- 12 -
LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
ⓔ Checksum: Changeable by total EDID data.(2D)
ⓕ Vendor Specific
1) HD/FHD Model(2D)
3.5. Function Check
(1) Check display and sound
■ Check Input and Signal items. (cf. work instructions)
1) TV
2) AV (SCART / CVBS)
3) COMPONENT (480i)
4) HDMI
* Display and Sound check is executed by Remote
control.
Caution : Not to push the INSTOP KEY after completion if
the function inspection.
4. Total Assembly line process
4.1. White Balance adjustment
■ W/B Equipment condition
CA210 : LED CH 14, Test signal : Inner pattern (80IRE)
■ Above 5 minutes H/run in the inner pattern. (“power on” key
of adjust remote control)
■ If it is executed W/B adjustment in 2~3 minutes H/run, it is
adjusted by Target data
- Cool temp Spec is 13000K
- W/B information
Connecting picture of the measuring instrument
(On Automatic control)
: Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C P-ONLY Enter the
mode of White-Balance, the pattern will come out.
4.1.1. Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (Illumination is less than 10ux).
(2) Adhere closely the Color Analyzer ( CA210 ) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer’s Prove vertically.(90° +/- 2.5°).
(3) Aging time
-. After aging start, keep the power on (no suspension of
power supply) and heat-run over 5 minutes.
-. Using ‘no signal’ or ‘POWER ONLY’ or the others, check the
back light on.
▪ Auto adjustment Map (using RS-232C to USB cable)
RS-232C COMMAND
[ CMD ID DATA ]
Wb 00 00 White Balance Start
Wb 00 ff White Balance End
EDID C/S data HD FHD
HDMI HDMI
check sum
(Hex)
Block 0 73 3F
Block 1 5B (HDMI1) 25 (HDMI1)
4B (HDMI2) 15 (HDMI2)
INPUT MODEL NAME(HEX)
HDMI1 67 03 0C 00 10 00 80 1E
HDMI2 67 03 0C 00 20 00 80 1E
Color
Temper-
ature
Mode Temp Coordinate
spec
Target Chassis
or Model
Cool 13,000k X=0.271
(±0.002)
Y=0.270
(±0.002)
X=0.278
Y=0.280
ALL
Model
(LD67T/
LD67B/
LD67C)
Me-
dium
9,300k X=0.286
(±0.002)
Y=0.289
(±0.002)
X=0.293
Y=0.299
Warm 6,500k X=0.313
(±0.002)
Y=0.329
(±0.002)
X=0.320
Y=0.339
cool med warm
x y x y x y
spec 271 270 286 289 313 329
target 278 280 293 299 320 339
Model information W/B information
Chassis or
Model
Module Panel Backlight
Type
Using W/B table
LD67T/B/C All All Direct LED O
RS-232C
COMMAND
[CMD ID DATA] MIN
CENTER
(DEFAULT)
MAX
Cool Mid Warm Cool Mid Warm
R Gain jg Ja jd 00 172 192 192 254
G Gain jh Jb je 00 172 192 192 192
B Gain ji Jc jf 00 192 192 172 254
R Cut 64 64 64 128
G Cut 64 64 64 128
B Cut 64 64 64 128
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