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4.2.3. Equipment connection MAP
Probe
4.2.4. Adj. Command (Protocol)
<Command Format>
START 6E
A
50
A LEN A 03 A
- LEN: Number of Data Byte to be sent
- CMD: Command
- VAL: FOS Data value
- CS: Checksum of sent data
- A: Acknowledge
Ex) [Send: JA_00_DD] / [Ack: A_00_okDDX]
▪ RS-232C Command used during auto-adjustment.
RS-232C COMMAND
[CMD
ID
DATA]
wb
00
00
wb
00
10
wb
00
1f
wb
00
20
wb
00
2f
wb
00
ff
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. completed
*(wb 00 20(Start), wb 00 2f(end)) → Off-set adj.
wb 00 ff → End white balance auto-adj.
▪ Adj. Map
Command
Adj. item
(lower caseASCII)
CMD1
R Gain
j
G Gain
j
B Gain
j
Cool
R Cut
G Cut
B Cut
R Gain
j
G Gain
j
B Gain
j
Medium
R Cut
G Cut
B Cut
R Gain
j
G Gain
j
B Gain
j
Warm
R Cut
G Cut
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Co lo r Analyzer
RS -232C
Co m p ut er
RS -232C
RS -232C
Pat t ern Generat o r
Signal Source
* If TV internal pattern is used, not needed
CMD
A
00
A
VAL
A
Explanation
Begin White Balance adjustment
Gain adjustment(internal white pattern)
Gain adjustment completed
Offset adjustment(internal white pattern)
Offset adjustment completed
End White Balance adjustment
(internal pattern disappears )
Data Range
Default
(Hex.)
(Decimal)
CMD2
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
4.2.5. Adj. method
(1) Auto adj. method
1) Set TV in adj. mode using P-ONLY key(or 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. (Cool, Medium, Warm)
6) Remove probe and RS-232C 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.
CS STOP
(2) Manual adjustment. method
1) Set TV in Adj. mode using P-Only key.
2) Zero Calibrate the probe of Color Analyzer, then place it
on the center of LCD module within 10 cm of the surface.
3) Press ADJ key → EZ adjust using adj. R/C → 7. White-
Balance then press the cursor to the right(key ►).
(When right key(►) is pressed 204 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) Adjustment is performed in COOL, MEDIUM, WARM 3
modes of color temperature.
- 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 204 Gray pattern.
▪ Adjustment 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 10 cm and
perpendicular of the module surface (80° ~ 100°)
4.2.6. Reference (White balance Adj. coordinate and
color temperature)
▪ Luminance : 204 Gray
▪ Standard color coordinate and temperature using CS-1000
(over 26 inch)
Mode
Cool
Medium
Warm
▪ Standard color coordinate and temperature using CA-210
(CH 14)
Mode
Cool
0.271 ± 0.002 0.270 ± 0.002 13,000 K
Medium
0.286 ± 0.002 0.289 ± 0.002
Warm
0.313 ± 0.002 0.329 ± 0.002
- 14 -
Coordinate
x
y
0.271
0.270
13,000 K
0.286
0.289
0.313
0.329
Coordinate
x
y
LGE Internal Use Only
Temp
∆uv
0.0000
9,300 K
0.0000
6,500 K
0.0000
Temp
∆uv
0.0000
9,300 K
0.0000
6,500 K
0.0000
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