LG Electronics 42LC2D(B), 32LC2D(B), 37LC2D(B) service manual No image

No image

Is the

YES

Is the input

NO

Attach the input

Set ON

cable attached?

cable(s)

NO

YES

Push the POWER

ON key

Check the

What is

Power Error

Condition of all

PASS

Connectors, wafers,

the input signal

I2C In the

mode?

FAIL

system.

Check 8bit

FAIL

DTV

Signal at digital

Check 5V

Tuner at

At L305,310

R318-326.

PASS

PASS

- 23

Check 24bit

Check 8bit

Check 8bit

Replace Tuner

-

Check LVDS

PASS

PASS

PASS

RGB at AR700-

Signal at AR 500-

Signal at AR110-

Output of Cortez

PASS

AR705

AR501

AR111

Check for S/W error

FAIL

FAIL

FAIL

FAIL

Replace Cortez

Replace IC505

Check power

PASS

Check Power

Levels for

Replace STi5100

Levels and crystal

STi5100

PASS

Replace Hudson

FAIL

FAIL

Power Error

Power Error