LG 43LF513A-TA Service Manual Download

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LGE Internal Use Only

Only for training and service purposes

ADJUSTMENT INSTRUCTION

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)

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

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.

■ 8bit FHD large inch

ⓐ

Checksum: Changeable b y total EDID data.

Item

CMD 1 CMD 2 Data 0

Enter Adjust

MODE

Adjust

‘Mode In’

0 0 When transfer the ‘Mode In’,

Carry the command.

ADC adjust ADC

Adjust

1 0 Automatically adjustment

(The use of a internal pattern)

EZ ADJUST

0. Tool Option1
1. Tool Option2
2. Area Option
3. ADC Calibration
9. W/V ADJUST

5. EDID D/L(AC3)

►

EDID D/L

HDMI1

HDMI2

Start

Reset

EDID D/L

HDMI1

HDMI2

Start

Reset

** HDMI 1 : 256Bytes

00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01

10 01 19 01 03 80 A0 5A 78 0A D9 B0 A3 57 49 9C 25
20 11 49 4B 21 08 00 01 01 45 40 61 40 01 01 81 80
30 01 01 D1 C0 01 01 02 3A 80 18 71 38 2D 40 58 2C
40 45 00 08 44 21 00 00 1E 1B 21 50 A0 51 00 1E 30
50 48 88 35 00 BC 88 21 00 00 1C 00 00 00 FC 00 4C
60 47 20 54 56 0A 20 20 20 20 20 20 20 00 00 00 FD
70 00 3A 3F 1C 44 0F 00 0A 20 20 20 20 20 20 01

ⓐ

80 02 03 28 F1 4F 90 07 01 16 02 03 11 12 13 04 14
90 05 20 22 1F 26 11 07 50 09 7F 07 83 01 00 00 68

A0 03 0C 00 10 00 80 1E 00 01 1D 00 80 51 D0 1C 20
B0 40 80 35 00 BC 88 21 00 00 1E 8C 0A D0 8A 20 E0
C0 2D 10 10 3E 96 00 13 8E 21 00 00 18 8C 0A A0 14
D0 51 F0 16 00 26 7C 43 00 C4 8E 21 00 00 98 01 1D
E0 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 00 00 9E
F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

ⓐ

EDID C/S data

FHD(8 bit)

HDMI

check sum (Hex)

Block 0

Block 1

44(HDMI1)
34(HDMI2)