Lg Electronics 37LT760H-ZA 사용자 설명서

- 17 -

LGE Internal Use Only

Copyright  © 

  LG Electronics. Inc. All rights reserved.

Only for training and service purposes

Check P2401 All

Voltage Level (3.5V, 12V, 24V).

Check P2401 All

Voltage Level (3.5V, 12V, 24V).

Check Q2407 output 

Voltage(12V).

Check IC8700 RESET pin.

Check LVDS Cable.

Check X8701 Clock

10MHz.

Check IC8700 IIC 

Communication status.

Check IR input state of IC8700

13pin.

Re-download NEC Micom

Check LCD Module

Control board

Check power connector and

RL_ON signal OK?

Check power connector and

RL_ON signal OK?

Check Q2407 application circuit 

Or replace Q2407.

Check switch SW8700.

Replace Cable.

Check X8701 application circuit

or Replace X8701.

Check IIC line or replace 

IC8700.

Check IR board.

Replace Power Board.

Replace Power Board.

N

N

N

N

N

N

N

N

Y

Y

Y

Y

Y

Y

Y

Y

N

N