DOWNLOAD Panasonic UF-590 / UF-790 / DX-600 / DX-800 Service Manual ↓ Size: 11.45 MB | Pages: 127 in PDF or view online for FREE

Model
UF-590 UF-790 DX-600 DX-800
Pages
127
Size
11.45 MB
Type
PDF
Document
Service Manual / Other
Brand
Device
Fax
File
uf-590-uf-790-dx-600-dx-800.pdf
Date
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Panasonic UF-590 / UF-790 / DX-600 / DX-800 Service Manual / Other ▷ View online

33
1.2.
Power On Initial Flow Chart
< Check Output : If Signal is not correct, each IC
                          might be defective >
Initial Flow
Power ON
Hardware Reset
Boot Program in CPU Start
0
Is Cover Open CPU(73) and
BPNT CPU(44) is Low ?
Wait Data from PC
via Parallel I/F
Update Program
Scanning LED Lit &
Scanning LED Flashed
CPU I/O Port Set
I/O Device Reset
I/O Device Port Set
System Program(FROM) Start
SDRAM Working Area Clear
PANEL Initial
1
UF-790 (xx)
UF-590 (xx)
Below is displayed on LCD
< Check Output : If Signal is not correct, each IC
                          might be defective >
Power
Matser
Clock
Reset
CNP6.6 3.3V -> IC1 CPU,IC3 SHINE
CNP6.7 5V -> (3)IC6(4)2.5V -> IC3 SHINE
5MHz -> (63)CPU(90) 50MHz
-> (103)IC3 SHINE
Reset IC2(4) ->       -> (32)IC3 SHINE(39)
->       -> (59)IC1 CPU
XTAL
3V
0V
3.3V
0V
CPU (CS0)
IC1 CPU(107) ->        -> (26)IC9 FROM
CPU (RD)
IC1 CPU(95)   ->        -> (28)IC9 FROM
CPU (A1-21)
IC1 CPU(142-118) ->        -> 
(1-10, 16-25, 48)IC9 FROM
CPU (D0-D15)
IC1 CPU(114,17-1) ->        -> 
(29-36, 38-45)IC9 FROM
nMDMRST
IC1 CPU(84) ->        -> (41)IC22 Modem
nFRPRST
IC1 CPU(83)   ->        -> (60)IC30 FRIP
CPU(PNLTXD)
IC1 CPU(67) ->        -> CNP14.5
CPU(PNLRXD)
IC1 CPU(66) ->        -> CNP14.6
CPU(PNLRST)
IC1 CPU(85) ->        -> CNP14.9
5V
0V
< Check Output : If Signal is not correct, each IC
                          might be defective >
< Check Output : If Signal is not correct, each IC
                          might be defective >
...
3.3V
0V
...
N
Y
UF-590/790
Only
UF-590/790
Only
or
DX-800 (xx)
DX-600 (xx)
or
34
Initial Flow 2
Back up Data Recover
Task Initialize
1
Back up Data
PARITY ERROR ?
Shipment set
System data save to FROM
Confirmation of timer, POWER OFF/ON,...
JOB Recover, if need
DISPLAY ERROR
0
SCANNER Initial
PRINTER Initial
# CAUTION #
Do white shading when Parity Error occurs.
(Service Mode 5-6)
SCANNER Error ?
PRINTER Error ?
N
Y
Y
DISPLAY DATE & TIME
N
23-OCT 19:14 00%
ADF OPEN     061
DOCUMENT JAM 031
CHECK PRINTER 054
(Ex.) Parameter of FROM. etc...
Task initialize for Software.
Back up data in FROM IC5 ->
Parameter, Journal,...
35
Initial Flow 3
Send Inital COMMAND
to PANEL CPU
RCV Normal
ACK from PNL ?
PANEL Initial
Tried 10 times ?
N
Tried 10X3 times ?
Y
0
Hard Reset
(PNL CPU)
N
N
Y
END
Y
36
Initial Flow 4
Door Open ?
SCANNER Initial
H
Y
N
N
Y
END
EJECT Start
B Point OFF ?
A Point OFF ?
Jam Length
Over ?
Error(Jam) Set
Info. Code 031
Scanner Block
Initialize
Error(ADF Open) Set
Info. Code 061
L
N
Y
+24LVL
CNP57.3 24V ->         -> (1)Q19
-> 5V ->          -> (77)IC1 CPU
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