2.2.
Digital
Block
Diagram
Change
from
origina
l
page
63
(2.3.3.4
.1.
Digital
Block
Diagra
m
)
IC501
ASIC
ADR[15:13]
RBA[6:0]
ADR[12:0]
DB[7:0]
XRD
XWR
XROMCS
XRAMCS
XMDMCS
IC502
ROM
IC504
SRAM
IC505
MODEM
A[17:0]
D[7:0]
XRD
XCS
A[16:0]
D[7:0]
XRD
XWR
XCS
A[4:0]
D[7:0]
XRD
XWR
XCS
XWDERR
IN
OUT
GND
+5V
+3.3V
TO
OP-PANEL
KSTART,KLATCH
KSCLK,KTXD
KRXD,JOG1,JOG2
TO
CIS
F1,FTG
CISLEDON
VIDEO
TO
THRMAL
HEAD
THDAT,THCLK,THLAT
STB1,STB2,STB3
TM
+24V
TO
MOTOR
TM[3:0],TXE
TO
POWER
SUPPLY
+24V,+5V,PG,DG
OP-RESET
+24V
PDET
XRESETI
XORESET
XRESET
XBACKEN
RESET-
IC
+3V/BATT
+5V/BATT
VCC
BATT
+
-
24MHz
32.768KHz
TX
RX
TO
ANALOG
PCB
SP-AMP
TO
SPEAKER
A[12:0]
RBA[5:0]
A[11:0]
RBA[2:0]
A[4:0]
+5V
XRAS
XCAS
A[9:0]
D[7:0]
XRD
XWR
XRAS
XCAS
IC503
DRAM
A[7:4]
RBA[5:0]
FILMEND
PAPER
TOP
SENSOR
LED ON
PS501
32.256MHz
TO
POSITIO
N
SW
+5V
CN505
CN504
CN508
CN507
CN506
CN509
PS501
CN503
B
A
G
DIR
IC550
CN501,502
MIDATA
MICLK
MILAT
IC551
ANALOG ASIC
You
also
need
to
check
the
signal
lines
listed
here
[List
1]
when
the
unit
fails
to
boot
up
the
system
.
Those
signal
lines
should
remain
normal
.
Other
signal
lines
are
not
directly
related
to
that
failure
even
if
they
have
faults
or
trouble
s
.
12
KX-
FP105
RS
