LG 37LK435C (CHASSIS:LC0AC) Service Manual ▷ View online
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Auto-control interface and directions
1. Adjust in the place where the influx of light like floodlight around is blocked. (illumination is less than
10ux).
2. Adhere closely the Color Analyzer (CA210) to the module less than 10cm distance, keep it with the surface
of the Module and Color Analyzer’s Prove vertically.(80~100°).
3. Aging time
-. After aging start, keep the power on (no suspension of power supply) and heat-run over 15 minutes.
-. Using ‘no signal’ or ‘full white pattern’ or the others, check the back light on.
-. Using ‘no signal’ or ‘full white pattern’ or the others, check the back light on.
Auto adjustment Map(RS-232C)
Equipment Æ Wireless unit
Wireless unit Æ Set
Index
CMD1
CMD2
Set ID
Data
CMD1
CMD2
CMD3
CMD4
Start
w b 0 00 1F 04 00 00
Gain
start w b 0 10 1F 04 00 10
Gain
End w b 0 1F 1F 04 00 1F
Offset
Start w b 0 20 1F 04 00 20
Offset
End w b 0 2F 1F 04 00 2F
End w
b
0
FF
1F
04
00
FF
RS-232C COMMAND
[CMD ID DATA]
CENTER
(DEFAULT)
Cool
Mid
Warm
MIN
Cool
Mid
Warm
MAX
R Gain
jg
ja
jd
00
172
192
192
192
G Gain
jh
jb
je
00
172
192
192
192
B Gain
ji
jc
jf
00
192
192
172
192
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
** Caution **
Color Temperature : Cool, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of module)
*
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of module)
*
Manual W/B process
using factory SVC remocon.
■ Enter ‘EZ ADJUST’ mode by pushing ‘ADJ’ key.
■ Enter White Balance mode by pushing ‘OK’ or ‘►’ key after selecting ‘7.White Balance’.
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※
After all adjustments, press ‘IN START’ key and compare Tool 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 ‘IN STOP’ key after completing the function inspection.
4.2 DPM operation confirmation (Only Apply for MNT Model)
Check if Power LED Color and Power Consumption operate as standard.
■ Set Input to RGB and connect D-sub cable to set
■ Measurement Condition: (100~240V@ 50/60Hz)
■ Confirm DPM operation at the state of screen without Signal
4.3 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.
4.4 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.
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. ADC Calibration
7. White Balance
▶
8. 10 Point WB
9. Test Pattern
10. EDID D/L
11. Sub B/C
12. V-Com
13. P-Gamma
White Balance
Color Temp.
◀
Cool
▶
R-Gain
172
G-Gain
172
B-Gain
192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern
ON
Backlight
100
Reset
To Set
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EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. ADC Calibration
7. White Balance
8. 10 Point WB
9. Test Pattern
▶
10. EDID D/L
11. Sub B/C
12. V-Com
13. P-Gamma
4.5 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
■ Enter ‘EZ ADJUST’ mode by pushing ‘ADJ’ key.
■ Select and enter ’10.EDID D/L’ mode.
■ Select ‘START’ by pushing ‘OK’ key.
Caution : Never connect HDMI &
D-sub Cable when auto download.
EDID D/L
HDMI1
NG
HDMI2
NG
HDMI3
NG
RGB
NG
Start
Reset
EDID D/L
HDMI1
OK
HDMI2
OK
HDMI3
OK
RGB
OK
Start
Reset
.
※
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
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
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Caution
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables as below for EDID Writing.
- Download HDMI1, HDMI2, HDMI3 separately because each data is different.
- Use the proper cables as below for EDID Writing.
- Download HDMI1, HDMI2, HDMI3 separately because each data is different.
For Analog EDID
For HDMI EDID
D-sub to D-sub
DVI-D to HDMI or HDMI to HDMI
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