Read LG 72LEX9S-CA (CHASSIS:LC03N) Service Manual online
- 13 -
5.2.5 Adj. method
5.2.5.1 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 adj.
5) When adj. is complete (OK), check adj. status pre mode
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
5.2.5.2 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 EZ adjust using adj. R/C
7. White-Balance then press the cursor to the
).
(When KEY
) is pressed 216 Gray internal pattern will
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
▪ If internal pattern is not available, use RF input.
In EZ Adj. menu 7.White Balance, you can select
pattern: ON, OFF. Default is inner(ON).
FF, you can adjust using RF signal in
5.2.5.3 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
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.
(Warm, Medium, Cool)
right (KEY
be displayed)
of color temperature.
one of 2 Test-
By selecting O
216 Gray pattern.
and perpendicular of the module surface (80°~ 100°)
5.2.6 Reference (White Balance Adj. coordinate and
color temperature)
- Luminance: 216 Gray
- Standard color coordinate and temperature using
CS-1000 (over 26 inch)
Coordinate
Mode
x
y
Temp
△
uv
Cool
0.269 0.273 13000K 0.0000
Medium 0.285 0.293
9300K 0.0000
Warm
0.313 0.329
6500K 0.0000
- Standard color coordinate and temperature using
CA-210
(CH 14)
Coordinate
Mode
x
y
Temp
△
uv
Cool 0.269±0.002 0.273±0.002 13000K 0.0000
Medium 0.285±0.002 0.293±0.002 9300K 0.0000
Warm 0.313±0.002 0.329±0.002 6500K 0.0000
- Standard color coordinate and temperature using
CA-210
(CH 14)
: by aging time
Aging
time
Cool
Medium
Warm
(Min)
x
y
x
y
x
y
GP2
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
5.2.7 Local Dimming Inspection (Optional)
Push ‘TILT’ key of the Adj. R/C and check moving
Push ‘TILT’ key of the Adj. R/C and check moving
patterns.
The black cross-bar patterns moves from top-left to
Bottom-right.
If local dimming function does not work, a whole screen
shows full white.
5.3 EYE-Q function test
1) Turn on TV
1) Turn on TV
2) Press ‘EYE’ key of Adj. R/C
3) Cover the Eye Q II sensor on the front of the using
4) Confirm that R/G/B value is lower than 10 of the ‘Raw
R/G/B value is not lower than 10, replace Eye Q
II sensor.
5) Remove your hand from the Eye Q II sensor and
6) Confirm that “ok” pop up. If change is not seen,
your hand and wait for 6 seconds.
Data (Sensor data, Back light)’. If after 6 seconds,
wait for 6 seconds.
replace Eye Q II sensor
Click on the first or last page to see other 72LEX9S-CA (CHASSIS:LC03N) service manuals if exist.