Lg Electronics MPEG2/4 사용자 설명서

Lg Electronics

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LGE Internal Use Only

Copyright ©

LG Electronics. Inc. All rights reserved.

Only for training and service purposes

TROUBLE SHOOTING

1. No Power

Check C820 All

Voltage Level (19V)

Check Power connector

OK ?

Replace Adapter

N

N

Check IC802 output

Voltage Level (12V)

Replace IC802 &

Recheck

N

Check IC809 Output

Voltage Level (3.3V_ST)

Replace IC809

N

Y

Check IC810 Output

Voltage Level (2.5V)

Replace IC810

N

Y

Y

Y

Y

Check IC807 Output

Voltage Level (1.5V)

Replace IC807

N

Y

Check IC806 Output

Voltage Level (1.15V)

Replace IC806

N

Check X201 Clock

24MHz

Replace X201

N

Replace IC100 Flash Memory

Y