- 9 -
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
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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