DOWNLOAD Panasonic UF-8300 / UF-8200 / UF-7300 / UF-7200 (serv.man4) Service Manual ↓ Size: 10.56 MB | Pages: 127 in PDF or view online for FREE

Model
UF-8300 UF-8200 UF-7300 UF-7200 (serv.man4)
Pages
127
Size
10.56 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / FACSIMILE
File
uf-8300-uf-8200-uf-7300-uf-7200-sm4.pdf
Date
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Panasonic UF-8300 / UF-8200 / UF-7300 / UF-7200 (serv.man4) Service Manual ▷ View online

97
UF-7300/7200
UF-8300/8200
CN102
3.7.15. 2nd Feeder PC Board
CN600
CN601
LVPS 
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN102-1
ACL
Fuser Unit
AC Power Supply (Live)
CN102-3
ACN
Fuser Unit
AC Power Supply 
(Neutral)
2nd Feeder 
PCB 
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN600-1
B
2nd Feeder 
Motor-1
2nd Feeder Motor 
Control Signal
CN600-2
AA
2nd Feeder 
Motor-2
2nd Feeder Motor 
Control Signal
CN600-3
+24VA
2nd Feeder 
Motor-3
+24 VDC Power Supply
CN600-4
+24VA
2nd Feeder 
Motor-4
+24 VDC Power Supply
CN600-5
BB
2nd Feeder 
Motor-5
2nd Feeder Motor 
Control Signal
CN600-6
A
2nd Feeder 
Motor-6
2nd Feeder Motor 
Control Signal
2nd Feeder 
PCB 
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN601-1
PUSOL_CTL1 Pick Up 
Solenoid-1
Pick Up Solenoid Control
AC120V
(AC200-240V)
AC120V
(AC200-240V)
+24V
0V
+24V
0V
+24V
0V
Sleep &
Shutdown
+24V
0V
Sleep &
Shutdown
+24V
0V
+24V
0V
+24V
0V
Pick Up
Solenoid
ON
98
UF-7300/7200
UF-8300/8200
CN602
Refer to SPC PC Board CN724.
CN603
CN601-2
+24V
Pick Up 
Solenoid-2
+24 VDC Power Supply
2nd Feeder 
PCB 
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN603-1
LDJAMDOOR
-OP
JAM Cover 
Sensor (2nd)-3
+1.2V
CN603-2
GND
JAM Cover 
Sensor (2nd)-2
Ground
CN603-3
nJAMDOR-
OP
JAM Cover 
Sensor (2nd)-1
JAM Cover Sensor 
detect Signal
CN603-4
LDPNON-OP No Paper Sensor 
(2nd)-3
+1.2V
CN603-5
GND
No Paper Sensor 
(2nd)-2
Ground
CN603-6
nPNON-OP
No Paper Sensor 
(2nd)-1
No Paper Sensor detect 
Signal
CN603-7
LDCCHK-OP Paper Tray detect  
Sensor (2nd)-3
+1.2V
CN603-8
GND
Paper Tray detect  
Sensor (2nd)-2
Ground
CN603-9
nCCHK-OP
Paper Tray detect  
Sensor (2nd)-1
Paper Tray detect Signal
2nd Feeder 
PCB 
Pin No.
Signal Name
Destination
Signal Waveform
Function
+24V
0V
Sleep &
Shutdown
+1.2V
0V
+5V (H)
0V (L)
+1.2V
0V
+5V (H)
0V (L)
+1.2V
0V
+5V (H)
0V (L)
99
UF-7300/7200
UF-8300/8200
4 Troubleshooting
4.1.
Initial Troubleshooting Flowchart
START
Plug the Power Cord, and 
turn the Power Switch ON.
Does the LCD display 
function correctly?
Does the original document 
feed through correctly?
Does the recording paper
exit the unit?
Troubleshoot printed 
copy quality problems 
(Sect. 4.3).
Troubleshoot  the 
Document Feeder
(Sect. 4.4).
Check for recording 
paper path problems.
Troubleshoot Improper 
LCD Display (Sect. 4.2).
Troubleshoot any 3-digit
INFO. CODE displayed.
Does  the unit produce 
normal copies?
Troubleshoot communication 
problems (transmission, 
reception, dialing, network 
connection, polling, 
information codes, or 
diagnostic codes).
Does the unit power up 
normally?
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
100
UF-7300/7200
UF-8300/8200
4.2.
Improper LCD Display
• LCD Contrast Adjustment
1. Press the “FUNCTION”, “7” keys.
2. Select “8: MAINTENANCE?”, and press the “Set“ key to enter the Maintenance mode.
3. Select “6: LCD BRIGHTNESS?”, and press the “Set“ key.
4. Press the “  (Lighter)” key or “  (Darker)” key.
5. Press the “Set” key or the “Stop” key.
Replace the SC PCB.
Is the trouble 
resolved?
Replace the Low
Voltage Power
Supply Unit.
Is the trouble resolved?
Check connectors on the SC PCB, 
and PNL PCB.
Is LED/LCD displayed?
Does the display appear normal?
Replace the LCD 
Module.
Replace the 
Panel.
Does CNP501, pin 11 on the 
SC PCB measure +5 VDC?
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
START
END
END
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