LG BD630N Service Manual page 55

Network blu-ray disc player

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ONE POINT REPAIR GUIDE

When you turn on your set, it will display "HELLO" on front panel, and it will not boot-up nor-

mally.

3-10. Main board

3-10-1. Solution

Replace main board.

3-10-2. How to troubleshoot (Countermeasure)

1) Please remove IC501 and IC601 ~ IC602, and then check the Impedance between each signal

(DATA, ADDRESS, and so on.)

2) If there is some Impedance (a few ohm or infinite ohm) especially power source trace,

PCB via might be broken. You'd better change main board.

3-10-3. Service hint (Any picture / Remark)

IC501

IC602

IC601

< Main board top view >

3-40

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Bd630