Read LG 42LV770S (CHASSIS:LD12D) Service Manual online
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4.3.5. Adjustment method
(1) Auto adjustment 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 adjustment is complete (OK Sign), check adj.
4) Select mode in adj. Program and begin adjustment.
5) When adjustment is complete (OK Sign), check adj.
status pre mode.(Warm, Medium, Cool)
6) Remove probe and RS-232C cable to complete adjustment.
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 adjustment method
1) Set TV in Adjustment mode using POWER ON.
2) Zero Calibrate the probe of Color Analyzer, then place it on
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 Adjustment remote
control -> 7. White-Balance then press the cursor to the
right(
right(
G
) key.
(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.
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.
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°)
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 : 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)
4.3.7. ALELF & Edge LED White balance table
A
Edge LED module change color coordinate because of
aging time.
aging time.
A
Apply under the color coordinate table, for compensated
aging time.
aging time.
[ALELF]
4.4. Wireless function check
Step 1) Connect set and Dongle of Wireless to Cable of HDMI
& TTA 20Pin
Step 2) At OSD of SET, check the message like Fig.3
Step 3) Detach Cable of Wireless Dongle
Step 3) Detach Cable of Wireless Dongle
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
GP3
Aging Time
Cool
Medium
Warm
(Min.)
X
Y
X
Y
X
Y
269
273
285
293
313
329
1
0-2
282
294
298
314
322
343
2
3-5
281
292
297
312
321
341
3
6-9
280
291
296
311
320
340
4
10-19
279
289
295
309
319
338
5
20-35
277
284
293
304
317
333
6
36-49
274
279
290
299
314
328
7
50-79
271
277
287
297
311
326
8
80-149
270
274
286
294
310
323
9
Over 150
269
273
285
293
309
322
Fi g . 1
< Do ng le>
Fig . 3 Connect the Dongle
( Do ng le Co n n ec t io n Di s p lay)
Fi g . 2
< Wireles s Read y Set >
Connect
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