LG 42PC5R Service Manual page 13

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(4) Push the "Write Data & Verify"button. And confirm "Yes".
(5) If the writing is finished, you will see the "OK" message.
12. Adjustment of White Balance
12-1. Purpose and Principle for adjustment
of the color temperature
(1) Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
(2) Principle : To adjust the white balance without the
saturation, Fix the one of R/G/B gain to 80 and decrease
the others.
12-2.Adjustment mode
: Two modes of Cool and Warm.(Medium data is
automatically calibrated by the cool data)
12-3. Required Equipment
(1) Remote control for adjustment.
(2) Color Analyzer.(CA-110 or same product) - CH : 10
(3) Auto W/B adjustment instrument.(only for Auto adjustment)
12-4. Connecting diagram of equipment for
measuring
(For Automatic Adjustment)
Digitized in Heiloo the Netherlands
(1) Enter the DDC adjust mode.
- Enter the white balance adjustment mode at the same
time heat-run mode when pushing the power on by power
only key.
- Maintain the white balance adjustment mode with same
condition of Heat-run.
-> Maintain after AC off/on in status of Heat-run pattern display.
(2) Release the DDC adjust 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(F3 00 00) from adjustment equipment.
- Need to transmit the aging off command to TV set after
finishing the adjustment.
* Standard color coordinate and temperature when using the
CA-110 or CA210 equipment.
Color Coordinate
Mode
x
COOL 0.276±0.002
MEDIUM 0.285±0.002
WARM 0.313±0.002
* Synchronization relation between PSM and CSM.
PSM CSM
Dynamic Cool
Standard Normal
Mild Warm
(3) DDC adjustment support command set.
Adjustment CMD(HEX)
Aging On/Off F3
Input select F4
R GAIN 16
G GAIN 18
B GAIN 1A
R GAIN 16
G GAIN 18
B GAIN 1A
R GAIN 16
G GAIN 18
B GAIN 1A
* R/G/B GAIN max value : 80
- 13 -
Temp
y
0.283±0.002 11000K
0.293±0.002 9300K
0.329±0.002 6500K
Remark
VALUE
ADR Detail
OO : OFF
FF/00
00 01 : ON
FF : WB Ready
00 0x10 : TV
0x20 : AV1
0x21 : AV2
0x23 : AV3
0x40 : Component1
0x50 : RGB DTV
0x60 : RGB PC
0x90 : HDMI1 DTV
00 - FE
00 GAIN adjustment
00 - FE
CSM COOL
00 - FE
00 - FE
01 GAIN adjustment
00 - FE
CSM NORMAL
00 - FE
00 - FE
02 GAIN adjustment
00 - FE CSM WARM
00 - FE
4/17/2018
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