Adjustment Instruction - LG 43LF510A Service Manual

1. Application Range
This specification sheet is applied to all of the LED TV with
LB56A chassis.
2. Designation
(1) Because this is not a hot chassis, it is not necessary to
use an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep 100-220 V,
50/60Hz.
(5) The receiver must be operated for over 5 minutes prior to
the adjustment when module is in the circumstance of
above 15 °C.
In case of keeping module is in the circumstance of 0 °C, it
should be placed in the circumstance of above 15 °C for 2
hours.
In case of keeping module is in the circumstance of below
-20 °C, it should be placed in the circumstance of above 15
°C for 3 hours.
* Caution
When a still image is displayed for 20 minutes or longer
(especially where W/B scale is strong. Digital pattern 13ch
and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
3. ADC Calibration
- An ADC calibration is automatically adjusted from DFT-Jig
- If it needs to adjust manually, refer to appendix.
* ADC Calibration Protocol (RS232)
NO Item CMD 1 CMD 2 Data 0
Enter Adjust Adjust
A
MODE 'Mode In'
ADC
ADC adjust A
Adjust
Adjust Sequence
▪aa 00 00 [Enter Adjust Mode]
▪xb 00 40 [Component1 Input (480i)]
▪ad 00 10 [Adjust 480i Comp1]
▪aa 00 90 End Adjust mode
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes

ADJUSTMENT INSTRUCTION

When transfer the 'Mode In',
A 0 0
Carry the command.
Automatically adjustment
D 1 0
(The use of a internal pattern)
4. EDID Download
4.1. 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".
4.2. Equipment
- Since EDID data is embedded, EDID download JIG, HDMI
cable are not need.
4.3. Download method
- The EDID data is automatically saved.
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Area Option
3. ADC Calibration
9. W/V ADJUST
5. EDID D/L(AC3)
■ 8bit FHD large inch
** HDMI 1 : 256Bytes
0 1 2 3 4
0 00 FF FF FF FF FF FF 00 1E 6D 01
10 01 19 01 03 80 A0 5A 78 0A D9 B0 A3 57
20 11 49 4B 21 08
30 01 01 D1 C0 01
40 45 00 08 44 21
50 48 88 35 00 BC 88
60 47 20 54 56 0A 20
70 00 3A 3F 1C 44 0F 00 0A 20
80 02 03 28 F1 4F 90
90 05 20 22 1F 26
A0 03 0C 00 10 00
B0 40 80 35 00 BC 88
C0 2D 10 10 3E 96
D0 51 F0 16 00 26 7C 43
E0 80 18 71 1C 16
F0 00 00 00 00 00
ⓐ Checksum: Changeable b y total EDID data.
<Large FHD Model>
EDID C/S data
Block 0
check sum (Hex)
Block 1
- 9 -
EDID D/L
HDMI1 NG
HDMI2 NG
Start Reset
►
EDID D/L
HDMI1 OK
HDMI2 OK
Start Reset
5 6 7 8 9 A B C
00 01
00 01 01 45 40 61 40 01
01 02 3A 80 18 71 38 2D 40
00 00 1E 1B 21 50 A0 51
21 00 00 1C 00 00 00 FC 00 4C
20 20 20 20 20 20 00
20 20 20 20
07 01 16 02 03 11 12
11 07 50 09 7F 07 83 01
80 1E 00 01 1D 00 80 51 D0 1C 20
21 00 00 1E 8C 0A D0 8A 20 E0
00 13 8E 21 00 00 18 8C 0A A0 14
00 C4 8E 21 00 00
20 58 2C 25 00 C4 8E 21
00 00 00 00 00 00 00 00
FHD(8 bit)
HDMI
BF
44(HDMI1)
34(HDMI2)
LGE Internal Use Only
D E F
01 01 01
49 9C 25
01 81 80
58 2C
00 1E 30
00 00 FD
20 01
ⓐ
13 04 14
00 00 68
98 01 1D
00 00 9E
00 00
ⓐ