Operation Board Section - Panasonic KX-FP215 Service Manual

KX-FP215
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 (IC501: on the Digital BOARD).
The key matrix table is shown below.
ASIC
CN504
IC501
DIGITAL BOARD
Key Matrix
CN302
CN301
GATE ARRAY
IC301
XLED9, 10
DOCUMENT TOP SW
DOCUMENT SET SW
KX-FP215 : OPERATION BOARD BLOCK DIAGRAM
LCD MODULE
KSL0~4
KIN0~7
+5V
LED2
R320 LED301
AUTO ANSWER
46
8x5
KEYS
MATRIX