LG 32LD460 Service Manual page 15

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.
4.1.3. Auto adjustment Map (RS-232C)
RS-232C COMMAND MIN
[CMD ID DATA]
Cool Mid Warm
R Gain jg Ja jd
G Gain jh Jb je
B Gain ji Jc jf
R Cut
G Cut
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.
(when R/G/B Gain are all C0, it is the FULL Dynamic Range of
Module)
Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
CA-210
COLOR
ANALYZER
TYPE: CA-210
CENTER MAX
(DEFAULT)
Cool Mid Warm
00 172 192 192 255
00 172 192 192 255
00 192 192 172 255
64 64 64 128
64 64 64 128
64 64 64 128
4.2. Manual W/B process using adj. R/C
• After enter Service Mode by pushing "ADJ" key,
• Enter White Balance by pushing "
Balance"
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
* 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.
- 15 -
G " key at "6. White
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