3-11
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ONE POINT REPAIR GUIDE
NO SOUND
2-4. Portable
2-4-1. Solution
Replace JACK board.
2-4-2. How to troubleshoot (Countermeasure)
1) Please check soldering status of portable jack and check IC200 pin3 (VCC_5V), pin4 (D_3.3V).
2) If portable jack and voltage has abnormal status, replace JACK board.
2-4-3. Service hint (Any picture / Remark)
IC200
FB202
FB203
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