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NO SOUND
2-5. USB
2-5-1. Solution
Replace MAIN board.
2-5-2. How to troubleshoot (Countermeasure)
1) Please check USB Jack and FB201 soldering status. And check 5 V at JK201 pin1.
2) If soldering status and voltage has abnormal status, replace MAIN board.
2-5-3. Service hint (Any picture / Remark)
FB201
FB201
ONE POINT REPAIR GUIDE
< MAIN board top view >
3-12
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