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KX-T7665AL
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Led Circuit - Panasonic KX-T7665AL Service Manual
Digital proprietary telephone
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KX-T7665AL / KX-T7665X
10.3. LED CIRCUIT
The lighting of the LED is controlled by pin 14 to 18 (Row) and pin 8 to 13 (Colum) of IC2.
The LED lights up in a dynamic lighting system.
The duty ratio is 1/8 (ON time 1.5ms).
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