LG 42LN549D, Service Manual

Page: 13 / 34

- 13 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
(1) FHD RGB EDID data
(2) FHD HDMI EDID data
(3) Detail EDID Options are below
a. Product ID
b. Serial No: Controlled on production line.
c. Month, Year: Controlled on production line:
ex) Week : '01' -> '01'
Year : '2012' -> '16' fix
d. Model Name(Hex):
cf) TV set’s model name in EDID data is below.
e. Checksum: Changeable by total EDID data.
f. Vendor Specific(HDMI)
4.5. Model name & Serial number D/L
▪ Press "Power on" key of service remote control.
(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
menu. (Refer to below)
(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 + ADH + ADL + ...+ Data_n
Delay : 20ms
(2) Comand 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
EEPROM,.
(3) Method & notice
1) Serial number D/L is using of scan equipment.
2) Setting of scan equipment operated by Manufacturing
Technology Group.
3) 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.
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 a b
10 c 01 03 80 10 09 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 A1 08 00 71 4F 81 80 01 01 01 01 01 01
30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 A0 5A 00 00 00 1E 1B 21 50 A0 51 00 1E 30
50 48 88 35 00 A0 5A 00 00 00 1C 00 00 00 FD 00 3A
60 3E 1E 53 10 00 0A 20 20 20 20 20 20 d
70 d 01 e
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 f
A0 f E3 05 03 01 01 1D 80 18 71 1C 16 20 58 2C
B0 25 00 A0 5A 00 00 00 9E 01 1D 00 72 51 D0 1E 20
C0 6E 28 55 00 A0 5A 00 00 00 1E 02 3A 80 18 71 38
D0 2D 40 58 2C 45 00 A0 5A 00 00 00 1E 01 1D 00 BC
E0 52 D0 1E 20 B8 28 55 40 A0 5A 00 00 00 1E 00 00
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e
MODEL NAME HEX EDID Table DDC Function
HD/FHD Model 0001 01 00 Analog/Digital
Model name MODEL NAME(HEX)
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 (LG TV)
EDID C/S data
FHD
HDMI RGB
Check sum
(Hex)
Block 0 43 5C
Block 1
25 (HDMI1)
- 15 (HDMI2)
5 (HDMI3)
Input Model name(HEX)
HDMI1 67030C001000B82D
HDMI2 67030C002000B82D
HDMI3 67030C003000B82D
CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY
Adjust mode CMD(hex) LENGTH(hex) Description
EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)
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 a b
10 c 01 03 68 10 09 78 0A EE 91 A3 54 4C 99 26
20 0F 50 54 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 A0 5A 00 00 00 1E 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 1E 53 10 00 0A 20 20 20 20 20 20 d
70 d 00 e