Auto Adj. Method (Not Oled); Manual Adj. Method; G-Fix Adjustment; Adj. Condition And Cautionary Items - LG 65UH950V Service Manual

Ex) wb 00 00 -> Begin white balance auto-adj.
wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
wb 00 1f -> Gain adj. complete
*(wb 00 20(start), wb 00 2f(endc)) -> Off-set adj.
wb 00 ff ->End white balance auto adj
▪Adj. Map
Adj. Command
(lower case
ASCII)
CMD1
Cool R Gain j
G Gain j
B Gain j
R Cut
G Cut
B Cut
Medium R Gain j
G Gain j
B Gain j
R Cut
G Cut
B Cut
Warm R Gain j
G Gain j
B Gain j
R Cut
G Cut
5.1.5. Adjustment method

5.1.5.1. Auto adj. method (Not OLED)

(1) Set TV in adj. mode using POWER ON key
(2) Zero calibrate probe then place it on the center of the
Display
(3) Connect Cable (RS-232C to USB)
(4) Select mode in adj. Program and begin adj.
(5) When adj. is complete (OK Sign), check adj. status pre
mode (Warm, Medium, Cool)
(6) Remove probe and RS-232C to USB cable to complete
adj.
▪ W/B Adj. must begin as start command "wb 00 00" , and
finish as end command "wb 00 ff", and Adj. offset if need
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Data Range Default
(Hex.) (Decimal)
CMD2 MIN MAX
g 00 C0 TBD
h 00 C0 TBD
i 00 C0 TBD
TBD
TBD
TBD
a 00 C0 TBD
b 00 C0 TBD
c 00 C0 TBD
TBD
TBD
TBD
d 00 C0 TBD
e 00 C0 TBD
f 00 C0 TBD
TBD
TBD

5.1.5.2 Manual adj. method

(1) Set TV in Adj. mode using POWER ON
(2) Zero Calibrate the probe of Color Analyzer, then place it on
the center of LCD module within 10cm of the surface.
(3) Press ADJ key
Balance then press the cursor to the right (KEY ).
(When KEY( ) is pressed 216 Gray internal pattern will be
displayed.)
(4) One of R Gain / G Gain / B Gain should be fixed at 192,
and the rest will be lowered to meet the desired value.
(5) Adj. is performed in COOL, MEDIUM, WARM 3 modes of
color temperature.

** G-fix adjustment

- Adjust modes (Cool), Fix the G gain to 172 (default data)
and change the others (G/B Gain ).
- Adjust two modes(Medium / Warm), Fix the one of R/G/B
gain to 192 (default data) and decrease the others.
▪ If internal pattern is not available, use RF input. In EZ Adj.
menu 7.White Balance, you can select one of 2 Test-
pattern: ON, OFF. Default is inner(ON). By selecting OFF,
you can adjust using RF signal in 216 Gray pattern.

▪ 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
- PDP: Color Analyzer (CA-100, CA-100+, CA210)
probe should be firmly attached to the Module
- LCD: 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.
5.1.6. Reference (White Balance Adj. coordinate
and color temperature)
▪ Luminance: 206 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Coordinate
Mode
x
Cool 0.271
Medium 0.286
Warm 0.313
▪ Standard color coordinate and temperature using
CA-210(CH 14: LED, CH17: OLED)
Coordinate
Mode
x
Cool 0.271±0.002
Medium 0.286±0.002
Warm 0.313±0.002
- 21 -
EZ adjust using adj. R/C
Temp
y
0.270 13000K
0.289 9300K
0.329 6500K
Temp
y
0.270±0.002 13000K
0.289±0.002 9300K
0.329±0.002 6500K
LGE Internal Use Only
7. White-
∆uv
0.0000
0.0000
0.0000
∆uv
0.0000
0.0000
0.0000