LG 37LH250H Service Manual page 14

MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator( MSPG-925 SERISE)
- Impress Resolution 1080p
MODEL: 223 in Pattern Generator(1080p Mode)
PATTERN: 65 in Pattern Generator( MSPG-925 SERISE)
5.2.2 Confirmation
• We confirm whether "0xB3 (480i)/0xBC (1080p)" address of
EEPROM "0xA2" is "0xAA" or not.
• If "0xB3 (480i)/0xBC(1080i)" address of EEPROM "0xA2"
isn't "0xAA", we adjust once more.
• We can confirm the ADC values from "0xAD~0XB2
(480i)/0XB6~BB(1080p)" addresses in a page "0xA2"
* Manual ADC process using Service Remocon. After enter
Service Mode by pushing "ADJ" key, execute "ADC Adjust" by
pushing "•" key at " 5. ADC Calibration" and then click "Start".
- Impress Resolution 480i/1080p/RGB
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
5.3 Function Check
5.3.1 Check display and sound
• Check Input and Signal items. ( cf. work instructions)
1.TV
2. AV (CVBS/ S-Video)
3.COMPONENT (480i)
4.RGB (PC : 1024 x 768 @ 60hz)
5.HDMI
6.PC Audio In and H/P Out
* Display and Sound check is executed by Remote controller.
5.4 EDID(The Extended Display Identification Data)
/ DDC(Display Data Channel) download
5.4.1 Overview
It is a VESA regulation. A PC or a MNT will display an optimal
resolution through information sharing without any necessity of
user input. It is a realization of "Plug and Play".
5.4.2 Equipment
• Adj. R/C
• Since embedded EDID data is used, EDID download jig,
HDMI cable and D-sub cable are not need.
5.4.3 Download method
1) Press Adj. key On the Adj. R/C, press Adj. key then select
EDID D/L. By pressing Enter key, EDID download will
begin.
2) If Download is successful, OK is displayed.
3) If Download is a failure, NG is displayed.
4) Re-try download.
5.4.4 EDID DATA
•Reference: Download is only possible in POWER ON MODE.
• HDMI I [C/S: 1DBA]
- 14 - LGE Internal Use Only