3.3.LAN

2)MAC Address Download

-Com 1,2,3,4 and 115200(Baud rate)

-Port connection button click(1)

-Load button click(2) for MAC Address write.

-Start MAC Address write button(3)

-Check the OK Or NG

3.3.LAN

(1)Equipment & Condition

A Each other connection to LAN Port of IP Hub and Jig

(2) LAN inspection solution

A LAN Port connection with PCB

A Network setting at MENU Mode of TV A setting automatic IP

A Setting state confirmation

-> If automatic setting is finished, you confirm IP and

3.4. LAN PORT INSPECTION(PING TEST)

Connect SET -> LAN port == PC -> LAN Port

SET 3.4. LAN PORT INSPECTION(PING TEST)SET  PC3.5. V-COM Adjust(Only LGD(M+S) Module) PC

(1)Equipment setting

1)Play the LAN Port Test PROGRAM.

2)Input IP set up for an inspection to Test Program.

*IP Number : 12.12.2.2

(2)LAN PORT inspection (PING TEST)

1)Play the LAN Port Test Program.

2)Connect each other LAN Port Jack.

3)Play Test (F9) button and confirm OK Message.

4)Remove LAN CABLE

3.5. V-COM Adjust(Only LGD(M+S) Module)

- 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.

Circuit Block

MAC Address.

S

YDa ta I nput

S

T

EPowerw erInputI nput

M

Data (R,G,B ) &

 

 

Gamma

Control signal

 

 

Re fer ence V oltage

 

Ti m in g

Data (R,G,B) & C ontrol signal

 

Gamm a Reference

 

 

 

 

In

Cont r oll er

 

 

 

Control signal

 

Volta ge

t

 

 

er

 

 

 

 

 

face

 

 

So urce D

r ive I C

 

 

 

 

 

 

 

Gat

Column Line

 

Panel

Po w er

 

VCOM

 

 

e

 

 

Blo ck

 

Driv

CLC

CST

 

 

 

 

e

 

 

Liquid

 

VCOM

IC

Row Line TFT

 

Crystal

 

 

 

 

VCOM

Copyright © 2010 LG Electronics. Inc. All rights reserved.

- 8 -

LGE Internal Use Only

Only for training and service purposes

 

 

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LG Electronics 47LE730N-ZA, 47LE7300-ZA, 47LE7380 Lan Port Inspectionping Test, V-COM AdjustOnly LGDM+S Module, Set Pc