42PB4D-AA (CHASSIS:PB73B) - LG TV Service Manual (repair manual). Page 10

Read LG 42PB4D-AA (CHASSIS:PB73B) Service Manual online

- 10 -
7-4. Adjustment of White Balance
(For manual adjustment)
- Required Equipment : When adjusting the PLASMA color
temperature,  the  No.  10  channel  with  the  matrix
compensated  (White,  Red,  Green  and  Blue
compensated)  should  be  used  for  the  CS-1000  as  Color
analyzer  (CA-100),  which  should  be  adjusted  based  on
the  white  balance  adjustment  coordinate  as  described
below.
(1) Enter to ‘EZ-ADJUST’ by pressing ADJ key of R/C.
(2) HEAT RUN at least 30 minutes by pressing the ‘11. TEST
Pattern’ on the Service Remote Control and adjust.
(3) Set CA-100 in Zero Calibration, when adjust PDP module
make it contacting completely in the surface.
(4)  Select  ‘6.  White-Balance’  of  ‘Ez  -  Adjust’  by  pressing  the
ADJ KEY on the Service R/C. Then enter adjustment mode
by  pressing  the  Right  KEY  (G).  This  time  white  pattern  is
displayed.  (When  press    Gkey,  the  screen  enters  to  Full
White internal pattern.)
(5)  The  adjustment  completes  in  three  color  temperatures  as
Cool, Medium, and Warm.
(6) When R GAIN is fixed at 192:
keep G GAIN and B GAIN less than 192 and find proper
values for adjustment.
When G GAIN is fixed at 192:
keep R GAIN and B GAIN less than 192 and find proper
values for adjustment.
When B GAIN is fixed at 192:
keep R GAIN and G GAIN less than 192 and find proper
values for adjustment.
(7) Adjust using Volume +/- KEY.
(8) When the adjustment is completed, press the OK (
A
KEY)
button  to  move  to  the  Ez  –Adjust  screen.  Press  the  ADJ
KEY to exit the adjustment mode.
[Ref.] White Balance Adjustment Pixel and Color Temperature
(1) Standard white balance standard white balance coordinate
when using CS-1000 device:
(2) Directed color coordinate when using CA-100 CH 10
Brightness: Full white 216gray 
(3) Directed color coordinate when using CA-210 CH 10
8. Check the adjustment of the plant
shipping mode
Color temperature Color analyzer
Color coordinate
X
Y
COOL
CA-100
0.276±0.002
0.283±0.002
MEDIUM
CA-100
0.285±0.002
0.293±0.002
WARM
CA-100
0.313±0.002
0.329±0.002
Color temperature Color analyzer
Color coordinate
X
Y
COOL
CA-210
0.276±0.002
0.283±0.002
MEDIUM
CA-210
0.285±0.002
0.293±0.002
WARM
CA-210
0.313±0.002
0.329±0.002
Color temperature Measuring instrument
Color coordinate
X
Y
COOL
11000K,  ∆uv=0.000
0.276
0.283
MEDIUM
9300K,  ∆uv=0.000
0.285
0.293
WARM
6500K,  ∆uv=0.000
0.313
0.329
1
2
3
4
5
6
7
8
9
10
Digital
30
Off
16:9
1
Dynamic
Cool
Off
Auto
Standard
Off
0
On
On
--
Off
Off
Off
16:9
Off
Normal
Off
C0, C5, C6, S11,
C20, C35, C52, C68
C43
Item
Condition
No
Remark
Input Mode
Volume Level
Mute
Aspect Ratio
SET ID
Picture  PSM
Color Temp.
Advanced
Cinema
Black level
Sound
SSM
AVL
Balance
TV Speaker
Time
Auto Clock
Manual Clock
Off Timer / On Timer
Sleep Timer / Auto Off
Option
Sub title
Child Lock
ARC
Demo
ISM Method
Low Power
Channel Memory    Analog
Digital
Page of 59
Display

Click on the first or last page to see other 42PB4D-AA (CHASSIS:PB73B) service manuals if exist.