8.3. LED CIRCUIT
(1) CIRCUIT OPERATION
The LED executes dynamic lighting for the status indicators, and control is executed by the output ports C0 to C4 (column) and
R0, R1, R4, R5 (row) of IC1.
A fixed pulse (T=1.5 msec) is output continuously from IC1. This pulse is counted and the output of IC1 is shifted sequentially
from C0 to C4.
R0 to R5 of IC1 also output pulses, and the lighting of the LED is controlled by the timing of the output ports C0 to C4.
15
KX-T7565AL / KX-T7565AL-B
Содержание KX-T7565AL
Страница 3: ...3 LOCATION OF CONTROLS 3 KX T7565AL KX T7565AL B ...
Страница 22: ...9 TROUBLE SHOOTING GUIDE 9 1 NO OPERATION 22 KX T7565AL KX T7565AL B ...
Страница 24: ...9 4 SPEAKER PHONE TROUBLE 9 5 TONE DIAL TROUBLE 24 KX T7565AL KX T7565AL B ...
Страница 25: ...9 6 HANDSET TROUBLE 25 KX T7565AL KX T7565AL B ...
Страница 28: ...11 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 28 KX T7565AL KX T7565AL B ...
Страница 29: ...12 CABINET AND ELECTRICAL PARTS LOCATION 29 KX T7565AL KX T7565AL B ...
Страница 30: ...13 ACCESSORIES AND PACKING MATERIALS 30 KX T7565AL KX T7565AL B ...
Страница 34: ...34 KX T7565AL KX T7565AL B ...
Страница 36: ...KX T7565AL KX T7565AL B 36 ...
Страница 39: ...39 KX T7565AL KX T7565AL B H KXT7565ALL4 KXT7565ALBL4 Printed in Japan ...