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ADJUSTMENT INSTRUCTION

1. Application Range

This spec. sheet is applied to all of the LD75A chassis
manufactured at LG TV Plant all over the world.
Ex.) LD75A : 37/42/47LB5DF-ZC, 37/42/47LY3DF-ZA

2. Specification

1.1 Because this is not a hot chassis, it is not necessary to
use an isolation transformer.
However, the use of isolation transformer will help to
protect test instruments.
1.2 Adjustment must be done in the correct sequence.
1.3 The adjustment must be performed at 25°æ5∞C
temperature and 65°æ10% relative humidity if there is
no specified designation.
1.4 The input voltage of the receiver must be kept between
100~220V, 50/60Hz.
1.5 Before adjustment, execute Heat-Run for 30 minutes at
RF no signal.

3. Channel Recover

* Use Channel Recover of System Control3 of Service
Menu. You can load The Channel Map In LGEMA and
LGEWR
1) Press ADJ key on Service Remote Control. And then
Choice System Control3.
2) Choice Channel Recover.
3) Press " " key. You can See "OK" letter. And Then The
Set power off automatically.
3) After Turn on the SET. You can confirm The Channel
map on Programme Edit OSD.
Warning … If you press IN-STOP key, The channel map
will disappear.

4. EDID

* When do Set Assembly, EDID data must scan in DDC

line.

Caution

* Use the proper signal cable for EDID Download

- Analog EDID : Pin3 exists

- Digital EDID : Pin3 exists

* Caution: - Never connect HDMI & D-sub Cable

at the same time.

- Use the proper cables below for

EDID Writing.

4.1. EDID Data
4.2. Data (Refer to Product specification)
1> ANALOG (128Bytes)
2> HDMI (256Bytes)
* Detail EDID Options are below ( , , , , )
Product ID
Month, Year : Controlled on production line:
ex) Monthly : ‘09’ -> ‘09’
Year : ‘2006’ -> ‘10’
Model Name(Hex) :
Checksum : Changeable by total EDID data.
* Before AV ADC Calibration, should be executed the Tool
Option setting.
Item Condition Hex(16) Data
Manufacturer ID GSM 1E6D
Version Digital : 1 01
Revision Digital : 3 03
Model Name Product ID Product ID
DEC Hex EDID Table
37/42/47LF65 XXXX XX XX XXXX
37/42/47LY95 XXXX XX XX XXXX
Model Name Model Name(Hex)
37/42/47LF65 XXXX
37/42/47LY95 XXXX
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 00 FF FF FF FF FF FF 00 1E 6D
01 01 03 01 46 27 78 EA D9 B0 A3 57 49 9C 25
02 11 49 4B A5 6E 80 31 40 45 40 61 40 D1 C0 01 01
03 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
04 35 00 BC 88 21 00 00 1C 4E 1F 00 80 51 00 1E 30
05 35 00 BC 88 21 00 00 1C 4E 1F 00 80 51 00 1E 30
06 4B 1F 3D 09 00 0A 20 20 20 20 20 20
07 00
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00 00 FF FF FF FF FF FF 00 1E 6D
01 01 03 80 46 27 78 EA D9 B0 A3 57 49 9C 25
02 11 49 4B 00 00 00 01 01 01 01 01 01 01 01 01 01
03 01 01 01 01 01 01 8C 0A D0 8A 20 E0 2D 10 10 3E
04 96 00 C4 8E 21 00 00 18 8C 0A D0 90 20 40 31 20
05 0C 40 55 00 C4 8E 21 00 00 18
06 00 00 00 FD
07 00 38 4B 1F 3D 09 00 0A 20 20 20 20 20 20 01
00 02 03 1E F1 4B 82 11 01 03 12 13 04 14 05 1F 10
01 20 21 22 23 09 07 07 83 01 00 00 65 03 0C 00 10
02 00 01 1D 00 BC 52 D0 1E 20 B8 28 55 40 C4 8E 21
03 00 00 1E 01 1D 00 72 51 D0 1E 20 6E 28 55 00 C4
04 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C 25
05 80 C4 8E 21 00 00 9E 01 1D 80 18 71 1C 16 20 58
06 2C 25 00 C4 8E 21 00 00 9E 8C 0A D0 90 20 40 31
07 20 0C 40 55 00 13 8E 21 00 00 18 00 00 00 00 CA
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