abnormality which has occurred previously can be defined moment when the protection function worked as long as the backup data has been stored. (Reference voltage: 3.3 V=255) For details, refer to“T4. PROTECTIONDETECTION” menu. TMP1: Heatsink TMP3: Bridge diode 2-3. 電源部の電圧異常によりプロテクションが働いた 原因: 2-6. スピーカー