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CN504

IC501 ASIC IC520 GATE ARRAY
D[7:0] DRB[7:0]

OP-RESET

TO OP-PANEL
DB[7:0] XRD XWR

KSTART,KLATCH KSCLK,KTXD

KRXD

ADR[15:13] RBA[5:0] ADR[12:0]

CN503

CISLEDON

F1,FTG

TO CIS
A[12:0] RBA[5:0] A[7:4] RBA[5:0]

VIDEO

IC520 GATE ARRAY
DIR B G A

A[4:0]

IC523 FLASH

IC503 DRAM

IC505 MODEM
A[4:0] D[7:0]

CN505 D[7:0] D[7:0]

NEW THDAT, NEW THCLK, NEW THLAT, NEW STB1,NEW STB2

A[17:0]

A[9:0]

TO THRMAL HEAD
XRD

TM

+24V

+24V

XROMCS XOPRBE XCS +3.3V

XRD XWR XRAS XCAS

XRD XWR XCS

TX RX
32.256MHz

CN515 XRAS XCAS XCAS2 XMDMCS XHSTRD XHSTWR

IC508 MOTOR DRV

TO MOTOR

RM[3:0],RXE

CN516

IC510

TO MOTOR

TX[3:0],TXE

CN517

MOTOR DRIVE
CN506
+24V,+5V,PG,DG

PS501

SENSOR LED ON

PTOP

Sensor P.C.B SW501

TO POWER SUPPLY

TO ANALOG P.C.B

+3.3V/BATT +2.5V/BATT +3.3V

SW502

FILM DETECTION +3.3V/BATT +2.5V/BATT COVER OPEN

RESET-IC
OUT VDET GND IN

+5V

+2.5V

Q505

+3.3V

Q506
+ BATT -

24MHz

32.768KHz

XWDERR XRESETI XORESET XRESET XBACKEN

KX-FP343CE : DIGITAL BOARD BLOCK DIAGRAM