LG 19LG31 Service Manual page 10

W/B ADJUST
0. MODE : RGB
1. WHITE PATTERN : White
2. TEMPERATURE : Cool
3. R - GAIN : 128
4. G - GAIN : 128
5. B - GAIN : 128
6. R – OFFSET : 128
7. G – OFFSET : 128
8. B – OFFSET : 128
9. RESET
4.5. DDC EDID WRITE
1) Connect D-sub Signal Cable to D-Sub Jack.
2) Connect HDMI Signal Cable to HDMI Jack.
3) Write EDID DATA to EEPROM (24C02) by using DDC2B
protocol.
4) Check whether written EDID data is correct or not. (Refer to
Product spec).
5) Remark : A week manufacture in address 0x10 can be
changed. And thus Checksum (Address: 0x7F)
can be also changed.
4.5.1. 19LG30 EDID DATA
(1) ANALOG DATA 128Byte
- Remark: A week manufacture in address 0x10 can be
changed. And thus Checksum (Address: 0x7F)
can be also changed.
(2) DIGITAL DATA 256Byte
- Remark: A week manufacture in address 0x10 can be
changed. And thus Checksum (Address: 0x7F)
can be also changed.
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.6. HDCP setting
(High-Bandwidth Digital Contents Protection)
1) Connect D-sub Signal Cable to D-Sub Jack.
2) Input HDCP key with HDCP-key- in-program.
3) HDCP Key value is stored on EEPROM(AT24C512) which
is 80~A1 addresses of 0xA0~0xA2 page
4) AC off/ on and on HDCP button of MSPG925 and confirm
whether picture is displayed or not of using MSPG925
5) HDCP Key value is different among the sets.
- 10 - LGE Internal Use Only