47LY3DE-AA (CHASSIS:LB75B) - LG TV Service Manual (repair manual). Page 14

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5. Video Set Adjustment
It is the adjustment to reduce the color difference of the RF
and the video signal, which adjusts Analog RF, AV-PAL, and
AV-NTSC.
5-1. Analog RF and AV-PAL adjust method.
1) After entering the in-house signal, when it is checked
that the signal is received, press the ADJ KEY of the
adjusting R/C to enter into ‘EZ-ADJUST’ Select ‘3.
Adjust RF and AV_PAL’ and press the right arrow key
(
G
) to enter into the adjustment mode.
2) When it enters into the adjustment mode, the screen is
automatically switched to TV 3CH and the following
window is displayed.
3) When the automatic adjustment starts, the main screen
is adjusted, and if adjusting is completed, the message
‘RF-PAL Configuration Success’ is displayed. If
adjusting is failed, the message ‘RF-PAL Configuration
Fail’ is displayed.
(2) AV-NTSC adjustment method.
1) Connect the Video Signal Generator (Master) to the AV
input of the TV via the AV output. At this time, when
entering the input pattern with Model : 202(PAL) and
Pattern : 33(100% color Bar), the following screen is
displayed.
* It should be checked because the above pattern may be
different according to the model and the pattern of the used
equipment.
2) Press the ADJ KEY of the adjusting R/C to enter into
‘EZ-ADJUST’ Select ‘4. Adjust AV_PAL’ and press the
right arrow key (
G
) to enter into the adjustment mode.
3) When the automatic adjustment is completed, the
message ‘AV-PAL Configuration Success’ is displayed.
If the adjustment is failed, the message ‘AV-PAL
Configuration Fail’ is displayed.
6. MST3361M-Set Adjustment
6-1. Synopsis
The Component 480i/1080p RGB 1080p adjustment sets the
optimal black level and gain automatically from the analog =>
digital converter, and is the function to correct the RGB
deviation
6-2. Test Equipment 
Service R/C, 801GF(802B,802F,802R), 
MSPG-925FA, MSPG-1025D Pattern Generator.
(480i, 1080i Horizontal 60Hz Color Bar Pattern output will be
possible and the output level will accurately have to be revised
with 0.7±0.1Vp-p)
* Because the above pattern can differ by the model and pattern
for each device, you must check the pattern first.
6-3. Adjustment
(1) Component 1 adjustment method
(A) Enter the Color Bar Pattern of each 480i 60Hz Mode that
can support the input for Component 1, and select
Component 1 as the input mode. 
(B) 1 second after receiving the signal, press the ADJ key on
adjustment R/C to enter Ez-Adjust. Select '1. Adjust 480i
Comp1' and press the Vol+ KEY to adjust the Component. 
(C) When Component 1 is normally adjusted, you will see the
message saying 'ADC Component1 Success'.
(D) When the adjustment is not done properly, you will see a
message saying 'ADC Component1 480i Fail'. When the
Component is not connected, a message saying
'Component1 Not Connected', when the input format is not
480i, a message saying 'Not Valid Format' and when there
is no input signal, a message saying 'Check Signal Status'
will be displayed for 1 second. 
Model : 202(PAL), Pattern : 33(100% Color Bar)
(Adjustment pattern : 480i / 1080P 60Hz Pattern)
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