LG 55LM4600 (CHASSIS:LT21B) Service Manual ▷ View online
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5. External Input Support Format
5.1. Component(Y, Pb, Pr)
5.2. RGB Input (PC) : RGB-PC EDID DATA : Refer to adjust specification.
No.
Resolution
H-freq(kHz)
V-freq(Hz)
Remark
1.
720×480
15.73
60.00
SDTV, DVD 480i
2.
720×480
15.63
59.94
SDTV, DVD 480i
3.
720×480
31.47
59.94
480p
4.
720×480
31.50
60.00
480p
5.
720×576
15.625
50.00
SDTV, DVD 625 Line
6.
720×576
31.25
50.00
HDTV 576p
7.
1280×720
37.50
50.00
HDTV 720p
8.
1280×720
44.96
59.94
HDTV 720p
9.
1280×720
45.00
60.00
HDTV 720p
10.
1920×1080
28.125
50.00
HDTV 1080i
11.
1920×1080
33.75
60.00
HDTV 1080i
12.
1920×1080
33.72
59.94
HDTV 1080i
13.
1920×1080
56.250
50
HDTV 1080p
14.
1920×1080
67.43/67.5
59.94/60
HDTV 1080p
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock (MHz)
Proposed
Remark
1.
640*350
31.468
70.085
25.174
For only DOS mode
2.
720*400
31.468
70.08
28.321
For only DOS mode
3.
640*480
31.469
59.94
25.17
VESA
Input 848*480 60Hz, 852*480 60Hz
=> 640*480 60Hz Display
4.
800*600
37.879
60.31
40.00
VESA(SVGA)
5.
800*600
37.879
60.31
40.00
VESA
6.
1024*768
48.363
60.00
65.00
VESA(XGA)
7.
1152*864
54.347
60.052
79.999
XGA Plus
8.
1360*768
47.72
59.8
84.75
WXGA
9.
1280*1024
63.981
60.02
108.00
SXGA
FHD model
10.
1920*1080
66.587
59.93
138.625
WUXGA
FHD model
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5.3. HDMI EDID DATA : Refer to adjust specification
5.3.1. PC mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
Remarks
1.
640*350
31.468
70.085
25.174
DOS
2
720*400
31.468
70.08
28.321
DOS
3.
640*480
31.469
59.94
25.17
VESA
4
800*600
37.879
60.31
40.00
VESA
5.
1024*768
48.363
60.00
65.00
VESA(XGA)
6.
1360*768
47.72
59.8
84.75
WXGA
7.
1280*1024
63.981
60.02
108.00
SXGA
FHD Model
8.
1920*1080
67.5
60
148.5
WUXGA
FHD Model
9.
1280*1024
63.981
60.02
108.00
SXGA
FHD model
10.
1920*1080
66.587
59.93
138.625
WUXGA
FHD model
5.3.2. DTV mode
No
Resolution
H-freq(kHz)
V-freq.(Hz)
Pixel clock(MHz)
Proposed
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
- 9 -
5.3.3. 3D mode
No.
Resolution
H-freq(kHz)
V-freq.(kHz)
Pixel clock(MHz)
Proposed
Remarks
*** HDMI 1.4
1
1280*720
75
50
148.5
HDTV 720P
Frame packing
2
1280*720
37.5
50
74.25
HDTV 720P
Side by Side(half), Top and Bottom
3.
1280*720
89.9
59.94
148.35
HDTV 720P
Frame packing
90
60
148.5
4
1280*720
45
60
74.25
HDTV 720P
Side by Side(half), Top and Bottom
5
1920*1080
53.95
23.95
148.35
HDTV 1080P
Frame packing
54
24
148.5
6
1920*1080
27
24
74.25
HDTV 108 0P
Side by Side(half), Top and Bottom
7
1920*1080
33.7
30
89.1
HDTV 1080P
Side by Side(half), Top and Bottom
8
1920*1080
67.5
60
148.5
HDTV 1080P
Side by Side(half), Top and bottom
9
1920*1080
56.25
50
148.5
HDTV 1080P
Side by Side(half), Top and bottom,
10
1920*1080
33.7
60
74.25
HDTV 1080i
Side by Side(half), Top and Bottom
11
1920*1080
28.1
50
74.25
HDTV 1080i
Side by Side(half), Top and Bottom
*** HDMI 1.3
1
1280*720
45.00
60.00
74.25
HDTV 720P
Side by Side, Top & Bottom
2
1280*720
37.500
50
74.25
HDTV 720P
Side by Side, Top & Bottom
3
1920*1080
33.75
60.00
74.25
HDTV 1080I
Side by Side, Top & Bottom
4
1920*1080
28.125
50.00
74.25
HDTV 1080I
Side by Side, Top & Bottom
5
1920*1080
27.00
24.00
74.25
HDTV 1080P
Side by Side, Top & Bottom, Checkerboard
6
1920*1080
33.75
30.00
74.25
HDTV 1080P
Side by Side, Top & Bottom, Checkerboard
7
1920*1080
67.50
60.00
148.5
HDTV 1080P
Side by Side, Top & Bottom, Checkerboard
Single Frame Sequential
Single Frame Sequential
8
1920*1080
56.25
50
148.5
HDTV 1080P
Side by Side, Top & Bottom, Checkerboard
Single Frame Sequential
Single Frame Sequential
- 10 -
ADJUSTMENT INSTRUCTION
1. Application
This spec sheet is applied all of the LCD TV with LT21A/B/C
chassis
2. Designation
(1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan whic al Unit: Product Specification Standard.
(2) Power adjustment : Free Voltage.
(3) Magnetic Field Condition: Nil.
(4) Input signal Unit: Product Specification Standard.
(5) Reserve after operation: Above 5 Minutes (Heat Run).
Temperature : at 25 ºC±5 ºC
Relative humidity : 65 ± 10%
Input voltage : 220V, 60Hz
The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15°C.
In case of keeping module is in the circumstance of 0°C, it
should be placed in the circumstance of above 15°C for 2
hours
In case of keeping module is in the circumstance of below
-20°C, it should be placed in the circumstance of above
15°C for 3 hours,.
[Caution]
When still image is displayed for a period of 20 minutes or
longer, there can some afterimage in the black level area.
(6) Adjustment equipments : Color Analyzer (CA-210 or
CA-110), DDC Adjustment Jig equipment, SVC remote
controller
(7) Push The “IN STOP KEY” – For memory initialization.
Case1 : Software version up
1) After downloading S/W by USB , TV set will reboot
automatically
2).Push “In-stop” key
3).Push “Power on” key
4).Function inspection
5).After function inspection, Push “In-stop” key.
Case2 : Function check at the assembly line
1). When TV set is entering on the assembly line, Push
“In-stop” key at first.
2).Push “Power on” key for turning it on.
=> If you push “Power on” key, TV set will recover channel
information by itself.
3).After function inspection, Push “In-stop” key.
3. Main PCB check process
* APC – After Manual-Insert, executing APC
* Boot file Download
(1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
(2) Set as below, and then click “Auto Detect” and check “OK”
message.
If “Error” is displayed, Check connection between
computer, jig, and set.
(3) Click “Read” tab, and then load download file (XXXX.bin)
by clicking “Read”
(4) Click “Connect” tab. If “Can’t ” is displayed, Check
connection between computer, jig, and set.
(5) Click “Auto” tab and set as below.
(6) Click “Run”.
(7) After downloading, check “OK” message.
(1)
filexxx.bin
(2)
(3)
Please Check the Speed
To use speed between
from 200KHz to 400KHz
To use speed between
from 200KHz to 400KHz
(4)
(5)
(6)
(7)...........OK
filexxx.bin
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