LG 42LT777H Service Manual page 11

4.5. Model name & Serial number Download
4.5.1. 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 Instart menu
4.5.2. 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.
a. Press the 'instart' key of ADJ remote controller.
b. Go to the menu '16.Model Number D/L' like below photo.
c. Input the Factory model name(ex 47LM960V-ZA) or Serial
number like photo.
d. Check the model name Instart menu -> Factory name
displayed (ex 47LM960V-ZA)
e. Check the Diagnostics (DTV country only) -> Buyer model
displayed (ex 47LM960V-ZA)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
4.6. EDID Download
4.6.1. 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".
4.6.2. Equipment
(1) Since EDID data is embedded, EDID download JIG, HDMI
cable and D-sub cable are not need.
(2) Adjust by using remote controller.
4.6.3. Download method
(1) Press Adj. key on the Adj. R/C,
(2) Select EDID D/L menu.
(3) By pressing Enter key, EDID download will begin
(4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
(5) If Download is failure, Re-try downloads.
※Caution: When EDID Download, must remove RGB/HDMI
Cable.
4.6.4. EDID DATA
4.6.4.1. PCM(US) _ XvYcc : 0n
▪Reference
- HDMI1 ~ HDMI3 / RGB
- In the data of EDID, bellows may be different by S/W or Input
mode.
ⓐ Product ID
HEX EDID Table
0001
0001
ⓑ Serial No: Controlled on production line.
ⓒ Month, Year: Controlled on production line:
ex) Monthly : '01' -> '01'
Year : '2012' -> '16'
ⓓ Model Name(Hex): LGTV
Chassis
LA2FF/
LA2FZ/ 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20
LA3BF
- 11 -
DDC Function
0100 Analog
0100 Digital
MODEL NAME(HEX)
LGE Internal Use Only