LGE Internal Use OnlyCopyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 9 -
ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied to all of the 32" LCD TV,
LB73B
Chassis
2. Notes
(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 equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
(4) The input voltage of the receiver be must kept 220V~,
60Hz when adjusting.
(5) The receiver must be operational for about 15 minutes
prior to the adjustments.
* Perform preliminary operation after receiving 100% White
Pattern (06CH).(or 8. White Pattern status of Ez-Adjust)
* How to enter White Pattern
1) Press the POWER ON key on the adjustment remote
control or press the ADJ key on the adjustment remote
control to enter Ez-Adjust.
2) Select the ‘10.Test Pattern’ using the CH + / - key and
then select White using the arrow keys to display the
100% FULL WHITE PATTERN.
- In this mode, It is possible to heat run the set without
separate signal generator.
Caution : When you keep the still screen on for more than
20 minutes (Especially internal digital pattern (13 CH),
Cross Hatch Pattern (09CH) with higher black/white
contrast), be careful not to create residual image on the
black level part.
3. EDID(The Extended Display Identification Data)
/DDC(Display Data Channel) Download
3-1. Synopsis
This has been established by VESA and is the function
created to “Plug and Play” by making the computer
reconfigure user environment through communication with the
monitor automatically without having the user set commands
directly to the PC or the monitor so that the user can use it
immediately.
* When writing EDID, use DDC2B protocol.
3-2. HDMI EDID Data Input
(1) Required Test Equipment
1) PC, Jig for adjusting DDC. (PC serial to D-sub
Connection equipment)
2) S/W for writing DDC (EDID data write & read)
3) D-Sub cable
4) Jig for HDMI Cable connection
(2) Adjustment preparation & device configuration
1) Configure as Fig. 1, and turn on the PC and JIG.
2) Run the DDC recording S/W (EDID Data Write & Read).
(Execute in DOS mode)
3-3. EDID DATA
(1) EDID for HDMI-1 (DDC (Display Data Channel) Data)
(2) EDID for HDMI-2 (DDC (Display Data Channel) Data)
<Fig. 1> Connection Diagram of CPLD Download
0123456789ABCDEF
000FFFFFFFFFFFF001E6D010001010101
10 00 11 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 23
20 09 48 4C AF CE 00 31 40 45 40 61 40 81 80 A9 40
30 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 70
40 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 40
50 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 30
60 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 00
0123456789ABCDEF
0 02031EF14E2022101F0102 0304051293
10 14 07 16 23 15 07 50 66 03 0C 00 10 00 80 01 1D
20 00 72 51 D0 1E 20 6E 28 55 00 C4 8E 21 00 00 1E
30 01 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 00
40 00 9E 8C 0A D0 90 20 40 31 20 0C 40 55 00 4C 6C
50 42 00 00 18 01 1D 00 BC 52 D0 1E 20 B8 28 55 40
60 C4 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C
70 25 80 C4 8E 21 00 00 9E 00 00 00 00 00 00 00 58
0123456789ABCDEF
000FFFFFFFFFFFF001E6D010001010101
10 00 11 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 23
20 09 48 4C AF CE 00 31 40 45 40 61 40 81 80 A9 40
30 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 70
40 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 40
50 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 30
60 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC
70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 00
0123456789ABCDEF
0 02031EF14E2022101F0102 0304051293
10 14 07 16 23 15 07 50 66 03 0C 00 20 00 80 01 1D
20 00 72 51 D0 1E 20 6E 28 55 00 C4 8E 21 00 00 1E
30 01 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 00
40 00 9E 8C 0A D0 90 20 40 31 20 0C 40 55 00 4C 6C
50 42 00 00 18 01 1D 00 BC 52 D0 1E 20 B8 28 55 40
60 C4 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C
70 25 80 C4 8E 21 00 00 9E 00 00 00 00 00 00 00 48