Read Panasonic UF-885 / UF-895 Other Service Manuals online
13
1.3
Power On Initial Flow Chart
1.3.1
Fax
<Check Output : If Signal is not correct, each IC
might be defective >
API
IC60API(32) : Low / High
CPU(CS0)
IC10CPU(50) -> IC20MSC (23:CS04)
-> (2) IC60API
-> (2) IC60API
CPU (RD)
IC10CPU(43) -> IC20MSC(10:IORD)
-> (7) IC60API
-> (7) IC60API
CPU(A1-3)
IC10CPU(8,9,10) -> IC20MSC (14,
16,17:IOA1-3) -> IC60API(9,10,11)
16,17:IOA1-3) -> IC60API(9,10,11)
CPU(D0-16)
IC10CPU(D0-16) -> IC60API (12 -20)
CPU(IRQST3V)
IC10CPU(45) (3V)
Power
CNP13(9)5V -> (1)IC200(3)3.3V -> CPU
Master
Clock
Clock
7.16Hz -> (94)IC10CPU(107)14.32MHz
CK14MLV
XTAL
-> (175)IC20MSC
Reset
ResetIC21(2) -> -> (173)IC20MSC(217)
->
->(108)IC10CPU
<Check Output : If Signal is not correct, each IC
might be defective >
MSC(CS08)
IC20MSC(26) -> (151)IC110PEC
MSC(CS07)
IC20MSC(25) -> (27)IC140IPC
<Check Output : If Signal is not correct, each IC
might be defective >
CPU(PNLTXD)
IC10CPU(
131) -> IC6 -> CNP11.8
CPU(PNLRXD)
IC10CPU(130) <- IC20MSC(219) <- CNP11.7
CPU(PNLCK)
IC10CPU(
CPU(PNLRST)
PNLCKEN
PNLCL
PNLRXD
PNLTXD
Power ON
Is Update Memory Card
Installed IC60API(32) is Low ?
Initial Flow
CPU I/O Port Set
Y
Y
N
N
Panel Initial
UF-885 (
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
0V
3.5V
<Check Output : If Signal is not correct, each IC
might be defective >
0V
3.5V
5V
0V
5V
0V
3.3V
3V
0V
TX
RX
3.3V
0V
IC60API(47)0V -> CNP11.9
IC10CPU(66) IRQPNL3V
132) <-> IC 4(1) <-> CNP11.6
51) PNLCKEN
51) PNLCKEN
IC10CPU(
Click on the first or last page to see other UF-885 / UF-895 service manuals if exist.