Adjustment Instruction - LG 37LC2D Service Manual

1. Application Range
This spec. sheet is applied to all of the LT61A chassis
manufactured at LG TV Plant all over the world.
2. Specification.
2.1 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.
2.2 Adjustment must be done in the correct sequence.
2.3 The adjustment must be performed at 25±5°C
temperature and 65±10% relative humidity if there is no
specified designation.
2.4 The input voltage of the receiver must be kept between
100~220V, 50/60Hz.
2.5 Before adjustment, execute Heat-Run for 30 minutes at
RF no signal.
3. EDID
[ Caution
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
=> Caution: - Never connect HDMI & D-sub Cable at the
same time.
- Use the proper cables below for EDID Writing
3.1 Data
1. ANALOG(128 Bytes)
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 00 00 01 01 01 01
10 00 10 01 03 68 52 2F 96 EA D9 B0 A3 57 49 9C 25
20 11 49 4B AF CE 00 31 4F 45 4F 61 4F 01 01 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 BC 88 21 00 00 1C 4E 1F 00 80 51 00 1E 30
50 40 80 37 00 BC 88 21 00 00 18 00 00 00 FD 00 38
60 4B 1F 3D 09 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 33 37 4C 43 32 44 2D 44 41 0A 20 20 20 00 F6
2. HDMI(256 Bytes)
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 00 00 01 01 01 01
10 00 10 01 03 80 52 2F 96 EA D9 B0 A3 57 49 9C 25
20 11 49 4B A5 CE 00 31 4F 45 4F 61 4F 01 01 01 01
30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88
40 35 00 BC 88 21 00 00 1C 4C 1F 00 90 51 00 1E 30
50 BB 88 97 00 A2 0B 32 00 00 1E 00 00 00 FC 00 33
60 37 4C 43 32 44 2D 44 41 0A 20 20 20 00 00 00 FD
70 00 38 4B 1F 3D 09 00 0A 20 20 20 20 20 20 01 76
80 02 03 1D 72 23 08 07 07 4A 85 04 03 02 01 14 13
90 12 11 00 83 01 00 00 65 03 0C 00 10 00 01 1D 80
A0 D0 72 1C 16 20 10 2C 25 80 C4 8E 21 00 00 9E 01
B0 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 00 00
C0 9E 01 1D 00 BC 52 D0 1E 20 B8 28 55 40 C4 8E 21
D0 00 00 1E 01 1D 00 72 51 D0 1E 20 6E 28 55 00 C4
E0 8E 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96
F0 00 13 8E 21 00 00 18 00 00 00 00 00 00 00 00 1B

ADJUSTMENT INSTRUCTION

4. ADC Calibration
ADC RF/VIDEO/S-VIDEO
MSPG925F VIDEO1
Model: 201 (NTSC-M) Pattern: 33
Pattern: 33
*NTSC 100% Color Bar
=> Caution: - System control RS-232 Host should be "PC" for
adjustment.
4.1 Adjustment of RF/VIDEO/S-VIDEO
[ Required Equipments
l Remote controller for adjustment
l MSPG-925F Pattern Generator (Which has Video Signal:
100% Color Bar Pattern shown in Fig. 1)
=> Model: 201 / Pattern : 33 (NTSC-M)
4.1.1 Method of Auto RF/VIDEO/S-VIDEO Color Balance.
1) Input the Video Signal: 100% Color Bar signal into
VIDEO1
2) Set the EZ PICTURE to Optimum mode in the Picture
menu.
3) Press ADJ key on R/C for adjustment.
4) Press the G (Vol. +) key to operate the set, then it becomes
automatically.
5) Auto-RGB OK means the adjustment is completed.
4.2 Adjustment of Component.
[ Required Equipments
l Remote controller for adjustment
l MSPG-925F Pattern Generator e Model: 217 / Pattern: 33
(Which has 720p YPbPr output Pattern shown in Fig. 2)
- 9 -
Component RGB
Model: 217(720P) Model: 39
(1024*768 60Hz)
*720P 100% Color Bar Pattern: 33
*XGA 100% Color Bar
[Fig.1]