50PM4M-WA (CHASSIS:PM75A) - LG TV Service Manual (repair manual). Page 10

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12. Manual White Balance(AV)
1) Execute CA-100 Zero Calibration.
2) Execute the SET Heat Run for 30minutes
3)  As  below  Fig.6,  Supply  216Level  (85  IRE)  full  screen
pattern to Video input. 
4)  Press  the  FRONT-AV  KEY  on  R/C  for  converting  input
mode.
5) Set the PSM to Standard mode in Picture menu.
6) Enter the White Balance adjustment mode by pressing the
INSTART key twice(White Balance) on R/C.
7) Stick sensor to center of the screen and select each items
(Red/Green/Blue  Gain  and  Offset)  using 
D
/
(CH+/-)  key
on R/C..
8)  Adjust  Only  High  Light  with  R  Gain  /  B  Gain  using 
F
/
G
(VOL+/-) key on R/C.
9) Adjust it until color coordination becomes as below. 
(1) X-axis : 0.283 
±
0.003
(2) Y-axis : 0.298 
±
0.003
( R/G/B gain and R/G/B offset Default values are different
in according to using module )
10) Adjust High light with R/B Gain.
13. Shipped condition
(1) 1) Push the IN-START key in a Adjust Remocon.
(2) Input the Option Number that was specified in the BOM,
into the Shipping area.
(3) The work is finished, Push 
Key.
(4) If you finished option data input, then press in
- 10 -
(Fig.6)
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