LG 37LK450 / 37LK450A / 37LK450N / 37LK450U / 37LK451 (CHASSIS:LD01M) Service Manual ▷ View online
- 7 -
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
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.
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 60 Hz, 852*480 60 Hz
-> 640*480 60 Hz Display
3.
800*600
37.879
60.31
40.00 VESA
4.
1024*768
48.363
60.00
65.00
VESA(XGA)
5.
1360*768 47.72
59.8
84.75 WXGA
FHD
model
6.
1280*1024 63.981
60.02
108.875
SXGA
FHD
model
7.
1920*1080 67.5
60
148.5
WUXGA
FHD
model
6. RGB Input (PC)
- 8 -
7. 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.
1360*768 47.72 59.8 84.75
WXGA HDCP
6.
1280*720
45
60
74.25
HDCP
7.
1280*1024 63.595
60.02
108.875 SXGA
HDCP
8.
1920*1080
67.5
60
148.5
WUXGA
HDCP
(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
- 9 -
ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV with
LD01M chassis.
LD01M 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.
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)
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 : 220 V, 60 Hz
Relative humidity : 65 % ± 10 %
Input voltage : 220 V, 60 Hz
6) Adjustment equipments: Color Analyzer (CA-210 or CA-
110), Pattern Generator(MSPG-925L or Equivalent), DDC
Adjustment Jig equipment, Service remote control.
Adjustment Jig equipment, Service remote control.
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.
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.
6) Click “Run”.
7) After downloading, check “OK” message.
* USB DOWNLOAD(*.epk file download)
1) Put the USB Stick to the USB socket.
2) Automatically detecting update file in USB Stick
2) Automatically detecting update file in USB Stick
- If version of update file in USB Stick is Lower, it didn’t
work. But version of update file is Higher, USB data is
automatically detecting.
automatically detecting.
3) Show the message “Copying files from memory”
(4) Updating is starting.
(5) After updating is complete, the TV will restart automatically.
(6) If TV turns on, check your updated version and Tool option.
(6) If TV turns on, check your updated version and Tool option.
(refer to the next page about tool option)
* If downloading version is higher than your TV have, TV
* If downloading version is higher than your TV have, TV
can lost all channel data. In this case, you have to
channel recover. If all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
channel recover. If all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
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.
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.
filexxx.bin
(4)
(7)
.OK
(5)
(6)
(1)
fi lexxx.bin
(2)
(3)
Please Check the Speed :
To use speed between
To use speed between
from 200KHz to 400KHz
* After downloading, have to adjust Tool Option again.
(1) Push “IN-START” key in service manual control.
(2) Select ‘Tool Option 1’ and push ‘OK’ key.
(3) Punch in the number. (Each models has their number.)
(4) Correction Tool option is completed.
(2) Select ‘Tool Option 1’ and push ‘OK’ key.
(3) Punch in the number. (Each models has their number.)
(4) Correction Tool option is completed.
3.1. ADC Process
G
’ key at “7. ADC
Calibration”.
<Caution> Using ‘P-ONLY’ key of the Adjustment remote
control, power on TV.
* ADC Calibration Protocol (RS232)
Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment Remote control
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : Adjustment Remote control
3.2. EDID Download
1) After Enter Service Mode by pushing ‘ADJ’ key,
2) Enter EDID D/L mode.
3) Enter ‘START’ by pushing ‘OK’ key.
2) Enter EDID D/L mode.
3) Enter ‘START’ by pushing ‘OK’ key.
<Caution> Never connect HDMI & D-sub cable when EDID
download
3.3. EDID data
(1) FHD RGB EDID data
(2) FHD HDMI EDID data
(3) Detail EDID Options are below
a. Product ID
b. Serial No: Controlled on production line.
c. Month, Year:
c. Month, Year:
Week : ‘01’ -> ‘01’
Year : ‘2011’ -> ‘15’ fix
d. Model Name(Hex):
e. Checksum: Changeable by total EDID data.
f. Vendor Specific(HDMI)
- 10 -
ADC Calibration
ADC Comp 480i
NG
ADC Comp 1080p
NG
ADC RGB
NG
Start
Reset
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
7. ADC Calibration
8. White Balance
9. 10 Point WB
10. Test Pattern
11. EDID D/L
12. Sub B/C
13. Touch Sensitivity Setting
9. 10 Point WB
10. Test Pattern
11. EDID D/L
12. Sub B/C
13. Touch Sensitivity Setting
No
Item CMD1 CMD2 Data0
Enter Adjust
Adjust
A
A
0
0
When transfer the ‘Mode In’,
Mode
‘Mode In’
Carry the command.
ADC adjust ADC Adjust
A
D
1
0
Automatically adjustment
(The use of a internal pattern)
HDMI1
OK
HDMI2
OK
HDMI3
OK
RGB
OK
Start
Reset
EDID D/L
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
7. ADC Calibration
8. White Balance
9. 10 Point WB
10. Test Pattern
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
7. ADC Calibration
8. White Balance
9. 10 Point WB
10. Test Pattern
11. EDID D/L
12. Sub B/C
13. Touch Sensitivity Setting
13. Touch Sensitivity Setting
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
a
b
10
c
01
03
80
10
09
78
0A
EE
91
A3
54
4C
99
26
20
0F
50
54
A1
08
00
71
4F
81
80
01
01
01
01
01
01
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
A0
5A
00
00
00
1E
1B
21
50
A0
51
00
1E
30
50
48
88
35
00
A0
5A
00
00
00
1C
00
00
00
FD
00
3A
60
3E
1E
53
10
00
0A
20
20
20
20
20
20
d
70
d
01
e
80
02
03
26
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
90
22
15
01
26
15
07
50
09
57
07
f
A0
f
E3
05
03
01
01
1D
80
18
71
1C
16
20
58
2C
B0
25
00
A0
5A
00
00
00
9E
01
1D
00
72
51
D0
1E
20
C0
6E
28
55
00
A0
5A
00
00
00
1E
02
3A
80
18
71
38
D0
2D
40
58
2C
45
00
A0
5A
00
00
00
1E
01
1D
00
BC
E0
52
D0
1E
20
B8
28
55
40
A0
5A
00
00
00
1E
00
00
F0
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
e
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
a
b
10
c
01
03
68
10
09
78
0A
EE
91
A3
54
4C
99
26
20
0F
50
54
A1
08
00
81
80
61
40
45
40
31
40
01
01
30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
40
45
00
A0
5A
00
00
00
1E
66
21
50
B0
51
00
1B
30
50
40
70
36
00
A0
5A
00
00
00
1E
00
00
00
FD
00
3A
60
3E
1E
53
10
00
0A
20
20
20
20
20
20
d
70
d
00
e
Model Name
HEX
EDID Table
DDC Function
HD/FHD Model
0001
01 00
Analog/Digital
MODEL
MODEL NAME(HEX)
LG TV
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
EDID C/S data
FHD
HD
HDMI
RGB
HDMI
RGB
Check sum Block 0
E2
ED
B4
CD
(Hex)
99(HDMI1)
75(HDMI1)
Block 1 89(HDMI2)
65(HDMI2)
79(HDMI3)
55(HDMI3)
INPUT
MODEL NAME(HEX)
HDMI1 67030C001000B82D
HDMI2 67030C002000B82D
HDMI3
67030C003000B82D
Click on the first or last page to see other 37LK450 / 37LK450A / 37LK450N / 37LK450U / 37LK451 (CHASSIS:LD01M) service manuals if exist.