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LG NP8540 - Wired Network Connection Error

LG NP8540
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3-12
ONE POINT REPAIR GUIDE
4. WIRED NETWORK CONNECTION ERROR
When you connect AP through the wired LAN, connection failed.
4-1. JK500 (Ethernet Jack)
4-1-1. Solution
Replace JK500 on main board.
4-1-2. How to troubleshoot (Countermeasure)
1) If there is soldering problem, please re-soldering pin JK500.
2) If after re-soldering, problem still occurs, replace JK500.
3) If problem still occurs after change JK500, check MT8506 IC(IC501).
Refer to the stage 3-2-2 at the previous page.
4-1-3. Service hint (Any picture / Remark)
< Main board top view >
JK500
JK500

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