Read LG 42LV3400-TA (CHASSIS:LB01U) Service Manual online
4.2. DDC EDID Write (RGB 128Byte )
• Connect D-sub Signal Cable to D-sub Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For Service main Assembly, EDID have to be downloaded to
* For Service main Assembly, EDID have to be downloaded to
Insert Process in advance.
4.3. DDC EDID Write (HDMI 256Byte)
• Connect HDMI Signal Cable to HDMI Jack.
• Write EDID Data to EEPROM(24C02) by using DDC2B
• Write EDID Data to EEPROM(24C02) by using DDC2B
protocol.
• Check whether written EDID data is correct or not.
* For Service main Assembly, EDID have to be downloaded to
* For Service main Assembly, 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
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***: Year : Controlled
****: Check sum
4.5. Auto Download
1) After ener Service Mode by pushing “ADJ” key.
2) Enter EDID D/L menu.
3) Enter “START” by pushing “OK” key.
2) Enter EDID D/L menu.
3) Enter “START” by pushing “OK” key.
<Caution> Never connect HDMI && D-sub cable when EDID
downloaded.
* 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
- 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
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
- 12 -
NO
Item
CMD1 CMD2 Data0
Enter
Download
A
A
0
0
When transfer the ‘Mode In’,
download Mode
‘Mode In’
Carry the command.
EDID data and
Download
A
E
00 10 Automatically Download
Model option
(The use of a internal pattern)
download
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
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
10. V-Com
11. P-Gamma
EDID D/L
HDMI1
HDMI2
HDMI3
RGB
HDMI2
HDMI3
RGB
NG
NG
NG
NG
NG
NG
NG
Reset
Start
EDID D/L
Reset
Start
HDMI1
HDMI2
HDMI3
RGB
HDMI2
HDMI3
RGB
OK
OK
OK
OK
OK
OK
OK
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
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
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
Click on the first or last page to see other 42LV3400-TA (CHASSIS:LB01U) service manuals if exist.