42LT560E-SA (CHASSIS:LJ2AC) - LG TV Service Manual (repair manual). Page 10

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  Connecting picture of the measuring instrument 
     (On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to 
auto controller or push Adjustment R/C POWER-ON -> Enter 
the mode of White-Balance, the pattern will come out.
 Auto-control interface and directions
(1)  Adjust  in  the  place  where  the  influx  of  light  like  floodlight 
around is blocked. (Illumination is less than 10ux).
(2)  Adhere closely  the Color Analyzer ( CA210 ) to the module 
less  than  10cm  distance,  keep  it  with  the  surface  of  the 
Module and Color Analyzer’s Prove vertically.(80~100°).
(3) Aging time
-  After  aging  start,  keep  the  power  on  (no  suspension  of 
power supply) and heat-run over 5 minutes.
-  Using ‘no signal’ or ‘full white pattern’ or the others, check 
the back light on.
● Auto adjustment Map(RS-232C)
   RS-232C COMMAND
   [ CMD    ID    DATA ]    
       Wb     00       00       White Balance Start
       Wb     00       ff        White Balance End  
RS-232C COMMAND
[CMD ID DATA]
MIN
CENTER
(DEFAULT)
MAX
Cool
Mid
Warm
Cool
Mid
Warm
R Gain
jg
Ja
jd
00
172
192
192
192
G Gain
jh
Jb
je
00
172
192
192
192
B Gain
ji
Jc
jf
00
192
192
172
192
R Cut
64
64
64
128
G Cut
64
64
64
128
B Cut
64
64
64
128
** Caution **
Color Temperature : COOL, Medium, Warm.
One  of  R  Gain/G  Gain/  B  Gain  should  be  kept  on  0xC0,  and 
adjust other two lower than C0.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of  
Module)
*Manual W/B process using adjusts Remote control.
■After enter Service Mode by pushing “ADJ” key,
■Enter White Balance by pushing “►” key at “7. White Balance”.
  After  You  finish  all  adjustments,  Press  “In-start”  button  and 
compare Tool option and Area option value with its BOM, if it is 
correctly same then unplug the AC cable.
     If it is not same, then correct it same with BOM and unplug AC 
cable.  For  correct  it  to  the  model’s  module  from  factory  JIG 
model.
  Push  The  “IN  STOP  KEY”  after  completing  the  function 
inspection. And Mechanical Power Switch must be set “ON”. 
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