LG 49UF6400 Service Manual page 18

4.3.7. EDGE & IOL LED White balance table
▪ Edge & ALEF LED module change color coordinate because
of aging time.
▪ Apply under the color coordinate table, for compensated
aging time.
Cool
Aging
time x
(Min)
271 270
1 0-2 282 289
2 3-5 281 287
3 6-9 279 284
4 10-19 277 280
5 20-35 275 277
6 36-49 274 274
7 50-79 273 272
8 80-119 272 271
9 Over 120 271 270
4.4. Local Dimming Function Check
(Only L/Dimming Supported Models)
(1) Turn on TV.
(2) At the Local Dimming mode, module Edge Backlight
moving right to left Back light of IOP module moving.
(3) Confirm the Local Dimming mode.
(4) Press "exit" Key.
4.5. Magic Motion Remote control test
- Equipment : RF Remote control for test, IR-KEY-Code
Remote control for test
- You must confirm the battery power of RF-Remote control
before test(recommend that change the battery per every lot)
- Sequence (test)
1) If you select the 'start key(OK)' on the Adjustment remote
control, you can pairing with the TV SET.
2) You can check the cursor on the TV Screen, when select
the "OK" key on the Adjustment remote control.
3) You must remove the pairing with the TV Set by select
'Mute + OK Key' on the Adjustment remote control.
4.6. Option selection per country
4.6.1. Overview
- Option selection is only done for models in AJ/JA/IL
4.6.2.Method
(1) Press "ADJ" key on the Adjustment remote control, then
select Country Group Menu.
(2) Depending on destination, select Country Group Code or
Country Group then on the lower Country option, select
US, CA, MX. Selection is done using +, - or ►◄ KEY.
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Medium Warm
y x y x
286 289 313
297 308 324
296 306 323
294 303 321
292 299 319
290 296 317
289 293 316
288 291 315
287 290 314
286 289 313
4.7. HDMI ARC Function Inspection
(1) Test equipment
- Optic Receiver Speaker
- MSHG-600 (SW: 1220 ↑)
- HDMI Cable (for 1.4 version)
(2) Test method
y
1) Insert the HDMI Cable to the HDMI ARC port from the
329
master equipment. (HDMI 2)
348
346
343
2) Check the sound from the TV Set.
339
336
333
331
330
329
3) Check the Sound from the Speaker or using AV & Optic
TEST program (It's connected to MSHG-600)
4.8. Ship-out mode check (In-stop)
- After final inspection, press In-Stop key of the Adjustment
remote control and check that the unit goes to Stand-by
mode.
5. GND and Internal Pressure check
5.1. Method
(1) GND & Internal Pressure auto-check preparation
- Check that Power Cord is fully inserted to the SET. (If
loose, re-insert)
(2) Perform GND & Internal Pressure auto-check
- Unit fully inserted Power cord, Antenna cable and A/V
arrive to the auto-check process.
- Connect D-terminal to AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator.
- If OK, changeover to I/P check automatically.
(Remove CORD, A/V form AV JACK BOX.)
- Perform I/P test
- If NG, Buzzer will sound to inform the operator.
- If OK, Good lamp will lit up and the stopper will allow the
pallet to move on to next process.
5.2. Checkpoint
▪ TEST voltage
- GND: 1.5 KV / min at 100 mA
- SIGNAL: 3 KV / min at 100 mA
▪ TEST time: 1 second
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE
METAL GND
- Internal Pressure TEST = POWER CORD GND & LIVE &
NEUTRAL
▪ LEAKAGE CURRENT: At 0.5 mArms
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LGE Internal Use Only