Total Assembly Line Process; Function Check; V-Com Adjustment; White Balance Adjustment - LG 32LN52 Series Service Manual

3.4. Function Check

- Check display and sound
■ Check Input and Signal items.
1) TV
2) AV (SCART / CVBS)
3) HDMI
* Display and Sound check is executed by Remote control.
<Caution>
Not to push the INSTOP key after completion if the function
inspection.

4. Total Assembly line process

4.1.V-com adjustment

■ Insert V-com adjust pattern
(1) Push 'Power Only' key on SVC remote controller.
(2) Push 'Yellow' key.
(4) Push number '0' key.
- Default : 160
V-Com
▲
V-COM ◄ 160 ►
▼
Press OK to Saver
■ V-com adjust (Variable range : ±5)
- 5 digit move → push navigation key up or down.
- 1 digit move → push navigation key left or right.
Keep move V-com adjust until disappear flicker.
After V-com adjust push 'enter' (save) key.
■ Exit V-COM adjust pattern
- Push 'Power Only' key on SVC remote control.

4.2. White Balance adjustment

▪ W/B Equipment condition
CA210 : LED -> CH14, Test signal: Inner pattern(80IRE)
▪ Above 5 minutes H/run in the inner pattern. ("power on" key
of adjust remote control)
Mode Temp
X=0.271 (±0.002)
Cool 13,000 K
Y=0.270 (±0.002)
X=0.285 (±0.002)
Medium 9,300 K
Y=0.293 (±0.002)
X=0.313 (±0.002)
Warm 6,500 K
Y=0.329 (±0.002)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Coordinate spec
▪ Normal line(LGD/CMI, March ~ December for Gumi, Global)
Aging time
NetCase4
(Min)
1 0-2
2 3-5
3 6-9
4 10-19
5 20-35
6 36-49
7 50-79
8 80-119
9 Over 120
▪ Normal line(LGD/CMI, January ~ February for Gumi, Apply
not Cinema Screen)
Aging time
NetCase4
(Min)
1 0-2
2 3-5
3 6-9
4 10-19
5 20-35
6 36-49
7 50-79
8 80-119
9 Over 120
* Aging chamber(LGD/CMI)
Aging time
NetCase4
(Min)
1 0-2
2 3-5
3 6-9
4 10-19
5 20-35
6 36-49
7 50-79
8 80-119
9 Over 120
* Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C P-ONLY → Enter the
mode of White-Balance, the pattern will come out.
Full White Pattern
RS-232C Communication
- 12 -
Cool Medium
X y x y
271 270 285 293 313
281 287 295 310 320
280 285 294 308 319
278 284 292 307 317
276 281 290 304 315
275 277 289 300 314
274 274 288 297 313
273 272 287 295 312
272 271 286 294 311
271 270 285 293 310
Cool Medium
X y x y
271 270 285 293 313
283 292 297 315 322
282 290 296 313 321
280 288 294 311 319
277 284 291 307 316
275 279 289 302 314
274 275 288 298 313
273 272 287 295 312
272 271 286 294 311
271 270 285 293 310
Cool Medium
X y x y
271 270 285 293 313
280 285 294 308 319
276 280 290 303 315
272 275 286 298 311
269 272 283 295 308
267 268 281 291 306
266 265 280 288 305
265 263 279 286 304
264 261 278 284 303
264 260 278 283 303
CA-210
COLOR
ANALYZER
TYPE : CA-210
LGE Internal Use Only
Warm
x y
329
342
340
339
336
332
329
327
326
325
Warm
x y
329
347
345
343
339
334
330
327
326
325
Warm
x y
329
340
335
330
327
323
320
318
316
315