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12
1.4
Power On Initial Flow Chart
1.4.1
Fax
<Check Output : If Signal is not correct, each IC
might be defective >
CPU (CS1)
IC1 CPU(50) -> PEGASUS (7:FROM0)
-> (2) IC21 FROM
-> (2) IC21 FROM
CPU (RD)
IC1 CPU(43) -> (54) IC21 FROM
CPU (A1-20)
Power
CPU JW5-9V
Master
Clock
Clock
7.16Hz -> (94) IC1 CPU(107) 28.64MHz
-> (16) IC2 PEGASUS
-> (16) IC2 PEGASUS
Reset
Reset IC11(2) -> -> (14) IC2
PEGASUS(10)
PEGASUS(10)
->
-> (108) IC1 CPU
<Check Output : If Signal is not correct, each IC
might be defective >
CPU (nPRST)
IC1 CPU(1)
CPU (NFRRST) IC1 CPU(3)
<Check Output : If Signal is not correct, each IC
might be defective >
CPU(PNLTXD)
CPU(PNLRXD)
CPU(PNLCK)
CPU(PNLRXD)
CPU(PNLCK)
IC1 CPU(
131) -> CNP4.7
IC1 CPU(132) <-> CNP4.8
Power ON
Is Update Memory Card
Installed <IC1 CPU(126)> and
BPNT CPU(120) is Low ?
BPNT CPU(120) is Low ?
Initial Flow
UF-585
CPU I/O Port Set
Y
Y
N
N
Panel Initial
UF-585 (
xx
)
Hardware Reset
Update Program
I/O Device Reset
I/O Device Port Set
1
Below is displayed on LCD
0
Is program date
Same?
Scanning LED Lit &
Scanning LED Flashed
Scanning LED Flashed
Boot Program in CPU Start
DRAM Working Area Clear
System Program (FROM) Start
System Program (FROM) Start
might be defective >
5V
0V
0V
5V
0V
0V
5V
0V
0V
0V
4V
0V
2V
5V
0V
0V
5V
0V
0V
5V
0V
0V
<Check Output : If Signal is not correct, each IC
IC1 CPU(8-41) -> IC21 FROM (4-28)
CPU(D0-15)
IC1 CPU(73-92) -> IC21 FROM (33-52)
IC1 CPU(130) <- CNP4.6
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