LG Electronics 42CS669C-ZD Total Assembly line process, Function Check, Adjustment Preparation

Models: 42CS669C-ZD

1 41
Download 41 pages 47.27 Kb
Page 11
Image 11
3.4.Function Check

3.4.Function Check

(1)Check display and sound

-Check Input and Signal items. (cf. work instructions)

1)TV

2)AV

3)COMPONENT1/2 (480i)

4)RGB (PC : 1024 x 768 @ 60hz)

5)HDMI

6)PC Audio In

* Display and Sound check is executed by remote control.

<Caution> Not to push the INSTOP key after completion if the function inspection.

4. Total Assembly line process

4.1. Adjustment Preparation

·W/B Equipment condition CA210

-CCFL/EEFL -> CH 9, Test signal : Inner pattern(80 IRE)

-LED -> CH 14, Test signal : Inner pattern(80 IRE)

·Above 5 minutes H/run in the inner pattern. (“power on” key of adjustment remote control)

Cool

13,000

K

X=0.269(±0.002)

 

 

 

 

Y=0.273(±0.002)

<Test Signal>

 

 

 

 

 

Medium

9,300

K

X=0.285(±0.002)

Inner pattern

 

 

 

Y=0.293(±0.002)

(204 gray,80 IRE)

Auto adjustment Map(RS-232C) RS-232C COMMAND

[CMD ID DATA]

Wb

00

00

 

White Balance Start

 

 

Wb

00

ff

 

White Balance End

 

 

 

 

 

 

 

 

 

 

 

 

 

RS-232C COMMAND

MIN

 

CENTER

MAX

 

 

[CMD ID DATA]

 

 

(DEFAULT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cool

Mid

Warm

 

 

Cool

 

Mid

Warm

 

 

 

 

 

 

 

 

 

 

 

 

 

R Gain

 

jg

Ja

jd

 

00

172

 

192

192

192

 

 

 

 

 

 

 

 

 

 

 

 

G Gain

 

jh

Jb

je

 

00

172

 

192

192

192

 

 

 

 

 

 

 

 

 

 

 

 

B Gain

 

ji

Jc

jf

 

00

192

 

192

172

192

 

 

 

 

 

 

 

 

 

 

 

 

R Cut

 

 

 

 

 

 

64

 

64

64

128

 

 

 

 

 

 

 

 

 

 

 

 

G Cut

 

 

 

 

 

 

64

 

64

64

128

 

 

 

 

 

 

 

 

 

 

 

 

B Cut

 

 

 

 

 

 

64

 

64

64

128

 

 

 

 

 

 

 

 

 

 

 

 

** Caution **

Color Temperature : COOL, Medium, Warm.

One of R Gain/G Gain/ B Gain should be kept on 0xC0, and adjust other two lower than C0.

(when R/G/B Gain are all C0, it is the FULL Dynamic Range of Module)

*Manual W/B process using adjusts Remote control.

After enter Service Mode by pushing “ADJ” key,

Enter White Balance by pushing “G” key at “8. White Balance”.

Warm 6,500 K X=0.313(±0.002)

Y=0.329(±0.002)

* Connecting picture of the measuring instrument

(On Automatic control)

Inside PATTERN is used when W/B is controlled. Connect to auto controller or push Adjustment R/C POWER ON -> Enter the mode of White-Balance, the pattern will come out.

EZ ADJUST

0.Tool Option1

1.Tool Option2

2.Tool Option3

3.Tool Option4

4.Tool Option5

5.Country Group

6.Area Option

7.ADC Calibration

8. White Balance

9.10 Point WB

10.Test Pattern

11.EDID D/L

12.Sub B/C

13.Touch Sensitivity Settin

White

Balance

Color Temp.

Cool

R-Gain

172

G-Gain

172

B-Gain

192

R-Cut

64

G-Cut

64

B-Cut

64

Test-Pattern

ON

Backlight

100

Reset

To Set

Full White Pattern

 

CA-210

 

COLOR

ANALYZER

TYPE: CA-210

RS-232C Communication

*Auto-control interface and directions

1)Adjust in the place where the influx of light like floodlight around is blocked. (illumination is less than 10 lux).

2)Adhere closely the Color Analyzer (CA210) to the module less than 10cm distance, keep it with the surface of the Module and Color Analyzer’s Prove vertically.(80º ~ 100º).

3)Aging time

-After aging start, keep the power on (no suspension of power supply) and heat-run over 15minutes.

-Using ‘no signal’ or ‘full white pattern’ or the others, check the back light on.

*After done all adjustments, Press “In-start” key and compare Tool option and Area option value with its BOM, if it is correctly same then unplug the AC cable. If it is not same, then correct it same with BOM and unplug AC cable. For correct it to the model’s module from factory Jig model.

*Push the “IN STOP” key after completing the function inspection. And Mechanical Power Switch must be set “ON”.

Copyright ©2012 LG Electronics. Inc. All right reserved.

- 11 -

LGE Internal Use Only

Only for training and service purposes

 

 

Page 11
Image 11
LG Electronics 42CS669C-ZD service manual Total Assembly line process, Function Check, Adjustment Preparation