Read Panasonic KX-T7630RU Service Manual online
6
KX-T7630RU-B
4.2.
Circuit Operations
4.2.1.
KEY Input Control Circuit
The key data is under the matrix control by 19 to 23, 25, 44, 45(KEYOUT) and 28 to 35(KEYIN) of IC3.
The key information outputted from KEYOUT is inputted into KEYIN, when the key is pressed.
The key information outputted from KEYOUT is inputted into KEYIN, when the key is pressed.
Click on the first or last page to see other KX-T7630RU service manuals if exist.