LG 39LY340C, Руководство по обслуживанию

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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 3D
(1)8Bit_
HD
(2)8Bit_
FHD
(3)10Bit_
FHD
(4)8Bit_
HD
(5)8Bit_
FHD
(6)10Bit_
FHD
RGB 88 - - - - -
HDMI1 6F8D E78D E746 6F60 E760 E719
HDMI2 6F7D E77D E736 6F50 E750 E709
PCM
Ver 0.10
not Deep Color, DTS + AC3 + PCM
2D
(7_a)8Bit_
HD
(7_b)8Bit_
HD
(8_a)8Bit_
FHD
(8_b)8Bit_
FHD
(9)10Bit_
FHD
RGB 88 - - - -
HDMI1 6F08 6F08 E708 E708 E7C1
HDMI2 6FF8 - E7F8 - E7B1
4.3. Tool Option Input
- Input Model Tool Option according to BOM
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. In order to
prevent saturation of Full Dynamic range and data, one of
R/G/B is fixed at 192, and the other two is lowered to find
the desired value.
(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