32LB9D (CHASSIS:LB73B) - LG TV Service Manual (repair manual). Page 12

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5-4. Adjustment of White Balance
(For manual adjustment)
(1) Required Equipment 
: When adjusting the LCD white balance, use CS-1000 as
the color analyzer (CA-210) and channel 9 corrected of
Matrix (corrected for White, Red, Green, Blue) and the
adjustment must be done in accordance with the below
White balance adjustment coordinate.
(2) Sequence
1) Press the ADJ of adjustment adjustment remote control
to enter ‘EZ-ADJUST’.
2) Select 9.TEST PATTERN using the CH + / - KEY and
press the Enter KEY to execute a heat run for more
than 30 minutes. 
3) Execute a Zero Calibration for CA-210 and put it at
distance of less than 10Cm from the LCD module
surface center during the adjustment. 
4) Press the ADJ of adjustment remote control, select
‘6.White-Balance’ of ‘Ez – Adjust’ and enter the
adjustment mode using the right key (
G
).
(When you press the 
G
button, the screen enters the full
white internal pattern.)
5) The adjustment is executed in 3 different white balance
of COOL, MEDIUM and WARM.
2) In case that White balance is COOL.
- Fix R-Cut/ G-Cut/ B-Cut to 64 and adjust the color
coordinates t downward.
In case that White balance is Medium.
- Fix R-Cut/ G-Cut/ B-Cut to 64 and adjust the color
coordinates t downward.
In case  that White balance is Warm
- Fix R-Cut/ G-Cut/ B-Cut to 64 and adjust the color
coordinates t downward.
- Adjust by using Vol ± key.
4) When the adjustment is completed, press the OK (
A
)
key button to move to the Ez –Adjust screen. Press the
ADJ KEY to exit the adjustment mode.
* Note : White Balance adjustment coordinate and white balance
1) Standard white balance standard white balance
coordinate when using CS-1000 device
COOL : T=11000K, Δuv=0.000, x=0.276, y=0.283
MEDIUM : T=9300K, Δuv=0.000, x=0.285, y=0.293
WARM : T=6500K, Δuv=0.000, x=0.313, y=0.329
2) Directed color coordinate when using CA-210 CH 9
* Brightness: Full white 216gray 
6. Video Set adjustment
6-1. Synopsis
This is a adjustment to reduce the color difference of RF,
video signal.
6-2. Analog RF and AV-PAL Adjustment
1) Connect the Video Signal Generator (Master) to TV AV
input terminal with AV output. At this time, when you enter
the input pattern as Model : 202(PAL), Pattern : 33(100%
color Bar), the following video is displayed on the screen.
* Because the above pattern can differ by the model and
pattern for each device, you must check the pattern first.
2) When the receiving signal is confirmed after inputting the
internal signal, press the ADJ key on the adjustment
remote control to enter ‘EZ-ADJUST’. Select ‘3.Adjust RF
and Video’ and press the right key (
G
) to enter the
adjustment mode.
3) When you enter the adjustment mode, the video is
automatically set to TV 3CH and the following window is
displayed.
4) When the adjustment is completed, a message saying ‘RF
Configuration Success’ is displayed. If the adjustment has
failed, a message saying ‘RF Configuration Fail’ is
displayed.
5) When the automatic adjustment of RF signal is completed,
it is automatically switched to the AV1 Mode, and
automatic adjustment for Video Mode is done. When the
automatic adjustment is completed, a message saying ‘AV-
PAL Configuration Success’ is displayed. If the adjustment
has failed, a message saying ‘AV-PAL Configuration Fail’
is displayed.
- 12 -
Color temperature
Color analyzer
Color coordinate
X
Y
COOL
CA-210
0.276 ± 0.002
0.283 ± 0.002
MEDIUM
CA-210
0.285 ± 0.002
0.293 ± 0.002
WARM
CA-210
0.313 ± 0.002
0.329 ± 0.002
<Fig 5> Model : 202(PAL), Pattern 33(100% color Bar)
 
<Fig 6>
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