DOWNLOAD LG 37LD460 (CHASSIS:LL01B) Service Manual ↓ Size: 8.99 MB | Pages: 73 in PDF or view online for FREE

Model
37LD460 (CHASSIS:LL01B)
Pages
73
Size
8.99 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37ld460-chassis-ll01b.pdf
Date

LG 37LD460 (CHASSIS:LL01B) Service Manual ▷ View online

- 9 -
1) Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25±2°C
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels
displaying white.
No.
Item Specification 
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10> 
Right/Left/Up/Down 
89
CR > 10
Luminance (cd/m
2
)
400 500
2.
Luminance
Variation -
1.3 
3.
Contrast Ratio 
CR 
1100 
1500
All white/ All black
White WX
0.279 
WY Typ
0.292
Typ 
RED Xr
0.03
0.636
+0.03
4.
CIE Color Coordinates
Yr
0.335
Green Xg
0.291
Yg
0.603
Blue Xb 
0.146
Yb  
0.061
4.1.4. 42” LCD Module (LGD) LC420WUG-SCA1
1) Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25±2°C
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels
displaying white.
No.
Item Specification 
Min.
Typ.
Max.
Remark
1.
Viewing Angle<CR>10> 
Right/Left/Up/Down 
89
CR > 10
Luminance (cd/m
2
)
400 500
2.
Luminance
Variation -
1.3 
3.
Contrast Ratio 
CR 
1100 
1500
All white/ All black
White WX
0.279 
WY Typ
0.292
Typ 
RED Xr
0.03
0.639
+0.03
4.
CIE Color Coordinates
Yr
0.334
Green Xg
0.290
Yg
0.606
Blue Xb 
0.146
Yb  
0.058
4.1.5. 47” LCD Module (LGD) LC470WUG-SCA1
- 10 -
5. 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
37.50
50.00
HDTV 720p
8.
1280x720
44.96
59.94
HDTV 720p
9.
1280x720 45.00 
60.00
HDTV 
720p
10.
1920x1080 28.125 
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
67.43/67.5
59.94/60 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
6. RGB (PC)
No.
Item
Min
Typ
Max
Remark
1.
Cool
White Balance,X axis
0.267
0.269
0.271 
DQA : ±0.015               PSM: Vivid,  
White Balance,Y axis 
0.271
0.273
0.275
White (85IRE)
2.
Medium
White Balance,X axis
0.283
0.285
0.287
Color Temp : C50 -> Cool
White Balance,Y axis 
0.291
0.293
0.295 
0     -> Medium
3.
Warm
White Balance,X axis
0.311
0.313
0.315
W50 -> Warm
White Balance,Y axis 
0.327
0.329
0.331
4.2. Chroma (Vivid)
- except “RGB PC Mode PSM: Standard, Color Temperature:Medium”
** The W/B Tolerance is ±0.002 for Adjustment, but for DQA ±0.015
- 11 -
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
8.
1920*1080
67.5
60
148.5
WUXGA
HDCP
7.2.  PC Mode
7. HDMI Input (PC/DTV)
7.1. DTV 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
- 12 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LL01A/B chassis.
2. Designation
1) The adjustment is according to the order which is
designated and which must be followed, according to the
plan which can be changed only on agreeing.
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
6) Adjustment equipments: Color Analyzer (CA-210 or CA-
110), Pattern Generator(MSPG-925L or Equivalent), DDC
Adjustment Jig equipment, SVC remote controller
7) Push The “IN STOP KEY” - For memory initialization.
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.
          filexxx.bin 
(7) 
(5) 
(8) ……….OK 
(6) 
(1) 
(3) 
(2)
OK
Please Check the Speed : 
To use speed between 
from 200KHz to 400KHz 
(4) 
filexxx.bin 
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 “I n-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.
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