42PC5D-UC, 42PC5DC-UC (CHASSIS:PA-73E) - LG TV Service Manual (repair manual). Page 16

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(1) Purpose: to reduce the difference in color temperature

among modules

(2) Principal: A module is in full dynamic range when RGB

Gain on OSD is 192. To adjust the white balance without
causing full dynamic range and full data, fix one of RGB
Gains at 192 and control the other two by reducing them
from 192.

(1) Color Analyzer : CA-100+(CH 10), CA-100(CH 10) or CA-

210(CH 10)
=> To adjust color temperature of Plasma, CS-1000 is the

Color Analyzer and should be set to use CH 10 in which
white, red, green, and blue color are corrected. Conduct
the adjustment according to the coordinates for White
Balance adjustment in the table below.

In the case of using color-corrected CA-100, CA-100+,
and CA-210 (using CH10) to adjust Plasma, there are
differences for CS-1000 in the result due to the
characteristics of a module or filter. The target values of
the color coordinates in the table below are given to
prevent it.

(2) Automatic adjustor (with automatic adjustment necessity

and the RS-232C communication being possible)

(Automatic Adjustment)

Use the internal pattern to adjust White Balance. The pattern
is automatically given when the automatic adjustment device
is connected or when a user presses ADJ on the remote
controller to start Ez Adjust and then selects 6.White-Balance.

[

Requirements for Automatic Adjustment

(1) The illuminance of surroundings

10 lux or less; preventing light in surroundings as much as
possible

(2) The location of the Probe

1) For PDP: place the color analyzer (CA-100, CA-100+,

and CA-210) close to the surface of a module and start
the adjustment.

2) For LCD: place the color analyzer (CA-210) close to the

surface of a module within 10 cm and keep the probe of
the color analyzer at 80° to 100° angle from the surface
of a module.

(3) Aging time

1) Once Aging is started, keep the power on without power

supply interruption for at least 15 minutes for heat run.

2) For PDP, use the internal pattern to adjust White

Pattern.

3) For LCD, use NO SIGNAL or Full White Pattern to

ensure the backlight is turned on.

(Automatic Adjustment)

(1) Turn on the POWER ON(

Â

) of the remote controller to set

the adjustment and then start the automatic adjustment or
set the Baud Rate to 115200.Â) of the remote controller to 

(2) Start the adjustment from “wb 00 00” and complete it at

“wb 00 ff”. (Adjust the offset if necessary)

wb 00 00 the automatic adjustment of White Balance is
started.
wb 00 10 adjusting gain (internal pattern appears) is
started.
ja 00 ff adjusting data
jb 00 c0
...
wb 00 1f adjusting gain is completed.
Adjust the offset (from wb 00 20 to wb 00 2f) if necessary.
wb 00 ff the automatic adjustment of White Balance
(internal pattern disappears) is completed.

C A -100+

C O L O R

A N A L Y Z E R

T Y P E ; C A -100+

F u l l W h i t e P at t er n

R S-232C

Connection Diagram of Automatic Adjustment