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C

2009

- 17 -

• RS-232C Command used during auto-adjustment

Ex) wb 00 00 -> Begin white balance auto-adj.

wb 00 10 -> Gain adj.
ja 00 ff -> Adj. data
jb 00 c0
...
...
wb 00 1f -> Gain adj. complete
*(wb 00 20(Start), wb 00 2f(End)) -> Off-set adj.

wb 00 ff -> End white balance auto-adj.

5.2.5 Adjustment method

5.2.5.1 Auto adjustment method

1) Set TV in adj. mode using POWER On Key

2) Zero calibrate probe then place it on the center of the

Display

3) Connect Cable(RS-232C)
4) Select mode in adj. Program and begin adj.
5) When adj. is complete (OK Sign), check adj. status per

mode (Warm, Medium, Cool)

6) Remove probe and RS-232C cable to complete adj.

• adj. must begin w/ command “Wb 00 00”, and end w/”wb

00 ff” and adjustment offset if needed.

5.2.5.2 Manual adj. method

1) Set TV in adj. mode using POWER On Key
2) Press ADJ key Æ EZ adjust using adj. R/C
3) Using CH + / - KEY, select 7.TEST PATTERN then press

Enter to place inHEAT RUN mode and wait for 5
minutes.

4) Zero calibrate the probe of Color Analyzer, then place it

on the center of LCD module within 10 cm of the surface.

5) Press ADJ key Æ 6. White-Balance then press the cursor

to the right (KEY

)

(When

is pressed Full White internal pattern will be

displayed)

6) One of R Gain / G Gain / B Gain should be fixed at 192,

and the rest will be lowered to meet the desired value.

7) Adjustment is performed in COOL, MEDIUM, WARM 3

modes of color temperature

• If internal pattern is not available, use RF input(Full white

216 gray) In EZ Adjustment menu 6.White Balance, you
can select one of 2 options: Test pattern ON, Test pattern
OFF. Default is “ON” By selecting “OFF”, you can adjust
using RF signal.

• Adjustment condition and cautionary items

1) Lighting condition in surrounding area Surrounding

lighting should be lower than 10 lux.

Try to isolate adj. area into dark surrounding.

2) Probe location

- Color Analyzer (CA-210) probe should be within 10cm

and perpendicular of the module surface (80°~ 100°)

- B/L on should be checked using no signal or Full white

Pattern

5.2.6 Reference 

(White Balance adj. coordinate and color temperature)

• Luminance: Full white 216 Gray
• Standard color coordinate and temperature using CS-1000

• 37/42/47LH40-UA (N-America)

Standard color coordinate and temperature using CA-210(CH 09) 

5.3 Manual V-Com adjustment Method

* V-Com needs to be adjusted.(Default value is “450”)

1) Set TV in adj. mode using POWER On Key
2) Press ADJ key -> EZ adjust using adj. R/C
3) Using CH + / - KEY, select “10.V-Com”
4) Store the optimized default value “440” if there is not flicker

on the picture.

5) But is there flicker on the picture, Adjust V-Com using VOL

+ / - KEY

6) Stop adjusting V-Com if green pattern doesn’t show flicker.

and then stored current value and exit.

5.4 Option selection per country

America due to rating

• Applied model: LA92G Chassis applied None USA

Model(Canada, Mexico)

5.4.2 Method
1) Press ADJ key on the Adjustment R/C, then select Country

Group Menu

2) Depending on destination, select KR or US, then on the

lower option, select US, CA, MX. Selection is done using
+, - KEY

Coordinate 

Mode 

x y 

Temp uv

∆

Cool 0.276 0.283  11000K  0.0000

Medium 0.285  0.293 

9300K 

0.0000

Warm 0.313  0.329 

6500K  0.0000

Coordinate 

Mode 

x y 

Temp uv

∆

Cool 0.276±0.002 0.283±0.002 11000K 0.0000

Medium 0.285±0.002  0.293±0.002 

9300K 

0.0000

Warm 0.313±0.002  0.329±0.002  6500K  0.0000

EZ ADJUST

0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test pattern

8. EDID D/L

9. Sub B/C

10. V-Com

11. P-Gamma

CMD

ID DATA

Explanation

wb 

00 

00 

Begin White Balance adj.

wb

00 

ff

End White Balance adj. 

(internal pattern disappears)

5.5 EYE-Q function check

Step 1) Turn on TV
Step 2) Press EYE key of Adj. R/C
Step 3) Cover the Eye Q II sensor on the front of the using

your hand and wait for 6 seconds

Step 4) Confirm that R/G/B value is lower than 10 of the

“Raw Data (R: G: B: )” .

If after 6 seconds, R/G/B value is not lower than 10,
replace Eye Q II sensor

Step 5) Remove your hand from the Eye Q II sensor and wait

for 6 seconds

Step 6) Confirm that “B. Light(xxx)” value increases from 0.

If change is not seen, replace Eye Q II sensor

< step 2>                       < step 3>                       < step 4>

< step 5>                    < step 6>

5.7 Ship-out (Default) mode check (Instop)
• After final inspection, press In-Stop key of the Adjustment R/C

and check that the unit goes to Stand-by mode.

• After final inspection, Mechanical S/W(AC S/W) to the “on”

position.

- Check that Power Cord is fully inserted to the set

(If loose, re-insert)

- Unit w/ fully inserted power cord and A/V arrives to the auto-

check process.

- Connect D-terminal AV JACK TESTER
- Auto CONTROLLER(GWS103-4) ON
- Perform GND TEST
- If NG, Buzzer will sound to inform the operator
- If OK, changeover to I/P check automatically

(Remove CORD,A/V from AV Jack Box)

- Perform I/P test
- If NG, Buzzer will sound to inform the operator
- If OK, Good lamp will lit up and the stopper will allow the

pallet to move on to next process.

6.2 Checkpoint

NEUTRAL

• LEAKAGE CURRENT: At 0.5mArms

7.1 Overview

•USB download allows fast SW upgrade in SVC areas or

during Board-level production

7.2 Download Method

1) After set on, confirm that image is displayed
2) Insert USB memory stick that contains the SW and after

few seconds similar image to the picture below will appear

3) In [Current TV Software Version Information] confirm

current version, and in [New Found TV Software Version
Information] confirm to-be version then press Enter by
selecting Start

4) Progress bar will appear as below and after completion,

the set will reset (if the process does not advance to the
picture below, reset the unit and repeat the steps)

5) After download is complete, remove USB memory stick
6) By pressing In-Start on the adj. R/C, check the version

- 18 -

C

2009

TV Software Upgrade

INFORMATION

MODEL

Current ver.

Update ver.

LU-FHD 128

Ver. 3.00

Ver. 3.01

47LH40-UA-v0301.epk

START

CANCEL

Press arrow key to move to the Start and....

TV Software Upgrade

Do not unplug until restart automatically

UPGRADING....

25%

TV Software Upgrade

Do not unplug until restart automatically

UPGRADING....

COMPLETE

C

2009

- 19 -

Check standby Voltage

P700 8pin : +5V_ST

NO

Check Power connector

and AC S/W on?

OK

Check Fuse

OK

Replace Power board

 OK

Check X100 clock

12MHz

NO

Replace X100

 OK

Check P700 PWR_ON

2Pin : 5V

NO

Re-download software

OK

Replace Mstar(IC100)

or Main board

 OK

Check Q706 Output Level

5V

NO

Replace Q706

 OK

Check Multi Voltage

P700 13pin : 12V,

        18pin : 20V

NO

Replace Power board

 OK

Check inverter control & error

P700 22pin : Low

P700 20pin : high

NO

Check Power board

or Module

 OK

Check IC704 output voltage

3.3V

NO

Replace IC704

 OK

Check Mstar LVDS output

R1109, R1110, R1111, R1120

NO

Replace Mstar(IC100)

or Main board

 OK

Check URSA2 mini-LVDS output

P1400, P1401

NO

Replace Mstar(IC700)

or Main board

 OK

Check

P1400, P1401

NO

Replace Mstar(IC700)

or Main board

- 20 -

C

2009

Check RF Cable & Signal

 OK

Check Tuner 5V Power

TU1001 4Pin

NO

Check IC1002

 OK

Check IF_P/N Signal

NO

Replace Tuner.

 OK

Check Check Demodulator Input

Clock(X1005-25MHz)

NO

Replace X1005

 OK

Check IC1004(LGDT) Output

- AR1070, AR1071

NO

Replace IC1004

 OK

Check Mstar LVDS output

R1109, R1110, R1111, R1120

NO

Replace Mstar(IC100)

or Main board

Check RF Cable

 OK

Check Tuner 5V Power

TU1001 4Pin

Check IC1002

 OK

Check CVBS signal.

TU1001 #19 Pin

Replace Tuner.

 OK

Check Mstar LVDS output

Replace Mstar(IC100)

or Main board

NO

NO

NO

Check input signal format.

Is it supported?

 OK

Check Component Cable.

 OK

Check JK1206

NO

Replace Jack.

 OK

Check Mstar LVDS output

NO

Replace Mstar(IC100)

or Main board