Panasonic KX-FP342CX

IC501
ASIC
ADR[15:13]
RBA[5:0]
ADR[12:0]
D[7:0]
DRB[7:0]
DB[7:0]
XRD
XWR
XROMCS
XOPRBE
XMDMCS
IC523 FLASH
IC505 MODEM
GATE
ARRAY
A[17:0]
D[7:0]
XRD XCS
A[4:0]
D[7:0]
XRD XWR XCS
XWDERR
INOUT
GND
TO
OP-PANEL
KSTART,KLATCH KSCLK,KTXD KRXD
TO CIS
F1,FTG
VIDEO
TO THRMAL HEAD TO MOTOR TO MOTOR
RM[3:0],RXE
TO POWER SUPPLY
+24V,+5V,PG,DG
OP-RESET
TM +24V
+24V
XRESETI
XORESET
XRESET
XBACKEN
RESET-IC
+3.3V/BATT
+2.5V/BATT
BATT
+ -
24MHz
32.768KHz
TX RX
TO ANALOG P.C.B
A[12:0]
RBA[5:0]
A[4:0]
+5V
XRAS
XCAS
A[9:0]
D[7:0]
XRD XWR XRAS XCAS
IC503
DRAM
A[7:4]
RBA[5:0]
PTOP FILM DETECTION COVER OPEN SENSOR LED ON
PS501
Sensor P.C.B
+3.3V
CN504 CN503
CN505
CN515 CN516
CN506
CN517
SW501 SW502
TX[3:0],TXE
IC508 IC510
MOTOR DRV
MOTOR DRIVE
CISLEDON
IC520
IC520
GATE
ARRAY
DIR G
XCAS2
AB
32.256MHz
+3.3V
VDET
Q505
+3.3V+2.5V
Q506
+2.5V/BATT
+3.3V/BATT
XHSTRD
XHSTWR
NEW THDAT,
NEW THLAT,
NEW STB1,NEW STB2
NEW THCLK,
KX-FP342CX : DIGITAL BOARD BLOCK DIAGRAM