Adjustment Instruction - LG 42LF66 Service Manual

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
Item
Manufacturer ID
Version
Revision

ADJUSTMENT INSTRUCTION

Condition Hex(16) Data
GSM 1E6D
Digital : 1 01
Digital : 3 03
4.2. Data (Refer to Product specification)
1> ANALOG (128Bytes)
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
2> HDMI (256Bytes)
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
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
* Detail EDID Options are below ( ,
Product ID
Model Name Product ID
37/42/47LF65
37/42/47LY95
Month, Year : Controlled on production line:
Model Name(Hex) :
Model Name
37/42/47LF65
37/42/47LY95
Checksum : Changeable by total EDID data.
* Before AV ADC Calibration, should be executed the Tool
Option setting.
- 15 -
, ,
Product ID
DEC Hex
XXXX XX XX
XXXX XX XX
ex) Monthly : '09' -> '09'
Year : '2006' -> '10'
Model Name(Hex)
XXXX
XXXX
00
00 00 00 FD
, )
EDID Table
XXXX
XXXX