LG 42LD465 Service Manual page 11

4. Total Assembly line process
4.1. Adjustment Preparation
· W/B Equipment condition
CA210 : CH 9, Test signal : Inner pattern (85IRE)
· Above 5 minutes H/run in the inner pattern. ("power on" key
of adjust remote control)
Cool 13,000k ºK X=0.269(±0.002)
Y=0.273(±0.002)
Medium 9,300k ºK X=0.285(±0.002)
Y=0.293(±0.002)
Warm 6,500k ºK X=0.313(±0.002)
Y=0.329(±0.002)
Cool 9,300k ºK X=0.285(±0.002)
Y=0.293(±0.002)
Medium 8,000k ºK X=0.295(±0.002)
Y=0.305(±0.002)
Warm 6,500k ºK X=0.313(±0.002)
Y=0.329(±0.002)
4.1.1. Connecting picture of the measuring instrument
(On Automatic control)
Inside PATTERN is used when W/B is controlled. Connect to
auto controller or push Adjustment R/C POWER ON -> Enter
the mode of White-Balance, the pattern will come out
Full White Pattern
RS-232C Communication
4.1.2. Auto-control interface and directions
1) Adjust in the place where the influx of light like floodlight
around is blocked. (illumination is less than 10ux).
2) Adhere closely the Color Analyzer (CA210) to the module
less than 10cm distance, keep it with the surface of the
Module and Color Analyzer's Prove vertically.(80~100°).
3) Aging time
- After aging start, keep the power on (no suspension of
power supply) and heat-run over 15minutes.
- Using 'no signal' or 'full white pattern' or the others, check
the back light on.
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.1.3. Auto adjustment Map (RS-232C)
R Gain
All G Gain
<Test Signal> B Gain
R Cut
Inner pattern
G Cut
(216gray,85IRE)
B Cut
**Caution **
Color Temperature : COOL, Medium, Warm.
One of R Gain/G Gain/ B Gain should be kept on 0xC0, and
adjust other two lower than C0.
Only 22LD350
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of
<Test Signal>
Module)
Inner pattern
(216gray,85IRE)
4.2. Manual W/B process using adj. R/C
• After enter Service Mode by pushing "ADJ" key,
• Enter White Balance by pushing "
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
CA-210
8. EDID D/L
9. Sub B/C
COLOR
ANALYZER
TYPE: CA-210
* After done all adjustments, Press "In-start" button and compare
Tool option and Area option
value with its BOM, if it is correctly same then unplug the AC
cable.
If it is not same, then correct it same with BOM and unplug AC
cable.
For correct it to the model's module from factory JIG model.
* Push The "IN STOP KEY" after completing the function
inspection.
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RS-232C COMMAND MIN
[CMD ID DATA]
Cool Mid Warm
jg Ja jd 00
jh Jb je 00
ji Jc jf 00
EZ ADJUST
CENTER MAX
(DEFAULT)
Cool Mid Warm
172 192 192 255
172 192 192 255
192 192 172 255
64 64 64 128
64 64 64 128
64 64 64 128
G "
White Balance
Color Temp.
Cool
R-Gain
172
G-Gain
172
B-Gain
192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern.
ON
Reset
To set
LGE Internal Use Only