DOWNLOAD Panasonic FP-7742 / FP-7750 Service Manual ↓ Size: 311.58 KB | Pages: 123 in PDF or view online for FREE

Model
FP-7742 FP-7750
Pages
123
Size
311.58 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / PLAIN PAPER COPIER
File
fp-7742-fp-7750.pdf
Date
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Panasonic FP-7742 / FP-7750 Service Manual ▷ View online

3-1
PCB Connector and
Signal Information
III. PCB Connector and
Signal Information
3.1 Main CPU PCB
(CN1)
Pin
Signal
Destination
Status
Function
No.
Name
6 EPACNT LVPS PCB
VL control signal
CN117-5
7 PGND
LVPS PCB
0V
Power ground
CN117-4
8 PGND
LVPS PCB
0V
Power ground
CN117-3
9 VP
LVPS PCB
DC+24V power supply
CN117-2
10 VP
LVPS PCB
DC+24V power supply
CN117-1
0V
OFF
ON
0V
24V
0V
24V
(CN1)
Pin
Signal
Destination
Status
Function
No.
Name
1 ZCRS
LVPS PCB
Zero cross signal
CN117-10
2 VLC
LVPS PCB
DC+5V power supply
CN117-9
3 GND
LVPS PCB
0V
Ground
CN117-8
4 GND
LVPS PCB
0V
Ground
CN117-7
5 VL
LVPS PCB
DC+5V power supply
CN117-6
Pulse
0V
5V
0V
5V
3-2
0V
24V
(CN2)
Pin
Signal
Destination
Status
Function
No.
Name
1 PGND
ADU driver PCB
0V
Power ground
CN651-2
2 VP
ADU driver PCB
DC+24V power supply
CN651-1
3 PGND
ADU driver PCB
0V
Power ground
CN651-4
4 VP
ADU driver PCB
DC+24V power supply
CN651-3
5 F32OUT
ADU driver PCB
32 bit data output
CN651-5
signal
6 QLTH
ADU driver PCB
Date transfer latch
CN651-9
signal
7 F32CLK
ADU driver PCB
Data transfer/receive
CN651-11
clock signal
8 QLD
ADU driver PCB
Data receive shift/load
CN651-13
control signal
9 DXIN
ADU driver PCB
32 bit data receive
CN651-15
input signal
10 DXMCA
ADU driver PCB
ADU drive motor
CN651-10
drive  signal A
Pulse
Pulse
Pulse
0V
24V
(CN2)
Pin
Signal
Destination
Status
Function
No.
Name
11 DXMCAB ADU driver PCB
ADU drive motor
CN651-12
drive  signal A
12 DXMCB
ADU driver PCB
ADU drive motor
CN651-14
drive  signal B
13 DXMCBB ADU driver PCB
ADU drive motor
CN651-16
drive  signal B
14 PSLSN
ADU driver PCB
Length paper guide
CN651-6
sensor signal
15 PSWSN
ADU driver PCB
Width paper guide
CN651-8
sensor signal
16 DXENB
ADU driver PCB
Data transfer output
CN651-7
enable signal
17 VL
ADU driver PCB
DC+5V power supply
CN651-17
18 GND
ADU driver PCB
0V
Ground
CN651-18
19 VL
ADU tray sensor
DC+5V power supply
CN-1
20 DXOPSN ADU tray sensor
ADU tray detecting
CN-2
signal
0V
5V
Close
5V
Open 
0V
5V
0V
ON
5V
ON
5V
0V
Pulse
Pulse
Pulse
ON
5V
0V
Pulse
5V
0V
Pulse
32
0V
Load
5V
Shift
3-3
PCB Connector and
Signal Information
(CN2)
Pin
Signal
Destination
Status
Function
No.
Name
21 GND
ADU tray sensor
0V
DC+5
CN-3
power supply
22 ADSUL
ADU driver PCB
ADU detecting signal
CN2-24
23 OUT2
ADU driver PCB
Output spare
24 GND
ADU driver PCB
0V
Ground
CN2-22
(CN3)
Pin
Signal
Destination
Status
Function
No.
Name
1 F32OUT
System console
32 bit data transfer
driver CN601-5
output signal
or LCC driver
PCB CN562-5
2 FENB
System console
32 bit data output
driver CN601-6
enable signal
or LCC driver
PCB CN562-6
3 OQLTH
System console
32 bit data transfer
driver CN601-7
latch signal
or LCC driver
PCB CN562-7
4 F32CLK
System console
32 bit data transfer/
driver CN601-8
receive clock signal
or LCC driver
PCB CN562-8
5 OQLD
System console
32 bit data receive
driver CN601-9
shift/load control
or LCC driver
signal
PCB CN562-9
(for system console)
6 LCCLD
LCC driver
32 bit data receive
CN562-10
shift/load control
signal
(for LCC)
7 OQIN
System console
32 bit data receive
driver CN601-11
input signal
or LCC driver
PCB CN562-11
Pulse
Pulse
Pulse
32
5V
Detect
0V
ON
5V
Load
Shift
Load
Shift
3-4
(CN3)
Pin
Signal
Destination
Status
Function
No.
Name
8 QMCLK
System console
Drive motor clock signal
driver CN601-12
(System console or LCC)
or LCC driver
PCB CN562-12
9 VL
System console
DC+5V power supply
driver CN601-13
or LCC driver
PCB CN562-13
10 GND
System console
0V
Ground
driver CN601-14
or LCC driver
PCB CN562-14
11 IN6
Spare output
12 OUT1
spare input
Pulse
5V
0V
0V
5V
(CN4)
Pin
Signal
Destination
Status
Function
No.
Name
1 PGND
Copier paper
0V
Power ground
feed driver
 CN601-3,4
2 VP
Copier paper
DC+24V power supply
feed driver
CN601-1,2
3 F32OUT
Copier paper
32 bit data transfer
feed driver
output signal
CN601-5
4 QLTH
Copier paper
32 bit data transfer
feed driver
latch signal
CN601-7
5 F32CLK
Copier paper
32 bit data transfer/
feed driver
receive clock signal
CN601-8
6 QLD
Copier paper
32 bit data receive
feed driver
shift/load control
CN601-9
signal
7 QIN
Copier paper
32 bit data receive
feed driver
input signal
CN601-11
8 FENB
Copier paper
32 bit data transfer
feed driver
enable signal
CN601-6
9 VL
Copier paper
DC+5V power supply
feed driver
CN601-12
10 GND
Copier paper
0V
Ground
feed driver
CN601-13
0V
24V
Pulse
Pulse
Pulse
0V
ON
5V
0V
5V
Pulse
32
0V
Load
5V
Shift
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