LG 43LH54 Series Service Manual page 12

ⓔ Checksum: Changeable by total EDID data.(2D)
EDID C/S data
check sum Block 0
(Hex)
Block 1
ⓕ Vendor Specific
1) HD/FHD Model(2D)
INPUT
HDMI1
HDMI2
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
Color Mode Temp
Temper-
ature
Cool 13,000k
Me- 9,300k
dium
Warm 6,500k
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
HD FHD
HDMI HDMI
73 3F
5B (HDMI1) 25 (HDMI1)
4B (HDMI2) 15 (HDMI2)
MODEL NAME(HEX)
67 03 0C 00 10 00 80 1E
67 03 0C 00 20 00 80 1E
Coordinate Target Chassis
spec or Model
X=0.271 X=0.278 ALL
(±0.002) Y=0.280 Model
Y=0.270 (LD67T/
(±0.002) LD67B/
LD67C)
X=0.286 X=0.293
(±0.002) Y=0.299
Y=0.289
(±0.002)
X=0.313 X=0.320
(±0.002) Y=0.339
Y=0.329
(±0.002)
- Cool temp Spec is 13000K
cool
x
spec 271
target 278
- W/B information
Model information
Chassis or Module
Model
LD67T/B/C All
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
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
Wb 00 ff
RS-232C
COMMAND
[CMD ID DATA]
Cool Mid
R Gain jg Ja
G Gain jh Jb
B Gain ji Jc
R Cut
G Cut
B Cut
- 12 -
med
y x y x
270 286 289 313
280 293 299 320
W/B information
Panel Backlight Using W/B table
Type
All Direct LED
White Balance Start
White Balance End
CENTER
(DEFAULT)
MIN
Warm Cool Mid
jd 00 172 192
je 00 172 192
jf 00 192 192
64 64
64 64
64 64
LGE Internal Use Only
warm
y
329
339
O
Enter the
MAX
Warm
192 254
192 192
172 254
64 128
64 128
64 128