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LG 32LF56 Z Series Service Manual page 13

Chassis : ld55t

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3.4. Function Check
- Check display and sound
■ Check Input and Signal items.
1) TV
2) AV (SCART / CVBS)
3) COMPONENT (480i)
4) 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. 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)
▪ If it is executed W/B adjustment in 2~3 minutes H/run, it is
adjusted by Target data.
Mode
Temp
Cool
13,000 K
Medium
9,300 K
Warm
6,500 K
▪ Normal line(LGD/CMI, March ~ December for Gumi, Global)
Aging time
NetCase5
x
(Min)
271
1
0-2
282
2
3-5
281
3
6-9
279
4
10-19
277
5
20-35
275
6
36-49
274
7
50-79
273
8
80-119
272
9
Over 120
271
▪ Normal line(LGD/CMI, January ~ February for Gumi, Apply
not Cinema Screen)
Aging time
x
NetCase5
(Min)
271
1
0-2
286
2
3-5
284
3
6-9
282
4
10-19
279
5
20-35
276
6
36-49
274
7
50-79
273
8
80-119
272
9
Over 120
271
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Coordinate spec
Target
X=0.271 (± 0.002)
X=0.278
Y=0.270 (± 0.002)
Y=0.280
X=0.286 (± 0.002)
X=0.293
Y=0.289 (± 0.002)
Y=0.299
X=0.313 (± 0.002)
X=0.320
Y=0.329 (± 0.002)
Y=0.339
Cool
Medium
Warm
y
x
y
x
270
286
289
313
289
297
308
324
287
296
306
323
284
294
303
321
280
292
299
319
277
290
296
317
274
289
293
316
272
288
291
315
271
287
290
314
270
286
289
313
Cool
Medium
Warm
y
x
y
x
270
286
289
313
295
301
314
328
290
299
309
326
287
297
306
324
283
294
302
321
278
291
297
318
275
289
294
316
272
288
291
315
271
287
290
314
270
286
289
313
▪ Aging chamber(LGD/CMI)
Aging time
NetCase4
(Min)
1
0-5
2
6-10
3
11-20
4
21-30
5
31-40
6
41-50
7
51-80
8
81-119
9
Over 120
▪ Use only AUO/Sharp/CSOT(Cool temp Spec is 13000 K)
x
spec
271
target
278
▪ W/B information
Model information
Model
Module
All
All
* 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.
y
329
348
Full White Pattern
346
343
339
336
333
RS-232C Communication
331
330
329
* Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10 lux).
(2) Adhere closely the Color analyzer(CA210) to the module
less than 10 cm distance, keep it with the surface of the
y
Module and Color analyzer's prove vertically.(80° ~ 100°).
329
(3) Aging time
354
- After aging start, keep the power on (no suspension of
349
power supply) and heat-run over 5 minutes.
346
- Using 'no signal' or 'POWER ONLY' or the others, check
the back light on.
342
337
334
331
330
329
- 13 -
Cool
Medium
x
y
x
271
270
285
293
280
285
294
308
276
280
290
303
272
275
286
298
269
272
283
295
267
268
281
291
266
265
280
288
265
263
279
286
264
261
278
284
264
260
278
283
Cool
Medium
y
x
y
270
286
289
280
293
299
Panel
Backlight Type
All
Direct LED
LGE Internal Use Only
Warm
y
x
y
313
329
319
340
315
335
311
330
308
327
306
323
305
320
304
318
303
316
303
315
Warm
x
y
313
329
320
339
W/B information
Using W/B table
O
CA-210
COLOR
ANALYZER
TYPE : CA-210

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