Panasonic UF-8300 / UF-8200 / UF-7300 / UF-7200 (serv.man4) Service Manual ▷ View online
93
UF-7300/7200
UF-8300/8200
CN235
CN234-6
nSCN[10]
PNL2 PCB
CN251-6
CN251-6
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-7
nSCN[11]
PNL2 PCB
CN251-7
CN251-7
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-8
nLED7
PNL2 PCB
CN251-8
CN251-8
PNL LED Control Signal
CN234-9
nLED6
PNL2 PCB
CN251-9
CN251-9
PNL LED Control Signal
CN234-10
nLED3
PNL2 PCB
CN251-10
CN251-10
PNL LED Control Signal
CN234-11
nLED1
PNL2 PCB
CN251-11
CN251-11
PNL LED Control Signal
CN234-12
nLED4
PNL2 PCB
CN251-12
CN251-12
PNL LED Control Signal
CN234-13
nLEDSLP
PNL2 PCB
CN251-13
CN251-13
Energy Saver Lamp LED
Control Signal
Control Signal
CN234-14
+5VP
PNL2 PCB
CN251-14
CN251-14
+5 VDC Power Supply
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN235-1
+5V
PNL2 PCB
CN252-1
CN252-1
+5 VDC Power Supply
CN235-2
nSCN[3]
PNL2 PCB
CN252-2
CN252-2
PNL Key Signal
(Scan Line)
(Scan Line)
CN235-3
nSCN[4]
PNL2 PCB
CN252-3
CN252-3
PNL Key Signal
(Scan Line)
(Scan Line)
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
+5V
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
94
UF-7300/7200
UF-8300/8200
CN235-4
nSCN[5]
PNL2 PCB
CN252-4
CN252-4
PNL Key Signal
(Scan Line)
(Scan Line)
CN235-5
nSCN[6]
PNL2 PCB
CN252-5
CN252-5
PNL Key Signal
(Scan Line)
(Scan Line)
CN235-6
KIN7
PNL2 PCB
CN252-6
CN252-6
PNL Key Signal
(Key Line)
(Key Line)
CN235-7
KIN6
PNL2 PCB
CN252-7
CN252-7
PNL Key Signal (Key
Line)
Line)
CN235-8
KIN5
PNL2 PCB
CN252-8
CN252-8
PNL Key Signal (Key
Line)
Line)
CN235-9
KIN4
PNL2 PCB
CN252-9
CN252-9
PNL Key Signal (Key
Line)
Line)
CN235-10
KIN3
PNL2 PCB
CN252-10
CN252-10
PNL Key Signal (Key
Line)
Line)
CN235-11
KIN2
PNL2 PCB
CN252-11
CN252-11
PNL Key Signal (Key
Line)
Line)
CN235-12
KIN1
PNL2 PCB
CN252-12
CN252-12
PNL Key Signal (Key
Line)
Line)
CN235-13
KIN0
PNL2 PCB
CN252-13
CN252-13
PNL Key Signal (Key
Line)
Line)
CN235-14
nLED5
PNL2 PCB
CN252-14
CN252-14
PNL LED Control Signal
CN235-15
nLED8
PNL2 PCB
CN252-15
CN252-15
PNL LED Control Signal
CN235-16
nLED9
PNL2 PCB
CN252-16
CN252-16
PNL LED Control Signal
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
95
UF-7300/7200
UF-8300/8200
CN236
CN238
CN235-17
nSLPKY
PNL2 PCB
CN252-17
CN252-17
Energy Saver Key Signal
CN235-18
nSNDKY
PNL2 PCB
CN252-18
CN252-18
PNL Key Signal
CN235-19
GND
PNL2 PCB
CN252-19
CN252-19
Ground
CN235-20
FG
PNL2 PCB
CN252-20
CN252-20
Ground
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN236-1
nLEDDAT
PNL3 PCB
CN254-1
CN254-1
DATA Lamp LED Control
Signal
Signal
CN236-2
nLEDALM
PNL3 PCB
CN254-2
CN254-2
ALARM Lamp LED
Control Signal
Control Signal
CN236-3
nLEDACT
PNL3 PCB
CN254-3
CN254-3
ACTIVE Lamp LED
Control Signal
Control Signal
CN236-4
+ACT
PNL3 PCB
CN254-4
CN254-4
ACTIVE Lamp LED
Power Supply
Power Supply
CN236-5
+ALM
PNL3 PCB
CN254-5
CN254-5
ALARM Lamp LED
Power Supply
Power Supply
CN236-6
+DAT
PNL3 PCB
CN254-6
CN254-6
DATA Lamp LED Power
Supply
Supply
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN238-1
nLEDDBK
PNL4 PCB
CN253-1
CN253-1
PNL LCD Back Light
Control Signal
Control Signal
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+3.3V
0V
Key
Pressed
+3.3V
0V
Key
Pressed
0V
0V
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+5V
0V
LED
ON
ON
+24V
+24V
+24V
+5V
0V
LED
ON
ON
96
UF-7300/7200
UF-8300/8200
3.7.5.
PNL2 PC Board
CN251
Refer to PNL1 PC Board CN234.
CN252
Refer to PNL1 PC Board CN235.
3.7.6.
PNL3 PC Board
CN254
Refer to PNL1 PC Board CN236.
3.7.7.
PNL4 PC Board (UF-8300/8200)
CN253
Refer to PNL1 PC Board CN238.
3.7.8.
G3B PC Board
CN363
Refer to SC PC Board CN510.
3.7.9.
Registration/Paper Detect Sensor PC Board
CN805
Refer to SPC PC Board CN734.
3.7.10. Paper Exit Sensor PC Board
CN803
Refer to SPC PC Board CN734.
3.7.11. No Paper Sensor PC Board
Refer to SPC PC Board CN736.
3.7.12. Low Toner Sensor PC Board
CN803
Refer to SPC PC Board CN729.
3.7.13. HVPS
CN501
Refer to SPC PC Board CN728.
3.7.14. LVPS
CN103
Refer to SPC PC Board CN712.
CN238-2
VCC
PNL4 PCB
CN253-2
CN253-2
+5VDC Power Supply
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+5V
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