DOWNLOAD Panasonic UF-580 / UF-590 / UF-780 / UF-790 / UF-5100 / UF-6000 / UF-6100 Service Manual ↓ Size: 6.44 MB | Pages: 127 in PDF or view online for FREE

Model
UF-580 UF-590 UF-780 UF-790 UF-5100 UF-6000 UF-6100
Pages
127
Size
6.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / FACSIMILE
File
uf-580-uf-590-uf-780-uf-790-uf-5100-uf-6000-uf-610.pdf
Date
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Panasonic UF-580 / UF-590 / UF-780 / UF-790 / UF-5100 / UF-6000 / UF-6100 Service Manual ▷ View online

93
3.17. CST2 PC Board (Optional)
CN70
Refer to SC PC Board CN66.
CN71
CN74
3.18. SNS2 PC Board (Optional)
CN82
Refer to CST2 PC Board CN74.
CST2 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN71-1
+24VM
Paper Feed 
Solenoid
+24 VDC Power Supply
CN70-2
nADF2
Paper Feed 
Solenoid
Paper Feed Roller Solenoid
Control Signal
CST2 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN74-1
nCCHK2
SNS2 PCB
(Optional)
CN82-1
No Cassette Detection 
Signal (2nd Cassette)
L: No Cassette
CN74-2
GND
SNS2 PCB
(Optional)
CN82-2
Ground
CN74-3
SNCMN
SNS2 PCB
(Optional)
CN82-3
+2 VDC Power Supply
+24V
+24V (H)
0V (L)
ON
+5V(H)
0V(L)
0V
+2V
94
3.19. SRU PC Board (Optional)
CN90
Refer to MJR PC Board CN23.
CN91
SRU PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN91-1
N.C.
Not Used
CN91-2
MIC (+)
Telephone 
Handset CN
Handset Microphone
CN91-3
RCV (+)
Telephone 
Handset CN
Handset Receiver
CN91-4
RCV (-)
Telephone 
Handset CN
Handset Receiver
CN91-5
MIC (-)
Telephone 
Handset CN
Handset Microphone
CN91-6
TGND
Ground
0V
95
4 Troubleshooting
4.1.
Initial Troubleshooting Flowchart
START
Plug in the Power Cord.
Does the LCD display 
the function correctly?
Does the original document 
feed through correctly?
Does the recording paper
exit the unit?
Troubleshoot printed 
copy quality problems 
(Sect. 4.4).
Troubleshoot  the 
Document Feeder
(Sect. 4.5)
Check for recording 
paper path problems.
Troubleshoot Improper 
LCD Display (Sect. 4.2).
Troubleshoot any 3-digit
INFO. CODE displayed
(Sect. 4.3).
Does  the unit produce 
normal copies?
Troubleshoot communication 
problems (transmission, 
reception, dialing, polling, 
information codes, or 
diagnostic codes.) 
(Sect. 4.6)
Does the unit power up 
normally?
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
96
4.2.
Improper LCD Display
Check connectors: CN14
(SC PCB) and CN50
When pressing any key, 
do you hear the 'Pi-' sound from 
the Speaker?
Does CN14, pin 2 and pin 3 
on the SC PCB 
measure +5VDC?
Replace the SC PCB.
Replace the PNL1 PCB.
Reinstall the firmware.
Yes
Yes
No
No
START
END
(PNL1 PCB).
Page of 127
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