LG 72LZ9900-CA (CHASSIS:LC12N) Service Manual ▷ View online
C
- 16 -
1) Edge LED Models : LV5500/LV4500/LW6500/LW5500/LV2500
Aging time
Cool
Medium
Warm
(Min)
x
y
x
y
x
y
GP3
269
273
285
293
313
329
1
0-2
279 288 295 308
319
338
2
3-5
278
286
294
306 318 336
3
6-9
277
285
293
305
317
335
4
10-19
276 283 292 303 316 333
5
20-35
274 280 290 300 314 330
6
36-49
272 277 288 297 312 327
7
50-79
271 275 287 295 311 325
8
80-149
270 274 286 294 310 324
9
Over 150
269 273 285 293
309
323
5.1.7 Local Dimming Inspection (Optional)
Edge LED models with local dimming
1)
Press ‘TILT” key of the Adj. R/C and check moving patterns. The black bar patterns moves from
bottom to top.
If local dimming function does not work, a whole screen shows full white.
5.2 EYE-Q function check
Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using your hand and wait for 6 seconds
Step 4) Confirm that R/G/B value is lower than 10 of the “Raw Data (Sensor data, Back light )” . If after
6 seconds, R/G/B value is not lower than 10, replace Eye Q II sensor
Step 5) Remove your hand from the Eye Q II sensor and wait for 6 seconds
Step 6) Confirm that “ok” pop up.
If change is not seen, replace Eye Q II sensor
C
- 17 -
5.3 Option selection per country
5.3.1 Overview
LC12C
Chassis applied None USA model (CHINA ,HONGKONG)
5.3.2 Method
1) Press ADJ key on the Adj. R/C, then select Country Group Menu
(TBD)
2) Depending on destination, select KR or US, then on the lower Country option, select US,
CA, MX. Selection is done using +,
-
KEY
(TBD)
5.4 Tool Option selection
▪ Method: Press Adj. key on the Adj. R/C, then select Tool option.
6.1 Method
- Check that Power Cord is fully inserted to the SET.
(If loose, re-insert)
Model
Tool 1
Tool 2
Tool 3
Tool 4
Tool 5
Tool 6
72LZ9900-CA
(CN)
33391 29534 3263 43171 48841 729
72LZ9900-CA
(HK
--- --- --- -- -- --
C
- 17 -
- 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.
6.2 Checkpoint
▪ TEST voltage
- GND: 1.5KV/min at 100mA
- GND: 1.5KV/min at 100mA
- SIGNAL: 3KV/min at 100mA
▪ TEST time: 1 second
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE METAL GND
▪ TEST POINT
- GND TEST = POWER CORD GND & SIGNAL CABLE METAL GND
▪ LEAKAGE CURRENT: At 0.5mArms
7. Audio
No
Item
Min
Typ
Max
Unit
Remark
9.0 10.0 12.0 W
1.
Audio practical max
Output, L/R
(Distortion=10%
max Output)
8.5 8.9 9.8 Vrm
s
EQ Off
AVL Off
Clear Voice
Off
2.
Speaker (8
Ω
Impedance)
10.0
15.0
W EQ
On
AVL On
Clear Voice
On
C
- 19 -
Measurement condition:
1. RF input: Mono, 1KHz sine wave signal, 100% Modulation
2. CVBS, Component: 1KHz sine wave signal
0.5Vrms
3. RGB PC: 1KHz sine wave signal 0.7Vrms
-----<<<8. Magic Romocon Test
- Equipment: RF-Remote Controller for Test, IR-KEY-CODE Remote Controller for Test.
- should have enough Battery Power of RF-Remote Controller before test.
(Recommend: changing new Battery for each LOT.)
- Test Method
a) Push “Mute (Start Key)” on the controller to pair the TV SET.
b) Push “OK Key” on the controller, check whether the cursor appears on the screen.
c) Push “Vol+(STOP) on the controller, cancel the paring.
>>>>>----
9. 3D Function test
(Pattern Generator MSHG-600 or MSPG-6100 HDMI 1.4 Supported Equipment
, HDMI mode No. 872 , pattern No. 83)
, HDMI mode No. 872 , pattern No. 83)
1) Input 3D test pattern.
(HDMI mode No. 872, Pattern No. 83)
(HDMI mode No. 872, Pattern No. 83)
2) After automatically display 3D OSD, push the OK Key.
3) Check the pattern such as in the following Fig2 without having to wear glasses.
Click on the first or last page to see other 72LZ9900-CA (CHASSIS:LC12N) service manuals if exist.