LG 42LH200H (CHASSIS:LD91Y) Service Manual ▷ View online
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
- Auto Download
• After enter Service Mode by pushing “ADJ” key,
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
* 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
* Detail EDID Options are below
ⓐ Product ID
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : ‘02’ -> ‘02’
Year : ‘2009’ -> ‘13’
ⓓ Model Name(Hex):
ⓔ Checksum: Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
Model Name
HEX
EDID Table
DDC Function
FHD Model
0001
01 00
Analog/Digital
HD Model
0000
00 00
Analog/Digital
- 13 -
MODEL
MODEL NAME(HEX)
all
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
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
INPUT
MODEL NAME(HEX)
HDMI1 67030C001000B82D
HDMI2 67030C002000B82D
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
ⓐ
ⓑ
10
ⓒ
01
03
68
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
81
80
61
40
45
40
31
40
01
01
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
3A
60
3E
1E
53
10
00
0A
20
20
20
20
20
20
ⓓ
70
ⓓ
00
ⓔ
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
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
ⓐ
ⓑ
10
ⓒ
01
03
80
73
41
78
0A
CF
74
A3
57
4C
B0
23
20
09
48
4C
A1
08
00
81
80
61
40
45
40
31
40
01
01
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
3A
60
3E
1E
53
10
00
0A
20
20
20
20
20
20
ⓓ
70
ⓓ
01
ⓔ
80
02
03
26
F1
4E
10
1F
84
13
05
14
03
02
12
20
21
90
22
15
01
26
15
07
50
09
57
07
ⓕ
A0
ⓕ
E3
05
03
01
01
1D
80
18
71
1C
16
20
58
2C
B0
25
00
7E
8A
42
00
00
9E
01
1D
00
80
51
D0
0C
20
C0
40
80
35
00
7E
8A
42
00
00
1E
02
3A
80
18
71
38
D0
2D
40
58
2C
45
00
7E
8A
42
00
00
1E
66
21
50
B0
E0
51
00
1B
30
40
70
36
00
7E
8A
42
00
00
1E
00
00
F0
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
F9
NO
Item
CMD1 CMD2 Data0
Enter download Download
A
A
0
0
When transfer the ‘Mode In’,
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
- 14 -
4.5. Outgoing condition Configuration
- When pressing IN-STOP key by Service remote control, Red
LED are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
Confirm whether is normal or not when between power
board’s ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second
board’s ac block and GND is impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second
5. Model name & Serial number D/L
• press “Power on” key of service remocon.
(Baud rate : 115200 bps)
• Connect RS232 Signal Cable to RS-232 Jack.
• Write Serial number by use RS-232.
• Must check the serial number at the Diagnostics of SET UP
• Write Serial number by use RS-232.
• Must check the serial number at the Diagnostics of SET UP
menu. (Refer to below).
5.1. Signal TABLE
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +…+ Data_n
Delay : 20ms
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +…+ Data_n
Delay : 20ms
5.2. Command Set
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in
EEPROM,.
5.3. Method & notice
A. Serial number D/L is using of scan equipment.
B. Setting of scan equipment operated by Manufacturing
B. Setting of scan equipment operated by Manufacturing
Technology Group.
C. Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0.
by D-book 4.0.
* Manual Download (Model Name and Serial Number)
If the TV set is downloaded by OTA or Service man,
sometimes model name or serial number is initialized.(Not
always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the ‘instart’ key of ADJ remote control.
2) Go to the menu ‘5.Model Number D/L’ like below photo.
3) Input the Factory model name(ex 42LH4000-ZA) or Serial
sometimes model name or serial number is initialized.(Not
always)
There is impossible to download by bar code scan, so It need
Manual download.
1) Press the ‘instart’ key of ADJ remote control.
2) Go to the menu ‘5.Model Number D/L’ like below photo.
3) Input the Factory model name(ex 42LH4000-ZA) or Serial
number like photo.
4) Check the model name Instart menu -> Factory name
displayed (ex 42LH4000-ZA)
5) Check the Diagnostics (DTV country only) ->s Buyer model
displayed (ex 42LH4000)
CMD
LENGTH
ADH
ADL
DATA_1
. . .
Data_n
CS
DELAY
No. Adjust
mode
CMD(hex)
LENGTH(hex)
Description
1
EEPROM WRITE
A0h
84h+n
n-bytes Write (n = 1~16)
BLOCK DIAGRAM
- 15 -
- 16 -
200
A5
801
LV
1
A2
A10
802
803
400
900
530
550
200T
300
120
510
500
560
804
805
521
540
806
Option
Option
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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