DOWNLOAD LG 47SL90QD-DA (CHASSIS:LT91L) Service Manual ↓ Size: 4.46 MB | Pages: 69 in PDF or view online for FREE

· W/B Equipment condition

CA210 : CH 14(LED), Test signal : Inner pattern (85IRE)

· Above 5 minutes H/run in the inner pattern. (“power on” key

of adjust remote control)

4.1.1. 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

4.1.2. Auto-control interface and directions

1) Adjust in the place where the influx of light like floodlight

around is blocked. (illumination is less than 10ux).

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.(80~100°).

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.

4.1.3. Auto adjustment Map (RS-232C)

**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)

• After enter Service Mode by pushing “ADJ” key,
• Enter White Balance by pushing “

G

”

* After done all adjustments, Press “In-start” button 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.

- 13 -

Cool 13,000k

ºK

X=0.269(±0.002)

Y=0.273(±0.002)

<Test Signal>

Medium 9,300k

ºK

X=0.285(±0.002)

Inner pattern

Y=0.293(±0.002)

(216gray,85IRE)

Warm

6,500k

ºK

X=0.313(±0.002)

Y=0.329(±0.002)

 

Full White Pattern

COLOR
ANALYZER
TYPE: CA-210

RS-232C Communication

CA-210

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

255

G Gain 

jh 

Jb

je 

00

172 

192 

192

255

B Gain 

ji 

Jc 

jf

00

192 

192 

172 

255

R Cut 

64 

64 

64 

128

G Cut 

64 

64 

64 

128

B Cut 

64 

64 

64 

128

White Balance

Color Temp.

R-Gain

G-Gain

B-Gain

R-Cut

G-Cut

B-Cut

Test-Pattern.

Reset

Cool

172

172

192

64

64

64

ON

To set

· Connect D-sub Signal Cable to D-Sub Jack.
· Write EDID DATA to EEPROM (24C02) by using DDC2B

protocol.

· Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

· Connect HDMI Signal Cable to HDMI Jack.
· Write EDID DATA to EEPROM(24C02) by using DDC2B

protocol.

· Check whether written EDID data is correct or not.
* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

1) All Data : HEXA Value
2) Changeable Data :

*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum

* Caution

1) Use the proper signal cable for EDID Download

- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists

2) Nerver connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing.
4) Download HDMI1, HDMI2 separately because each data is

different.

- 14 -

HDMI1

HDMI2

HDMI3

RGB

HDMI1

HDMI2

HDMI3

RGB

D-sub to D-sub

DVI-D to HDMI or HDMI to HDMI

For HDMI EDID

For Analog EDID

Item

Manufacturer ID

Version

Revision

Condition

GSM

Digital : 1

Digital : 3

Data(Hex)

1E6D

01

03

(1) RGB EDID Data 

(2) HDMI EDID Data

* Detail EDID Options are below

Product ID  
Month, Year: Controlled on production line:

ex) Monthly : ‘09’ -> ‘09’

Year : ‘2006’ -> ‘10’

Model Name(Hex):
Checksum: Changeable by total EDID data.

(3) ASCII Code

- FHD model

d

c

b

a

- 15 -

MODEL

MODEL NAME(HEX)

all

00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 

MODEL NAME

HEX 

EDID Table 

DDC Function

FHD Model 

0001 

01 00 

Analog/Digital

INPUT

MODEL NAME(HEX)

HDMI1

67030C001000B82D

HDMI2

67030C002000B82D

HDMI3

67030C003000B82D

HDMI4

67030C004000B82D

1) Auto checking
• Auto checking is doing in “Power Only”
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit”

2) Manual checking
• Push the button “Power Only”and “Exit”
• Push the button hot key “Bluetooth “
• Checking the result of searched (check that is in list or not)
• Go out of checking mode pushing button “Exit

• Dimming checking is doing in “Power Only”
• Enter the signal of component (Pattern: 7 (combination) , Time :

225 (1920 *1080))

• Push the button “Tilt”
• checking the function of Dimming refer to the Picture at below
• Push the button “Exit”

Patter 7 (combination) 

Local Dimming Demo screen

· When pressing IN-STOP key by SVC remocon, Red LED are

blinked alternatively. And then Automatically turn off.

(Must not AC power OFF during blinking)

Confirm whether is normal or not when between power board's
ac block and GND is impacked on 1.5kV(dc) or 2.2kV(dc) for
one second

- 16 -