LG 42PQ10R-MB (CHASSIS:PP91C) Service Manual ▷ View online
9-4. Adjustment of White Balance for
Manual Adjustment
(method 3)
Adjustment mode: Three modes of Cool, Medium(Vivid) and
Warm
Warm
- Equipment
1) Color analyzer(CA100+, CA210) should be used in the
calibrated ch by CS-1000(PDP : CH10)
2) Adjustment remocon
- For manual adjustment, it is also possible by the following
sequence.
Operate the zero-calibration of the CA-100+ or CA-210, then
stick sensor to the module when adjusting.
Operate the zero-calibration of the CA-100+ or CA-210, then
stick sensor to the module when adjusting.
(1) Select white pattern of heat-run by pressing “POWER ON”
key on remote control for adjustment then operate heat run
longer than 5 minutes. (recommend)
(If not executed this step, the condition for W/B will be
different)
longer than 5 minutes. (recommend)
(If not executed this step, the condition for W/B will be
different)
(2) Changing to the AV mode by remote control.(Push front-
AV)
(3) Input external pattern(85% white pattern).
(4) Stick sensor to center of the screen and select each items
(4) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using
D
/
E
(CH +/-) key on
R/C..
(5) Adjust R/ G/ B Gain using
F
/
G
(VOL +/-) key on R/C.
(6) Adjust three modes of Cool, Medium(Vivid) and Warm as
below figure.
(Fix the one of R/G/B and change the others)
- Push the “VOL + “ key : Cool, Medium, Warm
(Fix the one of R/G/B and change the others)
- Push the “VOL + “ key : Cool, Medium, Warm
* Refer to the below case to know what value is fixed.
[CASE]
First adjust the coordinate much away from the target value(x, y).
First adjust the coordinate much away from the target value(x, y).
1. x, y > target
1) Decrease the R, G.
2. x, y < target
1) First decrease the B gain,
2) Decrease the one of the others.
2) Decrease the one of the others.
- In case of decreasing the x, decreasing the R : fix G
- In case of decreasing the y , decreasing the G : fix R
- In case of decreasing the y , decreasing the G : fix R
3. x > target , y < target
1) First decrease B, so make y a little more than the target.
2) Adjust x value by decreasing the R
2) Adjust x value by decreasing the R
4. x < target , y > target
1) First decrease B, so make x a little more than the target.
2) Adjust x value by decreasing the G
2) Adjust x value by decreasing the G
(7) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C.
9-5. Connecting diagram of Equipment for
Measuring
(For Automatic Adjustment)
(method 1, using IIC, You connect RGB Cable)
(1) Enter the adjustment mode of the white balance
- Enter the white balance adjustment mode at the same time
heat-run mode when pushing the power on by power only
key
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 white balance adjustment mode
- Release the adjust mode after AC off/on or std-by off/on in
status of finishing the Hear-run mode
- push the “power on” key(IIC Mode) on Adjust remote-
controller.
- Release the Adjust mode when receiving the aging off
command(F3 00 00) from adjustment equipment)
(3) Enter the adjust mode of white balance
- Enter the white balance adjustment mode with aging
command(F3, 00, FF)
O
Color Temperature & Color Coordinates Setting
- When adjusting the Color Temperature, Color Analyzer CA-
210(Matrix should be corrected through CH10 of CS-1000)
should be used. When CA-210 have used, it don’t need to fit
the CH10.
should be used. When CA-210 have used, it don’t need to fit
the CH10.
- Adjust the Color Temperature based below adjustment color
coordinates.
O
Target Value CA-210(LCD : CH 9, PDP : CH10), CA-100(PDP)
(Standard color coordinate and temperature when using the
CA-100+ or CA210 equipment)
O
Above optical characteristics are should be measured by
following condition
- 13 -
+0.003
6,500K
Warm
+0.000
9,300K
Medium
+0.000
11,000K
Cool
0.276±0.002
0.285±0.002
0.293±0.002
0.329±0.002
0.313±0.002
0.283±0.002
Y
X
uv
Temp
Color coordinate
Mode
Method 1-(I
2
C)
+0.003
6,500K
Warm
+0.000
9,300K
Medium
+0.000
11,000K
Cool
0.276±0.002
0.285±0.002
0.293±0.002
0.329±0.002
0.313±0.002
0.283±0.002
Y
X
uv
Temp
Color coordinate
Mode
- 14 -
O
DDC Adjustment Command Set
[ R/G/B GAIN max value : C0
Adjustment
Adjustment
Adjustment
- 15 -
BLOCK DIAGRAM
- 16 -
EXPLODED VIEW
A10
900
901
400
520
590
240
250
300
305
301
303
302
200
120
580
260
270
603
602
501
A2
LV1
570
560
310
330
201
203
205
204
206
202
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Click on the first or last page to see other 42PQ10R-MB (CHASSIS:PP91C) service manuals if exist.