DOWNLOAD LG 47LW9800-CA (CHASSIS:LC12D) Service Manual ↓ Size: 10.7 MB | Pages: 58 in PDF or view online for FREE

B Gain 

j 

f 

00 

C0 

TBD 

 

R 

Cut 

   

 

TBD   

G 

Cut 

   

 

TBD   

 
5.3.5 Adj. method 
 
5.3.5.1 Auto adj. method 
1) Set TV in adj. mode using POWER ON key 
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 adj. 
5) When adj. is complete (OK Sing), check adj. status pre mode 

(Warm, Medium, Cool) 

6) Remove probe and RS-232C cable to complete adj. 
 
▪ W/B Adj. must begin as start command “wb 00 00” , and finish as end command “wb 00 ff”, 

and Adj. offset if need 

 
5.3.5.2 Manual adj. method 
1) Set TV in Adj. mode using POWER ON 
2) Zero Calibrate the probe of Color Analyzer, then place it on the center of LCD module within 
10cm of the surface.. 
3) Press ADJ key Æ EZ adjust using adj. R/C Æ 7. White-Balance then press the cursor to the 

right (KEY ). 
(When KEY( ) 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. 
   
▪ 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. condition and cautionary items 
1) Lighting condition in surrounding area 

- 21 -

Surrounding lighting should be lower 10 lux. Try to isolate adj. area into dark surrounding. 

2) Probe location 

- PDP: Color Analyzer (CA-100, CA-100+, CA210) probe should be firmly attached to the 
Module 
- LCD: Color Analyzer (CA-210) probe should be within 10cm and perpendicular of the 

module 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. 

5.3.6 Reference (White Balance Adj. coordinate and color temperature) 
▪ Luminance: 216 Gray 
▪ Standard color coordinate and temperature using CS-1000 (over 26 inch) 

Coordinate 

Mode 

x 

y 

Temp 

△

uv 

Cool 

0.269 0.273 13000K 0.0000  

Medium 0.285  0.293  9300K  0.0000 

 

Warm 0.313 0.329 6500K 0.0000 

 

 
▪ Standard color coordinate and temperature using CA-210(CH 14) 

Coordinate 

Mode 

x 

y 

Temp 

△

uv 

Cool 

0.0000  

Medium 0.285±0.002  0.293±0.002  9300K 

0.0000 

 

Warm 0.313±0.002 0.329±0.002 6500K 

0.0000 

 

 
 
 
 
5.3.7 ALELF&EDGE LED White balance table   
▪ Edge LED module change color coordinate because of aging time   

▪ apply under the color coordinate table, for compensated aging time 

47/55LW9800, 42/47/55LW7700

 

Aging time

Cool 

Medium 

Warm 

(Min) 

x 

y 

x 

y 

x 

y 

GP3 

   

269 

273 

285 

293 

313 

329 

1 

0-2 

282 294 298 314 322 343 

2 

3‐5 

281 292 297 312 321 341 

- 22 -

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 

   

 

 

 

 

 

 

 

Cool 

Medium 

Warm 

x 

y 

x 

y 

x 

y 

 

 

Aging time 

(Min) 

269 

273 

285 

293 

313 

329 

1 

0-2 

280 291 296 311 319 340 

2 

3-5 

278 288 294 308 317 338 

3 

6-9 

276 285 292 305 315 335 

4  10-19  274 282 290 302 313 332 
5  20-35  273 279 289 299 312 329 
6  36-49  270 276 287 296 310 326 
7  50-79  269 273 286 293 308 323 
8  Over 

80  269 273 285 293 308 323 

 

 

5.4 Wireless function check (only used for HK model) 
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   

- 23 -

Fig.1 

Fig.2 

Connec

Fig.3 Connect the Dongle   

 

5.5 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 

Step 1) Turn on TV 
Step 2) At the Local Dimming mode, module Edge Backlight moving right to left 
                Back light of IOP module moving   
Step 3) confirm the Local Dimming mode 
Step 4) Press “exit” Key 
 

- 24 -