Panasonic KX-FT931LA-B

13
KX-FT931LA-B
6.2.1. General Block Diagram
POWER SUPPLY BOARD OPERATION PANEL
DIGITAL BOARD ANALOG BOARD
DRAM
4Mbit
3.3V
IC4
FLASH
4Mbit
PROGRAM
3.3V
IC2
FET
ANALOG
SW
IC10
32.256MHz
IC5
MODEM
BOA
R
x
T
x
THERMAL
HEAD
BUFFER
+24V
THON
STB1,2 THLAT,THCLK, THDAT
2 strobe
Tr
CIS
+5V
3.3V chip
LED ON
CLK, SIG
IC7
MOTOR DRIVER
CPU
OP-PANEL
I/F
256kbit
ROM
64Kbit
SRAM
A/D
IMAGE
PROCESSING
RTC
SERIAL
I/F
MOTOR
I/F
PRINTER
CONTROL
VOL
TONE
32.768KHz
OSC
24MHz
MOTOR
SPEAKER HANDSET
To FLASH
PROGRAMMER
+24
+6V
REG REG
+5V
+6V
+24V+6V
GATE
ARRAY
LCD PANEL
English 2 lines
Tact SW
KEY MATRIX
SENSOR x2
(Doc sensor, Read position sensor)
MESSAGE
MIC
FLASH
4Mbit
(TAM Model)
3.3V
(NC)
IC6
LINERX
CPC
MONRX
LINE
EXT. LINE
Relay
Transformer
LINETX
HOOK
PAPER
(Not Used)
(Not Used)
(Not Used)
BELL
PCONT
ASIC
IC1
TONE1
ACK_EN
H/SRX
H/STX_MUTE
+24V
RLY
+3.3
RESET