LG 43LX310C, Service Manual

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Only for training and service purposes
4.2. EDID Download
4.2.1. 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”.
4.2.2. Equipment
(1) Since EDID data is embedded, EDID download JIG, HDMI
cable is not need.
(2) Adjust by using remote controller
4.2.3. Download method
(1) Press Adj. key on the Adj. R/C.
(2) Select EDID D/L menu.
(3) By pressing Enter key, EDID download will begin
(4) If Download is successful, OK is display, but If Download is
failure, NG is displayed.
(5) If Download is failure, Re-try downloads.
※
Caution : When EDID Download, must remove HDMI
Cable.
4.2.3.1. Models for EDID Data
DTS
Ver 0.10
not Deep Color, DTS + AC3 + PCM
2D
8Bit_HD
8Bit_FHD 10Bit_FHD
RGB 87 FF FF
HDMI1 6E8D E68D E646
HDMI2 6E7D E67D E636
PCM
Ver 0.10
not Deep Color, PCM
2D
8Bit_HD
8Bit_FHD 10Bit_FHD
RGB 87 FF FF
HDMI1 6E08 E608 E6C1
HDMI2 6EF8 E6F8 E6B1
AC3
Ver 0.10
not Deep Color, AC3 + PCM
2D
8Bit_HD
8Bit_FHD 10Bit_FHD
RGB 87 FF
HDMI1 6E96 E696
HDMI2 6E86 E686
5. Final Assembly Adjustment
5.1. White Balance Adjustment
5.1.1. Overview
5.1.1.1. W/B adj. Objective & How-it-works
(1) Objective: To reduce each Panel’s W/B deviation
(2) How-it-works: When R/G/B gain in the OSD is at 192, it
means the panel is at its Full Dynamic Range.
- Case : Cool Mode
To adjust the white balance without the saturation, G
gain should be adjust at least 172 and change the
others (R,B Gain)
* When R or B gain is over 255, G gain can be adjust
below 172)
- Case : Medium / Warm Mode
To adjust the white balance without the saturation, Fix
the one of R/G/B gain to 192 (default data) and
decrease the others.
(3) Adj. condition: normal temperature
- Surrounding Temperature: 25±5 ºC
- Warm-up time: About 5 Min
- Surrounding Humidity: 20% ~ 80%
- Before White balance adjustment, Keep power on status,
don’t power off
5.1.1.2. Adj. condition and cautionary items
(1) Lighting condition in surrounding area surrounding lighting
should be lower 10 lux. Try to isolate adj. area into dark
surrounding.
(2) Probe location: Color Analyzer (CA-210) probe should be
within 10cm and perpendicular of the module surface
(80°~ 100°)
(3) Aging time
- After Aging Start, Keep the Power ON status during 5
Minutes.
- In case of LCD, Back-light on should be checked using no
signal or Full-white pattern.
5.1.2. Equipment
(1) Color Analyzer: CA-210 (NCG: CH 9 / WCG: CH12 / LED:
CH14)
(2) Adj. Computer(During auto adj., RS-232C protocol is
needed)
(3) Adjust Remocon
(4) Video Signal Generator MSPG-925F 720p/204-Gray
(Model:217, Pattern:49)
→ Only when internal pattern is not available
※
Color Analyzer Matrix should be calibrated using
CS-1000