Operation Board Section - Panasonic KX-FP701LA Service Manual

KX-FP701LA
6.9.

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
(IC301) and ASIC (IC1: on the Digital BOARD).
The key matrix table is shown below.
CN1
ASIC
IC1
CN2
DIGITAL BOARD
Key Matrix
CN404 CN301
XLED9, 10
INTERFACE
BOARD
LCD MODULE
CN302
GATE ARRAY
IC301
LED2
DOCUMENT TOP SW
DOCUMENT SET SW
OPERATION BOARD BLOCK DIAGRAM
48
KSL0~4
8x5
KEYS
KIN0~7
MATRIX
+5V
R320 LED301
AUTO ANSWER