Read Panasonic KX-T7735RU-B (serv.man2) Service Manual Supplement online
8
KX-T7735RU-B
1.7.
CIRCUIT OPERATIONS
1.7.1.
KEY INPUT CONTROL CIRCUIT
Change from the Original Service Manual Section 8.1.
Sequential input information is executed by dynamic scanning.
The ports P3_1, P3_6, P8_4~6, P8_1 of IC1 are brought to high status consecutively.
If a key is pressed, the key-in information input is executed by ports P2_1~7, P6_1~2.
The ports P3_1, P3_6, P8_4~6, P8_1 of IC1 are brought to high status consecutively.
If a key is pressed, the key-in information input is executed by ports P2_1~7, P6_1~2.
Click on the first or last page to see other KX-T7735RU-B (serv.man2) service manuals if exist.