Operation Board Section - Panasonic KX-FC971CX-S Service Manual

KX-FC971CX-S / KX-FGA521CX-S
8.9.

OPERATION BOARD SECTION

The unit consists of a LCD (Liquid crystal display), KEYs and LEDs (light-emitting diodes). They are controlled by the Gate Array
(IC1) and ASIC (IC10: on the DIGITAL BOARD). The key matrix table is shown below.
ASIC
IC10
DIGITAL BOARD
CN206
CN1
XLED8, 9
READ POSITION SENSOR
DOCUMENT SENSOR
LCD
(Chip on board type)
CN2
GATE ARRAY
IC1
KIN0~8
XLED13
KX-FC971CX-S: OPERATION BOARD BLOCK DIAGRAM
164
37
KEYS
MATRIX
LED
OPERATION BOARD