LG 566LE ADJUST

566LE Service Manual

11. ADJUSTMENT

11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS

1. Approximately 30 minutes should be allowed for warm up before proceeding.

2. Adjustments should be undertaken only on those necessary elements since most of them
have been carefully preset at the factory.

3. ESD protection is needed before adjustment.

11.2. MAIN ADJUSTMENTS

NO. FUNCTION DESIGNATION

2. Eeprom Initial Function Key

1. V-com Voltage R281

3. White Balance Function Key

4. Geometry Function Key

11.3. ALIGNMENT PROCEDURES

Adjustment Conditions and Precautions:

(A). Power supply voltage:

AC 110/120V±10% 60 Hz±5%, AC 220/240V±10% 50 Hz ±5%.

(B). Warm up time:

The display must be power ON for at least 30 minutes at full white pattern before
starting alignments.
This is especially critical in color temperature and white balance adjustments.

(C). Signals: reference the front detail specifications and timing table.

Video : reference the front detail specifications.

1. Adjustment of V-com Voltage:

A. Timing : 1024x768@60Hz.
B. Pattern : The picture of “ Shut down windows” or Full screen pixel ON/OFF pattern.
C. Adjust R281 to let the center of the screen no flash.

2. Eeprom Initial:

A. Timing : 1024x768@60Hz.
B. Pattern : Cross hatch.
A. Switch off the power and press the “▲” and “ 2

on the power. At this time we can enter into the factory mode when press the “ 1

D. Select the “EEPROM INIT” item and press “ 2

3. White Balance Adjustment :

A. Timing : 1024x768@60Hz.
B. Pattern : Full white.
C. Set CA110 color analizer at the center of screen and along a perpendicular to the

screen at 20cm from the display.

D. Move “▼” key to select the “ WHITE BALANCE” item in the factory mode and

press “ 2

E. Color temperature verificat i on: (Set Bright ness and Contrast to Maximum)

“key, then the white balance will be auto dadjusted.

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“ key simultaneously, then switch

“key to reset the Eeprom.

“key.

6/13/2002

566LE Service Manual

(1) 6500K verify : press “▼” ,“▲” key to move cursor to 6500K at factory mode

and press “ 2

x=0.310 ±0.03
y=0.330 ±0.03
Y≧200 cd/m

(2) 9300K verify : press “▼” ,“▲” key to move cursor to 9300K at

factory mode and press “ 2

x=0.283 ±0.03

y=0.298 ±0.03

4. Geometry:

A. Pattern : Cross hatch
B. Change each mode on the timing table in turns and excute the “Auto Adjust “ function

on the OSD menu , then all the data of the each mode will be auto saved after finish the
“Auto Adjust “ function.

C. Until all of modes are agjusted, press “ 1

exit factory mode.

“ key, and then check the color temperature is

2

“ key, and then check the color temperature is

“ to exit OSD menu and switch power off to

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6/13/2002