LG 26LG30R, Руководство по обслуживанию

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Only for training and service purposes - 11 -
6. EDID
(The Extended Display Identification Data )
/DDC
(Display Data Channel)
download
* Caution
Use the proper signal cable for EDID Download
6-1. EDID DOWNLOAD
* Caution:
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing
* EDID Data
* LP81A HD Model EDID
<Analog : 128bytes>
<HDMI 1 : 256bytes> / <HDMI 2 : 256bytes>
The data is same without Physical address
-> Physical address(F) : HDMI 1 -> 10, HDMI 2 -> 20
- Detail EDID Options are below (A, B, C, D, E, F)
A. Product ID
B. Serial No: Controlled on production line
C. Month, Year: Controlled on production line:
ex) Monthly: ‘09 ‘09
Year: ‘2007 Ë ‘11’
D. Model Name(Hex):
E Checksum: Changeable by total EDID data
6-2. HDCP SETTING
(High-Bandwidth Digital Contents Protection)
- Connect D-sub Signal Cable to D-Sub Jack
- Input HDCP key with HDCP-key- in-program
- HDCP Key value is stored on EEPROM(AT24C64) which is
From “0x80” addresses of 0xA0 page
- AC off/ on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925
- HDCP Key value is different among the sets.,
7. Adjustment of White Balance
7-1. Purpose and Principle for adjustment
of the color temperature
- Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
- Principle : To adjust the white balance without the saturation,
Fix the one of R/G/B gain to C0 and decrease the others.
7-2. Adjustment mode : Two modes of Cool
and Warm
(Medium data is automatically calibrated by the Cool data)
* Required Equipment
- Remote controller for adjustment
- Color Analyzer : CA100+ or CA-210 or same product (ch:9)
- Auto W/B adjustment instrument(only for Auto adjustment)
7-3. Connecting diagram of equipment for
measuring (For Automatic Adjustment)
Item
Manufacturer ID
Version
Revision
Condition
GSM
Digital : 1
Digital :3
Data
1E6D
01
03
For HDMI EDID For RGB EDID
A
C
D
E
D
B
A B
C
D
F
D
E
Model name Model Name(HEX)
LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20