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IC501
CN504
ASIC
OP-RESET
KSTART,KLATCH
TO
KSCLK,KTXD
OP-PANEL
KRXD
CN503
CISLEDON
F1,FTG
TO
CIS
VIDEO
NEW THDAT,
NEW THCLK,
CN505
NEW THLAT,
NEW STB1,NEW STB2
TO
THRMAL
TM
HEAD
+24V
+24V
IC508
CN515
MOTOR DRV
TO
RM[3:0],RXE
MOTOR
IC510
CN516
TO
TX[3:0],TXE
MOTOR
MOTOR DRIVE
PS501
SENSOR
LED ON
PTOP
Sensor P.C.B
SW501
FILM DETECTION
SW502
COVER OPEN
24MHz
32.768KHz
ADR[15:13]
RBA[5:0]
ADR[12:0]
DB[7:0]
XRD
XWR
IC523
FLASH
A[17:0]
D[7:0]
XRD
XROMCS
XCS
XOPRBE
XRAS
XCAS
XCAS2
XMDMCS
XHSTRD
XHSTWR
+3.3V/BATT
+2.5V/BATT
RESET-IC
+3.3V
XWDERR
XRESETI
OUT
IN
XORESET
VDET
XRESET
GND
XBACKEN
D[7:0]
DRB[7:0]
IC503
IC520
DRAM
GATE
ARRAY
DIR
A[9:0]
D[7:0]
B
G
XRD
XWR
XRAS
+3.3V
XCAS
CN506
TO
+24V,+5V,PG,DG
POWER
SUPPLY
+2.5V/BATT
Q505
Q506
+5V
+2.5V
+3.3V
KX-FHD333BR : DIGITAL BOARD BLOCK DIAGRAM
IC520
GATE
ARRAY
IC505
MODEM
A[4:0]
A
D[7:0]
XRD
XWR
XCS
TX
RX
32.256MHz
CN517
TO
ANALOG
P.C.B
+3.3V/BATT
+
BATT
-
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Table of Contents
Troubleshooting
