Read LG 55LH95 / 55LHX (CHASSIS:LA92E) Service Manual online
4.1.3 Adjustment
4.1.3.1 Method
•Using RS-232C, adjust items listed in 3.1 in the order shown
in”4.1.3.3”.
4.1.3.1 Method
•Using RS-232C, adjust items listed in 3.1 in the order shown
in”4.1.3.3”.
4.1.3.2 Adj. protocol
Ref.) ADC adjustment RS232C Protocol_Ver1.0
4.1.3.3 Adj. order
•ad 00 00 [Enter ADC adj. mode]
•kb 00 04 [Component1 input mode]
•ad 00 10 [Adjust 480i Comp1]
•kb 00 06 [RGB-DTV input mode]
•ad 00 10 [Adjust 1080p Comp1/RGB]
•ad 00 90 [End adj.]
•ad 00 00 [Enter ADC adj. mode]
•kb 00 04 [Component1 input mode]
•ad 00 10 [Adjust 480i Comp1]
•kb 00 06 [RGB-DTV input mode]
•ad 00 10 [Adjust 1080p Comp1/RGB]
•ad 00 90 [End adj.]
4.2. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
4.2.1 Overview
•It is a VESA regulation. A PC or a MNT will display an
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and
Play”.
optimal resolution through information sharing without any
necessity of user input. It is a realization of “Plug and
Play”.
4.2.2 Equipment
•Adj. R/C
•Since embedded EDID data is used, EDID download jig,
HDMI cable and D-sub cable are not need.
•Since embedded EDID data is used, EDID download jig,
HDMI cable and D-sub cable are not need.
4.2.3 Download method
1) Press Adj. key on the Adj. R/C, then select “8.EDID
D/L”. By pressing Enter key, enter EDID D/L menu.
2) Select [Start] button by pressing Enter key, HDMI1 /
HDMI2 / HDMI3 / HDMI4 / RGB are Writing and display OK
or NG.
D/L”. By pressing Enter key, enter EDID D/L menu.
2) Select [Start] button by pressing Enter key, HDMI1 /
HDMI2 / HDMI3 / HDMI4 / RGB are Writing and display OK
or NG.
* For HDMI5 EDID D/L, Change the TV input mode into
HDMI5 mode then using Adj. R/C, download the HDMI5
EDID.
EDID.
* HDMI5 / RGB can be downloaded by JIG and cable
4.2.4 EDID DATA
• HDMI
EDID Block 0 table =
EDID Block 1 table =
- 12 -
Protocol
Command
Set ACK
Enter adj. mode
aa 00 00
a 00 OK00x
Source change
xb 00 40
b 00 OK40x (Adjust 480i Comp1 )
xb 00 60
b 00 OK60x (Adjust 1024*768 RGB)
Begin adj.
ad 00 10
Return adj. result
OKx (Case of Success)
NGx (Case of Fail)
Read adj. data
(main)
(main)
ad 00 20
000000000000000000000000007c007b006dx
(sub)
(Sub)
ad 00 21
000000070000000000000000007c00830077x
Confirm adj.
ad 00 99
NG 03 00x (Fail)
NG 03 01x (Fail)
NG 03 02x (Fail)
OK 03 03x (Success)
End adj.
aa 00 90
a 00 OK90x
0
1
2
3
4
5
6
7
8
9
A
B C
D
E
F
0
00 FF FF FF FF
FF
FF 00 1E 6D 02
00
01
01 01 01
10
VV WW 01
03 80
73
41 78 0A
CF 74 A3
57 4C
B0
23
20
09 48 4C A1 08
00
A9 40
81
80
61
40
45
40 31 40
30
01 01 01
01 01
01
02 3A 80
18
71
38 2D 40 58 2C
40
45 00 7E 8A 42
00
00
1E 01
1D 00
72
51 D0 1E 20
50
6E 28 55
00 7E 8A
42 00
00
1E 00
00
00 FD 00 39
60
3F 1F 52
10 00 0A
20 20
20
20
20
20
00
00
00 FC
70
00 4C 47
20 54
56
0A 20
20
20
20
20
20
20 01 XX
0
1
2
3
4
5
6
7
8
9
A
B C
D
E
F
0
02 03 1F
F1
47 10
22
20 05
84
03
02
26
15 07 50
10
09
07 07
67 03 0C
00 YY YY B8 2D E3
05
03 01 02
20
3A 80 18
71 38 2D
40 58 2C
04
05 7E 8A
42 00 00
30
1E 01 1D 80 18
71
1C 16
20
58 2C 25
00 7E 8A 42
40
00 00 9E 01 1D 00
72 51 D0 1E 20 6E
28
55
00 7E
50
8A 42 00
00 1E 66
21 50 B0
51
00 1B
30
40 70 36
60
00 7E 8A 42 00
00
1E 26
36
80 A0 70
38
1F 40 30
70
20 25 00 7E 8A 42
00 00 1A
00
00
00
00
00 00 XX
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