32LX2D-UA (CHASSIS:AL-04DA) - LG TV Service Manual (repair manual). Page 11

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3.2.4. Adjustment method

A) When entering the component, input 100%

Horizontal Color Bar Pattern (HozTV30Bar) of the
supportable 720P mode, and select Component 1
or Component 2 input, and select Normal image.

B) Wait for at least one second after receiving the

signal and press the ADJ key on the adjustment
remote control to enter into Ez-Adjust. Then, select
"1. AD9883A-Set" and press the + key for
automatic adjustment.

C) If adjustment is completed successfully, the

"AD9883A Component Success" message will be
displayed. Otherwise, the "AD9883A Configuration
Error" message will be displayed.

D) If the adjustment for component AD9883A is

finished, it will automatically switch to RGB-DTV
mode, and the above-mentioned pattern will be
displayed. If adjustment is successfully completed,
"AD9883A RGB_DTV Success" message will be
displayed.

E) If adjustment is not completed successfully, check

the pattern or adjustment condition and try again.

F) If adjustment is completed successfully, press the

ADJ key to exit from the adjustment mode.

3.3. Adjusting White Balance

3.3.1 Equipment

- Color Analyzer (CA-100 or equivalent item)
- Automatic adjustment device (Needed for automatic

adjustment. It should support RS-232C
communication, Baud rate: 115,600)

- Pattern Generator (MSPG-925FA): Equipment with

DVI output.

- Pattern: High light 80% Full White

3.3.2 Measurer Connection Diagram (Automatic

adjustment)

Connection diagram for 32LX1D-U automatic
adjustment
Note) RS-232C Commands used for automatic

adjustment.

3.3.3. Manual White Balance Adjustment

When adjusting after carrying out zero calibration for
CA-100, the sensor should be tightly fixed on the
LCD module surface. Take the following steps for
manual adjustment.
A) Press the ADJ key on the adjustment remote

control to enter into "Ez-Adjust."

B) Select "9. White Pattern" using CH +/- key and

press the OK key. Then, perform Heat Run for
more than 30 minutes.

C) Make the Digital Pattern Generator supply Full

White Pattern signal.

(Connect the external input to "HDMI".)

D) Fix the sensor to the screen center and press the

ADJ key on the adjustment remote control to
select "6. White balance" in "Ez-Adjust". Then,

press the right direction key (

) to enter into the

adjustment mode.

E) Adjust the high light using R Gain, G Gain, and B

Gain.

F) Use Volume +/- key for adjustment.

3.3.4. Adjustment Target value

- Brightness value
- Target value

X coordinate value / Y coordinate value / 
White Balanc / Special items.

3.4 Video (uPD) - Automatic Set Adjustment

This automatic adjustment function narrows the color
difference between the main and sub screen of the RF
and video signal. Adjustment is made for both RF
mode and video 1 mode. The signal source of RF is
internal 02Ch, and the signal source for video 1 is
100% full color bar.

3.5 RS232C Operation Check

Press In-start in the adjustment remote control and
enter '6. Baud Rate' menu. Then, change the baud
rate to 9600 and check RS232C operation.