Z42PQ20-UC (CHASSIS:PU92B) - LG TV Service Manual (repair manual). Page 12

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8-4. Manual White Balance 
(1)  Press  the  POWER  ON  KEY  on  R/C  for  adjustment  and
heat run over 5 minutes.
(2)  Zero  Calibrate  CA-100+  /  CA-210,  and  when  controlling,
stick the sensor to the center of PDP module surface.
(3) Press the ADJ KEY on R/C and enter EZ ASJUST
Select “3.W/B ADJUST” and press ENTER(
V
)
Set test-pattern on and display inside pattern. 
(4) Control is carried out on three color temperatures, COOL,
MEDIUM, WARM.(Control is carried out three times)
<Temperature: COOL>
- R-offset / G-offset / B-offset is set to 128
- Control R-Gain and G-Gain.
- Each gain is limited to 192
<Temperature: MEDIUM>
- R-offset / G-offset / B-offset is set to 128
- Control R-Gain and G-Gain.
- Each gain is limited to 192
<Temperature: WARM>
- R-offset / G-offset / B-offset is set to 128
- Control G-Gain and B-Gain.
- Each gain is limited to 192
9. HDCP SETTING
(Not necessary) 
Caution: Key is saved in external eeprom. 
10. RS-232C 
Press  In-start  key  and  select  4.Baud  Rate  menu.  Check  RS-
232C after changing Baud Rate 115200.
11. OPTION
(1)  Press  ADJ  R/C  In-start  key  and  select  0.TOOL  OPTION,
1.AREA OPTION
(2) Select Model name and Country by using 
F
/
G
(VOL +/-) in
accordance with destination
ADJUSTMENT INSTRUCTIONS
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