Panasonic KX-TS2365RUB - Bell Detector Circuit

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13.1 Bell Detector Circuit
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When the bell signal is input between T/R, the signal are outputted at the speaker via the following path:
Tel line → R1/C1 → D1 → Pin 1 of IC1 → Pin 8 of IC1 → C6 → T1 → C625 → Speaker
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http://202.224.189.179/view_new/OT/KX-TS2365RUB/SVC/s1301000000.html11.02.2008 12:57:09