LG 42LN5400-CN (CHASSIS:LD31B / LD36B) Service Manual ▷ View online
LG Electronics Inc. Display Division
Establish : 12/09/15
LC36B Adjust specification
LG(55)C2-0661-00
14/25
Reform : 12/09/15
LG electronics
▪
If internal pattern is not available, use RF input. In EZ Adj. menu
9. White Balance, you can select one of 2 Test-pattern: ON, OFF. Default is inner (ON).
By selecting OFF, you can adjust using RF signal in 206 Gray pattern.
By selecting OFF, you can adjust using RF signal in 206 Gray pattern.
※ CASE Cool
First adjust the coordinate far away from the target value(x, y).
1. x, y target
ⅰ ) Decrease the R, G.
2. x, y target
ⅰ ) First decrease the B gain,
ⅱ ) Decrease the one of the others.
ⅱ ) Decrease the one of the others.
3. x target, y target
ⅰ ) First decrease B, so make y a little more than the target.
ⅱ ) Adjust x value by decreasing the R
ⅱ ) Adjust x value by decreasing the R
4. x target, y target
ⅰ ) First decrease B, so make x a little more than the target.
ⅱ ) Adjust x value by decreasing the G
ⅱ ) Adjust x value by decreasing the G
How to adjust
1. If G gain is adjusted over 172 and R gain and B gain less than 192, Adjust is O.K.
2. If G gain is less than 172, increase G gain by up to 172, and then increase R gain and B gain same amount of
increasing G gain.
3. If R gain or B gain is over 255, Readjust G gain less than 172, Conform to R gain is 255 or B gain is 255
※ CASE Medium / Warm
First adjust the coordinate far away from the target value(x, y).
1. x, y target
※ CASE Medium / Warm
First adjust the coordinate far away from the target value(x, y).
1. x, y target
ⅰ ) Decrease the R, G.
2. x, y target
ⅰ ) First decrease the B gain,
ⅰ ) First decrease the B gain,
ⅱ ) Decrease the one of the others.
3. x target, y target
ⅰ ) First decrease B, so make y a little more than the target.
ⅱ ) Adjust x value by decreasing the R
ⅱ ) Adjust x value by decreasing the R
4. x target, y target
ⅰ ) First decrease B, so make x a little more than the target.
ⅱ ) Adjust x value by decreasing the G
ⅱ ) Adjust x value by decreasing the G
※
After You finish all adjustments, Press “In-start” button and compare Tool option and Area option value
with its BOM, if it is correctly same then unplug the AC cable.
If it is not same, then correct it same with BOM and unplug AC cable.
For correct it to the model’s module from factory JIG model.
※
※
Push the “IN-STOP KEY” after completing the function inspection.
LG Electronics Inc. Display Division
Establish : 12/09/15
LC36B Adjust specification
LG(55)C2-0661-00
15/25
Reform : 12/09/15
LG electronics
5.2 DDC EDID Write (RGB 128Byte )
■
Connect D-sub Signal Cable to D-Sub Jack.
■
Write EDID DATA to EEPROM (24C02) by using
DDC2B
protocol.
■
Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert Process in advance.
5.3 DDC EDID Write (HDMI 256Byte)
■
Connect HDMI Signal Cable to HDMI Jack.
■
Write EDID DATA to EEPROM(24C02) by using
DDC2B
protocol.
■
Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert Process in advance.
5.4 EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
- Auto Download
■
After enter Service Mode by pushing “
ADJ” key,
■
Enter
EDID D/L mode.
■
Enter “START” by pushing “OK” key.
☞
Caution :
Never connect HDMI & D-sub Cable
when EDID downloaded.
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Tool Option6
5. Tool Option6
6. Country Group
7. Area Option
8. ADC Calibration
8. ADC Calibration
9. White Balance
10 . Point WB
11. Test Pattern
12. EDID D/L
▶
13. Sub B/C
14. Ext. Input Adjust
15. SPK Lipsync Adjust
14. Ext. Input Adjust
15. SPK Lipsync Adjust
16. SPDIF Lipsync Adjust
EDID D/L
HDMI1
OK
HDMI2
OK
Start
Reset
LG Electronics Inc. Display Division
Establish : 12/09/15
LC36B Adjust specification
LG(55)C2-0661-00
16/25
Reform : 12/09/15
LG electronics
※
EDID data and Model option download (RS232)
NO
Item
CMD 1
CMD 2
Data 0
Enter
download MODE
Download
‘
Mode In’
A
A
0
0
When transfer the ‘Mode In’,
Carry the command.
EDID data and
Model option
download
Download
A
E
00
10
Automatically download
(The use of a internal Data)
- Manual Download
※
Caution
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing.
- Download HDMI1/2/3 separately because each EDID data is different.
- Use the proper cables below for EDID Writing.
- Download HDMI1/2/3 separately because each EDID data is different.
No. Item
Condition
Hex Data
1
Manufacturer ID
GSM
1E6D
2
Version
Digital : 1
01
3
Revision
Digital : 3
03
※
Model information :
Model
BLU
Freq.
Resolution
32LN5400-CA
Direct LED
60Hz
FHD (8bit)
39LN5400-CA
POLA LED
60Hz
FHD (8bit)
42LN5400-CA
Direct LED
60Hz
FHD (8bit)
42LN5400-CA
POLA LED
60Hz
FHD (8bit)
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
LG Electronics Inc. Display Division
Establish : 12/09/15
LC36B Adjust specification
LG(55)C2-0661-00
17/25
Reform : 12/09/15
LG electronics
47LN5400-CA
Direct LED
60Hz
FHD (8bit)
55LN5400-CA
POLA LED
60Hz
FHD (8bit)
32LN540B_CA
Direct LED
60Hz
HD
* EDID Data
- FHD 8BIT HDMI EDID DATA
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 A0 5A 78 0A EE 91 A3 54 4C 99 26
20
0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80
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
01
e
80
02 03 22 F1 4E 10 9F 04 13 05 14 03 02 12 20 21
90
22 15 01 26 15 07 50 09 57 07
f
A0
f
01 1D 80 18 71 1C 16 20 58 2C 25 00 20 C2
B0
31 00 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55 00
C0
20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58 2C
D0
45 00 A0 5A 00 00 00 1E 01 1D 00 BC 52 D0 1E 20
E0
B8 28 55 40 C4 8E 21 00 00 1E 00 00 00 00 00 00
F0
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e
- HD HDMI EDID data (2D Model)
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 A0 5A 78 0A EE 91 A3 54 4C 99 26
20
0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 01 01
30
01 01 01 01 01 01 66 21 50 B0 51 00 1B 30 40 70
40
36 00 40 84 63 00 00 1E 64 19 00 40 41 00 26 30
50
18 88 03 06 40 84 63 00 00 18 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 22 F1 4E 10 1F 04 93 05 14 03 02 12 20 21
90
22 15 01 26 15 07 50 09 57 07
f
A0
80 1E 01 1D 80 18 71 1C 16 20 58 2C 25 00 A0 5A
B0
00 00 00 9E 01 1D 00 72 51 D0 1E 20 6E 28 55 00
C0
20 C2 31 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E
D0
96 00 A0 5A 00 00 00 18 02 3A 80 18 71 38 2D 40
E0
58 2C 45 00 A0 5A 00 00 00 1E 00 00 00 00 00 00
F0
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e
* Detail EDID Options are as below
ⓐ Product ID
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