22LK311 (CHASSIS:LP91J) - LG TV Service Manual (repair manual). Page 12

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(1) Apply model
22/26/32LK310/311
(2) Process
1) Change the Input to RGB mode..
2) Press ADJ key on R/C for adjustment.
3) Enter Password number. Password is “0 0 0 0”.
4) Select “0. ADC calibration : RGB” by using 
D
/
E
(CH +/-)
and press ENTER(
A
).
5) ADC adjustment is executed automatically .
6) When ADC adjustment is finished, this OSD appear.
* Caution : No need to connect external input cable.
* Caution : Adjustment result is applied after SET Off/On
4.5. Check SW Version
(1) Method
1) Push In-star key on Adjust remote-control.
2) SW Version check
Check “SW VER : V3.xx”
5. PCB assembly adjustment method
5.1. Input Area-Option
(1) Profile : Must be changed the Area option value because
being different of each Country’s Language and
signal Condition.  
(2) Equipment : adjustment remote control.
(3) Adjustment method 
- The input methods are same as other chassis.(Use IN-
START Key on the Adjust Remote control.)
Refer to Job Expression of each main chassis ass’y
(EBTxxxxxxxx) for Option value.
5.2. Adjustment of White Balance
(For Automatic Adjustment)
- Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
- Principle : To adjust the white balance without the saturation,
Fix the one of R/G/B gain to 192 (default data)
and decrease the others.
- Adjustment mode : Three modes - Cool / Medium / Warm
- Required Equipment
1) Remote controller for adjustment 
2) Color Analyzer : CA100+ or CA-210 or same product -
LCD TV( ch : 9 ),
(should be used in the calibrated ch by CS-1000)
3) Auto W/B adjustment instrument(only for Auto adjustment)
5.2.1 Adjustment of White Balance (For automatic adjustment)
* LP91J Support RS-232C & I2C Interface For ADC/DDC
Adjustment.
(1) Enter the adjustment mode of DDC
- Set command delay time : 50ms
- Enter the DDC adjustment mode at the same time heat-
run mode when pushing the power on by power only key
- Maintain the DDC adjustment mode with same condition
of Heat-run => Maintain after AC off/on in status of Heat-
run pattern display)
(2) Release the DDC adjustment mode
- Release the adjust mode after AC off/on or std-by off/on
in status of finishing the Hear-run mode
- Release the Adjust mode when receiving the aging off
command(WB 00 FF) from adjustment equipment.
- Need to transmit the aging off command to TV set after
finishing the adjustment.
- Check DDC adjust mode release by exit key and release
DDC adjust mode)
(3) Enter the adjust mode of white balance)
- Enter the white balance adjustment mode with aging
command (F3, 00, 00)
(4) Release the adjust mode of white balance
-  Enter the white balance adjustment mode with aging
command(F3, 00, FF)
* Luminance min value is 150cd in the Cool/Medium/Warm
mode(For LCD)
- 12 -
OK
MODEL :     32LK310
SW VER :         V3.04
Mod e :     Hom e Use                    UTT                6
ADC CAL.                                     RGB :           NG
RGB:                      OK               HDMI1 :        NG
Comp onent SD :   OK               HDMI2 :        NG
Comp onent HD :   OK
Tool Option 1                                                
816
Tool Option 2                                                
4181
Area Option                                                   
40
Option  1                                                     
0
Option  2                                                     
0
System Con trol
System Con tro l 2
Power Off  History
Davinci/Auto Test
Area Option           ETC
Lang. Group          NTSC-ALL
MODEL :     32LK310
SW VER :         V3.04
Mod e :     Hom e Use                    UTT                6
ADC CAL.                                     RGB :           NG
RGB:                      OK               HDMI1 :        NG
Comp onent SD :   OK               HDMI2 :        NG
Comp onent HD :   OK
Tool Option 1                                                
816
Tool Option 2                                                
4181
Area Option                                                   
40
Option  1                                                     
0
Option  2                                                     
0
System Con trol
System Con tro l 2
Power Off  History
Davinci/Auto Test
Area Option           ETC
Lang. Group          NTSC-ALL
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