Read Sharp AR-F12 (serv.man5) Service Manual online
4-14
CHAPTER 4 PUNCHER UNIT (OPTION) BASIC OPERATION
III. POWER SUPPLY SYSTEM
1.
Outline
24V power and 5V power are supplied from the finisher controller PCB when the power switch
on the host machine is turned ON.
24V power is used for driving motors, while 5V power is used for driving sensors and the ICs on
the punch driver PCB.
24V power to the motors is not supplied when either of the two door switches on the puncher
unit is open.
J23-4
J23-2
J4-4
J4-2
Front door
switch
(MS2P)
24V
5V
Finisher
controller
PCB
controller
PCB
24V
5V
5V
Punch driver PCB
Motor system
Sensors
Logic
Figure 4-301
2.
Protection Function
The 24V power supplies for the punch motor (M1P) and horizontal registration motor (M2P) are
equipped with a fuse designed to blow when an overcurrent flows.
Click on the first or last page to see other AR-F12 (serv.man5) service manuals if exist.