LG 37LK457C, Руководство по обслуживанию

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Only for training and service purposes
4.3. 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.
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
4.4.1. Auto Download
▪ After enter Service Mode by pushing "ADJ" key.
▪ Enter EDID D/L menu.
▪ Enter "START" by pushing "OK" key.
<Caution> Never connect HDMI && D-sub cable when EDID
downloaded.
* EDID data and Model option download (RS232)
4.4.2. 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) FHD RGB EDID data
(2) FHD HDMI EDID data
EZ ADJUT
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. Touch Sensitivity setting
13. Ext. Input Adjust
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
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)
0 1 2 3 4 5 6 7 8 9 A B C D E F
0 0 ff ff ff ff ff ff 0 1e 6d a b
10 c 1 3 68 10 9 78 0a ee 91 a3 54 4c 99 26
20 0f 50 54 a1 8 0 81 80 61 40 45 40 31 40 1 1
30 1 1 1 1 1 1 2 3a 80 18 71 38 2d 40 58 2c
40 45 0 a0 5a 0 0 0 1e 1 1d 0 72 51 d0 1e 20
50 6e 28 55 0 a0 5a 0 0 0 1e 0 0 0 fd 0 3a
60 3e 1e 53 10 0 0a 20 20 20 20 20 20 d
70 d 0 e
For Analog For HDMI EDID
D-sub to D-sub DVI-D to HDMI or HDMI to HDMI
No. Item Condition Hex Data
1 Manufacturer ID GSM 1E6D
2 Version Digital : 1 01
3 Revision Digital : 3 03
0 1 2 3 4 5 6 7 8 9 A B C D E F
0 0 ff ff ff ff ff ff 0 1e 6d a b
10 c 1 3 80 10 9 78 0a ee 91 a3 54 4c 99 26
20 0f 50 54 a1 8 0 71 4f 81 80 1 1 1 1 1 1
30 1 1 1 1 1 1 2 3a 80 18 71 38 2d 40 58 2c
40 45 0 a0 5a 0 0 0 1e 1b 21 50 a0 51 0 1e 30
50 48 88 35 0 a0 5a 0 0 0 1c 0 0 0 fd 0 3a
60 3e 1e 53 10 0 0a 20 20 20 20 20 20 d
70 d 1 e
80 2 3 26 f1 4e 10 1f 84 13 5 14 3 2 12 20 21
90 22 15 1 26 15 7 50 9 57 7 f
A0 f e3 5 3 1 1 1d 80 18 71 1c 16 20 58 2c
B0 25 0 a0 5a 0 0 0 9e 1 1d 0 72 51 d0 1e 20
C0 6e 28 55 0 a0 5a 0 0 0 1e 2 3a 80 18 71 38
D0 2d 40 58 2c 45 0 a0 5a 0 0 0 1e 1 1d 0 bc
E0 52 d0 1e 20 b8 28 55 40 a0 5a 0 0 0 1e 0 0
F0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 e