LG 22LE5300, Service Manual

Page: 13 / 71

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
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.
4.1.3. Auto adjustment Map (RS-232C)
**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.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of
Module)
4.2. Manual W/B process using adj. R/C
• After enter Service Mode by pushing “ADJ” key,
• Enter White Balance by pushing “
G ” key at “6. White
Balance”
* 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.
- 13 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
RS-232C COMMAND MIN CENTER MAX
[CMD ID DATA] (DEFAULT)
Cool Mid Warm Cool Mid Warm
R Gain jg Ja jd 00 172 192 192 255
G Gain jh Jb je 00 172 192 192 255
B Gain ji Jc jf 00 192 192 172 255
R Cut 64 64 64 128
G Cut 64 64 64 128
B Cut 64 64 64 128
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
White Balance
Color Temp.
R-Gain
G-Gain
B-Gain
R-Cut
G-Cut
B-Cut
Test-Pattern.
Reset
Cool
172
172
192
64
64
64
ON
To set
Full White Pattern
COLOR
ANALYZER
TYPE: CA-210
RS-232C Communication
CA-210