LG 42LA8600, Service Manual

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- 15 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
* 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)
It 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 "5.Model Number D/L" like below photo.
3) Input the Factory model name(ex 55LM8600-TA) or Serial
number like photo.
4) Check the model name Instart menu. -> Factory name
displayed. (ex 55LA8600-TA)
5) Check the Diagnostics.(DTV country only) -> Buyer model
displayed. (ex 55LA8600-TA)
3.6. WIFI MAC ADDRESS CHECK
(1) Using RS232 Command
(2) Check the menu on in-start.
4. Manual Adjustment
* ADC adjustment is not needed because of OTP(Auto ADC
adjustment)
4.1. EDID(The Extended Display Identification
Data)/DDC(Display Data Channel) download
4.1.1. 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".
4.1.2. Equipment
- Since embedded EDID data is used, EDID download JIG,
HDMI cable and D-sub cable are not need.
- Adjustment remote control
4.1.3. Download method
(1) Press "ADJ" key on the Adjustment remote control, then
select "12.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.
4.2.4. EDID DATA
▪ Reference
- HDMI1 ~ HDMI4
- In the data of EDID, bellows may be different by Input mode.
ⓐ
Product ID
ⓑ
Serial No: Controlled on production line.
ⓒ
Month, Year: Controlled on production line:
ex) Monthly : ‘01’ → ‘01’, Year : ‘2013’ → ‘17’
ⓓ
Model Name(Hex): LGTV
Cf) TV set’s model name in EDID data is below.
ⓔ
Checksum(LG TV): Changeable by total EDID data.
ⓕ
Vendor Specific(HDMI)
Command Set ACK
Transmission [A][I][][Set ID][][20][Cr] [O][K][X] or [NG]
For HDMI EDID
DVI-D to HDMI or HDMI to HDMI
0 1 2 3 4 5 6 7 8 9 A B C D E F
0x00 00 FF FF FF FF FF FF 00 1E 6D
ⓐ ⓑ
0x01
ⓒ
01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26
0x02 0F 50 54 A1 8 00 31 40 45 40 61 40 71 40 81 80
0x03 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C
0x04 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30
0x05 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A
0x06 3E 1E 53 10 00 0A 20 20 20 20 20 20
ⓓ
0x07
ⓓ
01
ⓔ1
0x00 02 03 3A F1 4E 10 9F 04 13 05 14 03 02 12 20 21
0x01 22 15 01 29 3D 06 C0 15 07 50
ⓕ
0x02
ⓕ
0x03
ⓕ 10 28
10 E3 05 03 01 02 3A 80 18 71 38
0x04 2D 40 58 2C 45 00 40 84 63 00 00 1E 01 1D 80 18
0x05 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 01 1D
0x06 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 00 1E
0x07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ⓔ2