47LX9500-ZA, 47LX950N-ZA, 47LX9800-ZA, 47LX9900-ZA (CHASSIS:LD03R) - LG TV Service Manual (repair manual). Page 13

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- 13 -
4.3.5. 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.
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.
(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 -> 7. White-
Balance then press the cursor to the 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) Adj. 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 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.
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.
2) Probe location
: 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.
4.3.6. Reference (White Balance Adj. coordinate
and temperature)
A
Luminance : 216 Gray
A
Standard color coordinate and temperature using CS-1000
(over 26 inch)
A
Standard color coordinate and temperature using CA-
210(CH 9)
4.3.7. THX Adjustment(47/55LX95xx)
- In case of THX adjustment, it is automatically adjusted in
Warm mode of 5 point.
1) Adjustment of 100 IRE White Balance
2) Backlight adjustment to MAX 120 cd
3) Adjustment of Gamma2.2 each case of IRE(80, 60, 40, 20),
using 2) value.
4) In case of 10 IRE : R gain=0, G gain=0, B gain=0
5) Finish 5 point gamma & W/B adjustment.
4.3.8. IOP & Edge LED White balance table
A
IOP & Edge LED module change color coordinate because
of aging time.
A
apply under the color coordinate table, for compensated
aging time.
- IOP LED(LX95)
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
287
301
303
321
326
351
2
3-5
286
299
302
319
325
349
3
6-9
285
297
301
317
324
347
4
10-19
283
295
299
315
322
345
5
20-35
281
291
297
311
320
341
6
36-49
277
285
293
305
316
335
7
50-79
273
281
289
301
312
331
8
80-149
271
277
287
297
310
327
9
OVER 150
269
273
285
293
308
323

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