3-8
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Only for training and service purposes.
ONE POINT REPAIR GUIDE
2. NO SOUND
2-1. BLUETOOTH
2-1-1. Solution
Replace Bluetooth module/ MAIN board.
2-1-2. How to troubleshoot (Countermeasure)
1) Please check status of Bluetooth cable connection (at CN102 and BT Module).
2) Please check 3.3 VA (at pin1 of CN102).
-
If 3.3 VA is OK, please check BT_RST, USB_DP_BT, USB_DN_BT, BT_WAKEUP, BT_STANDBY
(pin10, 6, 7, 11, 12)
- If no signal, please replace MAIN board.
2-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
CN102