LG 37LV370S Service Manual page 11

Adj. Map
A
ITEM Command
Cmd 1
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
3 Command White Balance Adj. Map
A
Command SetID R Gain(HEX) G Gain(HEX) B Gain(HEX)
(lower case ASCII)
CMD1 CMD2
Cool j j 00
Medium j k 00
Warm j l 00
Infrared Sensor Adj. Map
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Command
(lower case ASCII)
CMD1 CMD2
Cool 1 C
Medium 1 D
Warm 1 E
4.2.5. Adj. method
(1) Auto adj. method
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)
4) Select mode in adj. Program and begin adjustment.
5) When adj. is complete (OK Sing), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj.
W/B Adj. must begin as start command "wb 00 00" , and
A
finish as end command "wb 00 ff", and Adj. offset if need.
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Only for training and service purposes
Data Range(Hex.) Default(Decimal)
Cmd 2 Min Max
g 00 C0
h 00 C0
i 00 C0
a 00 C0
b 00 C0
c 00 C0
d 00 C0
e 00 C0
f 00 C0
MIN MAX MIN MAX
00 C0 00 C0
00 C0 00 C0
00 C0 00 C0
R Gain(HEX) G Gain(HEX) B Gain(HEX)
MIN MAX MIN MAX
00 C0 00 C0
00 C0 00 C0
00 C0 00 C0
(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 -> EZ adjust using adj. R/C -> 9.White-
Balance then press the cursor to the right (KEY
(When KEY(
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.
If internal pattern is not available, use RF input. In EZ
A
Adj. menu 9.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
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1) Lighting condition in surrounding area
2) Probe location
3) Aging time
MIN MAX
00 C0
00 C0
4.2.6. Reference (White Balance Adj. coordinate
00 C0
and temperature)
Luminance : 204 Gray
A
Standard color coordinate and temperature using CS-1000
A
(over 26 inch)
Mode
MIN MAX
00 C0
COOL
00 C0
MEDIUM
00 C0
WARM
Standard color coordinate and temperature using CA-
A
210(CH 14)
Mode
COOL
MEDIUM
WARM
- 11 -
) is pressed 216 Gray internal pattern will
G
Surrounding lighting should be lower 10 lux. Try to
isolate adj. area into dark surrounding.
: Color Analyzer (CA-210) probe should be within
10cm and perpendicular of the module surface (80°~
100°)
- 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.
Color Coordination
x y
0.269 0.273
0.285 0.293
0.313 0.329
Color Coordination
x y
0.269 ± 0.002 0.273 ± 0.002 13000 K
0.285 ± 0.002 0.293 ± 0.002
0.313 ± 0.002 0.329 ± 0.002
).
G
Temp ∆UV
13000 K 0.0000
9300 K 0.0000
6500 K 0.0000
Temp ∆UV
0.0000
9300 K 0.0000
6500 K 0.0000
LGE Internal Use Only