DOWNLOAD LG 37LE5300 (CHASSIS:LJ01D) Service Manual ↓ Size: 7.13 MB | Pages: 46 in PDF or view online for FREE

· W/B Equipment condition

CA210 : CH 9, Test signal : Inner pattern (85IRE)

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

of adjust remote control)

* 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.

* 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 10 cm 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 5 minutes.

- Using  ‘no signal’ or ‘full white pattern’ or the others,

check the back light on.

• Auto adjustment Map(RS-232C)

RS-232C COMMAND
[CMD

ID DATA]

Wb

00

00

White Balance Start

Wb

00

ff

White Balance End

<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 “6. White

Balance”.

* 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. And Mechanical Power Switch must be set
“ON”.

• 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 Assembly, 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 Assembly, 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

- 13 -

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)

(216gray,85IRE)

Warm

6,500

K

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

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

1) Press Adj. key on the Adj. Remote control.
2) Select EDID D/L menu.
3) By pressing Enter key, EDID download will begin
4) If Download is successful, OK is display, but If Download if

failure, NG is displayed.

5) If Download is failure, Re-try downloads.

* Edid data and Model option download (RS232)

* Caution

1) Use the proper signal cable for EDID Download

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

2) Never connect HDMI & D-sub Cable at the same time.
3) Use the proper cables below for EDID Writing
4) Download HDMI1, HDMI2, separately because HDMI1 is

different from HDMI2

1) FHD RGB EDID data(Check sum:1D)

2) FHD HDMI EDID data

HDMI 1 (Check sum:04, 5A)

HDMI 2 (Check sum:04, 4A)

HDMI 3 (Check sum:04, 3A)

- 14 -

Item

Manufacturer ID

Version

Revision

Condition

GSM

Digital : 1

Digital : 3

Data(Hex)

1E6D

01

03

D-sub to D-sub

DVI-D to HDMI or HDMI to HDMI

For HDMI EDID

For Analog EDID

NO

Item

CMD1 CMD2

Data0

Enter

Download

A

A

0

0

When transfer the ‘Mode In’,

download Mode

‘Mode In’

Carry the command.

EDID data

Download

A

E

00 10

Automatically Download

and Model

(The use of a internal pattern)

option download

HDMI 4 (Check sum:04, 2A)

3) HD RGB EDID data(Check sum:70)

4) HD HDMI EDID data

HDMI 1 (Check sum:1C, BA)

HDMI 2 (Check sum:1C, AA)

- Why need Vcom adjustment?

A

The Vcom (Common Voltage) is a Reference Voltage of
Liquid Crystal Driving.
-> Liquid Crystal need for Polarity Change with every frame.

- Adjust sequence

· Press the PIP key of th ADJ remote control.(This PIP key is

hot key to enter the VCOM adjusting mode)

(Or After enter Service Mode by pushing “ADJ” key, then
Enter V-Com Adjust mode by pushing “

G

” key at “10. V-

Com”

· As pushing the right or the left key on the remote control,

and find the V-COM value which is no or minimized the
Flicker. (If there is no flicker at default value, Press the exit
key and finish the VCOM adjustment.)

· Push  the  “OK” key to store value. Then the message

“Saving OK” is pop.

· Press the exit key to finish VCOM adjustment.
(Visual Adjust and control the Voltage level)

- 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 impacted on 1.5 kV(dc) or 2.2
kV(dc) for one second.

- 15 -

HD(CCFL) FHD(CCFL)

HD(LED)

FHD Small(LED) FHD(LED)

32LD350-SB

32LD460-SA 22LE5300-SA 22LE6500-SA 32LE4600-SA
37LD460-SA 26LE5300-SA 26LE6500-SA 42LE4600-SA
42LD460-SA

47LE4600-SA

47LD460-SA

55LE4600-SA

32LD420-SA

32LE5300-SA

42LD420-SA

37LE5300-SA
42LE5300-SA
47LE5300-SA
55LE5300-SA

Row  Li ne

Column  Line

C

LC

C

ST

S

Y

S

T

E

M

Gat

e

 Driv

e

 IC

So urce D r i v e  I C

Ti m i n g  
Co nt r o ll e r

Po w e r  
Blo ck

V

COM

Ga mma
Re f e r e nce V o ltage

Gamm a R eference
Volta ge

Da ta (R ,G,B ) & C ont ro l s ignal

Con t rol si gnal

Data (R ,G,B ) &
Con t rol si gnal

In
te

r

fa

c

e

TFT

Po w e r  I n p u t

Power Input

Da t a  I n p u t

Da t a  I n p u t

V

COM

Liquid 
Crys tal

V

COM

- 16 -