Read LG 47LK950S (CHASSIS:LD12P) Service Manual online
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A
3 Command White Balance Adj. Map
A
Infrared Sensor Adj. Map
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
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 completed(OK Sign), check adj. status pre
4) Select mode in adj. Program and begin adjustment.
5) When adj. is completed(OK Sign), check adj. status pre
mode. (Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adj..
A
W/B Adj. must begin as start command “wb 00 00” , and
finish as end command “wb 00 ff”, and Adj. offset if need.
finish as end command “wb 00 ff”, and Adj. offset if need.
(2) Manual adj. method
1) Set TV in Adj. mode using POWER ON.
2) Zero Calibrate the probe of Color Analyzer, then place it
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 adjustment remote
control -> 9.White-Balance then press the cursor to the
right key (
right key (
G
).(When key(
G
) 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) Adjustment is performed in COOL, MEDIUM, WARM 3
modes of color temperature.
A
If internal pattern is not available, use RF input. In EZ
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. 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.
A
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.
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°)
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.
4.2.6. Reference (White Balance Adj. coordinate
and temperature)
A
Luminance : 204 Gray
A
Standard color coordinate and temperature using CS-1000
(over 26 inch)
(over 26 inch)
A
Standard color coordinate and temperature using CA-210
(CH 14)
(CH 14)
4.2.7. Edge LED White balance table
A
IOP & Edge LED module change color coordinate because
of aging time.
of aging time.
A
Apply under the color coordinate table, for compensated
aging time.
aging time.
- EDGE LED(LW47XX)
Command
SetID R Gain(HEX) G Gain(HEX) B Gain(HEX)
(lower case ASCII)
CMD1
CMD2
MIN
MAX
MIN
MAX
MIN
MAX
Cool
j
j
00
00
C0
00
C0
00
C0
Medium
j
k
00
00
C0
00
C0
00
C0
Warm
j
l
00
00
C0
00
C0
00
C0
Command
R Gain(HEX) G Gain(HEX) B Gain(HEX)
(lower case ASCII)
CMD1
CMD2
MIN
MAX
MIN
MAX
MIN
MAX
Cool
1
C
00
C0
00
C0
00
C0
Medium
1
D
00
C0
00
C0
00
C0
Warm
1
E
00
C0
00
C0
00
C0
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269
0.273
13000 K
0.0000
MEDIUM
0.285
0.293
9300 K
0.0000
WARM
0.313
0.329
6500 K
0.0000
Mode
Color Coordination
Temp
∆UV
x
y
COOL
0.269 ± 0.002
0.273 ± 0.002 13000 K
0.0000
MEDIUM
0.285 ± 0.002
0.293 ± 0.002
9300 K
0.0000
WARM
0.313 ± 0.002
0.329 ± 0.002
6500 K
0.0000
GP2
Aging Time
Cool
Medium
Warm
(Min.)
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
280
291
296
311
319
340
2
3-5
278
288
294
308
317
338
3
6-9
276
285
292
305
315
335
4
10-15
274
282
290
302
313
332
5
20-35
273
279
289
299
312
329
6
36-49
270
276
287
296
310
326
7
50-79
269
273
286
293
308
323
8
Over 80
269
273
285
293
308
323
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