42LG70YR (CHASSIS:LP81D) - LG TV Service Manual (repair manual). Page 12

4.  Finishing the version updating, you have to put out USB stick

and "AC Power" off 

5.  After putting "AC Power" on and check updated version on

your TV

O Required Equipments
-  Remote controller for adjustment
-  MSPG-925F Pattern Generator

4.2.1 Method of Auto RGB Color Balance
- Convert to RGB PC in Input-source
- Input the PC 1024x768 @ 60Hz 1/2 Black & White

Pattern(MSPG-925F model:60, pattern:54)  into RGB

- Adjust by commanding AUTO_COLOR_ADJUST(0xF1)

0x00 0x02 instruction.

4.2.1.1 Confirmation
- We confirm whether “0xF1 (offset), 0xF2 (gain)” address of

EEPROM “0xBC” is “0xAA” or not. 

- If “0xF1”, “0xF2” address of EEPROM “0xBC” isn’t “0xAA”,

we adjust once more

- We can confirm the ADC values from “0x00~0x05"

addresses in a page “0xBC”

* Manual ADC process using Service Remocon. After enter

Service Mode by pushing “ADJ” key, execute "Auto-RGB"
by pushing “

G

” key at “Auto-RGB".

4.2.2 Component input ADC
4.2.2.1 Component Gain/Offset Adjustment7
- Convert to Component in Input-source
- Input the Component (Which has 720p@60Hz YPbPr signal

: 100% Color Bar (MSPG-925F Model : 217 / Pattern: 65)
into Component.

- Adjust by commanding AUTO_COLOR_ADJUST (0xF1)

0x00 0x02 instruction

4.2.2.2 Confirmation
- We confirm whether "0xF3 (offset), 0xF4 (gain)" address of

EEPROM "0xBC" is "0xAA" or not. 

- If "0xF3", "0xF4" address of EEPROM "0xBC" isn’t "0xAA",

we adjust once more

- We can confirm the ADC values from "0x06~0x0B"

addresses in a page "0xBC"

*Manual ADC process using Service Remocon. After enter

Service Mode by pushing "ADJ" key, execute "Auto-RGB"
by pushing "

G

" key at "Auto-RGB".  

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