Panasonic UF-8300 / UF-8200 / UF-7300 / UF-7200 (serv.man2) Service Manual / Other ▷ View online
45
UF-7300/7200
UF-8300/8200
CN741
3.4.
PNL1 PC Board
CN230
Refer to SC PC Board CN501.
CN234
SPC PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN741-1
LDCCHK
Paper Tray detect
Sensor-3
Sensor-3
+1.2 VDC Power Supply
CN741-2
GND
Paper Tray detect
Sensor-2
Sensor-2
Ground
CN741-3
nCCHK
Paper Tray detect
Sensor-1
Sensor-1
Paper Tray detect Signal
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN234-1
nSCN[1]
PNL2 PCB
CN251-1
CN251-1
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-2
nSCN[2]
PNL2 PCB
CN251-2
CN251-2
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-3
nSCN[7]
PNL2 PCB
CN251-3
CN251-3
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-4
nSCN[8]
PNL2 PCB
CN251-4
CN251-4
PNL Key Signal
(Scan Line)
(Scan Line)
CN234-5
nSCN[9]
PNL2 PCB
CN251-5
CN251-5
PNL Key Signal
(Scan Line)
(Scan Line)
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)
+1.2V
0V
detection
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
+3.3V
0V
Key
Scan
46
UF-7300/8200
UF-8300/8200
CN235
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)
CN235-4
nSCN[5]
PNL2 PCB
CN252-4
CN252-4
PNL Key Signal
(Scan Line)
(Scan Line)
PNL1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
+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
+3.3V
0V
Key
Scan
47
UF-7300/7200
UF-8300/8200
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
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
48
UF-7300/8200
UF-8300/8200
CN236
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
+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
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