DOWNLOAD Panasonic UF-595 / UF-585 Service Manual ↓ Size: 8.65 MB | Pages: 127 in PDF or view online for FREE

Model
UF-595 UF-585
Pages
127
Size
8.65 MB
Type
PDF
Document
Service Manual / Other
Brand
Device
Fax / LASER
File
uf-595-uf-585.pdf
Date
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25
Check LPC PCB
Printer Error
<Check Point:
PEGASUS Output>
SCA/B2 C-3
IC2 Pin 35
(nCMD)
IC2 Pin 36
(nCBSY)
IC2 Pin 37
(nSCLK)
Error #055 or
Error #059 ?
<Check Point:
PEGASUS Input >
SCA/B 2 B-3
IC2 Pin 25 
(SBSY)
IC2 Pin 24
(STA)
Replace IC 2
Does IC2 Pin38
provide 0V ?
<Check Point:
PEGASUS Input>
SCA/B 2  B-3
IC2 Pin 27 (PRDY)
IC2 Pin 41 (VSYNC)
IC2 Pin 42 (HSYNC)
Replace IC2
Check Printer Reset
<Check Point: LBP Reset>
SCA 1 C-4 IC1 Pin 1(nPRST)
Replace IC1(CPU)
nPRST = Keep Low
Does IC2 Pin27(Low),41,42
receive correct data ?
Check LPC PCB
Check CNP2 & CNP15
Y
N
Y
Y
N
N
Y
N
Y
N
Y
N
Are all lines not broken
(open) ?
Replace CNP2 & CNP15
<Check Point: Connector>
Wires of CNP2 & CNP15 
are delicate. 
SCA 4 A2 / SCB2 D-4
Error #021?
<Check Point:
PEGASUS Output>
SCA/B 2  C-4
IC2 Pin 38 (PRNT)
   Does IC2 Pin 35,36,37
provide any clock or data ?
Does IC2 (PEGASUS)
  Pin 24,25 receive 
         any data ?
Check Connection
CNP2 pin13 to 
CNP6 pin10
Photo: 36
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
26
Communication Problem UF-585
<Check Point: Output to LCE>
SCB 5 A-2
Check IC 7(FRIP)
Pin36 pCMLD
Check IC 8 (Modem)
LINE OUT
Y
N
Y
N
Y
N
Y
Y
N
N
Y
N
Y
N
Y
N
Pin 69:Line out any signal ?
Any Signal ?
Replace IC 8
Replace IC15
Service Mode 1 #4
Modem Test
Tonal Signal Test 1650Hz
<Check Point: TX Amp. Output>
SCB 5 C-2
Replace IC 15
Any Signal ?
Check pattern
between IC15 Pin1 to CNJ8.10
Check IC12(Analog SW)
Pin 14 Any Signal ?
<Check Point: Input Route>
SCB 5 B-2
Replace
IC 12
Any Signal of
IC12 Pin 14?
Check IC15(RX.Amp.)
Pin 7 Any Signal ?
Check  IC 8 Pin 60: LINE IN
Any Signal ?
<Check Point: Modem Input >
SCB 5 C-2
Check any component between
IC15 Pin 7 and IC8 Pin 60
Does communication
problem solved ?
Replace IC 8(MODEM)
END
Check IC 8(Modem)
Pin 116 is 32MHz ?
Replace X3
Photo: 27
Photo: 28
Photo: 29
Photo: 30
<Check Point: Modem Clock>
SCB 5 C-4
<Check Point: Modem Output>
SCB 5 C-2
<Check Point: Input Route>
SCB 5 C-1
Photo: 31
Check CNJ 8.10
Check IC15 Pin 1
2.5V
0V
0V
1V
-1V
Photo: 28
0V
1V
-1V
0V
1V
-1V
0V
0.5V
-0.5V
5V
0V
27
Check IC 17(FRIP)
Pin124 pCMLD
Communication Problem UF-595
Check IC 10(Modem CPU)
Pin 32:SDTIM any signal ?
Check IC11(Analog Modem)
Pin 9 Any Signal ?
Replace OSC1 or
Y
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Y
IC 10(Modem CPU)
Replace
IC15(RX. Amp.)
Service Mode 1 #4 (Modem Test)
Tonal Signal Test    1650Hz
<Check Point:
Analog Modem Output>
SCA 6 A-2
Replace IC 11(Analog Modem)
Check IC15(Low Pass Filter)
Pin 1 Any Signal ?
Check IC12(Analog AW)
Pin 15 Any Signal ?
<Check Point:
Analog SW Output>
SCA 6 B-2
Replace
IC 12
Any Signal of
IC12 Pin 15 ?
Check IC15(RX. Amp.)
Pin 2 Any Signal ?
Check IC11(Analog Modem)
Pin 11 Any Signal ?
<Check Point:
RX Amp. Output>
SCA 6 B-2
Check any component between
IC15(RX.Amp.)Pin 7 and
IC11(Analog Modem) Pin 11
Replace IC11(Analog Modem)
Replace IC 15(Low Pass Filter)
Check IC16(TX. Amp.)
Pin 1 & 7 Any Signal ?
Replace IC 16(Tx. Amp.)
<Check Point : 
Filter Output>
SCA 6 B-1
<Check Point:
 TX Amp. Output>
SCA 6 C-1
<Check Point:
Analog Modem Input>
SCA 6 A-2
<Check Point: 
Modem Output>
SCA 5 D-2
28
Replace IC1(LBP CPU)
LBP Printer Error( LPC PCB)
Does IC1 Pin 36 : nHSYNCA
provide correct signal ?
Does CNP68 pin3(5V),
pin6(nVideo:L), pin5(nLDON:L
provide correct signal ?
Replace IC1(LBP CPU)
                 
Does IC1(LBP CPU)
Pin 1 provide any data ?
Error Code #055 or #059
occur ?
END
Make short of SW 1 (LBP Test)
<Check Point>
LPC1 : FAP6002(1/4)
B-2 (IC1 Pin 1)
<Check Point>
LPC1 : FAP6002(1/4)
B-2 (IC1 Pin 36 : nHSYNCA)
Check LSU
<Check Point>
LPC1 : FAP6002(1/4)
D-4 (CNP 68.2)
Make a copy test
Replace IC1 (LPC)
5V
0V
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