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
PREV: LG 42CL40-UA (CHASSIS:LA92B) Service Manual

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

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)
2 
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
6 
720* 576 
31.25 
50.00 
27.000 
SDTV 576P 50Hz
7 
1280* 720 
44.96 
59.94 
74.176 
HDTV 720P
8 
1280* 720 
45.00 
60.00 
74.250 
HDTV 720P
9 
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
3 
640* 480 
31.469 
59.94 
25.17 
VESA( VGA)
4 800* 
600 
37.879 
60.317 
40 
VESA( 
SVGA)
5 
1024* 768 
48.363 
60.004 
65 
VESA( XGA)
6
1280* 768 
47.776 
59.87 
79.5 
VESA( WXGA)
7 
1360* 768 
47.72 
59.799 
84.75 
VESA( WXGA)
8 
1280* 1024 
63.668 
59.895 
109.00 
XGA 
Only FHD Model
9 
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
1 
640 x 480 
31.469 
59.94 
25.17 
VESA( VGA)
2 
800 x 600 
37.879 
60.317 
40.00 
VESA( SVGA)
3 
1024 x 768
48.363 
60.004 
65.00 
VESA( XGA)
4 
1280 x 768 
47.776 
59.87 
79.5
VESA( WXGA)
5 
1360 x 768 
47.72 
59.799 
84.62 
VESA( WXGA) 
6 
1366 x 768
47.7 
60.00 
84.62 
WXGA
7 
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)
1 
720 x 480 
15.73 
59.94 
13.500 
SDTV, DVD 480I(525I)
2 
720 x 480 
15.75 
60.00 
13.514 
SDTV, DVD 480I(525I)
Spec. out
3 
720 x 576 
15.625 
50.00 
13.500 
SDTV, DVD 576I(625I) 50Hz  
but display.
4 
720 x 480
31.47 
59.94
27 
SDTV 480P
5 
720 x 480 
31.5 
60.00 
27.027 
SDTV 480P
6 
720 x 576 
31.25 
50.00
27 
SDTV 576P
7 
1280 x 720
44.96 
59.94 
74.176 
HDTV 720P
8 
1280 x 720 
45 
60.00 
74.25 
HDTV 720P
9 
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 
1.5
mm
2. 
C/ A + B/ C side gap
0.5 
1 
1.5 
mm
3. 
C/ A + Deco Front gap( ONE SIDE). 
0.8 
1 
1.2 
mm
*Active area
1. Active area of LCD PANEL is in bezel of cabinet
2. Interval between active area and bezel
|A-B|< 2.0 mm ,|C-D|< 2.0 mm
A:Interval between left of active area and bezel
B:Interval between right of active area and bezel
C:Interval between top of active area and bezel
D:Interval between bottom of active area and beze
4)Gap between Back Cover and Side AV
- 10 -
Side View
"h"
Control Braket
Back Cover
Gap  h between Back Cover and Control Bracket
-> 0 †  h  † 0.8
C
B
D
A
Active Area
Bezel
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