Read Panasonic FP-7742 / FP-7750 Service Manual online
3-1
PCB Connector and
Signal Information
III. PCB Connector and
Signal Information
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
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