Panasonic KX-FT901CX-B

8.3. CONTROL SECTION
8.3.1. BLOCK DIAGRAM
A0-17
D0-D7
RD
ROM
4Mbit
A0-14
D0-D7
WR
SRAM
1Mbit
RD
RD
WR
TX
RX
TX
RX
H/SRX
SP-OUT
TO OPERATION
PANEL
TO SPEAKER
TO ANALOG BOARD
ANALOG PORT
CONTROL
KRXD, KTXD, KLATCH, KSCLK, KSTART
32.256MHz
MODEM
64kbit
SRAM
PRINTER
CONTROL
RTC
TONE
ASIC IC1
VOL
A/D
IMAGE
PROCESSING
MOTOR
I/F
MOTOR
DRIVER
IC7
RESET
IC3
TO MOTOR
T2-T5
256kbit
ROM
OP-PANEL
I/F
OSC
24MHz
CPU
+24V
+24V
+5V
XRESETI
XWDERR
D0-7
A0-17
WR
RD
TO CIS
TO
THERMAL HEAD
STB1, 2, 3, THLAT
THCLK, THDAT
ANALOG
SW
Q11
FET
LED ON
CLK, SIG
THON
32.768kHz
Q7
CIS ON
KX- FT901/903CX-B/W/S DIGITAL BOARD: BLOCK DIAGRAM
SP-AMP
IC12
CN9
WR
RD
A0-14
D0-D7
IC6
FRASH
4M bit
(KX-FT903 ONLY)
106
KX-FT901CX-B / KX-FT903CX-B / KX-FT901CX-W / KX-FT903CX-W / KX-FT901CX-S / KX-FT903CX-S