42PJ150-ZE (CHASSIS:PD01A) - LG TV Service Manual (repair manual). Page 8

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5. ADC Calibration Procedure
(1) Input the component (480i/Horizontal Color Bar) signal to a
TV set.
1) Input Signal Timing : Component 480i 
(Other  external  connection  is  unnecessary  except  the
component before executing ADC calibration.)
2) Input Signal Pattern
@ MODEL: 209 in Pattern Generator(480i Mode)
@  PATTERN  :  65  in  Pattern  Generator(MSPG-925
SERISE) 
(2) Push “ADJ” button on a service R/C.
(3) Enter internal ADC mode by selecting ‘5. ADC Calibration’.
(4) If  you  select  ‘Start’  on  a  dialog  box  of  the  screen,  ADC
calibration will be begun.
Caution: Don’t  connect  any  external  input  cable  except  the
component  input(480i/Horizontal_Color_Bar)  to  adjust
ADC calibration
O
Auto ADC Calibration Map(RS-232C)
# Adjust Sequence
- aa 00 00  [Enter Adjust Mode]
- xb 00 40  [Component1 Input (480i)]
- ad 00 10  [Adjust 480i Comp1]
- xb 00 60  [RGB Input (1024*768)]
- ad 00 10  [Adjust 1024*768 RGB]
- aa 00 90  End Adjust mode
6. EDID Download Procedure
(1) Push “ADJ” button on a service R/C.
(2) Enter  EDID  auto  download  mode  by  selecting  ‘8.  EDID
D/L’.
(3) If  you  select  ‘Start’  on  a  dialog  box  of  the  screen,  EDID
download will be begun automatically.
(4) Press ‘EXIT’ button on a service R/C.
(5) EDID Data
1) HDMI (HD Models, 256 bytes)
2) RGB (HD Models, 128 bytes)
O
EDID Data detailing (
ⓐ, ⓑ, ⓒ, ⓓ, ⓔ, ⓕ)
- 8 -
<Horizontal Color Bar pattern>
NO
Item
CMD1
A
A
0
0
0
1
D
A
CMD2 Data0
Enter  
Adjust MODE
Adjust 
‘Mode In’
When transfer the ‘Made
In’, Carry the command.
Automatically adjustment
(The use of a internal
pattern)
ADC
Adjust
ADC Adjust
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