LG M2250D Service Manual

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LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.4. EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: 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
download
* Edid data and Model option download (RS232)
- Manual Download
* Caution
1) Use the proper signal cable for EDID Download.
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2, separately because HDMI1 is
different from HDMI2.
1) HD RGB EDID data
2) HD HDMI EDID data
* Detail EDID Options are below
ⓐ Product ID
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Week : ‘01’ -> ‘01’
Year : ‘2011’ -> ‘15’ fix
ⓓ Model Name(Hex):
ⓔ Checksum: Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
EZ ADJUT
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
10. V-Com
11. P-Gamma
EDID D/L
HDMI1
HDMI2
HDMI3
RGB
NG
NG
NG
NG
Reset
Start
EDID D/L
Reset
Start
HDMI1
HDMI2
HDMI3
RGB
OK
OK
OK
OK
Item CMD1 CMD2 Data0
Download A A 0 0 When transfer the ‘Mode In’,
‘Mode In’ Carry the command.
Download A E 00 10 Automatically Download
(The use of a internal pattern)
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital : 3
Data(Hex)
1E6D
01
03
D-sub to D-sub DVI-D to HDMI or HDMI to HDMI
For HDMI EDID
For Analog EDID
012 34 5 67 8 9 ABCD EF
00 00 FF FF FF FF FF FF 00 1E 6D a b
10 c 01036810 09780AEE91A3544C9926
20 0F 50 54 A1 08 00 81 C0 61 40 45 40 31 40 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 A0 5A 00 00 00 1C 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1F 46 10 00 0A 20 20 20 20 20 20 d
70 d 00 e
80 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
90 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
A0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
B0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
C0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
012 34 5 67 8 9 ABCD EF
00 00 FF FF FF FF FF FF 00 1E 6D a b
10 c 0103801009780AEE91A3544C9926
20 0F 50 54 A1 08 00 81 C0 61 40 45 40 31 40 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 A0 5A 00 00 00 1C 01 1D 00 72 51 D0 1E 20
50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A
60 3E 1F 46 10 00 0A 20 20 20 20 20 20 d
70 d 01 e
80 02 03 20 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 8018711C1620582C2500A05A0000
B0 00 9E 01 1D 00 80 51 D0 0C 20 40 80 35 00 A0 5A
C0 00 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00
D0 A0 5A 00 00 00 18 02 3A 80 18 71 38 2D 40 58 2C
E0 45 00 A0 5A 00 00 00 1E 01 1D 80 D0 72 1C 16 20
F0 10 2C 25 80 A0 5A 00 00 00 9E 00 00 00 00 00 0e
Model Name HEX EDID Table DDC Function
HD Model 0000 00 00 Analog/Digital
MODEL MODEL NAME(HEX)
all 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
INPUT MODEL NAME(HEX)
HDMI1 65030C001000
HDMI2 65030C002000
HDMI3 65030C003000

LG M2250D Specifications

General

3D	No
Aspect ratio	16:9
Display diagonal	21.5 \
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	5000000:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
Audio input	Yes
USB hub version	2.0
DVI-I ports quantity	0
Annual energy consumption	89 kWh
Power consumption (standby)	0.5 W
Power consumption (typical)	61 W
Product color	Black
Market positioning	-
Panel mounting interface	100 x 100 mm

Weight and Dimensions

Depth (without stand)	59.5 mm
Width (without stand)	509.1 mm
Height (without stand)	403 mm
Weight (without stand)	2900 g