47LX6500-DD (CHASSIS:LT03R) - LG TV Service Manual (repair manual). Page 11

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Connecting diagram of equipment for measuring (For
Automatic Adjustment)  

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 

*  Luminance min value is 150cd in the Cool/Medium/Warm

mode( For LCD) 

A 

Color analyzer(CA100+, CA210) should be used in the
calibrated ch by CS-1000  

A 

Operate the zero-calibration of the CA100+ or CA-210, then
stick sensor to the modul adjusting.  

A 

For manual adjustment, it is also possible by the following
sequence. 

1) Select white pattern of heat-run by pressing “POWER ON”

key on remote control for adjustment then operate heat run
longer than 15 minutes.  

(If not executed this step, the condition for W/B may be
different.) 

2) Push “Exit” key. 
3) Change to the AV mode by remote control. 
4) Input external pattern (85% white pattern) 
5) Push the ADJ key -> Enter “0000” (Password) 
6) Select “3. W/B ADJUST” 
7) Enter the W/B ADJUST Mode 
8) Stick the sensor to the center of the screen and select each

items (Red/Green/Blue Gain and Offset) using 

D

/

E 

(CH +/-)

key on R/C.

9) Adjust R/ G/ B Gain using 

F

/

G

(VOL +/-) key on R/C. 

10) Adjust three modes all (Cool / Medium / Warm) : Fix the

one of R/G/B gain and change the others 

11) When adjustment is completed,  Enter “COPY ALL”  
12) Exit adjustment mode using EXIT key on R/C. 

1

CASE 

First adjust the coordinate far away from the target value(x, y). 

1.  x, y  > target 

i) Decrease the R, G.  

2.  x, y < target 

i) First decrease the B gain,  
ii) Decrease the one of the others. 

3.  x > target ,  y < target 

i) First decrease B, so make y a little more than the target. 
ii) Adjust x value by decreasing the R 

4.  x < target ,  y > target 

i) First decrease B, so make x a little more than the target. 
ii) Adjust x value by decreasing the G 

Co lo r An alyzer

 

Co m p ut er

 

Pat t ern Gen erat o r

 

RS -232C 

RS -232C 

RS -232C 

Probe

Signal Source

* If TV internal pattern is used, not needed