Method & Notice; Model Name & Serial Number D/L; Signal Table; Command Set - LG 42LV3400 Service Manual

* Detail EDID Options are below
ⓐ Product ID
Model Name HEX
HD/FHD Model 0001
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Week : '01' -> '01'
Year : '2011' -> '15' fix
ⓓ Model Name(Hex):
MODEL
all 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
ⓔ Checksum: Changeable by total EDID data.
ⓕ Vendor Specific(HDMI)
INPUT
HDMI1
HDMI2
HDMI3
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 Product/Service
info..(menu key -> red key -> select product/Service info)

5.1. Signal TABLE

CMD LENGTH ADH ADL
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

5.2. Command Set

No. Adjust mode CMD(hex)
1
EEPROM WRITE
* 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,.
Copyright © 2011 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
EDID Table DDC Function
01 00 Analog/Digital
MODEL NAME(HEX)
MODEL NAME(HEX)
67030C001000B82D
67030C002000B82D
67030C003000B82D
DATA_1 . . . Data_n
LENGTH(hex) Description
n-bytes Write (n = 1~16)
A0h 84h+n
5.3. Method & notice
A. Serial number D/L is using of scan equipment.
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.
* 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 Adjustment remote control.
2) Go to the menu '6.Model Number D/L' like below photo.
3) Input the Factory model name(ex 32LV2510-TB) or Serial
number like photo.
4) Check the model name Instart menu. -> Factory name
displayed. (ex 32LV2510-TB)
5) Check the Product/Service info..(Menu key -> Red key ->
Select product/Service info) -> Buyer model displayed. (ex
32LV2510-TB)
CS DELAY
- 13 - LGE Internal Use Only