Panasonic KX-FT21RS - Manual (Page 110)

6.4.2. Block Diagram
IC3
RAM
IC2
ROM
(11)
(12)
SYSTEM
BUS
Analog
Front/End
NCU
TEL.LINE
P/S
CONVERTER
THERMAL
HEAD
(15)
(14)
CPU
RAM
MODEM
IMAGE
PROCESSING
SECTION
A
D
ANALOG
SIGNAL
CONTACT
IMAGE
SENSOR
PROCESSING
SECTION
IC1
(2)
(3)
(1)
(9)
(7)
(8)
(4)
(5)
(6) (10)
(13)
IC5
(AFE)
110
KX-FT21RS