DOWNLOAD LG 22LH20R (CHASSIS:LP91A) Service Manual ↓ Size: 4.02 MB | Pages: 30 in PDF or view online for FREE

Model
22LH20R (CHASSIS:LP91A)
Pages
30
Size
4.02 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
22lh20r-chassis-lp91a.pdf
Date

LG 22LH20R (CHASSIS:LP91A) Service Manual ▷ View online

- 6 -
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
4. Electrical specification
4.1 General Specification
1. Application range
This spec sheet is applied to LCD TV used LP91A chassis.
2. Specification
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 specification
- EMC : CE, IEC
No
Item Specification
Measurement
Remark
1
Screen Size
22” wide Color Display Module
Resolution: 1366*768
2
Aspect Ratio
16:9
3
LCD Module
22” TFT WXGA LCD
4
Operating Environment  Temp.: 0 ~ 40 deg
Humidity : 0 ~ 80 %
5
Storage Environment 
Temp.: -20 ~ 60 deg
Humidity : 0~ 85 %
6
Input Voltage 
AC100-240V~, 50/60Hz
65 W
22” HD
7
LDC Module
HD
626 x 373 x 44.1
with inverter
(Maker : LGD)
0.1405 x 0.4215
12 EEFL
Coating
3H
No.
Item Min.
Typ.
Max.
Unit
Maker
Remark
1.
Luminance
280
350
cd/m2
(W/O PC mode)
2.
VIew angle (R/L, U/D)
178 / 178
degree
CR > 10
3.
Color Coordinates
White
Wx
Typ 
0.285
Typ 
LGD  22”(HD)
Wy
-0.03
0.293
+0.03
LC220WXE-TBA1
RED
Xr
0.642
Yr
0.333
Green
Xg 0.295
Yg 0.608
Blue
Xb 0.147
Yb
0.063
4.
Contrast ratio
700:1
1000:1
LGD 22”(HD)
5. Luminance 
Variation 
1.3
- 7 -
5. Chroma& Brightness (Optical)
5.1. LCD Module
the Color Coordinates check condition 
- 50cm from the surface, Full White Pattern
- Picture mode Vivid
8. Component Video Input (Y, P
B
, P
R
)
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1
720* 480 
15.73 
59.94 
13.500 
SDTV, DVD 480I( 525I)
720* 480 
15.75 
60.00 
13.514 
SDTV, DVD 480I( 525I)
3
720* 576 
15.625 
50.00 
13.500 
SDTV, DVD 576I( 625I) 50Hz
4 720* 
480 
31.47
59.94
27.000 
SDTV 
480P
5 720* 
480 
31.50 
60.00 
27.027 
SDTV 
480P
720* 576 
31.25 
50.00 
27.000 
SDTV 576P 50Hz
1280* 720 
44.96 
59.94 
74.176 
HDTV 720P
1280* 720 
45.00 
60.00 
74.250 
HDTV 720P
1280* 720 
37.50 
50.00 
74.25 
HDTV 720P 50Hz
10 
1920* 1080 
28.125 
50.00 
74.250 
HDTV 1080I 50Hz,
11 
1920* 1080 
33.72 
59.94 
74.176 
HDTV 1080I
12 
1920* 1080 
33.75 
60.00 
74.25 
HDTV 1080I
13 1920* 
1080 
56.25 
50 
148.5 
HDTV 
1080P
14 1920* 
1080 
67.432 
59.94 
148.350 
HDTV 
1080P
15 1920* 
1080 
67.5 
60.00 
148.5 
HDTV 
1080P
- 8 -
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
1 640* 
350 
31.468 
70.09 
25.17  EGA
2 720* 
400 
31.469 
70.09 
28.32  DOS
640* 480 
31.469 
59.94 
25.17 
VESA( VGA)
4 800* 
600 
37.879 
60.317 
40 
VESA( 
SVGA)
1024* 768 
48.363 
60.004 
65 
VESA( XGA)
6
1280* 768 
47.776 
59.87 
79.5 
VESA( WXGA)
1360* 768 
47.72 
59.799 
84.75 
VESA( WXGA)
1280* 1024 
63.668 
59.895 
109.00 
XGA 
Only FHD Model
1920* 1080 
66.587 
59.934 
138.50 
WUXGA(Reduced Blanking) 
Only FHD Model
9. RGB 
9.1 Analog PC, RGB- DTV –NOT SUPPORT 
10. HDMI Input 
10.1 PC –Spec. out but it can be shown the picture at only HDMI/ DVI IN 1 via DVI to HDMI Cable)  
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remark
640 x 480 
31.469 
59.94 
25.17 
VESA( VGA)
800 x 600 
37.879 
60.317 
40.00 
VESA( SVGA)
1024 x 768
48.363 
60.004 
65.00 
VESA( XGA)
1280 x 768 
47.776 
59.87 
79.5
VESA( WXGA)
1360 x 768 
47.72 
59.799 
84.62 
VESA( WXGA) 
1366 x 768
47.7 
60.00 
84.62 
WXGA
1280 x 1024 
63.595 
60.00 
108.875 
SXGA
8
1920 x 1080 
66.647 
59.988 
138.625 
WUXGA
10.2 DTV Mode
No
Specification
Remark
Resolution
H-freq(kHz)
V-freq(Hz)
Pixel Clock(MHz)
720 x 480 
15.73 
59.94 
13.500 
SDTV, DVD 480I(525I)
720 x 480 
15.75 
60.00 
13.514 
SDTV, DVD 480I(525I)
Spec. out
720 x 576 
15.625 
50.00 
13.500 
SDTV, DVD 576I(625I) 50Hz  
but display.
720 x 480
31.47 
59.94
27 
SDTV 480P
720 x 480 
31.5 
60.00 
27.027 
SDTV 480P
720 x 576 
31.25 
50.00
27 
SDTV 576P
1280 x 720
44.96 
59.94 
74.176 
HDTV 720P
1280 x 720 
45 
60.00 
74.25 
HDTV 720P
1280 x 720 
37.5 
50.00 
74.25 
HDTV 720P
10 
1920 x 1080
28.125 
50.00 
74.25 
HDTV 1080I
11
1920 x 1080
33.72 
59.94 
74.176 
HDTV 1080I
12
1920 x 1080 
33.75 
60.00 
74.25
HDTV 1080I
13 
1920 x 1080 
56.25
50.00 
148.5 
HDTV 1080P
14
1920 x 1080 
67.432
59.94 
148.350 
HDTV 1080P
15 
1920 x 1080 
67.5 
60.00 
148.5
HDTV 1080P
16 
1920 x 1080 
27 
24.00 
74.25 
HDTV 1080P
17 
1920 x 1080
33.75 
30.00 
74.25 
HDTV 1080P
1) Gap between Front Frame /Back cover and Middle Cabinet
2) Gap between Front Frame /Middle Cabinet
- 9 -
Top View 
Back Cover
Front Frame
Middle Cabinet
"b
"b
Gap  b  between Front Frame (Back cover) and Middle Cabinet
-> 0 †  b  †  B  (Side gap)
Gap  a  between Front Frame and Middle Cabine
-> 0 †  a  †  A  (Side gap)
"b
"a
Gap  a  between Front Frame and Middle Cabine
-> 0 †  a  †  A  (Left/ Right gap)
3) Gap between Back Cover and Side AV
Back View
Side View
Side AV
Back Cover
Gap  f   between Back Cover and Side AV
-> 0 † f  † 1.0
Gap  g  between Back Cover and Side AV
-> 0  †  g  † 1.0
11. Mechical spec. 
No Item 
Min 
Typ 
Max 
Unit 
1. 
C/ A + B/ C top gap 
0.5 
1.5
mm
2. 
C/ A + B/ C side gap
0.5 
1.5 
mm
3. 
C/ A + Deco Front gap( ONE SIDE). 
0.8 
1.2 
mm
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