32LC7D (CHASSIS:LA73E) - LG TV Service Manual (repair manual). Page 15

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(Automatic Adjustment)

LA73E Chassis Model All]

(Manual Adjustment)

Required Equipment :  CA-210 

(1) Enter ‘Ez - Adjust’ by pressing ADJ KEY on the Service

Remote Control.

(2) Select "9. TEST PATTERN" using CH +/- Key and HEAT

RUN at least 30 minutes by pressing the ENTER Key.

(3) Zero Calibrate of the Color Analyzer, then attach sensor to

LCD module surface when you adjust.

(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) .
(The internal pattern of full white appears by pressing G)

(5) The adjustment is conducted in three levels of color

temperature; COOL, MEDIUM, and WARM.

* Color temperature: Cool, Medium, Warm

(1) When R Gain is fixed at 192,

Control G Gain and B Gain by reducing them from 192.

(2) When B Gain is fixed at 192,

Control R Gain and G Gain by reducing them from 192.

(3) When G Gain is fixed to 192,

Control R Gain and B Gain by reducing them from 192.

Fix one of three Gains (R Gain, G Gain, and B Gain) at 192
and control the other two by reducing values from 192 to
prevent it from increasing.

(When RGB Gains are all 192, the module is in full dynamic
range.)

USB Download enables quick response to S/W upgrading and
helps to configure the panel to the latest updates.

(1) Before starting USB download, ensure that the power is

turned off and the display is turned on.

(2) Once the USB memory stick containing the upgraded file

is connected to the USB port on the main board, the
following picture appears on the screen.

(3) Check the current version at [Current TV Software Version

Information] and the target version at [New Found TV
Software Version Information]. Press Enter on the remote
controller to confirm the upgrade.

(4) The following picture shows the downloading in progress.

Once the download is completed, the power is
automatically turned on and off. (Otherwise, please turn the
power on and off)

(5) Once the download is completed, remove the USB

memory stick from the USB port. Press IN-START on the
remote controller to check the upgraded S/W version at the
top of the screen while the display is turned on.

R Gain

G Gain

B Gain

R Cut

G Cut

B Cut

jg

jh

ji

Cool

ja

jb

jc

Mid

RS-232C COMMAND

[CMD ID DATA]

CENTER

(DEFAULT)(Decimal)

jd

je

jf

00

00

00

192

192

192

Warm

Min

Max

(Deci

mal)

64

64

64

Cool

64

64

64

Mid

64

64

64

Warm

   

Do not plug off.

Press EXIT to cancel the upgrade.

<S/W Upgrade Screen>

The software upgrade is now in progress.

Until the whole process if completed, please.

- Do not remove the memory card from the slot.

- Do not plug off.

Reading the file---Done

Upgrading---Done

The TV will restart automatically in 0 seconds.

<Downloading in progress Screen>