37LG30 (CHASSIS:LA85D) - LG TV Service Manual (repair manual). Page 10

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3-2. COMPONENT input ADC    
3-2-1 Component Gain/Offset Adjustment  
• Convert to Component in Input-source  
I2C COMMAND: 0xF4 (SELECT_INPUT)  0x00  0x40
(COMPONENT)
cf. 0x10(TV), 0x20(AV), 0x40(COMPONENT), 0x60(RGB),
0x90(HDMI) 
• Signal equipment displays 
Impress Resolution  480i 
MODEL : 209   in Pattern Generator (480i Mode) 
PATTERN : 08  in Pattern Generator( MSPG-925 SERISE)  
• Adjust by commanding AUTO_COLOR_ADJUST(0xF1)
0x00  0x02 instruction 
• Signal equipment displays 
Impress Resolution  1080i 
MODEL : 223   in Pattern Generator(1080i Mode) 
PATTERN : 08  in Pattern Generator( MSPG-925 SERISE)  
• Adjust by commanding AUTO_COLOR_ADJUST(0xF1)
0x00  0x02 instruction 
*Manual ADC process using Service Remocon. After enter
Service Mode by pushing “ADJ” key, 
Execute “ADC Adjust” by pushing “
▶” key at “ 0. ADC
CALIBRATION ”.  
3-2-2 Confirmation  
• We confirm whether “0xBF(480i)/0xC8(1080i)” address of
EEPROM “0xA2” is “0xAA” or not.  
• If “0xBF(480i)/0xC8(1080i)” address of EEPROM “0xA2”
isn’t “0xAA”, we adjust once more 
• We can confirm the ADC values from “0xB9~0xBE(480i)/
0xC2~(1080i)” addresses in a page “0xA2” 
*Manual ADC Confirmation using Service Remocon. After
enter Service Mode by pushing “INSTART” key, 
- 10 -
C
2008
Adjustment pattern(COMPONENT)
EZ ADJUST 
1. ADC ADJUST 
2. SUB B/C ADJUST 
3. W/B ADJUST                          
4. WHITE PATTERN        : OFF 
5. 2HOUR OFF             : ON 
6. OAD 
7. UART DOWNLOAD 
8. FACTORY MODE         : ON 
9. DEBUG MODE           : OFF 
0. ADC CALIBRATION  : COMPONENT 
MODEL : 22LS4D_UA/LPL_LM220WT7 
S/W VER : 3.00.1 
UTT : 6                     
RGB : OK 
YPbPr(SD) : OK 
YPbPr(HD) : OK 
1. SYNC LEVEL 
2. DTV SNR 
3. SCREEN MUTE               
4. POWER OFF HISTORY 
0. STEREO DETECT 

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